watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:12193]
Modules linked in:
irq event stamp: 5702
hardirqs last  enabled at (5701): [<ffff80001214f520>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (5701): [<ffff80001214f520>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (5702): [<ffff80001214d1fc>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (5702): [<ffff80001214d1fc>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (1176): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (1176): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600
softirqs last disabled at (1149): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 1 PID: 12193 Comm: syz-executor.4 Not tainted 6.1.83-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:424 [inline]
pc : smp_call_function_many_cond+0x20f8/0x32b8 kernel/smp.c:998
lr : csd_lock_wait kernel/smp.c:424 [inline]
lr : smp_call_function_many_cond+0x2110/0x32b8 kernel/smp.c:998
sp : ffff80001edf73a0
x29: ffff80001edf7700 x28: 1fffe00036872238 x27: ffff800015841130
x26: ffff80001edf7508 x25: ffff0001b4376348 x24: 0000000000000000
x23: dfff800000000000 x22: ffff0001b43911c8 x21: 0000000000000011
x20: ffff80001edf7500 x19: ffff0001b43911c0 x18: 0000000000036288
x17: 0000000000001b14 x16: ffff800008304e88 x15: ffff8000244fb000
x14: 0000000000000001 x13: 0000000000000000 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000003 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff800008b34550 x3 : ffff800008451978
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:424 [inline]
 smp_call_function_many_cond+0x20f8/0x32b8 kernel/smp.c:998
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1166
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1412
 invalidate_bdev+0x90/0xc0 block/bdev.c:85
 bdev_disk_changed+0x210/0x116c block/partitions/core.c:673
 blkdev_get_whole+0x298/0x348 block/bdev.c:687
 blkdev_get_by_dev+0x390/0x8ec block/bdev.c:824
 disk_scan_partitions+0x1b0/0x2dc block/genhd.c:385
 blkdev_common_ioctl+0x14a4/0x26b4 block/ioctl.c:534
 blkdev_ioctl+0x380/0xb40 block/ioctl.c:612
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585