./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3206654
<...>
Warning: Permanently added '10.128.1.25' (ED25519) to the list of known hosts.
execve("./syz-executor3206654", ["./syz-executor3206654"], 0x7ffea4101cf0 /* 10 vars */) = 0
brk(NULL) = 0x55557d635000
brk(0x55557d635d00) = 0x55557d635d00
arch_prctl(ARCH_SET_FS, 0x55557d635380) = 0
set_tid_address(0x55557d635650) = 5066
set_robust_list(0x55557d635660, 24) = 0
rseq(0x55557d635ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3206654", 4096) = 25
getrandom("\x12\x63\xaa\xe9\x48\x80\xaa\x41", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557d635d00
brk(0x55557d656d00) = 0x55557d656d00
brk(0x55557d657000) = 0x55557d657000
mprotect(0x7fd86dc49000, 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_CLS, insn_cnt=12, insns=0x20000140, 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=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = 3
[ 55.683021][ T5066] ------------[ cut here ]------------
[ 55.688682][ T5066] WARNING: CPU: 0 PID: 5066 at include/linux/skbuff.h:2740 skb_ensure_writable+0x2ef/0x440
[ 55.698760][ T5066] Modules linked in:
[ 55.702665][ T5066] CPU: 0 PID: 5066 Comm: syz-executor320 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
[ 55.712774][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 55.722874][ T5066] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 55.728834][ T5066] Code: e8 f6 f2 53 f8 4c 89 ef 31 f6 31 d2 b9 20 08 00 00 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 03 fe ff e8 d2 f2 53 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 7e f4 53 f8 45 39 e6
[ 55.748521][ T5066] RSP: 0018:ffffc900039ff8f0 EFLAGS: 00010293
[ 55.754643][ T5066] RAX: ffffffff8940fd9e RBX: ffff888021af08c0 RCX: ffff888021678000
[ 55.762626][ T5066] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 55.770638][ T5066] RBP: 00000000ffffffff R08: ffffffff8940fad7 R09: 1ffffffff1f0d5cd
[ 55.778646][ T5066] R10: dffffc0000000000 R11: ffffffffa0000654 R12: 00000000ffffffff
[ 55.786646][ T5066] R13: ffff888021af08c0 R14: ffffc90000ace030 R15: dffffc0000000000
[ 55.794652][ T5066] FS: 000055557d635380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 55.803565][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.810172][ T5066] CR2: 000000003cbe2398 CR3: 000000006c4c8000 CR4: 00000000003506f0
[ 55.818182][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 55.826179][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 55.834186][ T5066] Call Trace:
[ 55.837450][ T5066]
[ 55.840363][ T5066] ? __warn+0x163/0x4b0
[ 55.844546][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 55.849842][ T5066] ? report_bug+0x2b3/0x500
[ 55.854397][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 55.859694][ T5066] ? handle_bug+0x3e/0x70
[ 55.864012][ T5066] ? exc_invalid_op+0x1a/0x50
[ 55.868726][ T5066] ? asm_exc_invalid_op+0x1a/0x20
[ 55.873767][ T5066] ? 0xffffffffa0000654
[ 55.877959][ T5066] ? skb_ensure_writable+0x27/0x440
[ 55.883171][ T5066] ? skb_ensure_writable+0x2ee/0x440
[ 55.888494][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 55.893785][ T5066] ? __pfx___cant_migrate+0x10/0x10
[ 55.899026][ T5066] ? __x64_sys_bpf+0x7c/0x90
[ 55.903622][ T5066] ? bpf_test_run+0x31e/0x900
[ 55.908353][ T5066] bpf_skb_pull_data+0x7c/0x230
[ 55.913212][ T5066] ? bpf_test_run+0x31e/0x900
[ 55.917927][ T5066] bpf_prog_58dbbba81b71214e+0x24/0x47
[ 55.923401][ T5066] bpf_test_run+0x409/0x900
[ 55.927959][ T5066] ? __pfx_bpf_test_run+0x10/0x10
[ 55.932995][ T5066] ? eth_type_trans+0x324/0x6c0
[ 55.937887][ T5066] ? __pfx_eth_type_trans+0x10/0x10
[ 55.943097][ T5066] ? convert___skb_to_skb+0x41/0x620
[ 55.948420][ T5066] bpf_prog_test_run_skb+0xafa/0x13a0
[ 55.953813][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 55.959662][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 55.965512][ T5066] bpf_prog_test_run+0x33a/0x3b0
[ 55.970443][ T5066] __sys_bpf+0x48d/0x810
[ 55.974711][ T5066] ? __pfx___sys_bpf+0x10/0x10
[ 55.979490][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 55.985854][ T5066] ? do_syscall_64+0x10a/0x240
[ 55.990630][ T5066] __x64_sys_bpf+0x7c/0x90
[ 55.995082][ T5066] do_syscall_64+0xfb/0x240
[ 55.999599][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 56.005532][ T5066] RIP: 0033:0x7fd86dbd6669
[ 56.009993][ T5066] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 56.029633][ T5066] RSP: 002b:00007ffc9b29ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 56.038084][ T5066] RAX: ffffffffffffffda RBX: 00007ffc9b29ee38 RCX: 00007fd86dbd6669
[ 56.046081][ T5066] RDX: 0000000000000048 RSI: 00000000200002c0 RDI: 000000000000000a
[ 56.054069][ T5066] RBP: 00007fd86dc49610 R08: 0000000000000000 R09: 00007ffc9b29ee38
[ 56.062151][ T5066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.070175][ T5066] R13: 00007ffc9b29ee28 R14: 0000000000000001 R15: 0000000000000001
[ 56.078256][ T5066]
[ 56.081378][ T5066] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 56.088649][ T5066] CPU: 0 PID: 5066 Comm: syz-executor320 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
[ 56.098751][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 56.108803][ T5066] Call Trace:
[ 56.112092][ T5066]
[ 56.115019][ T5066] dump_stack_lvl+0x1e7/0x2e0
[ 56.119696][ T5066] ? __pfx_dump_stack_lvl+0x10/0x10
[ 56.124883][ T5066] ? __pfx__printk+0x10/0x10
[ 56.129486][ T5066] ? _printk+0xd5/0x120
[ 56.133639][ T5066] ? vscnprintf+0x5d/0x90
[ 56.137952][ T5066] panic+0x349/0x860
[ 56.141832][ T5066] ? __warn+0x172/0x4b0
[ 56.145978][ T5066] ? __pfx_panic+0x10/0x10
[ 56.150390][ T5066] ? show_trace_log_lvl+0x4e6/0x520
[ 56.155583][ T5066] __warn+0x31e/0x4b0
[ 56.159547][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 56.164814][ T5066] report_bug+0x2b3/0x500
[ 56.169153][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 56.174443][ T5066] handle_bug+0x3e/0x70
[ 56.178595][ T5066] exc_invalid_op+0x1a/0x50
[ 56.183089][ T5066] asm_exc_invalid_op+0x1a/0x20
[ 56.187931][ T5066] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 56.193810][ T5066] Code: e8 f6 f2 53 f8 4c 89 ef 31 f6 31 d2 b9 20 08 00 00 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 07 03 fe ff e8 d2 f2 53 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 7e f4 53 f8 45 39 e6
[ 56.213419][ T5066] RSP: 0018:ffffc900039ff8f0 EFLAGS: 00010293
[ 56.219469][ T5066] RAX: ffffffff8940fd9e RBX: ffff888021af08c0 RCX: ffff888021678000
[ 56.227427][ T5066] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 56.235395][ T5066] RBP: 00000000ffffffff R08: ffffffff8940fad7 R09: 1ffffffff1f0d5cd
[ 56.243345][ T5066] R10: dffffc0000000000 R11: ffffffffa0000654 R12: 00000000ffffffff
[ 56.251347][ T5066] R13: ffff888021af08c0 R14: ffffc90000ace030 R15: dffffc0000000000
[ 56.259320][ T5066] ? 0xffffffffa0000654
[ 56.263464][ T5066] ? skb_ensure_writable+0x27/0x440
[ 56.268670][ T5066] ? skb_ensure_writable+0x2ee/0x440
[ 56.273947][ T5066] ? __pfx___cant_migrate+0x10/0x10
[ 56.279128][ T5066] ? __x64_sys_bpf+0x7c/0x90
[ 56.283701][ T5066] ? bpf_test_run+0x31e/0x900
[ 56.288360][ T5066] bpf_skb_pull_data+0x7c/0x230
[ 56.293192][ T5066] ? bpf_test_run+0x31e/0x900
[ 56.297851][ T5066] bpf_prog_58dbbba81b71214e+0x24/0x47
[ 56.303290][ T5066] bpf_test_run+0x409/0x900
[ 56.307782][ T5066] ? __pfx_bpf_test_run+0x10/0x10
[ 56.312805][ T5066] ? eth_type_trans+0x324/0x6c0
[ 56.317647][ T5066] ? __pfx_eth_type_trans+0x10/0x10
[ 56.322833][ T5066] ? convert___skb_to_skb+0x41/0x620
[ 56.328101][ T5066] bpf_prog_test_run_skb+0xafa/0x13a0
[ 56.333464][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 56.339251][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 56.345061][ T5066] bpf_prog_test_run+0x33a/0x3b0
[ 56.349985][ T5066] __sys_bpf+0x48d/0x810
[ 56.354211][ T5066] ? __pfx___sys_bpf+0x10/0x10
[ 56.358967][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 56.365274][ T5066] ? do_syscall_64+0x10a/0x240
[ 56.370049][ T5066] __x64_sys_bpf+0x7c/0x90
[ 56.374447][ T5066] do_syscall_64+0xfb/0x240
[ 56.378934][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 56.384811][ T5066] RIP: 0033:0x7fd86dbd6669
[ 56.389210][ T5066] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 56.408793][ T5066] RSP: 002b:00007ffc9b29ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 56.417206][ T5066] RAX: ffffffffffffffda RBX: 00007ffc9b29ee38 RCX: 00007fd86dbd6669
[ 56.425157][ T5066] RDX: 0000000000000048 RSI: 00000000200002c0 RDI: 000000000000000a
[ 56.433108][ T5066] RBP: 00007fd86dc49610 R08: 0000000000000000 R09: 00007ffc9b29ee38
[ 56.441059][ T5066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.449010][ T5066] R13: 00007ffc9b29ee28 R14: 0000000000000001 R15: 0000000000000001
[ 56.456976][ T5066]
[ 56.460209][ T5066] Kernel Offset: disabled
[ 56.464570][ T5066] Rebooting in 86400 seconds..