- 02 Sep, 2021 12 commits
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Rafał Miłecki authored
Setting DSA_MAX_PORTS caused DSA to call b53 callbacks (e.g. b53_disable_port() during dsa_register_switch()) for invalid (non-existent) ports. That made b53 modify unrelated registers and is one of reasons for a broken BCM5301x support. This problem exists for years but DSA_MAX_PORTS usage has changed few times. It seems the most accurate to reference commit dropping dsa_switch_alloc() in the Fixes tag. Fixes: 7e99e347 ("net: dsa: remove dsa_switch_alloc helper") Signed-off-by:
Rafał Miłecki <rafal@milecki.pl> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Rafał Miłecki authored
It isn't true that CPU port is always the last one. Switches BCM5301x have 9 ports (port 6 being inactive) and they use port 5 as CPU by default (depending on design some other may be CPU ports too). A more reliable way of determining number of ports is to check for the last set bit in the "enabled_ports" bitfield. This fixes b53 internal state, it will allow providing accurate info to the DSA and is required to fix BCM5301x support. Fixes: 967dd82f ("net: dsa: b53: Add support for Broadcom RoboSwitch") Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Daniele Palmas authored
Add quirk CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE for Telit LN920 0x1061 composition in order to avoid bind error. Signed-off-by:
Daniele Palmas <dnlplm@gmail.com> Signed-off-by:
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Ziyang Xuan authored
If the network devices connected to the system beyond HSO_MAX_NET_DEVICES. add_net_device() in hso_create_net_device() will be failed for the network_table is full. It will lead to business failure which rely on network_table, for example, hso_suspend() and hso_resume(). It will also lead to memory leak because resource release process can not search the hso_device object from network_table in hso_free_interface(). Add failure handler for add_net_device() in hso_create_net_device() to solve the above problems. Fixes: 72dc1c09 ("HSO: add option hso driver") Signed-off-by:
Ziyang Xuan <william.xuanziyang@huawei.com> Signed-off-by:
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Tetsuo Handa authored
Commit 3df98d79 ("lsm,selinux: pass flowi_common instead of flowi to the LSM hooks") introduced flowi{4,6}_to_flowi_common() functions which cause UBSAN warning when building with LLVM 11.0.1 on Ubuntu 21.04. ================================================================================ UBSAN: object-size-mismatch in ./include/net/flow.h:197:33 member access within address ffffc9000109fbd8 with insufficient space for an object of type 'struct flowi' CPU: 2 PID: 7410 Comm: systemd-resolve Not tainted 5.14.0 #51 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 02/27/2020 Call Trace: dump_stack_lvl+0x103/0x171 ubsan_type_mismatch_common+0x1de/0x390 __ubsan_handle_type_mismatch_v1+0x41/0x50 udp_sendmsg+0xda2/0x1300 ? ip_skb_dst_mtu+0x1f0/0x1f0 ? sock_rps_record_flow+0xe/0x200 ? inet_send_prepare+0x2d/0x90 sock_sendmsg+0x49/0x80 ____sys_sendmsg+0x269/0x370 __sys_sendmsg+0x15e/0x1d0 ? syscall_enter_from_user_mode+0xf0/0x1b0 do_syscall_64+0x3d/0xb0 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7081a50497 Code: 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 RSP: 002b:00007ffc153870f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7081a50497 RDX: 0000000000000000 RSI: 00007ffc15387140 RDI: 000000000000000c RBP: 00007ffc15387140 R08: 0000563f29a5e4fc R09: 000000000000cd28 R10: 0000563f29a68a30 R11: 0000000000000246 R12: 000000000000000c R13: 0000000000000001 R14: 0000563f29a68a30 R15: 0000563f29a5e50c ================================================================================ I don't think we need to call flowi{4,6}_to_flowi() from these functions because the first member of "struct flowi4" and "struct flowi6" is struct flowi_common __fl_common; while the first member of "struct flowi" is union { struct flowi_common __fl_common; struct flowi4 ip4; struct flowi6 ip6; struct flowidn dn; } u; which should point to the same address without access to "struct flowi". Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by:
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Ryoga Saito authored
This patch fixes kernel NULL pointer dereference when creating nexthop which is bound with SRv6 decapsulation. In the creation of nexthop, __seg6_end_dt_vrf_build is called. __seg6_end_dt_vrf_build expects fc_lninfo in fib6_config is set correctly, but it isn't set in nh_create_ipv6, which causes kernel crash. Here is steps to reproduce kernel crash: 1. modprobe vrf 2. ip -6 nexthop add encap seg6local action End.DT4 vrftable 1 dev eth0 We got the following message: [ 901.370336] BUG: kernel NULL pointer dereference, address: 0000000000000ba0 [ 901.371658] #PF: supervisor read access in kernel mode [ 901.372672] #PF: error_code(0x0000) - not-present page [ 901.373672] PGD 0 P4D 0 [ 901.374248] Oops: 0000 [#1] SMP PTI [ 901.374944] CPU: 0 PID: 8593 Comm: ip Not tainted 5.14-051400-generic #202108310811-Ubuntu [ 901.376404] Hardware name: Red Hat KVM, BIOS 1.11.1-4.module_el8.2.0+320+13f867d7 04/01/2014 [ 901.377907] RIP: 0010:vrf_ifindex_lookup_by_table_id+0x19/0x90 [vrf] [ 901.379182] Code: c1 e9 72 ff ff ff e8 96 49 01 c2 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 41 55 41 89 f5 41 54 53 8b 05 47 4c 00 00 <48> 8b 97 a0 0b 00 00 48 8b 1c c2 e8 57 27 53 c1 4c 8d a3 88 00 00 [ 901.382652] RSP: 0018:ffffbf2d02043590 EFLAGS: 00010282 [ 901.383746] RAX: 000000000000000b RBX: ffff990808255e70 RCX: ffffbf2d02043aa8 [ 901.385436] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000 [ 901.386924] RBP: ffffbf2d020435b0 R08: 00000000000000c0 R09: ffff990808255e40 [ 901.388537] R10: ffffffff83b08c90 R11: 0000000000000009 R12: 0000000000000000 [ 901.389937] R13: 0000000000000001 R14: 0000000000000000 R15: 000000000000000b [ 901.391226] FS: 00007fe49381f740(0000) GS:ffff99087dc00000(0000) knlGS:0000000000000000 [ 901.392737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 901.393803] CR2: 0000000000000ba0 CR3: 000000000e3e8003 CR4: 0000000000770ef0 [ 901.395122] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 901.396496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 901.397833] PKRU: 55555554 [ 901.398578] Call Trace: [ 901.399144] l3mdev_ifindex_lookup_by_table_id+0x3b/0x70 [ 901.400179] __seg6_end_dt_vrf_build+0x34/0xd0 [ 901.401067] seg6_end_dt4_build+0x16/0x20 [ 901.401904] seg6_local_build_state+0x271/0x430 [ 901.402797] lwtunnel_build_state+0x81/0x130 [ 901.403645] fib_nh_common_init+0x82/0x100 [ 901.404465] ? sock_def_readable+0x4b/0x80 [ 901.405285] fib6_nh_init+0x115/0x7c0 [ 901.406033] nh_create_ipv6.isra.0+0xe1/0x140 [ 901.406932] rtm_new_nexthop+0x3b7/0xeb0 [ 901.407828] rtnetlink_rcv_msg+0x152/0x3a0 [ 901.408663] ? rtnl_calcit.isra.0+0x130/0x130 [ 901.409535] netlink_rcv_skb+0x55/0x100 [ 901.410319] rtnetlink_rcv+0x15/0x20 [ 901.411026] netlink_unicast+0x1a8/0x250 [ 901.411813] netlink_sendmsg+0x238/0x470 [ 901.412602] ? _copy_from_user+0x2b/0x60 [ 901.413394] sock_sendmsg+0x65/0x70 [ 901.414112] ____sys_sendmsg+0x218/0x290 [ 901.414929] ? copy_msghdr_from_user+0x5c/0x90 [ 901.415814] ___sys_sendmsg+0x81/0xc0 [ 901.416559] ? fsnotify_destroy_marks+0x27/0xf0 [ 901.417447] ? call_rcu+0xa4/0x230 [ 901.418153] ? kmem_cache_free+0x23f/0x410 [ 901.418972] ? dentry_free+0x37/0x70 [ 901.419705] ? mntput_no_expire+0x4c/0x260 [ 901.420574] __sys_sendmsg+0x62/0xb0 [ 901.421297] __x64_sys_sendmsg+0x1f/0x30 [ 901.422057] do_syscall_64+0x5c/0xc0 [ 901.422756] ? syscall_exit_to_user_mode+0x27/0x50 [ 901.423675] ? __x64_sys_close+0x12/0x40 [ 901.424462] ? do_syscall_64+0x69/0xc0 [ 901.425219] ? irqentry_exit_to_user_mode+0x9/0x20 [ 901.426149] ? irqentry_exit+0x19/0x30 [ 901.426901] ? exc_page_fault+0x89/0x160 [ 901.427709] ? asm_exc_page_fault+0x8/0x30 [ 901.428536] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 901.429514] RIP: 0033:0x7fe493945747 [ 901.430248] Code: 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 901.433549] RSP: 002b:00007ffe9932cf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 901.434981] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe493945747 [ 901.436303] RDX: 0000000000000000 RSI: 00007ffe9932cfe0 RDI: 0000000000000003 [ 901.437607] RBP: 00000000613053f7 R08: 0000000000000001 R09: 00007ffe9932d07c [ 901.438990] R10: 000055f4a903a010 R11: 0000000000000246 R12: 0000000000000001 [ 901.440340] R13: 0000000000000001 R14: 000055f4a802b163 R15: 000055f4a8042020 [ 901.441630] Modules linked in: vrf nls_utf8 isofs nls_iso8859_1 dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua intel_rapl_msr intel_rapl_common isst_if_mbox_msr isst_if_common nfit rapl input_leds joydev serio_raw qemu_fw_cfg mac_hid sch_fq_codel drm virtio_rng ip_tables x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd virtio_net net_failover cryptd psmouse virtio_blk failover i2c_piix4 pata_acpi floppy [ 901.450808] CR2: 0000000000000ba0 [ 901.451514] ---[ end trace c27b934b99ade304 ]--- [ 901.452403] RIP: 0010:vrf_ifindex_lookup_by_table_id+0x19/0x90 [vrf] [ 901.453626] Code: c1 e9 72 ff ff ff e8 96 49 01 c2 66 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 56 41 55 41 89 f5 41 54 53 8b 05 47 4c 00 00 <48> 8b 97 a0 0b 00 00 48 8b 1c c2 e8 57 27 53 c1 4c 8d a3 88 00 00 [ 901.456910] RSP: 0018:ffffbf2d02043590 EFLAGS: 00010282 [ 901.457912] RAX: 000000000000000b RBX: ffff990808255e70 RCX: ffffbf2d02043aa8 [ 901.459238] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000000 [ 901.460552] RBP: ffffbf2d020435b0 R08: 00000000000000c0 R09: ffff990808255e40 [ 901.461882] R10: ffffffff83b08c90 R11: 0000000000000009 R12: 0000000000000000 [ 901.463208] R13: 0000000000000001 R14: 0000000000000000 R15: 000000000000000b [ 901.464529] FS: 00007fe49381f740(0000) GS:ffff99087dc00000(0000) knlGS:0000000000000000 [ 901.466058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 901.467189] CR2: 0000000000000ba0 CR3: 000000000e3e8003 CR4: 0000000000770ef0 [ 901.468515] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 901.469858] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 901.471139] PKRU: 55555554 Signed-off-by:
Ryoga Saito <contact@proelbtn.com> Signed-off-by:
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Dan Carpenter authored
I tried to make this check stricter as a hardenning measure but it broke audo and wifi on these devices so revert it. Fixes: aaa8e492 ("net: qrtr: make checks in qrtr_endpoint_post() stricter") Reported-by:
John Stultz <john.stultz@linaro.org> Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Tested-by:
Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by:
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Jan Hoffmann authored
Currently, outgoing packets larger than 1496 bytes are dropped when tagged VLAN is used on a switch port. Add the frame check sequence length to the value of the register GSWIP_MAC_FLEN to fix this. This matches the lantiq_ppa vendor driver, which uses a value consisting of 1518 bytes for the MAC frame, plus the lengths of special tag and VLAN tags. Fixes: 14fceff4 ("net: dsa: Add Lantiq / Intel DSA driver for vrx200") Cc: stable@vger.kernel.org Signed-off-by:
Jan Hoffmann <jan@3e8.eu> Acked-by:
Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by:
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Jakub Kicinski authored
Test case for commit a6e3f298 ("ip6_tunnel: fix GRE6 segmentation"). Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
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Jiwon Kim authored
The mld_process_v2 only returned 0. So, the return type is changed to void. Signed-off-by:
Jiwon Kim <jiwonaid0@gmail.com> Signed-off-by:
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Geert Uytterhoeven authored
drivers/net/ethernet/i825xx/sun3_82586.c: In function ‘sun3_82586_probe’: drivers/net/ethernet/i825xx/sun3_82586.c:317:9: warning: returning ‘struct net_device *’ from a function with return type ‘int’ makes integer from pointer without a cast [-Wint-conversion] 317 | return dev; | ^~~ The return type of sun3_82586_probe() was changed, but one return value was forgotten to be updated. Fixes: e179d78e ("m68k: remove legacy probing") Signed-off-by:Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Ivan Mikhaylov authored
This patch adds OEM Intel GMA command and response handler for it. Signed-off-by:
Brad Ho <Brad_Ho@phoenix.com> Signed-off-by:
Paul Fertser <fercerpav@gmail.com> Signed-off-by:
Ivan Mikhaylov <i.mikhaylov@yadro.com> Link: https://lore.kernel.org/r/20210830171806.119857-2-i.mikhaylov@yadro.comSigned-off-by:
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- 01 Sep, 2021 10 commits
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Edwin Peer authored
Parameter names in the comments did not match the function arguments. Fixes: 21380817 ("bnxt_en: add support for HWRM request slices") Signed-off-by:
Edwin Peer <edwin.peer@broadcom.com> Reported-by:
Michael Chan <michael.chan@broadcom.com> Reviewed-by:
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Jakub Kicinski authored
Mat Martineau says: ==================== mptcp: Prevent tcp_push() crash and selftest temp file buildup These are two fixes for the net tree, addressing separate issues. Patch 1 addresses a divide-by-zero crash seen in syzkaller and also reported by a user on the netdev list. This changes MPTCP code so tcp_push() cannot be called with an invalid (0) mss_now value. Patch 2 fixes a selftest temp file cleanup issue that consumes excessive disk space when running repeated tests. ==================== Link: https://lore.kernel.org/r/20210901171537.121255-1-mathew.j.martineau@linux.intel.comSigned-off-by:
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Matthieu Baerts authored
'$cin' and '$sin' variables are local to a function: they are then not available from the cleanup trap. Instead, we need to use '$large' and '$small' that are not local and defined just before setting the trap. Without this patch, running this script in a loop might cause a: write: No space left on device issue. Fixes: 1a418cb8 ("mptcp: simult flow self-tests") Acked-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by:
Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by:
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Paolo Abeni authored
Florian noted that if mptcp_alloc_tx_skb() allocation fails in __mptcp_push_pending(), we can end-up invoking mptcp_push_release()/tcp_push() with a zero mss, causing a divide by 0 error. This change addresses the issue refactoring the skb allocation code checking if skb collapsing will happen for sure and doing the skb allocation only after such check. Skb allocation will now happen only after the call to tcp_send_mss() which correctly initializes mss_now. As side bonuses we now fill the skb tx cache only when needed, and this also clean-up a bit the output path. v1 -> v2: - use lockdep_assert_held_once() - Jakub - fix indentation - Jakub Reported-by:
Florian Westphal <fw@strlen.de> Fixes: 724cfd2e ("mptcp: allocate TX skbs in msk context") Signed-off-by:
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Wan Jiabing authored
Fix the following coccicheck warning: ./net/mptcp/protocol.h:36:50-73: duplicated argument to & or | The OPTION_MPTCP_MPJ_SYNACK here is duplicate. Here should be OPTION_MPTCP_MPJ_ACK. Fixes: 74c7dfbe ("mptcp: consolidate in_opt sub-options fields in a bitmask") Signed-off-by:
Wan Jiabing <wanjiabing@vivo.com> Acked-by:
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Linus Walleij authored
I noticed that only port 0 worked on the RTL8366RB since we started to use custom tags. It turns out that the format of egress custom tags is actually different from ingress custom tags. While the lower bits just contain the port number in ingress tags, egress tags need to indicate destination port by setting the bit for the corresponding port. It was working on port 0 because port 0 added 0x00 as port number in the lower bits, and if you do this the packet appears at all ports, including the intended port. Ooops. Fix this and all ports work again. Use the define for shifting the "type A" into place while we're at it. Tested on the D-Link DIR-685 by sending traffic to each of the ports in turn. It works. Fixes: 86dd9868 ("net: dsa: tag_rtl4_a: Support also egress tags") Cc: DENG Qingfang <dqfext@gmail.com> Cc: Mauri Sandberg <sandberg@mailfence.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Reviewed-by:
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Geetha sowjanya authored
This patch reserves the LMTST lines per cpu instead of separate LMTST lines for NPA(buffer free) and NIX(sqe flush). LMTST line of the core on which SQ or RQ is processed is used for LMTST operation. This patch also replace STEOR with STEORL release semantics and updates driver name in ethtool file. Signed-off-by:
Geetha sowjanya <gakula@marvell.com> Signed-off-by:
Sunil Goutham <sgoutham@marvell.com> Signed-off-by:
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Smadar Fuks authored
Check one more time before exiting the API with an error. Fix API to poll at least twice, in case there are other high priority tasks and this API doesn't get CPU cycles for multiple jiffies update. In addition, increase timeout from usecs_to_jiffies(10000) to usecs_to_jiffies(20000), to prevent the case that for CONFIG_100HZ timeout will be a single jiffies. A single jiffies results actual timeout that can be any time between 1usec and 10msec. To solve this, a value of usecs_to_jiffies(20000) ensures that timeout is 2 jiffies. Signed-off-by:
Smadar Fuks <smadarf@marvell.com> Signed-off-by:
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Wan Jiabing authored
Remove repeated include of linux/module.h as it has been included at line 8. Signed-off-by:
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Michael Chan authored
The driver requires 64-bit doorbell writes to be atomic on 32-bit architectures. So we redefined writeq as a new macro with spinlock protection on 32-bit architectures. This created a new warning when we added a new file in a recent patchset. writeq is defined on many 32-bit architectures to do the memory write non-atomically and it generated a new macro redefined warning. This warning was fixed incorrectly in the recent patch. Fix this properly by adding a new bnxt_writeq() function that will do the non-atomic write under spinlock on 32-bit systems. All callers in the driver will now call bnxt_writeq() instead. v2: Need to pass in bp to bnxt_writeq() Use lo_hi_writeq() [suggested by Florian] Reported-by:kernel test robot <lkp@intel.com> Fixes: f9ff5782 ("bnxt_en: introduce new firmware message API based on DMA pools") Reviewed-by:
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- 31 Aug, 2021 18 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextLinus Torvalds authored
Pull networking updates from Jakub Kicinski: "Core: - Enable memcg accounting for various networking objects. BPF: - Introduce bpf timers. - Add perf link and opaque bpf_cookie which the program can read out again, to be used in libbpf-based USDT library. - Add bpf_task_pt_regs() helper to access user space pt_regs in kprobes, to help user space stack unwinding. - Add support for UNIX sockets for BPF sockmap. - Extend BPF iterator support for UNIX domain sockets. - Allow BPF TCP congestion control progs and bpf iterators to call bpf_setsockopt(), e.g. to switch to another congestion control algorithm. Protocols: - Support IOAM Pre-allocated Trace with IPv6. - Support Management Component Transport Protocol. - bridge: multicast: add vlan support. - netfilter: add hooks for the SRv6 lightweight tunnel driver. - tcp: - enable mid-stream window clamping (by user space or BPF) - allow data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD - more accurate DSACK processing for RACK-TLP - mptcp: - add full mesh path manager option - add partial support for MP_FAIL - improve use of backup subflows - optimize option processing - af_unix: add OOB notification support. - ipv6: add IFLA_INET6_RA_MTU to expose MTU value advertised by the router. - mac80211: Target Wake Time support in AP mode. - can: j1939: extend UAPI to notify about RX status. Driver APIs: - Add page frag support in page pool API. - Many improvements to the DSA (distributed switch) APIs. - ethtool: extend IRQ coalesce uAPI with timer reset modes. - devlink: control which auxiliary devices are created. - Support CAN PHYs via the generic PHY subsystem. - Proper cross-chip support for tag_8021q. - Allow TX forwarding for the software bridge data path to be offloaded to capable devices. Drivers: - veth: more flexible channels number configuration. - openvswitch: introduce per-cpu upcall dispatch. - Add internet mix (IMIX) mode to pktgen. - Transparently handle XDP operations in the bonding driver. - Add LiteETH network driver. - Renesas (ravb): - support Gigabit Ethernet IP - NXP Ethernet switch (sja1105): - fast aging support - support for "H" switch topologies - traffic termination for ports under VLAN-aware bridge - Intel 1G Ethernet - support getcrosststamp() with PCIe PTM (Precision Time Measurement) for better time sync - support Credit-Based Shaper (CBS) offload, enabling HW traffic prioritization and bandwidth reservation - Broadcom Ethernet (bnxt) - support pulse-per-second output - support larger Rx rings - Mellanox Ethernet (mlx5) - support ethtool RSS contexts and MQPRIO channel mode - support LAG offload with bridging - support devlink rate limit API - support packet sampling on tunnels - Huawei Ethernet (hns3): - basic devlink support - add extended IRQ coalescing support - report extended link state - Netronome Ethernet (nfp): - add conntrack offload support - Broadcom WiFi (brcmfmac): - add WPA3 Personal with FT to supported cipher suites - support 43752 SDIO device - Intel WiFi (iwlwifi): - support scanning hidden 6GHz networks - support for a new hardware family (Bz) - Xen pv driver: - harden netfront against malicious backends - Qualcomm mobile - ipa: refactor power management and enable automatic suspend - mhi: move MBIM to WWAN subsystem interfaces Refactor: - Ambient BPF run context and cgroup storage cleanup. - Compat rework for ndo_ioctl. Old code removal: - prism54 remove the obsoleted driver, deprecated by the p54 driver. - wan: remove sbni/granch driver" * tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1715 commits) net: Add depends on OF_NET for LiteX's LiteETH ipv6: seg6: remove duplicated include net: hns3: remove unnecessary spaces net: hns3: add some required spaces net: hns3: clean up a type mismatch warning net: hns3: refine function hns3_set_default_feature() ipv6: remove duplicated 'net/lwtunnel.h' include net: w5100: check return value after calling platform_get_resource() net/mlxbf_gige: Make use of devm_platform_ioremap_resourcexxx() net: mdio: mscc-miim: Make use of the helper function devm_platform_ioremap_resource() net: mdio-ipq4019: Make use of devm_platform_ioremap_resource() fou: remove sparse errors ipv4: fix endianness issue in inet_rtm_getroute_build_skb() octeontx2-af: Set proper errorcode for IPv4 checksum errors octeontx2-af: Fix static code analyzer reported issues octeontx2-af: Fix mailbox errors in nix_rss_flowkey_cfg octeontx2-af: Fix loop in free and unmap counter af_unix: fix potential NULL deref in unix_dgram_connect() dpaa2-eth: Replace strlcpy with strscpy octeontx2-af: Use NDC TX for transmit packet data ... -
git://git.kernel.org/pub/scm/linux/kernel/git/tj/wqLinus Torvalds authored
Pull workqueue updates from Tejun Heo: "There is a long-standing subtle destroy_workqueue() bug where a workqueue can be destroyed while internal work items used for flushing are still in flight. Lai fixed it by assigning a flush color to the internal work items so that they are correctly waited for during destruction. Other than that, all are minor cleanups" * 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: Remove unused WORK_NO_COLOR workqueue: Assign a color to barrier work items workqueue: Mark barrier work with WORK_STRUCT_INACTIVE workqueue: Change the code of calculating work_flags in insert_wq_barrier() workqueue: Change arguement of pwq_dec_nr_in_flight() workqueue: Rename "delayed" (delayed by active management) to "inactive" workqueue: Replace deprecated CPU-hotplug functions. workqueue: Replace deprecated ida_simple_*() with ida_alloc()/ida_free() workqueue: Fix typo in comments workqueue: Fix possible memory leaks in wq_numa_init()
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroupLinus Torvalds authored
Pull cgroup updates from Tejun Heo: "Two cpuset behavior changes: - cpuset on cgroup2 is changed to enable memory migration based on nodemask by default. - A notification is generated when cpuset partition state changes. All other patches are minor fixes and cleanups" * 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: Avoid compiler warnings with no subsystems cgroup/cpuset: Avoid memory migration when nodemasks match cgroup/cpuset: Enable memory migration for cpuset v2 cgroup/cpuset: Enable event notification when partition state changes cgroup: cgroup-v1: clean up kernel-doc notation cgroup: Replace deprecated CPU-hotplug functions. cgroup/cpuset: Fix violation of cpuset locking rule cgroup/cpuset: Fix a partition bug with hotplug cgroup/cpuset: Miscellaneous code cleanup cgroup: remove cgroup_mount from comments -
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibftLinus Torvalds authored
Pull ibft updates from Konrad Rzeszutek Wilk: "A fix for iBFT parsing code badly interfacing when KASLR is enabled" * 'stable/for-linus-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft: iscsi_ibft: fix warning in reserve_ibft_region() iscsi_ibft: fix crash due to KASLR physical memory remapping
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Linus Torvalds authored
Merge tag 'for-5.15/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mike Snitzer: - Add DM infrastructure for IMA-based remote attestion. These changes are the basis for deploying DM-based storage in a "cloud" that must validate configurations end-users run to maintain trust. These DM changes allow supported DM targets' configurations to be measured via IMA. But the policy and enforcement (of which configurations are valid) is managed by something outside the kernel (e.g. Keylime). - Fix DM crypt scalability regression on systems with many cpus due to percpu_counter spinlock contention in crypt_page_alloc(). - Use in_hardirq() instead of deprecated in_irq() in DM crypt. - Add event counters to DM writecache to allow users to further assess how the writecache is performing. - Various code cleanup in DM writecache's main IO mapping function. * tag 'for-5.15/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm crypt: use in_hardirq() instead of deprecated in_irq() dm ima: update dm documentation for ima measurement support dm ima: update dm target attributes for ima measurements dm ima: add a warning in dm_init if duplicate ima events are not measured dm ima: prefix ima event name related to device mapper with dm_ dm ima: add version info to dm related events in ima log dm ima: prefix dm table hashes in ima log with hash algorithm dm crypt: Avoid percpu_counter spinlock contention in crypt_page_alloc() dm: add documentation for IMA measurement support dm: update target status functions to support IMA measurement dm ima: measure data on device rename dm ima: measure data on table clear dm ima: measure data on device remove dm ima: measure data on device resume dm ima: measure data on table load dm writecache: add event counters dm writecache: report invalid return from writecache_map helpers dm writecache: further writecache_map() cleanup dm writecache: factor out writecache_map_remap_origin() dm writecache: split up writecache_map() to improve code readability
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git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-ledsLinus Torvalds authored
Pull LED updates from Pavel Machek: "Usual driver changes, some documentation that should hopefully get LED names standartized, and many fixes" * tag 'leds-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (32 commits) leds: pca955x: Switch to i2c probe_new leds: pca955x: Let the core process the fwnode leds: pca955x: Implement the default-state property leds: pca955x: Add brightness_get function leds: pca955x: Clean up code formatting leds: leds-core: Implement the retain-state-shutdown property dt-bindings: leds: Add retain-state-shutdown boolean Documentation: leds: standartizing LED names leds: trigger: remove reference to obsolete CONFIG_IDE_GD_ATA leds: lp50xx: Fix chip name in KConfig leds: pwm: add support for default-state device property leds: move default_state read from fwnode to core leds: flash: Remove redundant initialization of variable ret leds: lgm-sso: Propagate error codes from callee to caller leds: trigger: audio: Add an activate callback to ensure the initial brightness is set leds: rt8515: Put fwnode in any case during ->probe() leds: lt3593: Put fwnode in any case during ->probe() leds: lm3697: Make error handling more robust leds: lm3697: Update header block to reflect reality leds: lm3692x: Correct headers (of*.h -> mod_devicetable.h) ...
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-stagingLinus Torvalds authored
Pull hwmon updates from Guenter Roeck: "New drivers for: - Aquacomputer D5 Next - SB-RMI power module Added chip support to existing drivers: - Support for various Zen2 and Zen3 APUs and for Yellow Carp (SMU v13) added to k10temp driver - Support for Silicom n5010 PAC added to intel-m10-bmc driver - Support for BPD-RS600 added to pmbus/bpa-rs600 driver Other notable changes: - In k10temp, do not display Tdie on Zen CPUs if there is no difference between Tdie and Tctl - Converted adt7470 and dell-smm drivers to use devm_hwmon_device_register_with_info API - Support for temperature/pwm tables added to axi-fan-control driver - Enabled fan control for Dell Precision 7510 in dell-smm driver Various other minor improvements and fixes in several drivers" * tag 'hwmon-for-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (41 commits) hwmon: add driver for Aquacomputer D5 Next hwmon: (adt7470) Convert to devm_hwmon_device_register_with_info API hwmon: (adt7470) Convert to use regmap hwmon: (adt7470) Fix some style issues hwmon: (k10temp) Add support for yellow carp hwmon: (k10temp) Rework the temperature offset calculation hwmon: (k10temp) Don't show Tdie for all Zen/Zen2/Zen3 CPU/APU hwmon: (k10temp) Add additional missing Zen2 and Zen3 APUs hwmon: remove amd_energy driver in Makefile hwmon: (dell-smm) Rework SMM function debugging hwmon: (dell-smm) Mark i8k_get_fan_nominal_speed as __init hwmon: (dell-smm) Mark tables as __initconst hwmon: (pmbus/bpa-rs600) Add workaround for incorrect Pin max hwmon: (pmbus/bpa-rs600) Don't use rated limits as warn limits hwmon: (axi-fan-control) Support temperature vs pwm points hwmon: (axi-fan-control) Handle irqs in natural order hwmon: (axi-fan-control) Make sure the clock is enabled hwmon: (pmbus/ibm-cffps) Fix write bits for LED control hwmon: (w83781d) Match on device tree compatibles dt-bindings: hwmon: Add bindings for Winbond W83781D ... -
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c updates from Wolfram Sang: "I2C has a smaller pull reuest this time: - new driver for I2C virtio - removal of PMC SMP driver because platform is already gone - IRQ probing and DMAENGINE API cleanups - add SI metric prefix definitions to units.h - beginning of i801 refactorization - a few driver improvements" * 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (28 commits) i2c: cadence: Implement save restore i2c: xlp9xx: fix main IRQ check i2c: mt65xx: fix IRQ check i2c: virtio: add a virtio i2c frontend driver i2c: hix5hd2: fix IRQ check i2c: s3c2410: fix IRQ check i2c: iop3xx: fix deferred probing i2c: synquacer: fix deferred probing i2c: sun6i-pw2i: Prefer strscpy over strlcpy i2c: remove dead PMC MSP TWI/SMBus/I2C driver i2c: dev: Use sysfs_emit() in "show" functions i2c: dev: Define pr_fmt() and drop duplication substrings i2c: designware: Fix indentation in the header i2c: designware: Use DIV_ROUND_CLOSEST() macro units: Add SI metric prefix definitions i2c: at91: mark PM ops as __maybe unused i2c: sh_mobile: : use proper DMAENGINE API for termination i2c: qup: : use proper DMAENGINE API for termination i2c: mxs: : use proper DMAENGINE API for termination i2c: imx: : use proper DMAENGINE API for termination ...
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds authored
Pull MMC and MEMSTICK updates from Ulf Hansson: "MMC core: - Return a proper response in case of an ioctl error - Issue HPI to interrupt BKOPS for eMMC if it timed out - Avoid hogging the CPU while polling for busy - Extend sd8787 pwrseq to support the wilc1000 SDIO - Remove a couple of confusing warning messages - Clarify comment for ->card_busy() host ops MMC host: - dw_mmc: Add data CRC error injection - mmci: De-assert reset during ->probe() - rtsx_pci: Fix long reads when clock is pre-scaled - sdhci: Correct the tuning command handle for PIO mode - sdhci-esdhc-imx: Improve support for auto tuning - sdhci-msm: Add support for the sc7280 - sdhci-of-arasan: Don't auto tune for DDR50 mode for ZynqMP - sdhci-of-arasan: Enable support for auto cmd12 - sdhci-of-arasan: Use 19MHz for SD default speed for ZynqMP for level shifter - usdhi6rol0: Implement the ->card_busy() host ops MEMSTICK: - A couple of minor cleanups" * tag 'mmc-v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (52 commits) mmc: queue: Remove unused parameters(request_queue) mmc: pwrseq: sd8787: fix compilation warning mmc: core: Return correct emmc response in case of ioctl error mmc: sdhci-esdhc-imx: Select the correct mode for auto tuning mmc: sdhci-esdhc-imx: Remove redundant code for manual tuning mmc: core: Issue HPI in case the BKOPS timed out mmc: queue: Match the data type of max_segments mmc: switch from 'pci_' to 'dma_' API memstick: switch from 'pci_' to 'dma_' API memstick: r592: Change the name of the 'pci_driver' structure to be consistent mmc: pwrseq: add wilc1000_sdio dependency for pwrseq_sd8787 mmc: pwrseq: sd8787: add support for wilc1000 dt-bindings: mmc: Extend pwrseq-sd8787 binding for wilc1000 dt-bindings: mmc: fsl-imx-esdhc: change the pinctrl-names rule dt-bindings: mmc: fsl-imx-esdhc: add a new compatible string dt-bindings: mmc: renesas,sdhi: Document RZ/G2L bindings dt-bindings: mmc: renesas,sdhi: Fix dtbs-check warning mmc: core: Update ->card_busy() callback comment mmc: usdhi6rol0: Implement card_busy function mmc: sdhci: Correct the tuning command handle for PIO mode ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull device properties framework updates from Rafael Wysocki: "These improve the handling of secondary firmware nodes in fwnode_graph_get_next_endpoint() (Daniel Scally)" * tag 'devprop-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "media: device property: Call fwnode_graph_get_endpoint_by_id() for fwnode->secondary" device property: Check fwnode->secondary in fwnode_graph_get_next_endpoint()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI updates from Rafael Wysocki: "These update the ACPICA kernel code to upstream revision 20210730, clean up the ACPI companion binding code, optimize the I2C handling in the XPower PMIC driver, add 16550-compatible Serial Port Subtype support to the SPCR parsing code, add a few LoongArch support bits, add a ne quirk to the button driver, add new PCH FIVR methods to the DPTF code, replace deprecated CPU-hotplug functions in the processor driver, improve the acpi_os_map_memory() handling on non-x86 and do some assorted cleanups. Specifics: - Update ACPICA code in the kernel to upstream revision 20210730 including the following changes: - Add support for the AEST table (data compiler) to iASL (Bob Moore) - Fix an if statement (add parens) (Bob Moore) - Drop trailing semicolon from some macros (Bob Moore) - Fix compilation of WPBT table with no command-line arguments in iASL (Bob Moore) - Add method name "_DIS" for use with aslmethod.c (Bob Moore) - Add new DBG2 Serial Port Subtypes (Marcin Wojtas) - Add new PCH FIVR methods to the DPTF code (Srinivas Pandruvada) - Add support for the new 16550-compatible Serial Port Subtype to the SPCR table parsing code (Marcin Wojtas) - Add DMI quirk for Lenovo Yoga 9 (14INTL5) to the ACPI button driver (Ulrich Huber) - Add LoongArch support for ACPI_PROCESSOR/ACPI_NUMA (Huacai Chen) - Add memory semantics to acpi_os_map_memory() (Lorenzo Pieralisi) - Replace deprecated CPU-hotplug functions in the ACPI processor driver (Sebastian Andrzej Siewior) - Optimize I2C-bus handling in the XPower PMIC driver (Hans de Goede) - Make platform-profile catch profile changes initiated by user space and notify user processes of them (Hans de Goede) - Clean up the ACPI companion binding and unbinding code and update debug messaging in the ACPI power resources code (Rafael Wysocki) - Clean up a couple of code pieces related to configfs (Andy Shevchenko) - Rearrange the FPDT table parsing code to avoid printing warning messages for reserved record types (Adrian Huang)" * tag 'acpi-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (27 commits) ACPI: power: Drop name from struct acpi_power_resource ACPI: power: Use acpi_handle_debug() to print debug messages ACPI: tables: FPDT: Do not print FW_BUG message if record types are reserved ACPI: button: Add DMI quirk for Lenovo Yoga 9 (14INTL5) ACPI: Add memory semantics to acpi_os_map_memory() ACPI: SPCR: Add support for the new 16550-compatible Serial Port Subtype ACPI: platform-profile: call sysfs_notify() from platform_profile_store() ACPICA: Update version to 20210730 ACPICA: Add method name "_DIS" For use with aslmethod.c ACPICA: iASL: Fix for WPBT table with no command-line arguments ACPICA: Headers: Add new DBG2 Serial Port Subtypes ACPICA: Macros should not use a trailing semicolon ACPICA: Fix an if statement (add parens) ACPICA: iASL: Add support for the AEST table (data compiler) ACPI: processor: Replace deprecated CPU-hotplug functions ACPI: DPTF: Add new PCH FIVR methods ACPI: configfs: Make get_header() to return error pointer ACPI: configfs: Use sysfs_emit() in "show" functions driver core: Split device_platform_notify() software nodes: Split software_node_notify() ... -
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management updates from Rafael Wysocki: "These address some PCI device power management issues, add new hardware support to the RAPL power capping driver, add HWP guaranteed performance change notification support to the intel_pstate driver, replace deprecated CPU-hotplug functions in a few places, update CPU PM notifiers to use raw spinlocks, update the PM domains framework (new DT property support, Kconfig fix), do a couple of cleanups in code related to system sleep, and improve the energy model and the schedutil cpufreq governor. Specifics: - Address 3 PCI device power management issues (Rafael Wysocki). - Add Power Limit4 support for Alder Lake to the Intel RAPL power capping driver (Sumeet Pawnikar). - Add HWP guaranteed performance change notification support to the intel_pstate driver (Srinivas Pandruvada). - Replace deprecated CPU-hotplug functions in code related to power management (Sebastian Andrzej Siewior). - Update CPU PM notifiers to use raw spinlocks (Valentin Schneider). - Add support for 'required-opps' DT property to the generic power domains (genpd) framework and use this property for I2C on ARM64 sc7180 (Rajendra Nayak). - Fix Kconfig issue related to genpd (Geert Uytterhoeven). - Increase energy calculation precision in the Energy Model (Lukasz Luba). - Fix kobject deletion in the exit code of the schedutil cpufreq governor (Kevin Hao). - Unmark some functions as kernel-doc in the PM core to avoid false-positive documentation build warnings (Randy Dunlap). - Check RTC features instead of ops in suspend_test Alexandre Belloni)" * tag 'pm-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM: domains: Fix domain attach for CONFIG_PM_OPP=n powercap: Add Power Limit4 support for Alder Lake SoC cpufreq: intel_pstate: Process HWP Guaranteed change notification thermal: intel: Allow processing of HWP interrupt notifier: Remove atomic_notifier_call_chain_robust() PM: cpu: Make notifier chain use a raw_spinlock_t PM: sleep: unmark 'state' functions as kernel-doc arm64: dts: sc7180: Add required-opps for i2c PM: domains: Add support for 'required-opps' to set default perf state opp: Don't print an error if required-opps is missing cpufreq: schedutil: Use kobject release() method to free sugov_tunables PM: EM: Increase energy calculation precision PM: sleep: check RTC features instead of ops in suspend_test PM: sleep: s2idle: Replace deprecated CPU-hotplug functions cpufreq: Replace deprecated CPU-hotplug functions powercap: intel_rapl: Replace deprecated CPU-hotplug functions PCI: PM: Enable PME if it can be signaled from D3cold PCI: PM: Avoid forcing PCI_D0 for wakeup reasons inconsistently PCI: Use pci_update_current_state() in pci_enable_device_flags() -
git://github.com/cschaufler/smack-nextLinus Torvalds authored
Pull smack updates from Casey Schaufler: "There is a variable used only during start-up that's now marked __initdata and a change where the code was working by sheer luck that is now done properly. Both have been in next for several weeks and pass the Smack testsuite" * tag 'Smack-for-5.15' of git://github.com/cschaufler/smack-next: smack: mark 'smack_enabled' global variable as __initdata Smack: Fix wrong semantics in smk_access_entry()
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/auditLinus Torvalds authored
Pull audit updates from Paul Moore: "Two patches in the audit pull request for v5.15; one is trivial ("header protection") but the second is a real patch that fixes a refcounting problem. The refcount fix normally would have been sent up during the -rcX cycle, but since we merged it less than a week before v5.14 proper I felt it was better to wait for the merge window to open; the patch is marked with the usual -stable markings" * tag 'audit-pr-20210830' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: audit: move put_tree() to avoid trim_trees refcount underflow and UAF audit: add header protection to kernel/audit.h -
git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinuxLinus Torvalds authored
Pull selinux update from Paul Moore: "We've got an unusually small SELinux pull request for v5.15 that consists of only one (?!) patch that is really pretty minor when you look at it. Unsurprisingly it passes all of our tests and merges cleanly on top of your tree right now, please merge this for v5.15" * tag 'selinux-pr-20210830' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: selinux: return early for possible NULL audit buffers
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git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linuxLinus Torvalds authored
Pull set_user() update from Christian Brauner: "This contains a single fix to set_user() which aligns permission checks with the corresponding fork() codepath. No one involved in this could come up with a reason for the difference. A capable caller can already circumvent the check when they fork where the permission checks are already for the relevant capabilities in addition to also allowing to exceed nproc when it is the init user. So apply the same logic to set_user()" * tag 'kernel.sys.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: set_user: add capability check when rlimit(RLIMIT_NPROC) exceeds
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git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linuxLinus Torvalds authored
Pull idmapping documentation updates from Christian Brauner: "The bulk of the idmapped work this cycle was adding support for idmapped mounts to btrfs. While this required the addition of a (simple) new vfs helper all the work is going through David Sterba's btrfs tree. It was way simpler to do it this way rather then forcing David to coordinate between his btrfs and my tree. Plus I don't care who merges it as long as I feel I can trust the maintainer and the btrfs folks were really fast and helpful in reviewing this work. As always, associated with the btrfs port for idmapped mounts is a new fstests extension specifically concerned with btrfs ioctls (e.g. subvolume creation, deletion etc.) on idmapped mounts which can be found in the fstests repo as 5f8179ce8b00 ("btrfs: introduce btrfs specific idmapped mounts tests"). Consequently, this cycle the idmapping pull is boring. It only contains documentation updates, specifically about how idmappings and idmapped mounts work" * tag 'fs.idmapped.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: doc: give a more thorough id handling explanation -
git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linuxLinus Torvalds authored
Pull close_range() cleanup from Christian Brauner: "This is a cleanup for close_range() which was sent as part of a bugfix we did some time ago in commit 9b5b8722 ("file: fix close_range() for unshare+cloexec"). We used to share more code between some helpers for close_range() which made retrieving the maximum number of open fds before calling into the helpers sensible. But with the introduction of CLOSE_RANGE_CLOEXEC and the need to retrieve the number of maximum fds once more for CLOSE_RANGE_CLOEXEC that stopped making sense. So the code was in a dumb in-limbo state. Fix this by simplifying the code a bit. The original idea was to only fix the bug itself and make backporting easy. And since the cleanup wasn't very pressing I left it in linux-next for a very long time. I didn't pull the patches from the list again back then which is why they don't have lore-links. So I'm listing them below explicitly" Commit 03ba0fe4 ("file: simplify logic in __close_range()") Link: https://lore.kernel.org/linux-fsdevel/20210402123548.108372-3-brauner@kernel.org Commit f49fd6d3 ("file: let pick_file() tell caller it's done") Link: https://lore.kernel.org/linux-fsdevel/20210402123548.108372-4-brauner@kernel.org * tag 'fs.close_range.v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: file: simplify logic in __close_range() file: let pick_file() tell caller it's done
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