watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz.1.629:6293] Modules linked in: irq event stamp: 8762 hardirqs last enabled at (8761): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (8761): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (8762): [] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline] hardirqs last disabled at (8762): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486 softirqs last enabled at (870): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (870): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (771): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 CPU: 0 PID: 6293 Comm: syz.1.629 Not tainted 6.1.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 : ffff80001e197360 x29: ffff80001e1976c0 x28: 1fffe00036866e38 x27: ffff8000159c1130 x26: ffff80001e1974c8 x25: ffff0001b435ca08 x24: 0000000000000001 x23: dfff800000000000 x22: ffff0001b43371c8 x21: 0000000000000011 x20: ffff80001e1974c0 x19: ffff0001b43371c0 x18: 0000000000000140 x17: fffffffffffff7b1 x16: ffff8000122835b4 x15: 0000000000000002 x14: 0000000000000001 x13: ffff0000f315b780 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001e859000 x9 : 0000000000000000 x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000006 x4 : 0000000000000000 x3 : ffff800008452a8c 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+0x790/0xa54 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+0x98/0x2c0 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