./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2922389959 <...> Warning: Permanently added '10.128.0.195' (ED25519) to the list of known hosts. execve("./syz-executor2922389959", ["./syz-executor2922389959"], 0x7ffc89ae2130 /* 10 vars */) = 0 brk(NULL) = 0x55558d3bc000 brk(0x55558d3bcd00) = 0x55558d3bcd00 arch_prctl(ARCH_SET_FS, 0x55558d3bc380) = 0 set_tid_address(0x55558d3bc650) = 341 set_robust_list(0x55558d3bc660, 24) = 0 rseq(0x55558d3bcca0, 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-executor2922389959", 4096) = 28 getrandom("\x3d\x63\x3d\x91\x1a\x5c\xfe\x30", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558d3bcd00 brk(0x55558d3ddd00) = 0x55558d3ddd00 brk(0x55558d3de000) = 0x55558d3de000 mprotect(0x7f0d23d2c000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 write(1, "executing program\n", 18executing program ) = 18 bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SCHED_CLS, insn_cnt=4, insns=0x200000000700, license="GPL", 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, prog_btf_fd=0, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 148) = 3 [ 24.715275][ T23] audit: type=1400 audit(1746590039.920:81): avc: denied { execmem } for pid=341 comm="syz-executor292" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.737130][ T23] audit: type=1400 audit(1746590039.940:82): avc: denied { prog_load } for pid=341 comm="syz-executor292" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 24.756754][ T23] audit: type=1400 audit(1746590039.970:83): avc: denied { prog_run } for pid=341 comm="syz-executor292" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 24.757490][ T341] kasan: CONFIG_KASAN_INLINE enabled [ 24.781185][ T341] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.789241][ T341] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 24.796155][ T341] CPU: 1 PID: 341 Comm: syz-executor292 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0 [ 24.806270][ T341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 24.816319][ T341] RIP: 0010:bpf_skb_cgroup_id+0x118/0x1a0 [ 24.822013][ T341] Code: a0 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 38 44 26 fe 41 be 40 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 19 44 26 fe 49 8b 1e 48 83 c3 68 [ 24.841618][ T341] RSP: 0018:ffff8881ee047b00 EFLAGS: 00010206 [ 24.847772][ T341] RAX: 0000000000000028 RBX: ffff8881dfa43aa0 RCX: ffff8881f31c5e80 [ 24.855731][ T341] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000 [ 24.863691][ T341] RBP: ffff8881ee047b18 R08: ffff8881ee047d20 R09: ffffed103e838a15 [ 24.871652][ T341] R10: ffffed103e838a15 R11: 1ffff1103e838a14 R12: dffffc0000000000 [ 24.879644][ T341] R13: ffffc90000044020 R14: 0000000000000140 R15: dffffc0000000000 [ 24.887723][ T341] FS: 000055558d3bc380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.896634][ T341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.903210][ T341] CR2: 000055ab1e21c838 CR3: 00000001da0ce000 CR4: 00000000003406a0 [ 24.911183][ T341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.919134][ T341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.927102][ T341] Call Trace: [ 24.930375][ T341] ? bpf_test_run+0x1ea/0x5d0 [ 24.935035][ T341] ? eth_type_trans+0x2c2/0x5e0 [ 24.939883][ T341] ? bpf_ctx_init+0x1b0/0x1b0 [ 24.944569][ T341] ? eth_get_headlen+0x1f0/0x1f0 [ 24.949485][ T341] ? __kasan_check_write+0x14/0x20 [ 24.954573][ T341] ? bpf_prog_test_run_skb+0x721/0xdc0 [ 24.960010][ T341] ? __bpf_trace_bpf_test_finish+0x30/0x30 [ 24.965796][ T341] ? bpf_prog_test_run+0x21a/0x2a0 [ 24.970906][ T341] ? __se_sys_bpf+0x49a/0x570 [ 24.975561][ T341] ? __x64_sys_bpf+0x90/0x90 [ 24.980128][ T341] ? do_syscall_64+0x170/0x170 [ 24.984873][ T341] ? __kasan_check_read+0x11/0x20 [ 24.989875][ T341] ? __x64_sys_bpf+0x7b/0x90 [ 24.994440][ T341] ? do_syscall_64+0xcf/0x170 [ 24.999092][ T341] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 25.005133][ T341] Modules linked in: [ 25.009069][ T341] ---[ end trace 8c827481cb50fa6e ]--- [ 25.014556][ T341] RIP: 0010:bpf_skb_cgroup_id+0x118/0x1a0 [ 25.020260][ T341] Code: a0 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 38 44 26 fe 41 be 40 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 19 44 26 fe 49 8b 1e 48 83 c3 68 [ 25.040151][ T341] RSP: 0018:ffff8881ee047b00 EFLAGS: 00010206 [ 25.046264][ T341] RAX: 0000000000000028 RBX: ffff8881dfa43aa0 RCX: ffff8881f31c5e80 [ 25.054253][ T341] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000 [ 25.062249][ T341] RBP: ffff8881ee047b18 R08: ffff8881ee047d20 R09: ffffed103e838a15 [ 25.070223][ T341] R10: ffffed103e838a15 R11: 1ffff1103e838a14 R12: dffffc0000000000 [ 25.078207][ T341] R13: ffffc90000044020 R14: 0000000000000140 R15: dffffc0000000000 [ 25.086207][ T341] FS: 000055558d3bc380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.095149][ T341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.101760][ T341] CR2: 000055ab1e21c838 CR3: 00000001da0ce000 CR4: 00000000003406a0 [ 25.109738][ T341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.117758][ T341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.125748][ T341] Kernel panic - not syncing: Fatal exception [ 25.132032][ T341] Kernel Offset: disabled [ 25.136341][ T341] Rebooting in 86400 seconds..