./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2693965329 <...> Warning: Permanently added '10.128.1.13' (ED25519) to the list of known hosts. execve("./syz-executor2693965329", ["./syz-executor2693965329"], 0x7ffc340e8cd0 /* 10 vars */) = 0 brk(NULL) = 0x5555557e7000 brk(0x5555557e7d00) = 0x5555557e7d00 arch_prctl(ARCH_SET_FS, 0x5555557e7380) = 0 set_tid_address(0x5555557e7650) = 357 set_robust_list(0x5555557e7660, 24) = 0 rseq(0x5555557e7ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2693965329", 4096) = 28 getrandom("\xfe\x4e\x4f\xa7\x21\xa0\xf3\x97", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555557e7d00 brk(0x555555808d00) = 0x555555808d00 brk(0x555555809000) = 0x555555809000 mprotect(0x7ff4531c9000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_ACT, insn_cnt=14, insns=0x20000840, license="syzkaller", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS}, 72) = 3 [ 30.100903][ T23] audit: type=1400 audit(1713572265.130:66): avc: denied { execmem } for pid=357 comm="syz-executor269" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 30.121028][ T357] kasan: CONFIG_KASAN_INLINE enabled [ 30.121617][ T23] audit: type=1400 audit(1713572265.140:67): avc: denied { prog_load } for pid=357 comm="syz-executor269" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 30.126277][ T357] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.126318][ T357] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 30.147380][ T23] audit: type=1400 audit(1713572265.150:68): avc: denied { prog_run } for pid=357 comm="syz-executor269" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 30.153288][ T357] CPU: 0 PID: 357 Comm: syz-executor269 Not tainted 5.4.268-syzkaller-00003-g2d5d8240a7cb #0 [ 30.153304][ T357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 30.153375][ T357] RIP: 0010:bpf_skb_ancestor_cgroup_id+0x114/0x270 [ 30.205387][ T357] Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 0d 59 0c fe 48 8b 1b 48 8d bb 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 2f 01 00 00 8b ab 1c 01 00 00 89 ef 44 [ 30.225417][ T357] RSP: 0018:ffff8881dc1574b8 EFLAGS: 00010203 [ 30.231432][ T357] RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000 [ 30.239207][ T357] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c [ 30.247023][ T357] RBP: 0000000000000080 R08: ffffffff8387c1da R09: ffff8881dc157760 [ 30.254941][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 30.262926][ T357] R13: fffffff8fe085cd8 R14: 0000000000000000 R15: ffff8881dc15c012 [ 30.270741][ T357] FS: 00005555557e7380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.279539][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.286007][ T357] CR2: 000000000064a110 CR3: 00000001dd994000 CR4: 00000000003406b0 [ 30.293821][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.301641][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.309444][ T357] Call Trace: [ 30.312676][ T357] ? __die+0xb4/0x100 [ 30.316483][ T357] ? die+0x26/0x50 [ 30.320045][ T357] ? do_general_protection+0x266/0x3c0 [ 30.325333][ T357] ? stack_trace_save+0x1c0/0x1c0 [ 30.330199][ T357] ? do_trap+0x340/0x340 [ 30.334277][ T357] ? arch_stack_walk+0x111/0x140 [ 30.339054][ T357] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 30.344352][ T357] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 30.350268][ T357] ? general_protection+0x28/0x30 [ 30.355116][ T357] ? bpf_skb_ancestor_cgroup_id+0xda/0x270 [ 30.360771][ T357] ? bpf_skb_ancestor_cgroup_id+0x114/0x270 [ 30.366487][ T357] ? bpf_skb_ancestor_cgroup_id+0xda/0x270 [ 30.372220][ T357] ? __kasan_kmalloc+0x171/0x210 [ 30.377080][ T357] ? kmem_cache_alloc+0xd9/0x250 [ 30.381983][ T357] ? build_skb+0x26/0x440 [ 30.386122][ T357] ? bpf_prog_test_run_skb+0x302/0xf00 [ 30.391437][ T357] ? __se_sys_bpf+0x2e37/0xbcb0 [ 30.396106][ T357] ? do_syscall_64+0xca/0x1c0 [ 30.400640][ T357] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 30.406543][ T357] ? ktime_get+0xf9/0x130 [ 30.410690][ T357] ? bpf_test_run+0x2ae/0x6c0 [ 30.415211][ T357] ? bpf_ctx_init+0x1a0/0x1a0 [ 30.419807][ T357] ? bpf_prog_test_run_skb+0x73c/0xf00 [ 30.425108][ T357] ? __bpf_trace_bpf_test_finish+0x20/0x20 [ 30.430756][ T357] ? __bpf_prog_get+0x287/0x310 [ 30.435427][ T357] ? __bpf_trace_bpf_test_finish+0x20/0x20 [ 30.441171][ T357] ? __se_sys_bpf+0x2e37/0xbcb0 [ 30.445847][ T357] ? check_preemption_disabled+0x9f/0x320 [ 30.451397][ T357] ? debug_smp_processor_id+0x20/0x20 [ 30.456693][ T357] ? check_preemption_disabled+0x9f/0x320 [ 30.462250][ T357] ? check_preemption_disabled+0x9f/0x320 [ 30.467814][ T357] ? debug_smp_processor_id+0x20/0x20 [ 30.473113][ T357] ? debug_smp_processor_id+0x20/0x20 [ 30.478401][ T357] ? __x64_sys_bpf+0x80/0x80 [ 30.482815][ T357] ? switch_mm_irqs_off+0x6b5/0xab0 [ 30.487857][ T357] ? _raw_spin_unlock_irq+0x4a/0x60 [ 30.492973][ T357] ? finish_task_switch+0x130/0x590 [ 30.498023][ T357] ? __schedule+0xb0d/0x1320 [ 30.502439][ T357] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 30.507386][ T357] ? _raw_spin_lock_irqsave+0x210/0x210 [ 30.512765][ T357] ? cgroup_update_frozen+0x157/0xab0 [ 30.517969][ T357] ? cgroup_update_frozen+0x157/0xab0 [ 30.523185][ T357] ? cgroup_leave_frozen+0x13c/0x290 [ 30.528399][ T357] ? ptrace_stop+0x6ee/0xa30 [ 30.532946][ T357] ? _raw_spin_unlock_irq+0x4a/0x60 [ 30.538061][ T357] ? ptrace_notify+0x24c/0x350 [ 30.542659][ T357] ? do_notify_parent+0xa10/0xa10 [ 30.547843][ T357] ? check_preemption_disabled+0x153/0x320 [ 30.553450][ T357] ? syscall_trace_enter+0x650/0x940 [ 30.558812][ T357] ? do_syscall_64+0xca/0x1c0 [ 30.563380][ T357] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 30.569364][ T357] Modules linked in: [ 30.573294][ T357] ---[ end trace 16629969f6fa4627 ]--- [ 30.578881][ T357] RIP: 0010:bpf_skb_ancestor_cgroup_id+0x114/0x270 [ 30.585237][ T357] Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 0d 59 0c fe 48 8b 1b 48 8d bb 1c 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 2f 01 00 00 8b ab 1c 01 00 00 89 ef 44 [ 30.605313][ T357] RSP: 0018:ffff8881dc1574b8 EFLAGS: 00010203 [ 30.611161][ T357] RAX: 0000000000000023 RBX: 0000000000000000 RCX: 0000000000000000 [ 30.618978][ T357] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000000011c [ 30.626804][ T357] RBP: 0000000000000080 R08: ffffffff8387c1da R09: ffff8881dc157760 [ 30.634618][ T357] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 30.642392][ T357] R13: fffffff8fe085cd8 R14: 0000000000000000 R15: ffff8881dc15c012 [ 30.650249][ T357] FS: 00005555557e7380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.658999][ T357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.665450][ T357] CR2: 000000000064a110 CR3: 00000001dd994000 CR4: 00000000003406b0 [ 30.673631][ T357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.681456][ T357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.689334][ T357] Kernel panic - not syncing: Fatal exception [ 30.696291][ T357] Kernel Offset: disabled [ 30.700455][ T357] Rebooting in 86400 seconds..