watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz.0.847:8653]
Modules linked in:
irq event stamp: 5914
hardirqs last  enabled at (5913): [<ffff800012325fb0>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (5913): [<ffff800012325fb0>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (5914): [<ffff800012323c8c>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (5914): [<ffff800012323c8c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (1358): [<ffff8000081c40ac>] softirq_handle_end kernel/softirq.c:421 [inline]
softirqs last  enabled at (1358): [<ffff8000081c40ac>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606
softirqs last disabled at (1267): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:612
CPU: 0 PID: 8653 Comm: syz.0.847 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 : ffff800021ad7360
x29: ffff800021ad76c0 x28: 1fffe0003679ae30 x27: ffff800015b01148
x26: ffff800021ad74c8 x25: ffff0001b3cfb7c8 x24: 0000000000000001
x23: dfff800000000000 x22: ffff0001b3cd7188 x21: 0000000000000011
x20: ffff800021ad74c0 x19: ffff0001b3cd7180 x18: 0000000000000140
x17: ffff8000085a7c14 x16: ffff800012327ebc x15: 0000000000000002
x14: 0000000000000001 x13: ffff0000d0db9bc0 x12: 0000000000080000
x11: 000000000007ffff x10: ffff8000235c6000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000006 x4 : 0000000000000000 x3 : ffff80000844b3d8
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
 smp_call_function_many kernel/smp.c:1022 [inline]
 smp_call_function kernel/smp.c:1044 [inline]
 kick_all_cpus_sync+0x40/0xa0 kernel/smp.c:1190
 flush_icache_range arch/arm64/include/asm/cacheflush.h:103 [inline]
 bpf_flush_icache arch/arm64/net/bpf_jit_comp.c:1450 [inline]
 bpf_int_jit_compile+0xb00/0x14ec arch/arm64/net/bpf_jit_comp.c:1580
 bpf_prog_select_runtime+0x764/0xa28 kernel/bpf/core.c:2219
 bpf_prog_load+0xfa0/0x1630 kernel/bpf/syscall.c:2642
 __sys_bpf+0x328/0x654 kernel/bpf/syscall.c:5017
 __do_sys_bpf kernel/bpf/syscall.c:5121 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5119 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5119
 __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