./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3653971962
<...>
Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts.
execve("./syz-executor3653971962", ["./syz-executor3653971962"], 0x7ffd274814f0 /* 10 vars */) = 0
brk(NULL) = 0x555556fa9000
brk(0x555556fa9d00) = 0x555556fa9d00
arch_prctl(ARCH_SET_FS, 0x555556fa9380) = 0
set_tid_address(0x555556fa9650) = 5074
set_robust_list(0x555556fa9660, 24) = 0
rseq(0x555556fa9ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3653971962", 4096) = 28
getrandom("\x79\xd8\x2b\x7a\x90\xf5\xbe\xc6", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556fa9d00
brk(0x555556fcad00) = 0x555556fcad00
brk(0x555556fcb000) = 0x555556fcb000
mprotect(0x7f6a0478f000, 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=4, insns=0x20000200, 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_XDP, 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
[ 56.362544][ T5074] ------------[ cut here ]------------
[ 56.368161][ T5074] WARNING: CPU: 1 PID: 5074 at include/linux/skbuff.h:2723 skb_ensure_writable+0x2ef/0x440
[ 56.378226][ T5074] Modules linked in:
[ 56.382160][ T5074] CPU: 1 PID: 5074 Comm: syz-executor365 Not tainted 6.8.0-rc5-syzkaller-01654-g4ac828960a60 #0
[ 56.392645][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
[ 56.402788][ T5074] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 56.408739][ T5074] Code: e8 b6 f7 57 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 17 04 fe ff e8 92 f7 57 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 3e f9 57 f8 45 39 e6
[ 56.428622][ T5074] RSP: 0018:ffffc900039ef8f8 EFLAGS: 00010293
[ 56.434744][ T5074] RAX: ffffffff893b75de RBX: ffff88802c8a1000 RCX: ffff88802a155940
[ 56.442802][ T5074] RDX: 0000000000000000 RSI: 00000000fb6014e4 RDI: 0000000000000000
[ 56.450824][ T5074] RBP: 00000000fb6014e4 R08: ffffffff893b7317 R09: 1ffffffff1f0bcb5
[ 56.458866][ T5074] R10: dffffc0000000000 R11: ffffffffa0000954 R12: 00000000fb6014e4
[ 56.466903][ T5074] R13: ffff88802c8a1000 R14: ffffc90000b06030 R15: dffffc0000000000
[ 56.474888][ T5074] FS: 0000555556fa9380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 56.483859][ T5074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.490485][ T5074] CR2: 0000000001b7b398 CR3: 00000000241e8000 CR4: 00000000003506f0
[ 56.498531][ T5074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.506536][ T5074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.514563][ T5074] Call Trace:
[ 56.517877][ T5074]
[ 56.520797][ T5074] ? __warn+0x162/0x4b0
[ 56.524945][ T5074] ? skb_ensure_writable+0x2ef/0x440
[ 56.530276][ T5074] ? report_bug+0x2b3/0x500
[ 56.534896][ T5074] ? skb_ensure_writable+0x2ef/0x440
[ 56.540235][ T5074] ? handle_bug+0x3e/0x70
[ 56.544571][ T5074] ? exc_invalid_op+0x1a/0x50
[ 56.549281][ T5074] ? asm_exc_invalid_op+0x1a/0x20
[ 56.554317][ T5074] ? 0xffffffffa0000954
[ 56.558510][ T5074] ? skb_ensure_writable+0x27/0x440
[ 56.563722][ T5074] ? skb_ensure_writable+0x2ee/0x440
[ 56.569051][ T5074] ? skb_ensure_writable+0x2ef/0x440
[ 56.574348][ T5074] ? skb_ensure_writable+0x2ee/0x440
[ 56.579700][ T5074] ? __x64_sys_bpf+0x7c/0x90
[ 56.584329][ T5074] ? bpf_test_run+0x31d/0x900
[ 56.589061][ T5074] bpf_skb_pull_data+0x7c/0x230
[ 56.593947][ T5074] ? bpf_test_run+0x31d/0x900
[ 56.598694][ T5074] bpf_prog_ca74b6b79e086095+0x1d/0x1f
[ 56.604164][ T5074] bpf_test_run+0x408/0x900
[ 56.608757][ T5074] ? __pfx_bpf_test_run+0x10/0x10
[ 56.613809][ T5074] ? eth_type_trans+0x324/0x6c0
[ 56.618726][ T5074] ? __pfx_eth_type_trans+0x10/0x10
[ 56.623937][ T5074] ? convert___skb_to_skb+0x41/0x620
[ 56.629309][ T5074] bpf_prog_test_run_skb+0xaf9/0x13a0
[ 56.634721][ T5074] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 56.640581][ T5074] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 56.646489][ T5074] bpf_prog_test_run+0x33a/0x3b0
[ 56.651483][ T5074] __sys_bpf+0x48d/0x810
[ 56.655741][ T5074] ? __pfx___sys_bpf+0x10/0x10
[ 56.660603][ T5074] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 56.666994][ T5074] ? do_syscall_64+0x108/0x240
[ 56.671758][ T5074] __x64_sys_bpf+0x7c/0x90
[ 56.676185][ T5074] do_syscall_64+0xf9/0x240
[ 56.680751][ T5074] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 56.686715][ T5074] RIP: 0033:0x7f6a0471c4a9
[ 56.691167][ T5074] 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
[ 56.711044][ T5074] RSP: 002b:00007ffcdcead7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 56.719586][ T5074] RAX: ffffffffffffffda RBX: 00007ffcdcead9b8 RCX: 00007f6a0471c4a9
[ 56.727616][ T5074] RDX: 0000000000000050 RSI: 0000000020000080 RDI: 000000000000000a
[ 56.735613][ T5074] RBP: 00007f6a0478f610 R08: 0000000000000000 R09: 00007ffcdcead9b8
[ 56.743639][ T5074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 56.751649][ T5074] R13: 00007ffcdcead9a8 R14: 0000000000000001 R15: 0000000000000001
[ 56.759670][ T5074]
[ 56.762696][ T5074] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 56.770046][ T5074] CPU: 1 PID: 5074 Comm: syz-executor365 Not tainted 6.8.0-rc5-syzkaller-01654-g4ac828960a60 #0
[ 56.780438][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
[ 56.790476][ T5074] Call Trace:
[ 56.793739][ T5074]
[ 56.796656][ T5074] dump_stack_lvl+0x1e7/0x2e0
[ 56.801355][ T5074] ? __pfx_dump_stack_lvl+0x10/0x10
[ 56.806539][ T5074] ? __pfx__printk+0x10/0x10
[ 56.811120][ T5074] ? _printk+0xd5/0x120
[ 56.815267][ T5074] ? vscnprintf+0x5d/0x90
[ 56.819589][ T5074] panic+0x349/0x860
[ 56.823472][ T5074] ? __warn+0x171/0x4b0
[ 56.827613][ T5074] ? __pfx_panic+0x10/0x10
[ 56.832011][ T5074] ? show_trace_log_lvl+0x4e4/0x520
[ 56.837206][ T5074] __warn+0x31c/0x4b0
[ 56.841173][ T5074] ? skb_ensure_writable+0x2ef/0x440
[ 56.846448][ T5074] report_bug+0x2b3/0x500
[ 56.850768][ T5074] ? skb_ensure_writable+0x2ef/0x440
[ 56.856056][ T5074] handle_bug+0x3e/0x70
[ 56.860204][ T5074] exc_invalid_op+0x1a/0x50
[ 56.864697][ T5074] asm_exc_invalid_op+0x1a/0x20
[ 56.869540][ T5074] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 56.875435][ T5074] Code: e8 b6 f7 57 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 17 04 fe ff e8 92 f7 57 f8 90 <0f> 0b 90 e9 3e fd ff ff 44 89 f7 44 89 e6 e8 3e f9 57 f8 45 39 e6
[ 56.895031][ T5074] RSP: 0018:ffffc900039ef8f8 EFLAGS: 00010293
[ 56.901095][ T5074] RAX: ffffffff893b75de RBX: ffff88802c8a1000 RCX: ffff88802a155940
[ 56.909063][ T5074] RDX: 0000000000000000 RSI: 00000000fb6014e4 RDI: 0000000000000000
[ 56.917026][ T5074] RBP: 00000000fb6014e4 R08: ffffffff893b7317 R09: 1ffffffff1f0bcb5
[ 56.924990][ T5074] R10: dffffc0000000000 R11: ffffffffa0000954 R12: 00000000fb6014e4
[ 56.932954][ T5074] R13: ffff88802c8a1000 R14: ffffc90000b06030 R15: dffffc0000000000
[ 56.940924][ T5074] ? 0xffffffffa0000954
[ 56.945074][ T5074] ? skb_ensure_writable+0x27/0x440
[ 56.950268][ T5074] ? skb_ensure_writable+0x2ee/0x440
[ 56.955559][ T5074] ? skb_ensure_writable+0x2ee/0x440
[ 56.960847][ T5074] ? __x64_sys_bpf+0x7c/0x90
[ 56.965434][ T5074] ? bpf_test_run+0x31d/0x900
[ 56.970108][ T5074] bpf_skb_pull_data+0x7c/0x230
[ 56.974966][ T5074] ? bpf_test_run+0x31d/0x900
[ 56.979638][ T5074] bpf_prog_ca74b6b79e086095+0x1d/0x1f
[ 56.985094][ T5074] bpf_test_run+0x408/0x900
[ 56.989606][ T5074] ? __pfx_bpf_test_run+0x10/0x10
[ 56.994629][ T5074] ? eth_type_trans+0x324/0x6c0
[ 56.999476][ T5074] ? __pfx_eth_type_trans+0x10/0x10
[ 57.004669][ T5074] ? convert___skb_to_skb+0x41/0x620
[ 57.009950][ T5074] bpf_prog_test_run_skb+0xaf9/0x13a0
[ 57.015331][ T5074] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 57.021138][ T5074] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 57.026943][ T5074] bpf_prog_test_run+0x33a/0x3b0
[ 57.031885][ T5074] __sys_bpf+0x48d/0x810
[ 57.036123][ T5074] ? __pfx___sys_bpf+0x10/0x10
[ 57.040893][ T5074] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 57.047222][ T5074] ? do_syscall_64+0x108/0x240
[ 57.051993][ T5074] __x64_sys_bpf+0x7c/0x90
[ 57.056402][ T5074] do_syscall_64+0xf9/0x240
[ 57.060908][ T5074] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 57.066798][ T5074] RIP: 0033:0x7f6a0471c4a9
[ 57.071206][ T5074] 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
[ 57.090811][ T5074] RSP: 002b:00007ffcdcead7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 57.099221][ T5074] RAX: ffffffffffffffda RBX: 00007ffcdcead9b8 RCX: 00007f6a0471c4a9
[ 57.107194][ T5074] RDX: 0000000000000050 RSI: 0000000020000080 RDI: 000000000000000a
[ 57.115179][ T5074] RBP: 00007f6a0478f610 R08: 0000000000000000 R09: 00007ffcdcead9b8
[ 57.123152][ T5074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.131137][ T5074] R13: 00007ffcdcead9a8 R14: 0000000000000001 R15: 0000000000000001
[ 57.139124][ T5074]
[ 57.142319][ T5074] Kernel Offset: disabled
[ 57.146695][ T5074] Rebooting in 86400 seconds..