watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.0.227:5061]
Modules linked in:
irq event stamp: 5238
hardirqs last  enabled at (5237): [<ffff800012323140>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (5237): [<ffff800012323140>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (5238): [<ffff800012320e1c>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (5238): [<ffff800012320e1c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (796): [<ffff8000081c1c58>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (796): [<ffff8000081c1c58>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (685): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
CPU: 0 PID: 5061 Comm: syz.0.227 Not tainted 6.1.119-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 : ffff800021517360
x29: ffff8000215176c0 x28: 1fffe0003679ec30 x27: ffff800015a81148
x26: ffff8000215174c8 x25: ffff0001b3d1a7c8 x24: 0000000000000001
x23: dfff800000000000 x22: ffff0001b3cf6188 x21: 0000000000000011
x20: ffff8000215174c0 x19: ffff0001b3cf6180 x18: 0000000000000140
x17: 0000000000000000 x16: ffff800012325074 x15: 0000000000000002
x14: 0000000000000001 x13: ffff0000d5b00000 x12: 0000000000080000
x11: 000000000007ffff x10: ffff80002230b000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000006 x4 : 0000000000000000 x3 : ffff80000844a764
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:2215
 bpf_prog_load+0xebc/0x1600 kernel/bpf/syscall.c:2650
 __sys_bpf+0x328/0x654 kernel/bpf/syscall.c:5020
 __do_sys_bpf kernel/bpf/syscall.c:5124 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5122 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:5122
 __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