./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3478852349
<...>
Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts.
execve("./syz-executor3478852349", ["./syz-executor3478852349"], 0x7ffecc833640 /* 10 vars */) = 0
brk(NULL) = 0x55556a536000
brk(0x55556a536d00) = 0x55556a536d00
arch_prctl(ARCH_SET_FS, 0x55556a536380) = 0
set_tid_address(0x55556a536650) = 5071
set_robust_list(0x55556a536660, 24) = 0
rseq(0x55556a536ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3478852349", 4096) = 28
getrandom("\x90\x62\xb7\x2a\xfa\x8c\xbe\x09", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556a536d00
brk(0x55556a557d00) = 0x55556a557d00
brk(0x55556a558000) = 0x55556a558000
mprotect(0x7fadbb61b000, 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
[ 54.682602][ T5071] ------------[ cut here ]------------
[ 54.688195][ T5071] WARNING: CPU: 0 PID: 5071 at include/linux/skbuff.h:2740 skb_ensure_writable+0x2ef/0x440
[ 54.698232][ T5071] Modules linked in:
[ 54.702144][ T5071] CPU: 0 PID: 5071 Comm: syz-executor347 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0
[ 54.712239][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 54.722351][ T5071] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 54.728281][ T5071] Code: e8 56 ee 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 32 ee 53 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 de ef 53 f8 45 39 e6
[ 54.747927][ T5071] RSP: 0018:ffffc90003abf8f0 EFLAGS: 00010293
[ 54.753988][ T5071] RAX: ffffffff8941023e RBX: ffff888023d928c0 RCX: ffff8880201d0000
[ 54.761984][ T5071] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 54.770005][ T5071] RBP: 00000000ffffffff R08: ffffffff8940ff77 R09: 1ffffffff1f0d5cd
[ 54.778006][ T5071] R10: dffffc0000000000 R11: ffffffffa0001f88 R12: 00000000ffffffff
[ 54.785981][ T5071] R13: ffff888023d928c0 R14: ffffc90000aee030 R15: dffffc0000000000
[ 54.793983][ T5071] FS: 000055556a536380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 54.802940][ T5071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.809548][ T5071] CR2: 0000000020002c80 CR3: 000000001bf0e000 CR4: 00000000003506f0
[ 54.817547][ T5071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.825502][ T5071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.833497][ T5071] Call Trace:
[ 54.836798][ T5071]
[ 54.839713][ T5071] ? __warn+0x163/0x4b0
[ 54.843854][ T5071] ? skb_ensure_writable+0x2ef/0x440
[ 54.849172][ T5071] ? report_bug+0x2b3/0x500
[ 54.853695][ T5071] ? skb_ensure_writable+0x2ef/0x440
[ 54.859016][ T5071] ? handle_bug+0x3e/0x70
[ 54.863353][ T5071] ? exc_invalid_op+0x1a/0x50
[ 54.868060][ T5071] ? asm_exc_invalid_op+0x1a/0x20
[ 54.873106][ T5071] ? 0xffffffffa0001f88
[ 54.877286][ T5071] ? skb_ensure_writable+0x27/0x440
[ 54.882487][ T5071] ? skb_ensure_writable+0x2ee/0x440
[ 54.887805][ T5071] ? skb_ensure_writable+0x2ef/0x440
[ 54.893098][ T5071] ? __pfx___cant_migrate+0x10/0x10
[ 54.898325][ T5071] ? __x64_sys_bpf+0x7c/0x90
[ 54.902917][ T5071] ? bpf_test_run+0x31e/0x900
[ 54.907641][ T5071] bpf_skb_pull_data+0x7c/0x230
[ 54.912497][ T5071] ? bpf_test_run+0x31e/0x900
[ 54.917206][ T5071] bpf_prog_58dbbba81b71214e+0x24/0x47
[ 54.922755][ T5071] bpf_test_run+0x409/0x900
[ 54.927306][ T5071] ? __pfx_bpf_test_run+0x10/0x10
[ 54.932335][ T5071] ? eth_type_trans+0x324/0x6c0
[ 54.937314][ T5071] ? __pfx_eth_type_trans+0x10/0x10
[ 54.942532][ T5071] ? convert___skb_to_skb+0x41/0x620
[ 54.947852][ T5071] bpf_prog_test_run_skb+0xafa/0x13a0
[ 54.953240][ T5071] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 54.959092][ T5071] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 54.964912][ T5071] bpf_prog_test_run+0x33a/0x3b0
[ 54.969894][ T5071] __sys_bpf+0x48d/0x810
[ 54.974144][ T5071] ? __pfx___sys_bpf+0x10/0x10
[ 54.978955][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 54.985287][ T5071] ? do_syscall_64+0x10a/0x240
[ 54.990091][ T5071] __x64_sys_bpf+0x7c/0x90
[ 54.994525][ T5071] do_syscall_64+0xfb/0x240
[ 54.999062][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 55.004968][ T5071] RIP: 0033:0x7fadbb5a8669
[ 55.009410][ T5071] 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
[ 55.029070][ T5071] RSP: 002b:00007ffd7bb7f578 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 55.037535][ T5071] RAX: ffffffffffffffda RBX: 00007ffd7bb7f748 RCX: 00007fadbb5a8669
[ 55.045513][ T5071] RDX: 0000000000000048 RSI: 00000000200002c0 RDI: 000000000000000a
[ 55.053515][ T5071] RBP: 00007fadbb61b610 R08: 0000000000000000 R09: 00007ffd7bb7f748
[ 55.061513][ T5071] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 55.069508][ T5071] R13: 00007ffd7bb7f738 R14: 0000000000000001 R15: 0000000000000001
[ 55.077514][ T5071]
[ 55.080519][ T5071] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 55.087777][ T5071] CPU: 0 PID: 5071 Comm: syz-executor347 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0
[ 55.097831][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 55.107868][ T5071] Call Trace:
[ 55.111130][ T5071]
[ 55.114120][ T5071] dump_stack_lvl+0x1e7/0x2e0
[ 55.118793][ T5071] ? __pfx_dump_stack_lvl+0x10/0x10
[ 55.123973][ T5071] ? __pfx__printk+0x10/0x10
[ 55.128544][ T5071] ? _printk+0xd5/0x120
[ 55.132705][ T5071] ? vscnprintf+0x5d/0x90
[ 55.137025][ T5071] panic+0x349/0x860
[ 55.140907][ T5071] ? __warn+0x172/0x4b0
[ 55.145044][ T5071] ? __pfx_panic+0x10/0x10
[ 55.149445][ T5071] ? show_trace_log_lvl+0x4e6/0x520
[ 55.154640][ T5071] __warn+0x31e/0x4b0
[ 55.158626][ T5071] ? skb_ensure_writable+0x2ef/0x440
[ 55.163894][ T5071] report_bug+0x2b3/0x500
[ 55.168211][ T5071] ? skb_ensure_writable+0x2ef/0x440
[ 55.173481][ T5071] handle_bug+0x3e/0x70
[ 55.177622][ T5071] exc_invalid_op+0x1a/0x50
[ 55.182108][ T5071] asm_exc_invalid_op+0x1a/0x20
[ 55.186964][ T5071] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 55.192858][ T5071] Code: e8 56 ee 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 32 ee 53 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 de ef 53 f8 45 39 e6
[ 55.212445][ T5071] RSP: 0018:ffffc90003abf8f0 EFLAGS: 00010293
[ 55.218496][ T5071] RAX: ffffffff8941023e RBX: ffff888023d928c0 RCX: ffff8880201d0000
[ 55.226456][ T5071] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
[ 55.234411][ T5071] RBP: 00000000ffffffff R08: ffffffff8940ff77 R09: 1ffffffff1f0d5cd
[ 55.242375][ T5071] R10: dffffc0000000000 R11: ffffffffa0001f88 R12: 00000000ffffffff
[ 55.250335][ T5071] R13: ffff888023d928c0 R14: ffffc90000aee030 R15: dffffc0000000000
[ 55.258295][ T5071] ? 0xffffffffa0001f88
[ 55.262429][ T5071] ? skb_ensure_writable+0x27/0x440
[ 55.267612][ T5071] ? skb_ensure_writable+0x2ee/0x440
[ 55.272883][ T5071] ? __pfx___cant_migrate+0x10/0x10
[ 55.278068][ T5071] ? __x64_sys_bpf+0x7c/0x90
[ 55.282637][ T5071] ? bpf_test_run+0x31e/0x900
[ 55.287300][ T5071] bpf_skb_pull_data+0x7c/0x230
[ 55.292139][ T5071] ? bpf_test_run+0x31e/0x900
[ 55.296797][ T5071] bpf_prog_58dbbba81b71214e+0x24/0x47
[ 55.302237][ T5071] bpf_test_run+0x409/0x900
[ 55.306731][ T5071] ? __pfx_bpf_test_run+0x10/0x10
[ 55.311739][ T5071] ? eth_type_trans+0x324/0x6c0
[ 55.316582][ T5071] ? __pfx_eth_type_trans+0x10/0x10
[ 55.321763][ T5071] ? convert___skb_to_skb+0x41/0x620
[ 55.327034][ T5071] bpf_prog_test_run_skb+0xafa/0x13a0
[ 55.332404][ T5071] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 55.338197][ T5071] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 55.343984][ T5071] bpf_prog_test_run+0x33a/0x3b0
[ 55.348912][ T5071] __sys_bpf+0x48d/0x810
[ 55.353138][ T5071] ? __pfx___sys_bpf+0x10/0x10
[ 55.357909][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 55.364215][ T5071] ? do_syscall_64+0x10a/0x240
[ 55.368964][ T5071] __x64_sys_bpf+0x7c/0x90
[ 55.373362][ T5071] do_syscall_64+0xfb/0x240
[ 55.377851][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 55.383726][ T5071] RIP: 0033:0x7fadbb5a8669
[ 55.388126][ T5071] 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
[ 55.407714][ T5071] RSP: 002b:00007ffd7bb7f578 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 55.416109][ T5071] RAX: ffffffffffffffda RBX: 00007ffd7bb7f748 RCX: 00007fadbb5a8669
[ 55.424067][ T5071] RDX: 0000000000000048 RSI: 00000000200002c0 RDI: 000000000000000a
[ 55.432020][ T5071] RBP: 00007fadbb61b610 R08: 0000000000000000 R09: 00007ffd7bb7f748
[ 55.439976][ T5071] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 55.447928][ T5071] R13: 00007ffd7bb7f738 R14: 0000000000000001 R15: 0000000000000001
[ 55.455895][ T5071]
[ 55.459086][ T5071] Kernel Offset: disabled
[ 55.463455][ T5071] Rebooting in 86400 seconds..