./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1340912160 <...> Warning: Permanently added '10.128.0.79' (ED25519) to the list of known hosts. execve("./syz-executor1340912160", ["./syz-executor1340912160"], 0x7ffc25523150 /* 10 vars */) = 0 brk(NULL) = 0x55558b8ba000 brk(0x55558b8bad00) = 0x55558b8bad00 arch_prctl(ARCH_SET_FS, 0x55558b8ba380) = 0 set_tid_address(0x55558b8ba650) = 361 set_robust_list(0x55558b8ba660, 24) = 0 rseq(0x55558b8baca0, 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-executor1340912160", 4096) = 28 getrandom("\x1b\xb5\x87\xcd\x8e\xcb\x47\xef", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558b8bad00 brk(0x55558b8dbd00) = 0x55558b8dbd00 brk(0x55558b8dc000) = 0x55558b8dc000 mprotect(0x7f13fa33e000, 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 write(1, "executing program\n", 18executing program ) = 18 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=4, insns=0x20000b80, license="GPL"}, 21) = 3 [ 30.074082][ T23] audit: type=1400 audit(1737843302.000:66): avc: denied { execmem } for pid=361 comm="syz-executor134" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 30.093481][ T23] audit: type=1400 audit(1737843302.010:67): avc: denied { prog_load } for pid=361 comm="syz-executor134" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 30.113190][ T23] audit: type=1400 audit(1737843302.040:68): avc: denied { prog_run } for pid=361 comm="syz-executor134" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 30.114056][ T361] kasan: CONFIG_KASAN_INLINE enabled [ 30.137207][ T361] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.145341][ T361] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 30.152080][ T361] CPU: 0 PID: 361 Comm: syz-executor134 Not tainted 5.4.289-syzkaller-00025-g49530c73f82d #0 [ 30.162056][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 30.172018][ T361] RIP: 0010:bpf_skb_cgroup_id+0x10f/0x190 [ 30.177507][ T361] Code: c7 a0 02 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 f0 c7 0a fe bb 40 01 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 d2 c7 0a fe 48 8b 1b 48 83 c3 68 [ 30.196943][ T361] RSP: 0018:ffff8881ee4f7640 EFLAGS: 00010206 [ 30.202851][ T361] RAX: 0000000000000028 RBX: 0000000000000140 RCX: ffff8881f5fc4ec0 [ 30.210655][ T361] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000 [ 30.218467][ T361] RBP: ffff8881ee4f7690 R08: ffffffff83896c86 R09: ffff8881ee4f7760 [ 30.226294][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 30.234179][ T361] R13: fffffff8fe1fcd31 R14: ffff8881e077f812 R15: ffff8881e077faa0 [ 30.241989][ T361] FS: 000055558b8ba380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.250753][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.257175][ T361] CR2: 0000000039170258 CR3: 00000001ef536000 CR4: 00000000003406b0 [ 30.264985][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.272797][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.280609][ T361] Call Trace: [ 30.283784][ T361] ? __die+0xb4/0x100 [ 30.287563][ T361] ? die+0x26/0x50 [ 30.291116][ T361] ? do_general_protection+0x266/0x3c0 [ 30.296423][ T361] ? __kasan_kmalloc+0x1d9/0x210 [ 30.301182][ T361] ? do_trap+0x340/0x340 [ 30.305273][ T361] ? __kasan_kmalloc+0x171/0x210 [ 30.310037][ T361] ? kmem_cache_alloc+0xd9/0x250 [ 30.314816][ T361] ? build_skb+0x26/0x440 [ 30.318980][ T361] ? bpf_prog_test_run_skb+0x302/0xf00 [ 30.324274][ T361] ? do_syscall_64+0xca/0x1c0 [ 30.328854][ T361] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 30.334690][ T361] ? general_protection+0x28/0x30 [ 30.339559][ T361] ? bpf_skb_cgroup_id+0xd6/0x190 [ 30.344408][ T361] ? bpf_skb_cgroup_id+0x10f/0x190 [ 30.349358][ T361] ? bpf_test_run+0x2ae/0x6c0 [ 30.353873][ T361] ? bpf_ctx_init+0x1a0/0x1a0 [ 30.358387][ T361] ? build_skb+0x259/0x440 [ 30.362733][ T361] ? bpf_prog_test_run_skb+0x73c/0xf00 [ 30.368163][ T361] ? __bpf_trace_bpf_test_finish+0x20/0x20 [ 30.373820][ T361] ? __bpf_prog_get+0x287/0x310 [ 30.378486][ T361] ? __bpf_trace_bpf_test_finish+0x20/0x20 [ 30.384123][ T361] ? __se_sys_bpf+0x2e37/0xbcb0 [ 30.388841][ T361] ? check_preemption_disabled+0x9f/0x320 [ 30.394362][ T361] ? debug_smp_processor_id+0x20/0x20 [ 30.399572][ T361] ? check_preemption_disabled+0x9f/0x320 [ 30.405125][ T361] ? check_preemption_disabled+0x9f/0x320 [ 30.410699][ T361] ? debug_smp_processor_id+0x20/0x20 [ 30.415887][ T361] ? debug_smp_processor_id+0x20/0x20 [ 30.421098][ T361] ? __x64_sys_bpf+0x80/0x80 [ 30.425741][ T361] ? switch_mm_irqs_off+0x6b5/0xab0 [ 30.430765][ T361] ? _raw_spin_unlock_irq+0x4a/0x60 [ 30.435824][ T361] ? finish_task_switch+0x130/0x590 [ 30.440830][ T361] ? __schedule+0xb0d/0x1320 [ 30.445261][ T361] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 30.450196][ T361] ? _raw_spin_lock_irqsave+0x210/0x210 [ 30.455587][ T361] ? cgroup_update_frozen+0x157/0xab0 [ 30.460790][ T361] ? cgroup_update_frozen+0x157/0xab0 [ 30.465993][ T361] ? cgroup_leave_frozen+0x13c/0x290 [ 30.471123][ T361] ? ptrace_stop+0x6ee/0xa30 [ 30.475554][ T361] ? _raw_spin_unlock_irq+0x4a/0x60 [ 30.480680][ T361] ? ptrace_notify+0x24c/0x350 [ 30.485276][ T361] ? do_notify_parent+0xa10/0xa10 [ 30.490135][ T361] ? check_preemption_disabled+0x153/0x320 [ 30.495794][ T361] ? syscall_trace_enter+0x650/0x940 [ 30.500902][ T361] ? do_syscall_64+0xca/0x1c0 [ 30.505410][ T361] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 30.511309][ T361] Modules linked in: [ 30.515279][ T361] ---[ end trace 06b436c2de013a64 ]--- [ 30.520491][ T361] RIP: 0010:bpf_skb_cgroup_id+0x10f/0x190 [ 30.526015][ T361] Code: c7 a0 02 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 f0 c7 0a fe bb 40 01 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 d2 c7 0a fe 48 8b 1b 48 83 c3 68 [ 30.545473][ T361] RSP: 0018:ffff8881ee4f7640 EFLAGS: 00010206 [ 30.551364][ T361] RAX: 0000000000000028 RBX: 0000000000000140 RCX: ffff8881f5fc4ec0 [ 30.559193][ T361] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000 [ 30.566972][ T361] RBP: ffff8881ee4f7690 R08: ffffffff83896c86 R09: ffff8881ee4f7760 [ 30.574845][ T361] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 30.582612][ T361] R13: fffffff8fe1fcd31 R14: ffff8881e077f812 R15: ffff8881e077faa0 [ 30.590430][ T361] FS: 000055558b8ba380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.599203][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.605593][ T361] CR2: 0000000039170258 CR3: 00000001ef536000 CR4: 00000000003406b0 [ 30.613443][ T361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.621232][ T361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.629055][ T361] Kernel panic - not syncing: Fatal exception [ 30.635338][ T361] Kernel Offset: disabled [ 30.639462][ T361] Rebooting in 86400 seconds..