watchdog: BUG: soft lockup - CPU#0 stuck for 38s! [cmp:5045]
Modules linked in:
irq event stamp: 10432
hardirqs last  enabled at (10431): [<ffff80001127d9a4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (10431): [<ffff80001127d9a4>] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194
hardirqs last disabled at (10432): [<ffff8000111a24fc>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (10164): [<ffff80000819d0d8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (10164): [<ffff80000819d0d8>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586
softirqs last disabled at (6377): [<ffff80000819d6dc>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (6377): [<ffff80000819d6dc>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (6377): [<ffff80000819d6dc>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (6377): [<ffff80000819d6dc>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641
CPU: 0 PID: 5045 Comm: cmp Not tainted 5.15.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_kcov_mode kernel/kcov.c:174 [inline]
pc : write_comp_data kernel/kcov.c:227 [inline]
pc : __sanitizer_cov_trace_const_cmp8+0x74/0xc0 kernel/kcov.c:300
lr : unwind_frame+0xe0/0x544 arch/arm64/kernel/stacktrace.c:-1
sp : ffff80001f9c7330
x29: ffff80001f9c7340 x28: dfff800000000000 x27: ffff80001f9c7530
x26: dfff800000000000 x25: 1ffff00003f38e78 x24: 0000000000000030
x23: ffff80001f9c8000 x22: ffff80001f9c0000 x21: ffff0000ce8d1b40
x20: ffff80001f9c77f0 x19: ffff80001f9c73c0 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082bf2b8 x15: 0000000000000002
x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000ff0100
x11: 0000000000000000 x10: ff80800008044c88 x9 : ffff0000ce8d1b40
x8 : ffff800008044c88 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff800008044e7c
x2 : 0000000000000001 x1 : ffff80001f9c77f0 x0 : ffffffffffffffef
Call trace:
 check_kcov_mode kernel/kcov.c:172 [inline]
 write_comp_data kernel/kcov.c:227 [inline]
 __sanitizer_cov_trace_const_cmp8+0x74/0xc0 kernel/kcov.c:300
 walk_stackframe arch/arm64/kernel/stacktrace.c:148 [inline]
 arch_stack_walk+0x200/0x2b4 arch/arm64/kernel/stacktrace.c:238
 stack_trace_save+0x94/0xd8 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4c/0x84 mm/kasan/common.c:46
 kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360
 ____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366
 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1705 [inline]
 slab_free_freelist_hook+0x128/0x1e8 mm/slub.c:1731
 slab_free mm/slub.c:3499 [inline]
 kmem_cache_free+0xdc/0x3b4 mm/slub.c:3515
 vm_area_free+0x28/0x38 kernel/fork.c:376
 remove_vma mm/mmap.c:187 [inline]
 exit_mmap+0x3e0/0x4e0 mm/mmap.c:3215
 __mmput+0xec/0x3b8 kernel/fork.c:1127
 mmput+0x80/0xc8 kernel/fork.c:1148
 exit_mm+0x4a0/0x684 kernel/exit.c:550
 do_exit+0x4e4/0x1f58 kernel/exit.c:861
 do_group_exit+0x100/0x268 kernel/exit.c:996
 __do_sys_exit_group kernel/exit.c:1007 [inline]
 __se_sys_exit_group kernel/exit.c:1005 [inline]
 __wake_up_parent+0x0/0x60 kernel/exit.c:1005
 __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