- 05 Jan, 2019 3 commits
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Andrey Ignatov authored
Test that sys_sendmsg BPF hook doesn't break sys_sendmsg behaviour to rewrite destination IPv6 = [::] with [::1] (BSD'ism). Two test cases are added: 1) User passes dst IPv6 = [::] and BPF_CGROUP_UDP6_SENDMSG program doesn't touch it. 2) User passes dst IPv6 != [::], but BPF_CGROUP_UDP6_SENDMSG program rewrites it with [::]. In both cases [::1] is used by sys_sendmsg code eventually and datagram is sent successfully for unconnected UDP socket. Example of relevant output: Test case: sendmsg6: set dst IP = [::] (BSD'ism) .. [PASS] Test case: sendmsg6: preserve dst IP = [::] (BSD'ism) .. [PASS] Signed-off-by:
Andrey Ignatov <rdna@fb.com> Signed-off-by:
Alexei Starovoitov <ast@kernel.org>
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Andrey Ignatov authored
sys_sendmsg has supported unspecified destination IPv6 (wildcard) for unconnected UDP sockets since 876c7f41. When [::] is passed by user as destination, sys_sendmsg rewrites it with [::1] to be consistent with BSD (see "BSD'ism" comment in the code). This didn't work when cgroup-bpf was enabled though since the rewrite [::] -> [::1] happened before passing control to cgroup-bpf block where fl6.daddr was updated with passed by user sockaddr_in6.sin6_addr (that might or might not be changed by BPF program). That way if user passed [::] as dst IPv6 it was first rewritten with [::1] by original code from 876c7f41, but then rewritten back with [::] by cgroup-bpf block. It happened even when BPF_CGROUP_UDP6_SENDMSG program was not present (CONFIG_CGROUP_BPF=y was enough). The fix is to apply BSD'ism after cgroup-bpf block so that [::] is replaced with [::1] no matter where it came from: passed by user to sys_sendmsg or set by BPF_CGROUP_UDP6_SENDMSG program. Fixes: 1cedee13 ("bpf: Hooks for sys_sendmsg") Reported-by:
Nitin Rawat <nitin.rawat@intel.com> Signed-off-by:
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David Ahern authored
Similar to c5ee0663 ("ipv6: Consider sk_bound_dev_if when binding a socket to an address"), binding a socket to v4 mapped addresses needs to consider if the socket is bound to a device. This problem also exists from the beginning of git history. Signed-off-by:
David Ahern <dsahern@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 04 Jan, 2019 23 commits
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Jeff Kirsher authored
The new ability added to the driver to use mii_bus to handle MII related ioctls is causing compile issues when the driver is compiled into the kernel (i.e. not a module). The problem was in selecting MDIO_DEVICE instead of the preferred PHYLIB Kconfig option. The reason being that MDIO_DEVICE had a dependency on PHYLIB and would be compiled as a module when PHYLIB was a module, no matter whether ixgbe was compiled into the kernel. CC: Dave Jones <davej@codemonkey.org.uk> CC: Steve Douthit <stephend@silicom-usa.com> CC: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Reviewed-by:
Stephen Douthit <stephend@silicom-usa.com> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Eric Dumazet authored
syzbot was able to crash one host with the following stack trace : kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8625 Comm: syz-executor4 Not tainted 4.20.0+ #8 RIP: 0010:dev_net include/linux/netdevice.h:2169 [inline] RIP: 0010:icmp6_send+0x116/0x2d30 net/ipv6/icmp.c:426 icmpv6_send smack_socket_sock_rcv_skb security_sock_rcv_skb sk_filter_trim_cap __sk_receive_skb dccp_v6_do_rcv release_sock This is because a RX packet found socket owned by user and was stored into socket backlog. Before leaving RCU protected section, skb->dev was cleared in __sk_receive_skb(). When socket backlog was finally handled at release_sock() time, skb was fed to smack_socket_sock_rcv_skb() then icmp6_send() We could fix the bug in smack_socket_sock_rcv_skb(), or simply make icmp6_send() more robust against such possibility. In the future we might provide to icmp6_send() the net pointer instead of infering it. Fixes: d66a8acb ("Smack: Inform peer that IPv6 traffic has been blocked") Signed-off-by:
Eric Dumazet <edumazet@google.com> Cc: Piotr Sawicki <p.sawicki2@partner.samsung.com> Cc: Casey Schaufler <casey@schaufler-ca.com> Reported-by:
syzbot <syzkaller@googlegroups.com> Acked-by:
Casey Schaufler <casey@schaufler-ca.com> Signed-off-by:
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Peter Oskolkov authored
Commit ade44640 ("net: ipv4: do not handle duplicate fragments as overlapping") changed IPv4 defragmentation so that duplicate fragments, as well as _some_ fragments completely covered by previously delivered fragments, do not lead to the whole frag queue being discarded. This makes the existing ip_defrag selftest flaky. This patch * makes sure that negative IPv4 defrag tests generate truly overlapping fragments that trigger defrag queue drops; * tests that duplicate IPv4 fragments do not trigger defrag queue drops; * makes a couple of minor tweaks to the test aimed at increasing its code coverage and reduce flakiness. Signed-off-by:
Peter Oskolkov <posk@google.com> Signed-off-by:
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Daniele Palmas authored
This patch adds MTU default value to qmap network interface in order to avoid "RTNETLINK answers: No buffer space available" error when setting an ipv6 address. Signed-off-by:
Daniele Palmas <dnlplm@gmail.com> Acked-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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David S. Miller authored
Huazhong Tan says: ==================== net: hns: Bugfixes for HNS driver This patchset includes bugfixes for the HNS ethernet controller driver. Every patch is independent. ==================== Signed-off-by: -
Yonglong Liu authored
When enable SLUB debug, than remove hns_enet_drv module, SLUB debug will identify a use after free bug: [134.189505] Unable to handle kernel paging request at virtual address 006b6b6b6b6b6b6b [134.197553] Mem abort info: [134.200381] ESR = 0x96000004 [134.203487] Exception class = DABT (current EL), IL = 32 bits [134.209497] SET = 0, FnV = 0 [134.212596] EA = 0, S1PTW = 0 [134.215777] Data abort info: [134.218701] ISV = 0, ISS = 0x00000004 [134.222596] CM = 0, WnR = 0 [134.225606] [006b6b6b6b6b6b6b] address between user and kernel address ranges [134.232851] Internal error: Oops: 96000004 [#1] SMP [134.237798] CPU: 21 PID: 27834 Comm: rmmod Kdump: loaded Tainted: G OE 4.19.5-1.2.34.aarch64 #1 [134.247856] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.58 10/24/2018 [134.255181] pstate: 20000005 (nzCv daif -PAN -UAO) [134.260044] pc : hns_ae_put_handle+0x38/0x60 [134.264372] lr : hns_ae_put_handle+0x24/0x60 [134.268700] sp : ffff00001be93c50 [134.272054] x29: ffff00001be93c50 x28: ffff802faaec8040 [134.277442] x27: 0000000000000000 x26: 0000000000000000 [134.282830] x25: 0000000056000000 x24: 0000000000000015 [134.288284] x23: ffff0000096fe098 x22: ffff000001050070 [134.293671] x21: ffff801fb3c044a0 x20: ffff80afb75ec098 [134.303287] x19: ffff80afb75ec098 x18: 0000000000000000 [134.312945] x17: 0000000000000000 x16: 0000000000000000 [134.322517] x15: 0000000000000002 x14: 0000000000000000 [134.332030] x13: dead000000000100 x12: ffff7e02bea3c988 [134.341487] x11: ffff80affbee9e68 x10: 0000000000000000 [134.351033] x9 : 6fffff8000008101 x8 : 0000000000000000 [134.360569] x7 : dead000000000100 x6 : ffff000009579748 [134.370059] x5 : 0000000000210d00 x4 : 0000000000000000 [134.379550] x3 : 0000000000000001 x2 : 0000000000000000 [134.388813] x1 : 6b6b6b6b6b6b6b6b x0 : 0000000000000000 [134.397993] Process rmmod (pid: 27834, stack limit = 0x00000000d474b7fd) [134.408498] Call trace: [134.414611] hns_ae_put_handle+0x38/0x60 [134.422208] hnae_put_handle+0xd4/0x108 [134.429563] hns_nic_dev_remove+0x60/0xc0 [hns_enet_drv] [134.438342] platform_drv_remove+0x2c/0x70 [134.445958] device_release_driver_internal+0x174/0x208 [134.454810] driver_detach+0x70/0xd8 [134.461913] bus_remove_driver+0x64/0xe8 [134.469396] driver_unregister+0x34/0x60 [134.476822] platform_driver_unregister+0x20/0x30 [134.485130] hns_nic_dev_driver_exit+0x14/0x6e4 [hns_enet_drv] [134.494634] __arm64_sys_delete_module+0x238/0x290 struct hnae_handle is a member of struct hnae_vf_cb, so when vf_cb is freed, than use hnae_handle will cause use after free panic. This patch frees vf_cb after hnae_handle used. Signed-off-by:
Yonglong Liu <liuyonglong@huawei.com> Signed-off-by:
Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by:
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Yonglong Liu authored
Commit 308c6caf ("net: hns: All ports can not work when insmod hns ko after rmmod.") add phy_stop in hns_nic_init_phy(), In the branch of "net", this method is effective, but in the branch of "net-next", it will cause a WARNING when hns modules loaded, reference to commit 2b3e88ea ("net: phy: improve phy state checking"): [10.092168] ------------[ cut here ]------------ [10.092171] called from state READY [10.092189] WARNING: CPU: 4 PID: 1 at ../drivers/net/phy/phy.c:854 phy_stop+0x90/0xb0 [10.092192] Modules linked in: [10.092197] CPU: 4 PID:1 Comm:swapper/0 Not tainted 4.20.0-rc7-next-20181220 #1 [10.092200] Hardware name: Huawei TaiShan 2280 /D05, BIOS Hisilicon D05 UEFI 16.12 Release 05/15/2017 [10.092202] pstate: 60000005 (nZCv daif -PAN -UAO) [10.092205] pc : phy_stop+0x90/0xb0 [10.092208] lr : phy_stop+0x90/0xb0 [10.092209] sp : ffff00001159ba90 [10.092212] x29: ffff00001159ba90 x28: 0000000000000007 [10.092215] x27: ffff000011180068 x26: ffff0000110a5620 [10.092218] x25: ffff0000113b6000 x24: ffff842f96dac000 [10.092221] x23: 0000000000000000 x22: 0000000000000000 [10.092223] x21: ffff841fb8425e18 x20: ffff801fb3a56438 [10.092226] x19: ffff801fb3a56000 x18: ffffffffffffffff [10.092228] x17: 0000000000000000 x16: 0000000000000000 [10.092231] x15: ffff00001122d6c8 x14: ffff00009159b7b7 [10.092234] x13: ffff00001159b7c5 x12: ffff000011245000 [10.092236] x11: 0000000005f5e0ff x10: ffff00001159b750 [10.092239] x9 : 00000000ffffffd0 x8 : 0000000000000465 [10.092242] x7 : ffff0000112457f8 x6 : ffff0000113bd7ce [10.092245] x5 : 0000000000000000 x4 : 0000000000000000 [10.092247] x3 : 00000000ffffffff x2 : ffff000011245828 [10.092250] x1 : 4b5860bd05871300 x0 : 0000000000000000 [10.092253] Call trace: [10.092255] phy_stop+0x90/0xb0 [10.092260] hns_nic_init_phy+0xf8/0x110 [10.092262] hns_nic_try_get_ae+0x4c/0x3b0 [10.092264] hns_nic_dev_probe+0x1fc/0x480 [10.092268] platform_drv_probe+0x50/0xa0 [10.092271] really_probe+0x1f4/0x298 [10.092273] driver_probe_device+0x58/0x108 [10.092275] __driver_attach+0xdc/0xe0 [10.092278] bus_for_each_dev+0x74/0xc8 [10.092280] driver_attach+0x20/0x28 [10.092283] bus_add_driver+0x1b8/0x228 [10.092285] driver_register+0x60/0x110 [10.092288] __platform_driver_register+0x40/0x48 [10.092292] hns_nic_dev_driver_init+0x18/0x20 [10.092296] do_one_initcall+0x5c/0x180 [10.092299] kernel_init_freeable+0x198/0x240 [10.092303] kernel_init+0x10/0x108 [10.092306] ret_from_fork+0x10/0x18 [10.092308] ---[ end trace 1396dd0278e397eb ]--- This WARNING occurred because of calling phy_stop before phy_start. The root cause of the problem in commit '308c6caf' is: Reference to hns_nic_init_phy, the flag phydev->supported is changed after phy_connect_direct. The flag phydev->supported is 0x6ff when hns modules is loaded, so will not change Fiber Port power(Reference to marvell.c), which is power on at default. Then the flag phydev->supported is changed to 0x6f, so Fiber Port power is off when removing hns modules. When hns modules installed again, the flag phydev->supported is default value 0x6ff, so will not change Fiber Port power(now is off), causing mac link not up problem. So the solution is change phy flags before phy_connect_direct. Fixes: 308c6caf ("net: hns: All ports can not work when insmod hns ko after rmmod.") Signed-off-by:
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Linus Walleij authored
This driver uses GPIO descriptors only, <linux/of_gpio.h> is not used so drop the include. Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Reviewed-by:
Vivien Didelot <vivien.didelot@gmail.com> Signed-off-by:
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David S. Miller authored
Stefano Brivio says: ==================== Fix two further potential unbounded recursions in GUE error handlers Patch 1/2 takes care of preventing the issue fixed by commit 11789039 ("fou: Prevent unbounded recursion in GUE error handler") also with UDP-Lite payloads -- I just realised this might happen from a syzbot report. Patch 2/2 fixes the issue for both UDP and UDP-Lite on IPv6, which I also forgot to deal with in that same commit. ==================== Signed-off-by:
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Stefano Brivio authored
I forgot to deal with IPv6 in commit 11789039 ("fou: Prevent unbounded recursion in GUE error handler"). Now syzbot reported what might be the same type of issue, caused by gue6_err(), that is, handling exceptions for direct UDP encapsulation in GUE (UDP-in-UDP) leads to unbounded recursion in the GUE exception handler. As it probably doesn't make sense to set up GUE this way, and it's currently not even possible to configure this, skip exception handling for UDP (or UDP-Lite) packets encapsulated in UDP (or UDP-Lite) packets with GUE on IPv6. Reported-by: syzbot+4ad25edc7a33e4ab91e0@syzkaller.appspotmail.com Reported-by:
Willem de Bruijn <willemdebruijn.kernel@gmail.com> Reported-by:
Eric Dumazet <eric.dumazet@gmail.com> Fixes: b8a51b38 ("fou, fou6: ICMP error handlers for FoU and GUE") Signed-off-by:
Stefano Brivio <sbrivio@redhat.com> Signed-off-by:
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Stefano Brivio authored
In commit 11789039 ("fou: Prevent unbounded recursion in GUE error handler"), I didn't take care of the case where UDP-Lite is encapsulated into UDP or UDP-Lite with GUE. From a syzbot report about a possibly similar issue with GUE on IPv6, I just realised the same thing might happen with a UDP-Lite inner payload. Also skip exception handling for inner UDP-Lite protocol. Fixes: 11789039 ("fou: Prevent unbounded recursion in GUE error handler") Signed-off-by:
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Yi-Hung Wei authored
The previous commit fa642f08 ("openvswitch: Derive IP protocol number for IPv6 later frags") introduces IP protocol number parsing for IPv6 later frags that can mess up the network header length calculation logic, i.e. nh_len < 0. However, the network header length calculation is mainly for deriving the transport layer header in the key extraction process which the later fragment does not apply. Therefore, this commit skips the network header length calculation to fix the issue. Reported-by:
Chris Mi <chrism@mellanox.com> Reported-by:
Greg Rose <gvrose8192@gmail.com> Fixes: fa642f08 ("openvswitch: Derive IP protocol number for IPv6 later frags") Signed-off-by:
Yi-Hung Wei <yihung.wei@gmail.com> Signed-off-by:
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Claudiu Beznea authored
Commit 653e92a9 ("net: macb: add support for padding and fcs computation") introduced a bug fixed by commit 899ecaed ("net: ethernet: cadence: fix socket buffer corruption problem"). Code removed in this patch is not reachable at all so remove it. Fixes: 653e92a9 ("net: macb: add support for padding and fcs computation") Cc: Tristram Ha <Tristram.Ha@microchip.com> Signed-off-by:
Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by:
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Linus Walleij authored
This driver does not use the old GPIO includes so drop them. Signed-off-by:
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David S. Miller authored
Denis Bolotin says: ==================== qed: Misc fixes in qed This patch series fixes 2 potential bugs in qed. Please consider applying to net. ==================== Signed-off-by: -
Denis Bolotin authored
Make sure chain element is updated before ringing the doorbell. Signed-off-by:
Denis Bolotin <dbolotin@marvell.com> Signed-off-by:
Ariel Elior <aelior@marvell.com> Signed-off-by:
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Denis Bolotin authored
In PBL chains with non power of 2 page count, the producer is not at the beginning of the chain when index is 0 after a wrap. Therefore, after the producer index wrap around, page index should be calculated more carefully. Signed-off-by:
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David Rientjes authored
Commit dcda9b04 ("mm, tree wide: replace __GFP_REPEAT by __GFP_RETRY_MAYFAIL with more useful semantic") replaced __GFP_REPEAT in alloc_skb_with_frags() with __GFP_RETRY_MAYFAIL when the allocation may directly reclaim. The previous behavior would require reclaim up to 1 << order pages for skb aligned header_len of order > PAGE_ALLOC_COSTLY_ORDER before failing, otherwise the allocations in alloc_skb() would loop in the page allocator looking for memory. __GFP_RETRY_MAYFAIL makes both allocations failable under memory pressure, including for the HEAD allocation. This can cause, among many other things, write() to fail with ENOTCONN during RPC when under memory pressure. These allocations should succeed as they did previous to dcda9b04 even if it requires calling the oom killer and additional looping in the page allocator to find memory. There is no way to specify the previous behavior of __GFP_REPEAT, but it's unlikely to be necessary since the previous behavior only guaranteed that 1 << order pages would be reclaimed before failing for order > PAGE_ALLOC_COSTLY_ORDER. That reclaim is not guaranteed to be contiguous memory, so repeating for such large orders is usually not beneficial. Removing the setting of __GFP_RETRY_MAYFAIL to restore the previous behavior, specifically not allowing alloc_skb() to fail for small orders and oom kill if necessary rather than allowing RPCs to fail. Fixes: dcda9b04 ("mm, tree wide: replace __GFP_REPEAT by __GFP_RETRY_MAYFAIL with more useful semantic") Signed-off-by:
David Rientjes <rientjes@google.com> Reviewed-by:
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Wen Yang authored
Currently there are some issues with the ucc_of_parse_tdm function: 1, a possible null pointer dereference in ucc_of_parse_tdm, detected by the semantic patch deref_null.cocci, with the following warning: drivers/soc/fsl/qe/qe_tdm.c:177:21-24: ERROR: pdev is NULL but dereferenced. 2, dev gets modified, so in any case that devm_iounmap() will fail even when the new pdev is valid, because the iomap was done with a different pdev. 3, there is no driver bind with the "fsl,t1040-qe-si" or "fsl,t1040-qe-siram" device. So allocating resources using devm_*() with these devices won't provide a cleanup path for these resources when the caller fails. This patch fixes them. Suggested-by:
Li Yang <leoyang.li@nxp.com> Suggested-by:
Christophe LEROY <christophe.leroy@c-s.fr> Signed-off-by:
Wen Yang <wen.yang99@zte.com.cn> Reviewed-by:
Peng Hao <peng.hao2@zte.com.cn> CC: Julia Lawall <julia.lawall@lip6.fr> CC: Zhao Qiang <qiang.zhao@nxp.com> CC: David S. Miller <davem@davemloft.net> CC: netdev@vger.kernel.org CC: linuxppc-dev@lists.ozlabs.org CC: linux-kernel@vger.kernel.org Signed-off-by:
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Kai-Heng Feng authored
There are two new Realtek Ethernet devices which are re-branded r8168h. Add the IDs to to support them. Signed-off-by:
Kai-Heng Feng <kai.heng.feng@canonical.com> Reviewed-by:
Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by:
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Arthur Gautier authored
This commit fixes a regression in AF_INET/RTM_GETADDR and AF_INET6/RTM_GETADDR. Before this commit, the kernel would stop dumping addresses once the first skb was full and end the stream with NLMSG_DONE(-EMSGSIZE). The error shouldn't be sent back to netlink_dump so the callback is kept alive. The userspace is expected to call back with a new empty skb. Changes from V1: - The error is not handled in netlink_dump anymore but rather in inet_dump_ifaddr and inet6_dump_addr directly as suggested by David Ahern. Fixes: d7e38611 ("net/ipv4: Put target net when address dump fails due to bad attributes") Fixes: 242afaa6 ("net/ipv6: Put target net when address dump fails due to bad attributes") Cc: David Ahern <dsahern@gmail.com> Cc: "David S . Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by:
Arthur Gautier <baloo@gandi.net> Reviewed-by:
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Christophe JAILLET authored
If an error occurs after the call to 'pci_alloc_irq_vectors()', we must call 'pci_free_irq_vectors()' in order to avoid a resource leak. The same sequence is already in place in the corresponding 'cgx_remove()' function. Fixes: 1463f382 ("octeontx2-af: Add support for CGX link management") Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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Linus Torvalds authored
Nobody has actually used the type (VERIFY_READ vs VERIFY_WRITE) argument of the user address range verification function since we got rid of the old racy i386-only code to walk page tables by hand. It existed because the original 80386 would not honor the write protect bit when in kernel mode, so you had to do COW by hand before doing any user access. But we haven't supported that in a long time, and these days the 'type' argument is a purely historical artifact. A discussion about extending 'user_access_begin()' to do the range checking resulted this patch, because there is no way we're going to move the old VERIFY_xyz interface to that model. And it's best done at the end of the merge window when I've done most of my merges, so let's just get this done once and for all. This patch was mostly done with a sed-script, with manual fix-ups for the cases that weren't of the trivial 'access_ok(VERIFY_xyz' form. There were a couple of notable cases: - csky still had the old "verify_area()" name as an alias. - the iter_iov code had magical hardcoded knowledge of the actual values of VERIFY_{READ,WRITE} (not that they mattered, since nothing really used it) - microblaze used the type argument for a debug printout but other than those oddities this should be a total no-op patch. I tried to fix up all architectures, did fairly extensive grepping for access_ok() uses, and the changes are trivial, but I may have missed something. Any missed conversion should be trivially fixable, though. Signed-off-by:Linus Torvalds <torvalds@linux-foundation.org>
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- 03 Jan, 2019 14 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linuxLinus Torvalds authored
Pull file locking bugfix from Jeff Layton: "This is a one-line fix for a bug that syzbot turned up in the new patches to mitigate the thundering herd when a lock is released" * tag 'locks-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux: locks: fix error in locks_move_blocks()
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "Among a few HD-audio fixes, the only significant one is the regression fix on some machines like Dell XPS due to the default binding changes. We ended up reverting the whole since the fix for ASoC HD-audio driver won't be available immediately" * tag 'sound-fix-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Revert DSP detection on legacy HD-audio driver ALSA: hda/tegra: clear pending irq handlers ALSA: hda/realtek: Enable the headset mic auto detection for ASUS laptops
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: "Several fixes here. Basically split down the line between newly introduced regressions and long existing problems: 1) Double free in tipc_enable_bearer(), from Cong Wang. 2) Many fixes to nf_conncount, from Florian Westphal. 3) op->get_regs_len() can throw an error, check it, from Yunsheng Lin. 4) Need to use GFP_ATOMIC in *_add_hash_mac_address() of fsl/fman driver, from Scott Wood. 5) Inifnite loop in fib_empty_table(), from Yue Haibing. 6) Use after free in ax25_fillin_cb(), from Cong Wang. 7) Fix socket locking in nr_find_socket(), also from Cong Wang. 8) Fix WoL wakeup enable in r8169, from Heiner Kallweit. 9) On 32-bit sock->sk_stamp is not thread-safe, from Deepa Dinamani. 10) Fix ptr_ring wrap during queue swap, from Cong Wang. 11) Missing shutdown callback in hinic driver, from Xue Chaojing. 12) Need to return NULL on error from ip6_neigh_lookup(), from Stefano Brivio. 13) BPF out of bounds speculation fixes from Daniel Borkmann" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (57 commits) ipv6: Consider sk_bound_dev_if when binding a socket to an address ipv6: Fix dump of specific table with strict checking bpf: add various test cases to selftests bpf: prevent out of bounds speculation on pointer arithmetic bpf: fix check_map_access smin_value test when pointer contains offset bpf: restrict unknown scalars of mixed signed bounds for unprivileged bpf: restrict stack pointer arithmetic for unprivileged bpf: restrict map value pointer arithmetic for unprivileged bpf: enable access to ax register also from verifier rewrite bpf: move tmp variable into ax register in interpreter bpf: move {prev_,}insn_idx into verifier env isdn: fix kernel-infoleak in capi_unlocked_ioctl ipv6: route: Fix return value of ip6_neigh_lookup() on neigh_create() error net/hamradio/6pack: use mod_timer() to rearm timers net-next/hinic:add shutdown callback net: hns3: call hns3_nic_net_open() while doing HNAE3_UP_CLIENT ip: validate header length on virtual device xmit tap: call skb_probe_transport_header after setting skb->dev ptr_ring: wrap back ->producer in __ptr_ring_swap_queue() net: rds: remove unnecessary NULL check ... -
David Ahern authored
IPv6 does not consider if the socket is bound to a device when binding to an address. The result is that a socket can be bound to eth0 and then bound to the address of eth1. If the device is a VRF, the result is that a socket can only be bound to an address in the default VRF. Resolve by considering the device if sk_bound_dev_if is set. This problem exists from the beginning of git history. Signed-off-by:
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David Ahern authored
Dump of a specific table with strict checking enabled is looping. The problem is that the end of the table dump is not marked in the cb. When dumping a specific table, cb args 0 and 1 are not used (they are the hash index and entry with an hash table index when dumping all tables). Re-use args[0] to hold a 'done' flag for the specific table dump. Fixes: 13e38901 ("net/ipv6: Plumb support for filtering route dumps") Reported-by:
Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input updates from Dmitry Torokhov: "A tiny pull request this merge window unfortunately, should get more material in for the next release: - new driver for Raspberry Pi's touchscreen (firmware interface) - miscellaneous input driver fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: elan_i2c - add ACPI ID for touchpad in ASUS Aspire F5-573G Input: atmel_mxt_ts - don't try to free unallocated kernel memory Input: drv2667 - fix indentation issues Input: touchscreen - fix coding style issue Input: add official Raspberry Pi's touchscreen driver Input: nomadik-ske-keypad - fix a loop timeout test Input: rotary-encoder - don't log EPROBE_DEFER to kernel log Input: olpc_apsp - remove set but not used variable 'np' Input: olpc_apsp - enable the SP clock Input: olpc_apsp - check FIFO status on open(), not probe() Input: olpc_apsp - drop CONFIG_OLPC dependency clk: mmp2: add SP clock dt-bindings: marvell,mmp2: Add clock id for the SP clock Input: ad7879 - drop platform data support
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git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds authored
Pull virtio/vhost updates from Michael Tsirkin: "Features, fixes, cleanups: - discard in virtio blk - misc fixes and cleanups" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: correct the related warning message vhost: split structs into a separate header file virtio: remove deprecated VIRTIO_PCI_CONFIG() vhost/vsock: switch to a mutex for vhost_vsock_hash virtio_blk: add discard and write zeroes support
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull more block updates from Jens Axboe: - Dead code removal for loop/sunvdc (Chengguang) - Mark BIDI support for bsg as deprecated, logging a single dmesg warning if anyone is actually using it (Christoph) - blkcg cleanup, killing a dead function and making the tryget_closest variant easier to read (Dennis) - Floppy fixes, one fixing a regression in swim3 (Finn) - lightnvm use-after-free fix (Gustavo) - gdrom leak fix (Wenwen) - a set of drbd updates (Lars, Luc, Nathan, Roland) * tag 'for-4.21/block-20190102' of git://git.kernel.dk/linux-block: (28 commits) block/swim3: Fix regression on PowerBook G3 block/swim3: Fix -EBUSY error when re-opening device after unmount block/swim3: Remove dead return statement block/amiflop: Don't log error message on invalid ioctl gdrom: fix a memory leak bug lightnvm: pblk: fix use-after-free bug block: sunvdc: remove redundant code block: loop: remove redundant code bsg: deprecate BIDI support in bsg blkcg: remove unused __blkg_release_rcu() blkcg: clean up blkg_tryget_closest() drbd: Change drbd_request_detach_interruptible's return type to int drbd: Avoid Clang warning about pointless switch statment drbd: introduce P_ZEROES (REQ_OP_WRITE_ZEROES on the "wire") drbd: skip spurious timeout (ping-timeo) when failing promote drbd: don't retry connection if peers do not agree on "authentication" settings drbd: fix print_st_err()'s prototype to match the definition drbd: avoid spurious self-outdating with concurrent disconnect / down drbd: do not block when adjusting "disk-options" while IO is frozen drbd: fix comment typos ...
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull libata fix from Jens Axboe: "This libata change missed the original libata pull request. Just a single fix in here, fixing a missed reference drop" * tag 'for-4.21/libata-20190102' of git://git.kernel.dk/linux-block: ata: pata_macio: add of_node_put()
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linuxLinus Torvalds authored
Pull more clk updates from Stephen Boyd: "One more patch to generalize a set of DT binding defines now before -rc1 comes out. This way the SoC DTS files can use the proper defines from a stable tag" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: imx8qxp: make the name of clock ID generic
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull device properties framework fixes from Rafael Wysocki: "Fix two potential NULL pointer dereferences found by Coverity in the software nodes code introduced recently (Colin Ian King)" * tag 'devprop-4.21-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: drivers: base: swnode: check if swnode is NULL before dereferencing it drivers: base: swnode: check if pointer p is NULL before dereferencing it
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git://git.linaro.org/landing-teams/working/fujitsu/integrationLinus Torvalds authored
Pull mailbox updates from Jassi Brar: - Introduce device-managed registration devm_mbox_controller_un/register and convert drivers to use it - Introduce flush api to support clients that must busy-wait in atomic context - Support multiple controllers per device - Hi3660: a bugfix and constify ops structure - TI-MsgMgr: off by one bugfix. - BCM: switch to spdx license - Tegra-HSP: support for shared mailboxes and suspend/resume. * tag 'mailbox-v4.21' of git://git.linaro.org/landing-teams/working/fujitsu/integration: (30 commits) mailbox: tegra-hsp: Use device-managed registration API mailbox: tegra-hsp: use devm_kstrdup_const() mailbox: tegra-hsp: Add suspend/resume support mailbox: tegra-hsp: Add support for shared mailboxes dt-bindings: tegra186-hsp: Add shared mailboxes mailbox: Allow multiple controllers per device mailbox: Support blocking transfers in atomic context mailbox: ti-msgmgr: Use device-managed registration API mailbox: stm32-ipcc: Use device-managed registration API mailbox: rockchip: Use device-managed registration API mailbox: qcom-apcs: Use device-managed registration API mailbox: platform-mhu: Use device-managed registration API mailbox: omap: Use device-managed registration API mailbox: mtk-cmdq: Remove needless devm_kfree() calls mailbox: mtk-cmdq: Use device-managed registration API mailbox: xgene-slimpro: Use device-managed registration API mailbox: sti: Use device-managed registration API mailbox: altera: Use device-managed registration API mailbox: imx: Use device-managed registration API mailbox: hi6220: Use device-managed registration API ...
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/umlLinus Torvalds authored
Pull UML updates from Richard Weinberger: - DISCARD support for our block device driver - Many TLB flush optimizations - Various smaller fixes - And most important, Anton agreed to help me maintaining UML * 'for-linus-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Remove obsolete reenable_XX calls um: writev needs <sys/uio.h> Add Anton Ivanov to UML maintainers um: remove redundant generic-y um: Optimize Flush TLB for force/fork case um: Avoid marking pages with "changed protection" um: Skip TLB flushing where not needed um: Optimize TLB operations v2 um: Remove unnecessary faulted check in uaccess.c um: Add support for DISCARD in the UBD Driver um: Remove unsafe printks from the io thread um: Clean-up command processing in UML UBD driver um: Switch to block-mq constants in the UML UBD driver um: Make GCOV depend on !KCOV um: Include sys/uio.h to have writev() um: Add HAVE_DEBUG_BUGVERBOSE um: Update maintainers file entry
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 updates from Martin Schwidefsky: - A larger update for the zcrypt / AP bus code: + Update two inline assemblies in the zcrypt driver to make gcc happy + Add a missing reply code for invalid special commands for zcrypt + Allow AP device reset to be triggered from user space + Split the AP scan function into smaller, more readable functions - Updates for vfio-ccw and vfio-ap + Add maintainers and reviewer for vfio-ccw + Include facility.h in vfio_ap_drv.c to avoid fragile include chain + Simplicy vfio-ccw state machine - Use the common code version of bust_spinlocks - Make use of the DEFINE_SHOW_ATTRIBUTE - Fix three incorrect file permissions in the DASD driver - Remove bit spin-lock from the PCI interrupt handler - Fix GFP_ATOMIC vs GFP_KERNEL in the PCI code * tag 's390-4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/zcrypt: rework ap scan bus code s390/zcrypt: make sysfs reset attribute trigger queue reset s390/pci: fix sleeping in atomic during hotplug s390/pci: remove bit_lock usage in interrupt handler s390/drivers: fix proc/debugfs file permissions s390: convert to DEFINE_SHOW_ATTRIBUTE MAINTAINERS/vfio-ccw: add Farhan and Eric, make Halil Reviewer vfio: ccw: Merge BUSY and BOXED states s390: use common bust_spinlocks() s390/zcrypt: improve special ap message cmd handling s390/ap: rework assembler functions to use unions for in/out register variables s390: vfio-ap: include <asm/facility> for test_facility()
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