watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz.2.386:5593] Modules linked in: irq event stamp: 5382 hardirqs last enabled at (5381): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (5381): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (5382): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (5382): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (714): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (714): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (679): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 CPU: 0 PID: 5593 Comm: syz.2.386 Not tainted 6.1.114-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 : ffff8000219f6d60 x29: ffff8000219f70c0 x28: 1fffe000367a1a30 x27: ffff8000159d1138 x26: ffff8000219f6ec8 x25: ffff0001b3d317c8 x24: 0000000000000001 x23: dfff800000000000 x22: ffff0001b3d0d188 x21: 0000000000000011 x20: ffff8000219f6ec0 x19: ffff0001b3d0d180 x18: 0000000000000140 x17: ffff800020d3405a x16: ffff800012290d3c x15: 0000000000000002 x14: 0000000000000001 x13: ffff0000d6741bc0 x12: 0000000000040000 x11: 000000000003ffff x10: ffff800023dba000 x9 : 0000000000000000 x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000006 x4 : 0000000000000000 x3 : ffff80000844f7b0 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_migrate_filter net/core/filter.c:1301 [inline] bpf_prepare_filter+0xdec/0x1064 net/core/filter.c:1349 bpf_prog_create_from_user+0x2e4/0x464 net/core/filter.c:1443 seccomp_prepare_filter kernel/seccomp.c:671 [inline] seccomp_prepare_user_filter kernel/seccomp.c:708 [inline] seccomp_set_mode_filter kernel/seccomp.c:1871 [inline] do_seccomp+0x9fc/0xffc kernel/seccomp.c:1991 prctl_set_seccomp+0x60/0x7c kernel/seccomp.c:2044 __do_sys_prctl kernel/sys.c:2459 [inline] __se_sys_prctl kernel/sys.c:2377 [inline] __arm64_sys_prctl+0x490/0x2a08 kernel/sys.c:2377 __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:140 do_el0_svc+0x64/0x218 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