./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1668593927
<...>
Warning: Permanently added '10.128.1.53' (ED25519) to the list of known hosts.
execve("./syz-executor1668593927", ["./syz-executor1668593927"], 0x7ffebe88a980 /* 10 vars */) = 0
brk(NULL) = 0x555592fa1000
brk(0x555592fa1d00) = 0x555592fa1d00
arch_prctl(ARCH_SET_FS, 0x555592fa1380) = 0
set_tid_address(0x555592fa1650) = 5081
set_robust_list(0x555592fa1660, 24) = 0
rseq(0x555592fa1ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1668593927", 4096) = 28
getrandom("\x0e\xc3\x9e\x14\x47\xb7\x2d\x18", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555592fa1d00
brk(0x555592fc2d00) = 0x555592fc2d00
brk(0x555592fc3000) = 0x555592fc3000
mprotect(0x7f4596e84000, 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
[ 56.426653][ T5081] ------------[ cut here ]------------
[ 56.432215][ T5081] WARNING: CPU: 0 PID: 5081 at include/linux/skbuff.h:2749 skb_ensure_writable+0x2ef/0x440
[ 56.442437][ T5081] Modules linked in:
[ 56.446509][ T5081] CPU: 0 PID: 5081 Comm: syz-executor166 Not tainted 6.9.0-rc5-syzkaller-01478-g7e2c7a3f732b #0
[ 56.457022][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 56.467251][ T5081] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 56.473143][ T5081] Code: e8 46 c6 47 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 87 05 fe ff e8 22 c6 47 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 ce c7 47 f8 45 39 e6
[ 56.493157][ T5081] RSP: 0018:ffffc90003cb78f0 EFLAGS: 00010293
[ 56.499273][ T5081] RAX: ffffffff894e562e RBX: ffff8880794ce640 RCX: ffff8880204cda00
[ 56.507609][ T5081] RDX: 0000000000000000 RSI: 00000000fffffff7 RDI: 0000000000000000
[ 56.516698][ T5081] RBP: 00000000fffffff7 R08: ffffffff894e5367 R09: 1ffffffff1f526d5
[ 56.526069][ T5081] R10: dffffc0000000000 R11: ffffffffa0001af4 R12: 00000000fffffff7
[ 56.534163][ T5081] R13: ffff8880794ce640 R14: ffffc90000ade030 R15: dffffc0000000000
[ 56.542355][ T5081] FS: 0000555592fa1380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 56.552124][ T5081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.558753][ T5081] CR2: 0000000030217388 CR3: 0000000074afa000 CR4: 00000000003506f0
[ 56.566771][ T5081] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.574779][ T5081] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.582772][ T5081] Call Trace:
[ 56.586166][ T5081]
[ 56.589123][ T5081] ? __warn+0x163/0x4e0
[ 56.593274][ T5081] ? skb_ensure_writable+0x2ef/0x440
[ 56.598656][ T5081] ? report_bug+0x2b3/0x500
[ 56.603222][ T5081] ? skb_ensure_writable+0x2ef/0x440
[ 56.608641][ T5081] ? handle_bug+0x3e/0x70
[ 56.613105][ T5081] ? exc_invalid_op+0x1a/0x50
[ 56.618123][ T5081] ? asm_exc_invalid_op+0x1a/0x20
[ 56.623253][ T5081] ? 0xffffffffa0001af4
[ 56.627463][ T5081] ? skb_ensure_writable+0x27/0x440
[ 56.632695][ T5081] ? skb_ensure_writable+0x2ee/0x440
[ 56.638061][ T5081] ? skb_ensure_writable+0x2ef/0x440
[ 56.643400][ T5081] ? __pfx___cant_migrate+0x10/0x10
[ 56.648662][ T5081] ? __x64_sys_bpf+0x7c/0x90
[ 56.653384][ T5081] ? bpf_test_run+0x31e/0x910
[ 56.658142][ T5081] bpf_skb_pull_data+0x7c/0x230
[ 56.663017][ T5081] ? bpf_test_run+0x31e/0x910
[ 56.667765][ T5081] bpf_prog_c054a5fa89446ea8+0x24/0x47
[ 56.673237][ T5081] bpf_test_run+0x409/0x910
[ 56.678007][ T5081] ? __pfx_bpf_test_run+0x10/0x10
[ 56.683046][ T5081] ? eth_type_trans+0x3d1/0x7a0
[ 56.687957][ T5081] ? __pfx_eth_type_trans+0x10/0x10
[ 56.693288][ T5081] ? convert___skb_to_skb+0x41/0x620
[ 56.698654][ T5081] bpf_prog_test_run_skb+0xafa/0x13a0
[ 56.704066][ T5081] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 56.710039][ T5081] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 56.715919][ T5081] bpf_prog_test_run+0x33a/0x3b0
[ 56.720882][ T5081] __sys_bpf+0x48d/0x810
[ 56.725197][ T5081] ? __pfx___sys_bpf+0x10/0x10
[ 56.730046][ T5081] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 56.736462][ T5081] ? do_syscall_64+0x102/0x240
[ 56.741257][ T5081] __x64_sys_bpf+0x7c/0x90
[ 56.745745][ T5081] do_syscall_64+0xf5/0x240
[ 56.750288][ T5081] ? clear_bhb_loop+0x35/0x90
[ 56.755009][ T5081] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 56.760933][ T5081] RIP: 0033:0x7f4596e11669
[ 56.765482][ T5081] 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
[ 56.785929][ T5081] RSP: 002b:00007ffe537e18a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 56.794332][ T5081] RAX: ffffffffffffffda RBX: 00007ffe537e1a78 RCX: 00007f4596e11669
[ 56.802366][ T5081] RDX: 0000000000000050 RSI: 00000000200002c0 RDI: 000000000000000a
[ 56.810394][ T5081] RBP: 00007f4596e84610 R08: 0000000000000000 R09: 00007ffe537e1a78
[ 56.818422][ T5081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.826449][ T5081] R13: 00007ffe537e1a68 R14: 0000000000000001 R15: 0000000000000001
[ 56.834420][ T5081]
[ 56.837480][ T5081] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 56.844770][ T5081] CPU: 0 PID: 5081 Comm: syz-executor166 Not tainted 6.9.0-rc5-syzkaller-01478-g7e2c7a3f732b #0
[ 56.855195][ T5081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 56.865233][ T5081] Call Trace:
[ 56.868506][ T5081]
[ 56.871440][ T5081] dump_stack_lvl+0x241/0x360
[ 56.876129][ T5081] ? __pfx_dump_stack_lvl+0x10/0x10
[ 56.881319][ T5081] ? __pfx__printk+0x10/0x10
[ 56.885896][ T5081] ? _printk+0xd5/0x120
[ 56.890060][ T5081] ? vscnprintf+0x5d/0x90
[ 56.894374][ T5081] panic+0x349/0x860
[ 56.898262][ T5081] ? __warn+0x172/0x4e0
[ 56.902422][ T5081] ? __pfx_panic+0x10/0x10
[ 56.906839][ T5081] ? show_trace_log_lvl+0x4e6/0x520
[ 56.912070][ T5081] __warn+0x346/0x4e0
[ 56.916213][ T5081] ? skb_ensure_writable+0x2ef/0x440
[ 56.921485][ T5081] report_bug+0x2b3/0x500
[ 56.925797][ T5081] ? skb_ensure_writable+0x2ef/0x440
[ 56.931068][ T5081] handle_bug+0x3e/0x70
[ 56.935217][ T5081] exc_invalid_op+0x1a/0x50
[ 56.939828][ T5081] asm_exc_invalid_op+0x1a/0x20
[ 56.944691][ T5081] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 56.950593][ T5081] Code: e8 46 c6 47 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 87 05 fe ff e8 22 c6 47 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 ce c7 47 f8 45 39 e6
[ 56.970338][ T5081] RSP: 0018:ffffc90003cb78f0 EFLAGS: 00010293
[ 56.976407][ T5081] RAX: ffffffff894e562e RBX: ffff8880794ce640 RCX: ffff8880204cda00
[ 56.984459][ T5081] RDX: 0000000000000000 RSI: 00000000fffffff7 RDI: 0000000000000000
[ 56.992511][ T5081] RBP: 00000000fffffff7 R08: ffffffff894e5367 R09: 1ffffffff1f526d5
[ 57.000465][ T5081] R10: dffffc0000000000 R11: ffffffffa0001af4 R12: 00000000fffffff7
[ 57.008440][ T5081] R13: ffff8880794ce640 R14: ffffc90000ade030 R15: dffffc0000000000
[ 57.016417][ T5081] ? 0xffffffffa0001af4
[ 57.020660][ T5081] ? skb_ensure_writable+0x27/0x440
[ 57.025863][ T5081] ? skb_ensure_writable+0x2ee/0x440
[ 57.031137][ T5081] ? __pfx___cant_migrate+0x10/0x10
[ 57.036353][ T5081] ? __x64_sys_bpf+0x7c/0x90
[ 57.040935][ T5081] ? bpf_test_run+0x31e/0x910
[ 57.045600][ T5081] bpf_skb_pull_data+0x7c/0x230
[ 57.050439][ T5081] ? bpf_test_run+0x31e/0x910
[ 57.055189][ T5081] bpf_prog_c054a5fa89446ea8+0x24/0x47
[ 57.060653][ T5081] bpf_test_run+0x409/0x910
[ 57.065191][ T5081] ? __pfx_bpf_test_run+0x10/0x10
[ 57.070258][ T5081] ? eth_type_trans+0x3d1/0x7a0
[ 57.075200][ T5081] ? __pfx_eth_type_trans+0x10/0x10
[ 57.080526][ T5081] ? convert___skb_to_skb+0x41/0x620
[ 57.085936][ T5081] bpf_prog_test_run_skb+0xafa/0x13a0
[ 57.091371][ T5081] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 57.097350][ T5081] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 57.103188][ T5081] bpf_prog_test_run+0x33a/0x3b0
[ 57.108258][ T5081] __sys_bpf+0x48d/0x810
[ 57.112592][ T5081] ? __pfx___sys_bpf+0x10/0x10
[ 57.117380][ T5081] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 57.123709][ T5081] ? do_syscall_64+0x102/0x240
[ 57.128548][ T5081] __x64_sys_bpf+0x7c/0x90
[ 57.133064][ T5081] do_syscall_64+0xf5/0x240
[ 57.137627][ T5081] ? clear_bhb_loop+0x35/0x90
[ 57.142306][ T5081] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 57.148284][ T5081] RIP: 0033:0x7f4596e11669
[ 57.152725][ T5081] 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
[ 57.172344][ T5081] RSP: 002b:00007ffe537e18a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 57.180838][ T5081] RAX: ffffffffffffffda RBX: 00007ffe537e1a78 RCX: 00007f4596e11669
[ 57.189004][ T5081] RDX: 0000000000000050 RSI: 00000000200002c0 RDI: 000000000000000a
[ 57.196969][ T5081] RBP: 00007f4596e84610 R08: 0000000000000000 R09: 00007ffe537e1a78
[ 57.205109][ T5081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.213062][ T5081] R13: 00007ffe537e1a68 R14: 0000000000000001 R15: 0000000000000001
[ 57.221055][ T5081]
[ 57.224479][ T5081] Kernel Offset: disabled
[ 57.228847][ T5081] Rebooting in 86400 seconds..