watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [udevd:4268]
Modules linked in:
irq event stamp: 1698076
hardirqs last  enabled at (1698075): [<ffff80001211b890>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (1698075): [<ffff80001211b890>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (1698076): [<ffff80001211956c>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (1698076): [<ffff80001211956c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (1693434): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (1693434): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (1693367): [<ffff80000802a994>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
CPU: 1 PID: 4268 Comm: udevd Not tainted 6.1.46-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:413 [inline]
pc : smp_call_function_many_cond+0x1b28/0x3270 kernel/smp.c:987
lr : csd_lock_wait kernel/smp.c:413 [inline]
lr : smp_call_function_many_cond+0x1b40/0x3270 kernel/smp.c:987
sp : ffff80001e007460
x29: ffff80001e0077c0 x28: ffff8000158b1130 x27: 1fffe000368b06b8
x26: ffff80001e0075c8 x25: ffff0001b4569748 x24: 0000000000000000
x23: dfff800000000000 x22: ffff0001b45835c8 x21: 0000000000000011
x20: ffff80001e0075c0 x19: ffff0001b45835c0 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800008305ca4 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000406 x12: 0000000000000001
x11: ff80800008453f60 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff800008b32e64 x3 : ffff800008453f54
x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline]
 __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline]
 csd_lock_wait kernel/smp.c:413 [inline]
 smp_call_function_many_cond+0x1b28/0x3270 kernel/smp.c:987
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1155
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1412
 kill_bdev block/bdev.c:75 [inline]
 blkdev_flush_mapping+0x128/0x280 block/bdev.c:662
 blkdev_put_whole block/bdev.c:693 [inline]
 blkdev_put+0x464/0x6e0 block/bdev.c:953
 blkdev_close+0x58/0x94 block/fops.c:514
 __fput+0x30c/0x7bc fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x240/0x2f0 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x2144/0x3470 arch/arm64/kernel/signal.c:1132
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581