./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3491886652
<...>
Warning: Permanently added '10.128.0.164' (ED25519) to the list of known hosts.
execve("./syz-executor3491886652", ["./syz-executor3491886652"], 0x7fff82a5a180 /* 10 vars */) = 0
brk(NULL) = 0x5555907b7000
brk(0x5555907b7d00) = 0x5555907b7d00
arch_prctl(ARCH_SET_FS, 0x5555907b7380) = 0
set_tid_address(0x5555907b7650) = 5066
set_robust_list(0x5555907b7660, 24) = 0
rseq(0x5555907b7ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3491886652", 4096) = 28
getrandom("\xe7\xf6\xf5\x49\xcd\x42\xca\xe4", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555907b7d00
brk(0x5555907d8d00) = 0x5555907d8d00
brk(0x5555907d9000) = 0x5555907d9000
mprotect(0x7f301a521000, 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=0x20000000, 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
[ 53.553401][ T5066] ------------[ cut here ]------------
[ 53.559011][ T5066] WARNING: CPU: 1 PID: 5066 at include/linux/skbuff.h:2740 skb_ensure_writable+0x2ef/0x440
[ 53.569079][ T5066] Modules linked in:
[ 53.572998][ T5066] CPU: 1 PID: 5066 Comm: syz-executor349 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
[ 53.583338][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 53.593435][ T5066] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 53.599373][ 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
[ 53.619019][ T5066] RSP: 0018:ffffc900039a78f0 EFLAGS: 00010293
[ 53.625114][ T5066] RAX: ffffffff8940fd9e RBX: ffff88802c6608c0 RCX: ffff88801bbd8000
[ 53.633093][ T5066] RDX: 0000000000000000 RSI: 00000000fffffff7 RDI: 0000000000000000
[ 53.641103][ T5066] RBP: 00000000fffffff7 R08: ffffffff8940fad7 R09: 1ffffffff1f0d5cd
[ 53.649452][ T5066] R10: dffffc0000000000 R11: ffffffffa0001ae4 R12: 00000000fffffff7
[ 53.657449][ T5066] R13: ffff88802c6608c0 R14: ffffc90000ace030 R15: dffffc0000000000
[ 53.665450][ T5066] FS: 00005555907b7380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 53.674403][ T5066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.680990][ T5066] CR2: 0000000038e49398 CR3: 000000001f4ec000 CR4: 00000000003506f0
[ 53.688994][ T5066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.697018][ T5066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.705035][ T5066] Call Trace:
[ 53.708324][ T5066]
[ 53.711262][ T5066] ? __warn+0x163/0x4b0
[ 53.715455][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 53.720733][ T5066] ? report_bug+0x2b3/0x500
[ 53.725282][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 53.730581][ T5066] ? handle_bug+0x3e/0x70
[ 53.734942][ T5066] ? exc_invalid_op+0x1a/0x50
[ 53.739627][ T5066] ? asm_exc_invalid_op+0x1a/0x20
[ 53.744688][ T5066] ? 0xffffffffa0001ae4
[ 53.748855][ T5066] ? skb_ensure_writable+0x27/0x440
[ 53.754155][ T5066] ? skb_ensure_writable+0x2ee/0x440
[ 53.759472][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 53.764807][ T5066] ? __pfx___cant_migrate+0x10/0x10
[ 53.770013][ T5066] ? __x64_sys_bpf+0x7c/0x90
[ 53.774663][ T5066] ? bpf_test_run+0x31e/0x900
[ 53.779452][ T5066] bpf_skb_pull_data+0x7c/0x230
[ 53.784354][ T5066] ? bpf_test_run+0x31e/0x900
[ 53.789047][ T5066] bpf_prog_c054a5fa89446ea8+0x24/0x47
[ 53.794565][ T5066] bpf_test_run+0x409/0x900
[ 53.799146][ T5066] ? __pfx_bpf_test_run+0x10/0x10
[ 53.804223][ T5066] ? eth_type_trans+0x324/0x6c0
[ 53.809089][ T5066] ? __pfx_eth_type_trans+0x10/0x10
[ 53.814327][ T5066] ? convert___skb_to_skb+0x41/0x620
[ 53.819619][ T5066] bpf_prog_test_run_skb+0xafa/0x13a0
[ 53.825067][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 53.830897][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 53.836761][ T5066] bpf_prog_test_run+0x33a/0x3b0
[ 53.841723][ T5066] __sys_bpf+0x48d/0x810
[ 53.846010][ T5066] ? __pfx___sys_bpf+0x10/0x10
[ 53.850790][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 53.857147][ T5066] ? do_syscall_64+0x10a/0x240
[ 53.861921][ T5066] __x64_sys_bpf+0x7c/0x90
[ 53.866366][ T5066] do_syscall_64+0xfb/0x240
[ 53.870880][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 53.876803][ T5066] RIP: 0033:0x7f301a4ae669
[ 53.881222][ 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
[ 53.900869][ T5066] RSP: 002b:00007fffe6cb6d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 53.909338][ T5066] RAX: ffffffffffffffda RBX: 00007fffe6cb6f28 RCX: 00007f301a4ae669
[ 53.917352][ T5066] RDX: 0000000000000050 RSI: 00000000200002c0 RDI: 000000000000000a
[ 53.925360][ T5066] RBP: 00007f301a521610 R08: 0000000000000000 R09: 00007fffe6cb6f28
[ 53.933333][ T5066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 53.941330][ T5066] R13: 00007fffe6cb6f18 R14: 0000000000000001 R15: 0000000000000001
[ 53.949378][ T5066]
[ 53.952395][ T5066] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 53.959668][ T5066] CPU: 1 PID: 5066 Comm: syz-executor349 Not tainted 6.8.0-syzkaller-05271-gf99c5f563c17 #0
[ 53.969722][ T5066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 53.979767][ T5066] Call Trace:
[ 53.983038][ T5066]
[ 53.985963][ T5066] dump_stack_lvl+0x1e7/0x2e0
[ 53.990638][ T5066] ? __pfx_dump_stack_lvl+0x10/0x10
[ 53.995837][ T5066] ? __pfx__printk+0x10/0x10
[ 54.000417][ T5066] ? _printk+0xd5/0x120
[ 54.004571][ T5066] ? vscnprintf+0x5d/0x90
[ 54.008898][ T5066] panic+0x349/0x860
[ 54.012788][ T5066] ? __warn+0x172/0x4b0
[ 54.016940][ T5066] ? __pfx_panic+0x10/0x10
[ 54.021345][ T5066] ? show_trace_log_lvl+0x4e6/0x520
[ 54.026557][ T5066] __warn+0x31e/0x4b0
[ 54.030533][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 54.035816][ T5066] report_bug+0x2b3/0x500
[ 54.040155][ T5066] ? skb_ensure_writable+0x2ef/0x440
[ 54.045441][ T5066] handle_bug+0x3e/0x70
[ 54.049592][ T5066] exc_invalid_op+0x1a/0x50
[ 54.054100][ T5066] asm_exc_invalid_op+0x1a/0x20
[ 54.058957][ T5066] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 54.064850][ 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
[ 54.084448][ T5066] RSP: 0018:ffffc900039a78f0 EFLAGS: 00010293
[ 54.090529][ T5066] RAX: ffffffff8940fd9e RBX: ffff88802c6608c0 RCX: ffff88801bbd8000
[ 54.098499][ T5066] RDX: 0000000000000000 RSI: 00000000fffffff7 RDI: 0000000000000000
[ 54.106461][ T5066] RBP: 00000000fffffff7 R08: ffffffff8940fad7 R09: 1ffffffff1f0d5cd
[ 54.114424][ T5066] R10: dffffc0000000000 R11: ffffffffa0001ae4 R12: 00000000fffffff7
[ 54.122402][ T5066] R13: ffff88802c6608c0 R14: ffffc90000ace030 R15: dffffc0000000000
[ 54.130371][ T5066] ? 0xffffffffa0001ae4
[ 54.134519][ T5066] ? skb_ensure_writable+0x27/0x440
[ 54.139712][ T5066] ? skb_ensure_writable+0x2ee/0x440
[ 54.144998][ T5066] ? __pfx___cant_migrate+0x10/0x10
[ 54.150195][ T5066] ? __x64_sys_bpf+0x7c/0x90
[ 54.154778][ T5066] ? bpf_test_run+0x31e/0x900
[ 54.159451][ T5066] bpf_skb_pull_data+0x7c/0x230
[ 54.164299][ T5066] ? bpf_test_run+0x31e/0x900
[ 54.168970][ T5066] bpf_prog_c054a5fa89446ea8+0x24/0x47
[ 54.174420][ T5066] bpf_test_run+0x409/0x900
[ 54.178929][ T5066] ? __pfx_bpf_test_run+0x10/0x10
[ 54.183946][ T5066] ? eth_type_trans+0x324/0x6c0
[ 54.188819][ T5066] ? __pfx_eth_type_trans+0x10/0x10
[ 54.194029][ T5066] ? convert___skb_to_skb+0x41/0x620
[ 54.199312][ T5066] bpf_prog_test_run_skb+0xafa/0x13a0
[ 54.204697][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 54.210503][ T5066] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 54.216304][ T5066] bpf_prog_test_run+0x33a/0x3b0
[ 54.221238][ T5066] __sys_bpf+0x48d/0x810
[ 54.225477][ T5066] ? __pfx___sys_bpf+0x10/0x10
[ 54.230248][ T5066] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 54.236572][ T5066] ? do_syscall_64+0x10a/0x240
[ 54.241336][ T5066] __x64_sys_bpf+0x7c/0x90
[ 54.245748][ T5066] do_syscall_64+0xfb/0x240
[ 54.250249][ T5066] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 54.256150][ T5066] RIP: 0033:0x7f301a4ae669
[ 54.260560][ 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
[ 54.280168][ T5066] RSP: 002b:00007fffe6cb6d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 54.288581][ T5066] RAX: ffffffffffffffda RBX: 00007fffe6cb6f28 RCX: 00007f301a4ae669
[ 54.296545][ T5066] RDX: 0000000000000050 RSI: 00000000200002c0 RDI: 000000000000000a
[ 54.304519][ T5066] RBP: 00007f301a521610 R08: 0000000000000000 R09: 00007fffe6cb6f28
[ 54.312490][ T5066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 54.320465][ T5066] R13: 00007fffe6cb6f18 R14: 0000000000000001 R15: 0000000000000001
[ 54.328438][ T5066]
[ 54.331631][ T5066] Kernel Offset: disabled
[ 54.336002][ T5066] Rebooting in 86400 seconds..