On Thu, 28 Nov 2019 at 02:25, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > This is the start of the stable review cycle for the 4.19.87 release. > There are 306 patches in this series, all will be posted as a response > to this one. If anyone has any issues with these being applied, please > let me know. > > Responses should be made by Fri, 29 Nov 2019 20:18:09 +0000. > Anything received after that time might be too late. > > The whole patch series can be found in one patch at: > https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.87-rc1.gz > or in the git tree and branch at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y > and the diffstat can be found below. > > thanks, > > greg k-h Kernel BUG noticed on x86_64 device while booting 4.19.87-rc1 kernel. The problematic patch is, > Jouni Hogander <jouni.hogander@xxxxxxxxxx> > net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject And this kernel panic is been fixed by below patch, commit 48a322b6f9965b2f1e4ce81af972f0e287b07ed0 Author: Eric Dumazet <edumazet@xxxxxxxxxx> Date: Wed Nov 20 19:19:07 2019 -0800 net-sysfs: fix netdev_queue_add_kobject() breakage kobject_put() should only be called in error path. Fixes: b8eb718348b8 ("net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject") Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx> Cc: Jouni Hogander <jouni.hogander@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Summary ------------------------------------------------------------------------ kernel: 4.19.87-rc1 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git branch: linux-4.19.y git commit: 57c5d287ed483d6100bdca528c57562b894487b5 git describe: v4.19.86-307-g57c5d287ed48 Test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-4.19-oe-sanity/build/v4.19.86-307-g57c5d287ed48 Regressions (compared to build v4.19.86) [ 3.556598] BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 [ 3.569683] PGD 0 P4D 0 [ 3.572221] Oops: 0000 [#1] SMP PTI [ 3.575705] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.19.87-rc1 #1 [ 3.582049] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 3.589523] RIP: 0010:kernfs_find_ns+0x1f/0x130 [ 3.594053] Code: fe ff ff 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 ff 53 49 89 f6 49 89 d5 48 83 ec 08 <0f> b7 87 90 00 00 00 48 8b 5f 68 66 83 e0 20 66 89 45 d6 8b 05 68 [ 3.612788] RSP: 0000:ffffaf514002fba8 EFLAGS: 00010292 [ 3.618007] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff95d15b89 [ 3.625130] RDX: 0000000000000000 RSI: ffffffff95ddefc7 RDI: 0000000000000000 [ 3.632254] RBP: ffffaf514002fbd8 R08: ffffffff94b88f05 R09: 0000000000000001 [ 3.639377] R10: ffffaf514002fbd8 R11: 0000000000000001 R12: ffffffff95ddefc7 [ 3.646502] R13: 0000000000000000 R14: ffffffff95ddefc7 R15: 0000000000000000 [ 3.653625] FS: 0000000000000000(0000) GS:ffff95c0dfb00000(0000) knlGS:0000000000000000 [ 3.661704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.667442] CR2: 0000000000000090 CR3: 00000003bc01e001 CR4: 00000000003606e0 [ 3.674565] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.681689] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3.688811] Call Trace: [ 3.691259] kernfs_find_and_get_ns+0x33/0x60 [ 3.695616] sysfs_remove_group+0x2a/0x90 [ 3.699622] netdev_queue_update_kobjects+0xc6/0x150 [ 3.704587] netif_set_real_num_tx_queues+0x7e/0x230 [ 3.709546] ? igb_configure_msix+0xde/0x170 [ 3.713816] __igb_open+0x19e/0x5e0 [ 3.717322] igb_open+0x10/0x20 [ 3.720506] __dev_open+0xd7/0x170 [ 3.723904] ? _raw_spin_unlock_bh+0x35/0x40 [ 3.728168] __dev_change_flags+0x17e/0x1d0 [ 3.732363] dev_change_flags+0x29/0x60 [ 3.736195] ip_auto_config+0x28b/0xf04 [ 3.740033] ? tcp_set_default_congestion_control+0xac/0x150 [ 3.745683] ? root_nfs_parse_addr+0xa5/0xa5 [ 3.749948] ? set_debug_rodata+0x17/0x17 [ 3.753951] do_one_initcall+0x61/0x2b4 [ 3.757783] ? do_one_initcall+0x61/0x2b4 [ 3.761793] ? set_debug_rodata+0xa/0x17 [ 3.765713] ? rcu_read_lock_sched_held+0x81/0x90 [ 3.770418] kernel_init_freeable+0x1d8/0x270 [ 3.774777] ? rest_init+0x190/0x190 [ 3.778354] kernel_init+0xe/0x110 [ 3.781753] ret_from_fork+0x3a/0x50 [ 3.785349] Modules linked in: [ 3.788427] CR2: 0000000000000090 [ 3.791740] ---[ end trace 831b7578b86a527b ]--- [ 3.796358] RIP: 0010:kernfs_find_ns+0x1f/0x130 [ 3.800889] Code: fe ff ff 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 ff 53 49 89 f6 49 89 d5 48 83 ec 08 <0f> b7 87 90 00 00 00 48 8b 5f 68 66 83 e0 20 66 89 45 d6 8b 05 68 [ 3.819625] RSP: 0000:ffffaf514002fba8 EFLAGS: 00010292 [ 3.824843] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff95d15b89 [ 3.831968] RDX: 0000000000000000 RSI: ffffffff95ddefc7 RDI: 0000000000000000 [ 3.839091] RBP: ffffaf514002fbd8 R08: ffffffff94b88f05 R09: 0000000000000001 [ 3.846216] R10: ffffaf514002fbd8 R11: 0000000000000001 R12: ffffffff95ddefc7 [ 3.853363] R13: 0000000000000000 R14: ffffffff95ddefc7 R15: 0000000000000000 [ 3.860499] FS: 0000000000000000(0000) GS:ffff95c0dfb00000(0000) knlGS:0000000000000000 [ 3.868583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.874323] CR2: 0000000000000090 CR3: 00000003bc01e001 CR4: 00000000003606e0 [ 3.881454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.888576] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3.895702] BUG: sleeping function called from invalid context at /usr/src/kernel/include/linux/percpu-rwsem.h:34 [ 3.905946] in_atomic(): 0, irqs_disabled(): 1, pid: 1, name: swapper/0 [ 3.912550] INFO: lockdep is turned off. [ 3.916465] irq event stamp: 1027104 [ 3.920038] hardirqs last enabled at (1027103): [<ffffffff9553abd6>] _raw_spin_unlock_irqrestore+0x36/0x50 [ 3.929770] hardirqs last disabled at (1027104): [<ffffffff94801c8b>] trace_hardirqs_off_thunk+0x1a/0x1c [ 3.939233] softirqs last enabled at (1025718): [<ffffffff9580031f>] __do_softirq+0x31f/0x426 [ 3.947832] softirqs last disabled at (1025703): [<ffffffff948eddb6>] irq_exit+0xd6/0xe0 [ 3.955916] CPU: 2 PID: 1 Comm: swapper/0 Tainted: G D 4.19.87-rc1 #1 [ 3.963648] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 3.971126] Call Trace: [ 3.973572] dump_stack+0x7a/0xa5 [ 3.976890] ___might_sleep+0x152/0x240 [ 3.980720] __might_sleep+0x4a/0x80 [ 3.984309] exit_signals+0x33/0x240 [ 3.987896] do_exit+0xbd/0xcf0 [ 3.991035] ? kernel_init_freeable+0x1d8/0x270 [ 3.995567] ? rest_init+0x190/0x190 [ 3.999136] rewind_stack_do_exit+0x17/0x20 [ 4.003348] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [ 4.003348] [ 4.012537] Kernel Offset: 0x13800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 4.023318] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000009 [ 4.023318] ]--- -- Linaro LKFT https://lkft.linaro.org
