- 19 Aug, 2020 40 commits
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Evgeny Novikov authored
[ Upstream commit 2468c877 ] Driver does not release memory for device on error handling paths in net2280_probe() when gadget_release() is not registered yet. The patch fixes the bug like in other similar drivers. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
Evgeny Novikov <novikov@ispras.ru> Signed-off-by:
Felipe Balbi <balbi@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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Dmitry Osipenko authored
[ Upstream commit 35681862 ] Once channel's job is hung, it dumps the channel's state into KMSG before tearing down the offending job. If multiple channels hang at once, then they dump messages simultaneously, making the debug info unreadable, and thus, useless. This patch adds mutex which allows only one channel to emit debug messages at a time. Signed-off-by:
Dmitry Osipenko <digetx@gmail.com> Signed-off-by:
Thierry Reding <treding@nvidia.com> Signed-off-by:
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Bolarinwa Olayemi Saheed authored
[ Upstream commit 9018fd7f ] On failure pcie_capability_read_dword() sets it's last parameter, val to 0. However, with Patch 14/14, it is possible that val is set to ~0 on failure. This would introduce a bug because (x & x) == (~0 & x). This bug can be avoided without changing the function's behaviour if the return value of pcie_capability_read_dword is checked to confirm success. Check the return value of pcie_capability_read_dword() to ensure success. Suggested-by:
Bjorn Helgaas <bjorn@helgaas.com> Signed-off-by:
Bolarinwa Olayemi Saheed <refactormyself@gmail.com> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200713175529.29715-3-refactormyself@gmail.comSigned-off-by:
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Wright Feng authored
[ Upstream commit fcdd7a87 ] When USB or SDIO device got abnormal bus disconnection, host driver tried to clean up the skbs in PSQ and TXQ (The skb's pointer in hanger slot linked to PSQ and TSQ), so we should set the state of skb hanger slot to BRCMF_FWS_HANGER_ITEM_STATE_FREE before freeing skb. In brcmf_fws_bus_txq_cleanup it already sets BRCMF_FWS_HANGER_ITEM_STATE_FREE before freeing skb, therefore we add the same thing in brcmf_fws_psq_flush to avoid following warning message. [ 1580.012880] ------------ [ cut here ]------------ [ 1580.017550] WARNING: CPU: 3 PID: 3065 at drivers/net/wireless/broadcom/brcm80211/brcmutil/utils.c:49 brcmu_pkt_buf_free_skb+0x21/0x30 [brcmutil] [ 1580.184017] Call Trace: [ 1580.186514] brcmf_fws_cleanup+0x14e/0x190 [brcmfmac] [ 1580.191594] brcmf_fws_del_interface+0x70/0x90 [brcmfmac] [ 1580.197029] brcmf_proto_bcdc_del_if+0xe/0x10 [brcmfmac] [ 1580.202418] brcmf_remove_interface+0x69/0x190 [brcmfmac] [ 1580.207888] brcmf_detach+0x90/0xe0 [brcmfmac] [ 1580.212385] brcmf_usb_disconnect+0x76/0xb0 [brcmfmac] [ 1580.217557] usb_unbind_interface+0x72/0x260 [ 1580.221857] device_release_driver_internal+0x141/0x200 [ 1580.227152] device_release_driver+0x12/0x20 [ 1580.231460] bus_remove_device+0xfd/0x170 [ 1580.235504] device_del+0x1d9/0x300 [ 1580.239041] usb_disable_device+0x9e/0x270 [ 1580.243160] usb_disconnect+0x94/0x270 [ 1580.246980] hub_event+0x76d/0x13b0 [ 1580.250499] process_one_work+0x144/0x360 [ 1580.254564] worker_thread+0x4d/0x3c0 [ 1580.258247] kthread+0x109/0x140 [ 1580.261515] ? rescuer_thread+0x340/0x340 [ 1580.265543] ? kthread_park+0x60/0x60 [ 1580.269237] ? SyS_exit_group+0x14/0x20 [ 1580.273118] ret_from_fork+0x25/0x30 [ 1580.300446] ------------ [ cut here ]------------ Acked-by:
Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by:
Wright Feng <wright.feng@cypress.com> Signed-off-by:
Chi-hsien Lin <chi-hsien.lin@cypress.com> Signed-off-by:
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Prasanna Kerekoppa authored
[ Upstream commit fa326654 ] Bss info flag definition need to be fixed from 0x2 to 0x4 This flag is for rssi info received on channel. All Firmware branches defined as 0x4 and this is bug in brcmfmac. Signed-off-by:
Prasanna Kerekoppa <prasanna.kerekoppa@cypress.com> Signed-off-by:
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Wright Feng authored
[ Upstream commit eccbf46b ] brcmfmac host driver makes SDIO bus sleep and stops SDIO watchdog if no pending event or data. As a result, host driver does not poll firmware console buffer before buffer overflow, which leads to missing firmware logs. We should not stop SDIO watchdog if console_interval is non-zero in debug build. Signed-off-by:
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Paul E. McKenney authored
[ Upstream commit 0a3b3c25 ] A large process running on a heavily loaded system can encounter the following RCU CPU stall warning: rcu: INFO: rcu_sched self-detected stall on CPU rcu: 3-....: (20998 ticks this GP) idle=4ea/1/0x4000000000000002 softirq=556558/556558 fqs=5190 (t=21013 jiffies g=1005461 q=132576) NMI backtrace for cpu 3 CPU: 3 PID: 501900 Comm: aio-free-ring-w Kdump: loaded Not tainted 5.2.9-108_fbk12_rc3_3858_gb83b75af7909 #1 Hardware name: Wiwynn HoneyBadger/PantherPlus, BIOS HBM6.71 02/03/2016 Call Trace: <IRQ> dump_stack+0x46/0x60 nmi_cpu_backtrace.cold.3+0x13/0x50 ? lapic_can_unplug_cpu.cold.27+0x34/0x34 nmi_trigger_cpumask_backtrace+0xba/0xca rcu_dump_cpu_stacks+0x99/0xc7 rcu_sched_clock_irq.cold.87+0x1aa/0x397 ? tick_sched_do_timer+0x60/0x60 update_process_times+0x28/0x60 tick_sched_timer+0x37/0x70 __hrtimer_run_queues+0xfe/0x270 hrtimer_interrupt+0xf4/0x210 smp_apic_timer_interrupt+0x5e/0x120 apic_timer_interrupt+0xf/0x20 </IRQ> RIP: 0010:kmem_cache_free+0x223/0x300 Code: 88 00 00 00 0f 85 ca 00 00 00 41 8b 55 18 31 f6 f7 da 41 f6 45 0a 02 40 0f 94 c6 83 c6 05 9c 41 5e fa e8 a0 a7 01 00 41 56 9d <49> 8b 47 08 a8 03 0f 85 87 00 00 00 65 48 ff 08 e9 3d fe ff ff 65 RSP: 0018:ffffc9000e8e3da8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000020000 RBX: ffff88861b9de960 RCX: 0000000000000030 RDX: fffffffffffe41e8 RSI: 000060777fe3a100 RDI: 000000000001be18 RBP: ffffea00186e7780 R08: ffffffffffffffff R09: ffffffffffffffff R10: ffff88861b9dea28 R11: ffff88887ffde000 R12: ffffffff81230a1f R13: ffff888854684dc0 R14: 0000000000000206 R15: ffff8888547dbc00 ? remove_vma+0x4f/0x60 remove_vma+0x4f/0x60 exit_mmap+0xd6/0x160 mmput+0x4a/0x110 do_exit+0x278/0xae0 ? syscall_trace_enter+0x1d3/0x2b0 ? handle_mm_fault+0xaa/0x1c0 do_group_exit+0x3a/0xa0 __x64_sys_exit_group+0x14/0x20 do_syscall_64+0x42/0x100 entry_SYSCALL_64_after_hwframe+0x44/0xa9 And on a PREEMPT=n kernel, the "while (vma)" loop in exit_mmap() can run for a very long time given a large process. This commit therefore adds a cond_resched() to this loop, providing RCU any needed quiescent states. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: <linux-mm@kvack.org> Reviewed-by:
Shakeel Butt <shakeelb@google.com> Reviewed-by:
Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by:
Paul E. McKenney <paulmck@kernel.org> Signed-off-by:
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Bartosz Golaszewski authored
[ Upstream commit 6eeb997a ] This driver may take a regular spinlock when a raw spinlock (irq_desc->lock) is already taken which results in the following lockdep splat: ============================= [ BUG: Invalid wait context ] 5.7.0-rc7 #1 Not tainted ----------------------------- swapper/0/0 is trying to lock: ffffff800303b798 (&chip_data->lock){....}-{3:3}, at: mtk_sysirq_set_type+0x48/0xc0 other info that might help us debug this: context-{5:5} 2 locks held by swapper/0/0: #0: ffffff800302ee68 (&desc->request_mutex){....}-{4:4}, at: __setup_irq+0xc4/0x8a0 #1: ffffff800302ecf0 (&irq_desc_lock_class){....}-{2:2}, at: __setup_irq+0xe4/0x8a0 stack backtrace: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc7 #1 Hardware name: Pumpkin MT8516 (DT) Call trace: dump_backtrace+0x0/0x180 show_stack+0x14/0x20 dump_stack+0xd0/0x118 __lock_acquire+0x8c8/0x2270 lock_acquire+0xf8/0x470 _raw_spin_lock_irqsave+0x50/0x78 mtk_sysirq_set_type+0x48/0xc0 __irq_set_trigger+0x58/0x170 __setup_irq+0x420/0x8a0 request_threaded_irq+0xd8/0x190 timer_of_init+0x1e8/0x2c4 mtk_gpt_init+0x5c/0x1dc timer_probe+0x74/0xf4 time_init+0x14/0x44 start_kernel+0x394/0x4f0 Replace the spinlock_t with raw_spinlock_t to avoid this warning. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200615074445.3579-1-brgl@bgdev.plSigned-off-by:
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Christian König authored
[ Upstream commit ba806f98 ] Always use the PCI GART instead. We just have to many cases where AGP still causes problems. This means a performance regression for some GPUs, but also a bug fix for some others. Signed-off-by:
Christian König <christian.koenig@amd.com> Reviewed-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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Michael Tretter authored
[ Upstream commit c704b170 ] Using plain echo to set the "force" connector attribute fails with -EINVAL, because echo appends a newline to the output. Replace strcmp with sysfs_streq to also accept strings that end with a newline. v2: use sysfs_streq instead of stripping trailing whitespace Signed-off-by:
Michael Tretter <m.tretter@pengutronix.de> Reviewed-by:
Jani Nikula <jani.nikula@intel.com> Signed-off-by:
Emil Velikov <emil.l.velikov@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170817104307.17124-1-m.tretter@pengutronix.deSigned-off-by:
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Chunfeng Yun authored
[ Upstream commit f1e51e99 ] If not clear u3port's dual mode when disable device, the IP will fail to enter sleep mode when suspend. Signed-off-by:
Chunfeng Yun <chunfeng.yun@mediatek.com> Link: https://lore.kernel.org/r/1595834101-13094-10-git-send-email-chunfeng.yun@mediatek.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Aditya Pakki authored
[ Upstream commit 659fb5f1 ] On calling pm_runtime_get_sync() the reference count of the device is incremented. In case of failure, decrement the ref count before returning the error. Signed-off-by:
Aditya Pakki <pakki001@umn.edu> Signed-off-by:
Ben Skeggs <bskeggs@redhat.com> Signed-off-by:
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Navid Emamdoost authored
[ Upstream commit c5d5a32e ] in etnaviv_gpu_submit, etnaviv_gpu_recover_hang, etnaviv_gpu_debugfs, and etnaviv_gpu_init the call to pm_runtime_get_sync increments the counter even in case of failure, leading to incorrect ref count. In case of failure, decrement the ref count before returning. Signed-off-by:
Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by:
Lucas Stach <l.stach@pengutronix.de> Signed-off-by:
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Ricardo Cañuelo authored
[ Upstream commit bbe28fc3 ] hi3660-hikey960.dts: Define a 'ports' node for 'adv7533: adv7533@39' and the 'adi,dsi-lanes' property to make it compliant with the adi,adv7533 DT binding. This fills the requirements to meet the binding requirements, remote endpoints are not defined. hi6220-hikey.dts: Change property name s/pd-gpio/pd-gpios, gpio properties should be plural. This is just a cosmetic change. Signed-off-by:
Ricardo Cañuelo <ricardo.canuelo@collabora.com> Acked-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
Wei Xu <xuwei5@hisilicon.com> Signed-off-by:
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Zhao Heming authored
[ Upstream commit 60f80d6f ] reproduction steps: ``` node1 # mdadm -C /dev/md0 -b clustered -e 1.2 -n 2 -l mirror /dev/sda /dev/sdb node2 # mdadm -A /dev/md0 /dev/sda /dev/sdb node1 # mdadm -G /dev/md0 -b none mdadm: failed to remove clustered bitmap. node1 # mdadm -S --scan ^C <==== mdadm hung & kernel crash ``` kernel stack: ``` [ 335.230657] general protection fault: 0000 [#1] SMP NOPTI [...] [ 335.230848] Call Trace: [ 335.230873] ? unlock_all_bitmaps+0x5/0x70 [md_cluster] [ 335.230886] unlock_all_bitmaps+0x3d/0x70 [md_cluster] [ 335.230899] leave+0x10f/0x190 [md_cluster] [ 335.230932] ? md_super_wait+0x93/0xa0 [md_mod] [ 335.230947] ? leave+0x5/0x190 [md_cluster] [ 335.230973] md_cluster_stop+0x1a/0x30 [md_mod] [ 335.230999] md_bitmap_free+0x142/0x150 [md_mod] [ 335.231013] ? _cond_resched+0x15/0x40 [ 335.231025] ? mutex_lock+0xe/0x30 [ 335.231056] __md_stop+0x1c/0xa0 [md_mod] [ 335.231083] do_md_stop+0x160/0x580 [md_mod] [ 335.231119] ? 0xffffffffc05fb078 [ 335.231148] md_ioctl+0xa04/0x1930 [md_mod] [ 335.231165] ? filename_lookup+0xf2/0x190 [ 335.231179] blkdev_ioctl+0x93c/0xa10 [ 335.231205] ? _cond_resched+0x15/0x40 [ 335.231214] ? __check_object_size+0xd4/0x1a0 [ 335.231224] block_ioctl+0x39/0x40 [ 335.231243] do_vfs_ioctl+0xa0/0x680 [ 335.231253] ksys_ioctl+0x70/0x80 [ 335.231261] __x64_sys_ioctl+0x16/0x20 [ 335.231271] do_syscall_64+0x65/0x1f0 [ 335.231278] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ``` Signed-off-by:
Zhao Heming <heming.zhao@suse.com> Signed-off-by:
Song Liu <songliubraving@fb.com> Signed-off-by:
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Evgeny Novikov authored
[ Upstream commit edcb3895 ] neofb_probe() calls neo_scan_monitor() that can successfully allocate a memory for info->monspecs.modedb and proceed to case 0x03. There it does not free the memory and returns -1. neofb_probe() goes to label err_scan_monitor, thus, it does not free this memory through calling fb_destroy_modedb() as well. We can not go to label err_init_hw since neo_scan_monitor() can fail during memory allocation. So, the patch frees the memory directly for case 0x03. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200630195451.18675-1-novikov@ispras.ruSigned-off-by:
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Sedat Dilek authored
[ Upstream commit 3347c8a0 ] When building with LLVM_IAS=1 means using Clang's Integrated Assembly (IAS) from LLVM/Clang >= v10.0.1-rc1+ instead of GNU/as from GNU/binutils I see the following breakage in Debian/testing AMD64: <instantiation>:15:74: error: too many positional arguments PRECOMPUTE 8*3+8(%rsp), %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, ^ arch/x86/crypto/aesni-intel_asm.S:1598:2: note: while in macro instantiation GCM_INIT %r9, 8*3 +8(%rsp), 8*3 +16(%rsp), 8*3 +24(%rsp) ^ <instantiation>:47:2: error: unknown use of instruction mnemonic without a size suffix GHASH_4_ENCRYPT_4_PARALLEL_dec %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, enc ^ arch/x86/crypto/aesni-intel_asm.S:1599:2: note: while in macro instantiation GCM_ENC_DEC dec ^ <instantiation>:15:74: error: too many positional arguments PRECOMPUTE 8*3+8(%rsp), %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, ^ arch/x86/crypto/aesni-intel_asm.S:1686:2: note: while in macro instantiation GCM_INIT %r9, 8*3 +8(%rsp), 8*3 +16(%rsp), 8*3 +24(%rsp) ^ <instantiation>:47:2: error: unknown use of instruction mnemonic without a size suffix GHASH_4_ENCRYPT_4_PARALLEL_enc %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, enc ^ arch/x86/crypto/aesni-intel_asm.S:1687:2: note: while in macro instantiation GCM_ENC_DEC enc Craig Topper suggested me in ClangBuiltLinux issue #1050: > I think the "too many positional arguments" is because the parser isn't able > to handle the trailing commas. > > The "unknown use of instruction mnemonic" is because the macro was named > GHASH_4_ENCRYPT_4_PARALLEL_DEC but its being instantiated with > GHASH_4_ENCRYPT_4_PARALLEL_dec I guess gas ignores case on the > macro instantiation, but llvm doesn't. First, I removed the trailing comma in the PRECOMPUTE line. Second, I substituted: 1. GHASH_4_ENCRYPT_4_PARALLEL_DEC -> GHASH_4_ENCRYPT_4_PARALLEL_dec 2. GHASH_4_ENCRYPT_4_PARALLEL_ENC -> GHASH_4_ENCRYPT_4_PARALLEL_enc With these changes I was able to build with LLVM_IAS=1 and boot on bare metal. I confirmed that this works with Linux-kernel v5.7.5 final. NOTE: This patch is on top of Linux v5.7 final. Thanks to Craig and especially Nick for double-checking and his comments. Suggested-by:
Craig Topper <craig.topper@intel.com> Suggested-by:
Craig Topper <craig.topper@gmail.com> Suggested-by:
Nick Desaulniers <ndesaulniers@google.com> Reviewed-by:
Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Aditya Pakki authored
[ Upstream commit 9fb10671 ] On calling pm_runtime_get_sync() the reference count of the device is incremented. In case of failure, decrement the reference count before returning the error. Acked-by:
Evan Quan <evan.quan@amd.com> Signed-off-by:
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Jack Xiao authored
[ Upstream commit 55611b50 ] Check if irq_src is NULL to avoid dereferencing a NULL pointer, for MES ring is uneccessary to recieve an interrupt notification. Signed-off-by:
Jack Xiao <Jack.Xiao@amd.com> Acked-by:
Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by:
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Paul E. McKenney authored
[ Upstream commit 9f47eb54 ] Very large I/Os can cause the following RCU CPU stall warning: RIP: 0010:rb_prev+0x8/0x50 Code: 49 89 c0 49 89 d1 48 89 c2 48 89 f8 e9 e5 fd ff ff 4c 89 48 10 c3 4c = 89 06 c3 4c 89 40 10 c3 0f 1f 00 48 8b 0f 48 39 cf 74 38 <48> 8b 47 10 48 85 c0 74 22 48 8b 50 08 48 85 d2 74 0c 48 89 d0 48 RSP: 0018:ffffc9002212bab0 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13 RAX: ffff888821f93630 RBX: ffff888821f93630 RCX: ffff888821f937e0 RDX: 0000000000000000 RSI: 0000000000102000 RDI: ffff888821f93630 RBP: 0000000000103000 R08: 000000000006c000 R09: 0000000000000238 R10: 0000000000102fff R11: ffffc9002212bac8 R12: 0000000000000001 R13: ffffffffffffffff R14: 0000000000102000 R15: ffff888821f937e0 __lookup_extent_mapping+0xa0/0x110 try_release_extent_mapping+0xdc/0x220 btrfs_releasepage+0x45/0x70 shrink_page_list+0xa39/0xb30 shrink_inactive_list+0x18f/0x3b0 shrink_lruvec+0x38e/0x6b0 shrink_node+0x14d/0x690 do_try_to_free_pages+0xc6/0x3e0 try_to_free_mem_cgroup_pages+0xe6/0x1e0 reclaim_high.constprop.73+0x87/0xc0 mem_cgroup_handle_over_high+0x66/0x150 exit_to_usermode_loop+0x82/0xd0 do_syscall_64+0xd4/0x100 entry_SYSCALL_64_after_hwframe+0x44/0xa9 On a PREEMPT=n kernel, the try_release_extent_mapping() function's "while" loop might run for a very long time on a large I/O. This commit therefore adds a cond_resched() to this loop, providing RCU any needed quiescent states. Signed-off-by:
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Luis Chamberlain authored
[ Upstream commit 200f9337 ] Be pedantic on removal as well and hold the mutex. This should prevent uses of addition while we exit. Signed-off-by:
Luis Chamberlain <mcgrof@kernel.org> Reviewed-by:
Ming Lei <ming.lei@redhat.com> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Jens Axboe <axboe@kernel.dk> Signed-off-by:
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Lihong Kou authored
[ Upstream commit f9c70bdc ] In the case we set or free the global value listen_chan in different threads, we can encounter the UAF problems because the method is not protected by any lock, add one to avoid this bug. BUG: KASAN: use-after-free in l2cap_chan_close+0x48/0x990 net/bluetooth/l2cap_core.c:730 Read of size 8 at addr ffff888096950000 by task kworker/1:102/2868 CPU: 1 PID: 2868 Comm: kworker/1:102 Not tainted 5.5.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events do_enable_set Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fb/0x318 lib/dump_stack.c:118 print_address_description+0x74/0x5c0 mm/kasan/report.c:374 __kasan_report+0x149/0x1c0 mm/kasan/report.c:506 kasan_report+0x26/0x50 mm/kasan/common.c:641 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135 l2cap_chan_close+0x48/0x990 net/bluetooth/l2cap_core.c:730 do_enable_set+0x660/0x900 net/bluetooth/6lowpan.c:1074 process_one_work+0x7f5/0x10f0 kernel/workqueue.c:2264 worker_thread+0xbbc/0x1630 kernel/workqueue.c:2410 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Allocated by task 2870: save_stack mm/kasan/common.c:72 [inline] set_track mm/kasan/common.c:80 [inline] __kasan_kmalloc+0x118/0x1c0 mm/kasan/common.c:515 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:529 kmem_cache_alloc_trace+0x221/0x2f0 mm/slab.c:3551 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:669 [inline] l2cap_chan_create+0x50/0x320 net/bluetooth/l2cap_core.c:446 chan_create net/bluetooth/6lowpan.c:640 [inline] bt_6lowpan_listen net/bluetooth/6lowpan.c:959 [inline] do_enable_set+0x6a4/0x900 net/bluetooth/6lowpan.c:1078 process_one_work+0x7f5/0x10f0 kernel/workqueue.c:2264 worker_thread+0xbbc/0x1630 kernel/workqueue.c:2410 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Freed by task 2870: save_stack mm/kasan/common.c:72 [inline] set_track mm/kasan/common.c:80 [inline] kasan_set_free_info mm/kasan/common.c:337 [inline] __kasan_slab_free+0x12e/0x1e0 mm/kasan/common.c:476 kasan_slab_free+0xe/0x10 mm/kasan/common.c:485 __cache_free mm/slab.c:3426 [inline] kfree+0x10d/0x220 mm/slab.c:3757 l2cap_chan_destroy net/bluetooth/l2cap_core.c:484 [inline] kref_put include/linux/kref.h:65 [inline] l2cap_chan_put+0x170/0x190 net/bluetooth/l2cap_core.c:498 do_enable_set+0x66c/0x900 net/bluetooth/6lowpan.c:1075 process_one_work+0x7f5/0x10f0 kernel/workqueue.c:2264 worker_thread+0xbbc/0x1630 kernel/workqueue.c:2410 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 The buggy address belongs to the object at ffff888096950000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 0 bytes inside of 2048-byte region [ffff888096950000, ffff888096950800) The buggy address belongs to the page: page:ffffea00025a5400 refcount:1 mapcount:0 mapping:ffff8880aa400e00 index:0x0 flags: 0xfffe0000000200(slab) raw: 00fffe0000000200 ffffea00027d1548 ffffea0002397808 ffff8880aa400e00 raw: 0000000000000000 ffff888096950000 0000000100000001 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88809694ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88809694ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888096950000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888096950080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888096950100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== Reported-by: syzbot+96414aa0033c363d8458@syzkaller.appspotmail.com Signed-off-by:
Lihong Kou <koulihong@huawei.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
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Maulik Shah authored
[ Upstream commit 1a53ce9a ] rpmh-rsc driver is fairly core to system and should not be removable once its probed. However it allows to unbind driver from sysfs using below command which results into a crash on sc7180. echo 18200000.rsc > /sys/bus/platform/drivers/rpmh/unbind Lets prevent unbind at runtime by setting suppress_bind_attrs flag. Reviewed-by:
Stephen Boyd <swboyd@chromium.org> Signed-off-by:
Maulik Shah <mkshah@codeaurora.org> Link: https://lore.kernel.org/r/1592808805-2437-1-git-send-email-mkshah@codeaurora.orgSigned-off-by:
Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by:
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Tomi Valkeinen authored
[ Upstream commit 3f9c1c87 ] If videomode_from_timings() returns true, the mode allocated with drm_mode_create will be leaked. Also, the return value of drm_mode_create() is never checked, and thus could cause NULL deref. Fix these two issues. Signed-off-by:
Tomi Valkeinen <tomi.valkeinen@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200429104234.18910-1-tomi.valkeinen@ti.comReviewed-by:
Jyri Sarha <jsarha@ti.com> Acked-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Yu Kuai authored
[ Upstream commit 3ad7b4e8 ] if of_find_device_by_node() succeed, socfpga_setup_ocram_self_refresh doesn't have a corresponding put_device(). Thus add a jump target to fix the exception handling for this function implementation. Fixes: 44fd8c7d ("ARM: socfpga: support suspend to ram") Signed-off-by:
Yu Kuai <yukuai3@huawei.com> Signed-off-by:
Dinh Nguyen <dinguyen@kernel.org> Signed-off-by:
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Dilip Kota authored
[ Upstream commit 661ccf2b ] In full duplex mode, rx overflow error is observed. To overcome the error, wait until the complete data got received and proceed further. Fixes: 17f84b79 ("spi: lantiq-ssc: add support for Lantiq SSC SPI controller") Signed-off-by:
Dilip Kota <eswara.kota@linux.intel.com> Link: https://lore.kernel.org/r/efb650b0faa49a00788c4e0ca8ef7196bdba851d.1594957019.git.eswara.kota@linux.intel.comSigned-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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yu kuai authored
[ Upstream commit f87a4f02 ] if of_find_device_by_node() succeed, at91_pm_sram_init() doesn't have a corresponding put_device(). Thus add a jump target to fix the exception handling for this function implementation. Fixes: d2e46790 ("ARM: at91: pm: use the mmio-sram pool to access SRAM") Signed-off-by:
Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20200604123301.3905837-1-yukuai3@huawei.comSigned-off-by:
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Niklas Söderlund authored
[ Upstream commit 59692ac5 ] When adding the adv7612 device node the ports node was misspelled as port, fix this. Fixes: bc63cd87 ("ARM: dts: gose: add HDMI input") Signed-off-by:
Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Link: https://lore.kernel.org/r/20200713111016.523189-1-niklas.soderlund+renesas@ragnatech.seSigned-off-by:
Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by:
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Niklas Söderlund authored
[ Upstream commit d344234a ] When adding the adv7180 device node the ports node was misspelled as port, fix this. Fixes: 8cae3590 ("ARM: dts: gose: add composite video input") Signed-off-by:
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Lu Wei authored
[ Upstream commit 64dd4a5a ] In the function check_acpi_dev(), if it fails to create platform device, the return value is ERR_PTR() or NULL. Thus it must use IS_ERR_OR_NULL() to check return value. Fixes: 332e0812 ("intel-vbtn: new driver for Intel Virtual Button") Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Lu Wei <luwei32@huawei.com> Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Lu Wei authored
[ Upstream commit 71fbe886 ] In the function check_acpi_dev(), if it fails to create platform device, the return value is ERR_PTR() or NULL. Thus it must use IS_ERR_OR_NULL() to check return value. Fixes: ecc83e52 ("intel-hid: new hid event driver for hotkeys") Reported-by:
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Finn Thain authored
[ Upstream commit 931fc82a ] When writing values to the IOP status/control register make sure those values do not have any extraneous bits that will clear interrupt flags. To place the SCC IOP into bypass mode would be desirable but this is not achieved by writing IOP_DMAINACTIVE | IOP_RUN | IOP_AUTOINC | IOP_BYPASS to the control register. Drop this ineffective register write. Remove the flawed and unused iop_bypass() function. Make use of the unused iop_stop() function. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Signed-off-by:
Finn Thain <fthain@telegraphics.com.au> Tested-by:
Stan Johnson <userm57@yahoo.com> Cc: Joshua Thompson <funaho@jurai.org> Link: https://lore.kernel.org/r/09bcb7359a1719a18b551ee515da3c4c3cf709e6.1590880333.git.fthain@telegraphics.com.auSigned-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Finn Thain authored
[ Upstream commit aeb445bf ] In the following sequence of calls, iop_do_send() gets called when the "send" channel is not in the IOP_MSG_IDLE state: iop_ism_irq() iop_handle_send() (msg->handler)() iop_send_message() iop_do_send() Avoid this by testing the channel state before calling iop_do_send(). When sending, and iop_send_queue is empty, call iop_do_send() because the channel is idle. If iop_send_queue is not empty, iop_do_send() will get called later by iop_handle_send(). Fixes: 1da177e4 ("Linux-2.6.12-rc2") Signed-off-by:
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Sudeep Holla authored
[ Upstream commit fcd2e0de ] Currently we are not initializing the scmi clock with discrete rates correctly. We fetch the min_rate and max_rate value only for clocks with ranges and ignore the ones with discrete rates. This will lead to wrong initialization of rate range when clock supports discrete rate. Fix this by using the first and the last rate in the sorted list of the discrete clock rates while registering the clock. Link: https://lore.kernel.org/r/20200709081705.46084-2-sudeep.holla@arm.com Fixes: 6d6a1d82 ("clk: add support for clocks provided by SCMI") Reviewed-by:
Stephen Boyd <sboyd@kernel.org> Reported-and-tested-by:
Dien Pham <dien.pham.ry@renesas.com> Signed-off-by:
Sudeep Holla <sudeep.holla@arm.com> Signed-off-by:
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Alim Akhtar authored
[ Upstream commit b072714b ] Once regulators are disabled after kernel boot, on Espresso board silent hang observed because of LDO7 being disabled. LDO7 actually provide power to CPU cores and non-cpu blocks circuitries. Keep this regulator always-on to fix this hang. Fixes: 9589f772 ("arm64: dts: Add S2MPS15 PMIC node on exynos7-espresso") Signed-off-by:
Alim Akhtar <alim.akhtar@samsung.com> Signed-off-by:
Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by:
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Cristian Marussi authored
[ Upstream commit e0f1a30c ] When, at probe time, an SCMI communication failure inhibits the capacity to query power domains states, such domains should be skipped. Registering partially initialized SCMI power domains with genpd will causes kernel panic. arm-scmi timed out in resp(caller: scmi_power_state_get+0xa4/0xd0) scmi-power-domain scmi_dev.2: failed to get state for domain 9 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 Mem abort info: ESR = 0x96000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=00000009f3691000 [0000000000000000] pgd=00000009f1ca0003, p4d=00000009f1ca0003, pud=00000009f35ea003, pmd=0000000000000000 Internal error: Oops: 96000006 [#1] PREEMPT SMP CPU: 2 PID: 381 Comm: bash Not tainted 5.8.0-rc1-00011-gebd118c2cca8 #2 Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno Development Platform, BIOS EDK II Jan 3 2020 Internal error: Oops: 96000006 [#1] PREEMPT SMP pstate: 80000005 (Nzcv daif -PAN -UAO BTYPE=--) pc : of_genpd_add_provider_onecell+0x98/0x1f8 lr : of_genpd_add_provider_onecell+0x48/0x1f8 Call trace: of_genpd_add_provider_onecell+0x98/0x1f8 scmi_pm_domain_probe+0x174/0x1e8 scmi_dev_probe+0x90/0xe0 really_probe+0xe4/0x448 driver_probe_device+0xfc/0x168 device_driver_attach+0x7c/0x88 bind_store+0xe8/0x128 drv_attr_store+0x2c/0x40 sysfs_kf_write+0x4c/0x60 kernfs_fop_write+0x114/0x230 __vfs_write+0x24/0x50 vfs_write+0xbc/0x1e0 ksys_write+0x70/0xf8 __arm64_sys_write+0x24/0x30 el0_svc_common.constprop.3+0x94/0x160 do_el0_svc+0x2c/0x98 el0_sync_handler+0x148/0x1a8 el0_sync+0x158/0x180 Do not register any power domain that failed to be queried with genpd. Fixes: 898216c9 ("firmware: arm_scmi: add device power domain support using genpd") Link: https://lore.kernel.org/r/20200619220330.12217-1-cristian.marussi@arm.comSigned-off-by:
Cristian Marussi <cristian.marussi@arm.com> Signed-off-by:
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Gilad Ben-Yossef authored
[ Upstream commit 9bc6165d ] Fix a small resource leak on the error path of cipher processing. Signed-off-by:
Gilad Ben-Yossef <gilad@benyossef.com> Fixes: 63ee04c8 ("crypto: ccree - add skcipher support") Cc: Markus Elfring <Markus.Elfring@web.de> Signed-off-by:
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Stephan Gerhold authored
[ Upstream commit 1b6a1a16 ] msm8916-pins.dtsi specifies "bias-pull-none" for most of the audio pin configurations. This was likely copied from the qcom kernel fork where the same property was used for these audio pins. However, "bias-pull-none" actually does not exist at all - not in mainline and not in downstream. I can only guess that the original intention was to configure "no pull", i.e. bias-disable. Change it to that instead. Fixes: 143bb9ad ("arm64: dts: qcom: add audio pinctrls") Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by:
Stephan Gerhold <stephan@gerhold.net> Link: https://lore.kernel.org/r/20200605185916.318494-2-stephan@gerhold.netSigned-off-by:
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Qiushi Wu authored
[ Upstream commit 17ed808a ] When kobject_init_and_add() returns an error, it should be handled because kobject_init_and_add() takes a reference even when it fails. If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Therefore, replace calling kfree() and call kobject_put() and add a missing kobject_put() in the edac_device_register_sysfs_main_kobj() error path. [ bp: Massage and merge into a single patch. ] Fixes: b2ed215a ("Kobject: change drivers/edac to use kobject_init_and_add") Signed-off-by:
Qiushi Wu <wu000273@umn.edu> Signed-off-by:
Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20200528202238.18078-1-wu000273@umn.edu Link: https://lkml.kernel.org/r/20200528203526.20908-1-wu000273@umn.eduSigned-off-by:
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Heiko Stuebner authored
[ Upstream commit 8a445086 ] The puma gmac node currently uses opposite active-values for the gmac phy reset pin. The gpio-declaration uses active-high while the separate snps,reset-active-low property marks the pin as active low. While on the kernel side this works ok, other DT users may get confused - as seen with uboot right now. So bring this in line and make both properties match, similar to the other Rockchip board. Fixes: 2c66fc34 ("arm64: dts: rockchip: add RK3399-Q7 (Puma) SoM") Signed-off-by:
Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Link: https://lore.kernel.org/r/20200603132836.362519-1-heiko@sntech.deSigned-off-by:
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