watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz.3.485:5498]
Modules linked in:
irq event stamp: 90164
hardirqs last  enabled at (90163): [<ffff8000111a7d2c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (90163): [<ffff8000111a7d2c>] exit_to_kernel_mode+0xe0/0x168 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (90164): [<ffff8000111a7f84>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (84604): [<ffff80000819d1e8>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (84604): [<ffff80000819d1e8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (84519): [<ffff80000819d7ec>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (84519): [<ffff80000819d7ec>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (84519): [<ffff80000819d7ec>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (84519): [<ffff80000819d7ec>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
CPU: 1 PID: 5498 Comm: syz.3.485 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:440 [inline]
pc : smp_call_function_many_cond+0xe00/0xeb0 kernel/smp.c:969
lr : csd_lock_wait kernel/smp.c:440 [inline]
lr : smp_call_function_many_cond+0xe18/0xeb0 kernel/smp.c:969
sp : ffff80001fcc7860
x29: ffff80001fcc78b0 x28: ffff80001415d000 x27: 0000000000000000
x26: 0000000000000011 x25: ffff0001a111e940 x24: ffff800014161000
x23: 1fffe00034223d28 x22: dfff800000000000 x21: ffff0001a1103dc8
x20: ffff80001434d380 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000002 x16: ffff8000082bf3c8 x15: 0000000000000406
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000080000
x11: 000000000007ffff x10: ffff8000244e9000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000083cc240
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:440 [inline]
 smp_call_function_many_cond+0xe00/0xeb0 kernel/smp.c:969
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1135
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1426
 kill_bdev block/bdev.c:76 [inline]
 set_blocksize+0x26c/0x2f0 block/bdev.c:157
 sb_set_blocksize block/bdev.c:166 [inline]
 sb_min_blocksize+0xe4/0x1a0 block/bdev.c:182
 xfs_fs_fill_super+0x208/0x106c fs/xfs/xfs_super.c:1454
 get_tree_bdev+0x358/0x544 fs/super.c:1325
 xfs_fs_get_tree+0x28/0x38 fs/xfs/xfs_super.c:1722
 vfs_get_tree+0x90/0x274 fs/super.c:1530
 do_new_mount+0x228/0x810 fs/namespace.c:3010
 path_mount+0x5b4/0x1000 fs/namespace.c:3340
 do_mount fs/namespace.c:3353 [inline]
 __do_sys_mount fs/namespace.c:3561 [inline]
 __se_sys_mount fs/namespace.c:3538 [inline]
 __arm64_sys_mount+0x514/0x5e4 fs/namespace.c:3538
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584