watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.3.1885:10411]
Modules linked in:
irq event stamp: 6512
hardirqs last  enabled at (6511): [<ffff80001232db18>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (6511): [<ffff80001232db18>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (6512): [<ffff80001232b7f4>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (6512): [<ffff80001232b7f4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (1796): [<ffff8000081c2418>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (1796): [<ffff8000081c2418>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (1769): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
CPU: 0 PID: 10411 Comm: syz.3.1885 Not tainted 6.1.127-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (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 : ffff800022c472e0
x29: ffff800022c47640 x28: 1fffe0003679e830 x27: ffff800015a91148
x26: ffff800022c47448 x25: ffff0001b3d187c8 x24: 0000000000000001
x23: dfff800000000000 x22: ffff0001b3cf4188 x21: 0000000000000011
x20: ffff800022c47440 x19: ffff0001b3cf4180 x18: 1ffff00004588f0a
x17: 0000000000000000 x16: ffff80000830159c x15: 0000000000000002
x14: 0000000000000406 x13: ffff0000d13d8000 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800024ec9000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff800008b372a8 x3 : ffff80000844af80
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
 kill_bdev block/bdev.c:75 [inline]
 set_blocksize+0x270/0x2e8 block/bdev.c:152
 sb_set_blocksize block/bdev.c:161 [inline]
 sb_min_blocksize+0xcc/0x18c block/bdev.c:177
 ext4_load_super fs/ext4/super.c:4934 [inline]
 __ext4_fill_super fs/ext4/super.c:5059 [inline]
 ext4_fill_super+0x614/0x7570 fs/ext4/super.c:5653
 get_tree_bdev+0x360/0x54c fs/super.c:1366
 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5683
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 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