watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.1:7911]
Modules linked in:
irq event stamp: 22754
hardirqs last  enabled at (22753): [<ffff800012127d78>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (22753): [<ffff800012127d78>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (22754): [<ffff800012125a54>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (22754): [<ffff800012125a54>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (18090): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (18090): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (18037): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79
CPU: 0 PID: 7911 Comm: syz-executor.1 Not tainted 6.1.59-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
pstate: 60400005 (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 : ffff8000201b7740
x29: ffff8000201b7aa0 x28: ffff8000158b1130 x27: 1fffe000368ac6b8
x26: ffff8000201b78a8 x25: ffff0001b4587e08 x24: 0000000000000001
x23: dfff800000000000 x22: ffff0001b45635c8 x21: 0000000000000011
x20: ffff8000201b78a0 x19: ffff0001b45635c0 x18: 1fffe000368a9f76
x17: ffff8000158ad000 x16: ffff8000083062b0 x15: ffff0001b454fbbc
x14: 1ffff00002b160b0 x13: dfff800000000000 x12: 0000000000040000
x11: 000000000003ffff x10: ffff800020e4c000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff800008b3522c x3 : ffff80000845541c
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
 invalidate_bdev+0x90/0xc0 block/bdev.c:85
 reconfigure_super+0x448/0x7a4 fs/super.c:991
 do_remount fs/namespace.c:2702 [inline]
 path_mount+0xc70/0xe5c fs/namespace.c:3362
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
 __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