./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1736058703
<...>
Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts.
execve("./syz-executor1736058703", ["./syz-executor1736058703"], 0x7ffc220c1120 /* 10 vars */) = 0
brk(NULL) = 0x55556af7c000
brk(0x55556af7cd00) = 0x55556af7cd00
arch_prctl(ARCH_SET_FS, 0x55556af7c380) = 0
set_tid_address(0x55556af7c650) = 5088
set_robust_list(0x55556af7c660, 24) = 0
rseq(0x55556af7cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1736058703", 4096) = 28
getrandom("\xc4\x3a\x1b\x49\x05\xbf\xba\xba", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556af7cd00
brk(0x55556af9dd00) = 0x55556af9dd00
brk(0x55556af9e000) = 0x55556af9e000
mprotect(0x7f81db08c000, 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=0x20000240, 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
[ 58.334232][ T5088] ------------[ cut here ]------------
[ 58.339871][ T5088] WARNING: CPU: 1 PID: 5088 at include/linux/skbuff.h:2749 skb_ensure_writable+0x2ef/0x440
[ 58.349914][ T5088] Modules linked in:
[ 58.353821][ T5088] CPU: 1 PID: 5088 Comm: syz-executor173 Not tainted 6.9.0-rc5-syzkaller-01478-g7e2c7a3f732b #0
[ 58.364268][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 58.374354][ T5088] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 58.380295][ T5088] 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
[ 58.400052][ T5088] RSP: 0018:ffffc9000357f8f0 EFLAGS: 00010293
[ 58.406159][ T5088] RAX: ffffffff894e562e RBX: ffff888076b4b3c0 RCX: ffff888026855a00
[ 58.414140][ T5088] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 58.422151][ T5088] RBP: 0000000080000000 R08: ffffffff894e5367 R09: 1ffffffff1f526d5
[ 58.430160][ T5088] R10: dffffc0000000000 R11: ffffffffa00007dc R12: 0000000080000000
[ 58.438158][ T5088] R13: ffff888076b4b3c0 R14: ffffc90000aee030 R15: dffffc0000000000
[ 58.446189][ T5088] FS: 000055556af7c380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 58.455107][ T5088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 58.461713][ T5088] CR2: 000000002436f398 CR3: 00000000788f6000 CR4: 00000000003506f0
[ 58.469717][ T5088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 58.477718][ T5088] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 58.485731][ T5088] Call Trace:
[ 58.488999][ T5088]
[ 58.491918][ T5088] ? __warn+0x163/0x4e0
[ 58.496108][ T5088] ? skb_ensure_writable+0x2ef/0x440
[ 58.501405][ T5088] ? report_bug+0x2b3/0x500
[ 58.505954][ T5088] ? skb_ensure_writable+0x2ef/0x440
[ 58.511260][ T5088] ? handle_bug+0x3e/0x70
[ 58.515634][ T5088] ? exc_invalid_op+0x1a/0x50
[ 58.520318][ T5088] ? asm_exc_invalid_op+0x1a/0x20
[ 58.525332][ T5088] ? 0xffffffffa00007dc
[ 58.529523][ T5088] ? skb_ensure_writable+0x27/0x440
[ 58.534738][ T5088] ? skb_ensure_writable+0x2ee/0x440
[ 58.540066][ T5088] ? skb_ensure_writable+0x2ef/0x440
[ 58.545362][ T5088] ? __pfx___cant_migrate+0x10/0x10
[ 58.550610][ T5088] ? __x64_sys_bpf+0x7c/0x90
[ 58.555212][ T5088] ? bpf_test_run+0x31e/0x910
[ 58.559950][ T5088] bpf_skb_pull_data+0x7c/0x230
[ 58.564926][ T5088] ? bpf_test_run+0x31e/0x910
[ 58.569650][ T5088] bpf_prog_ae7213afad14896d+0x24/0x47
[ 58.575113][ T5088] bpf_test_run+0x409/0x910
[ 58.579674][ T5088] ? __pfx_bpf_test_run+0x10/0x10
[ 58.584704][ T5088] ? eth_type_trans+0x3d1/0x7a0
[ 58.589603][ T5088] ? __pfx_eth_type_trans+0x10/0x10
[ 58.594809][ T5088] ? convert___skb_to_skb+0x41/0x620
[ 58.600136][ T5088] bpf_prog_test_run_skb+0xafa/0x13a0
[ 58.605529][ T5088] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 58.611393][ T5088] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 58.617243][ T5088] bpf_prog_test_run+0x33a/0x3b0
[ 58.622197][ T5088] __sys_bpf+0x48d/0x810
[ 58.626482][ T5088] ? __pfx___sys_bpf+0x10/0x10
[ 58.631267][ T5088] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 58.637631][ T5088] ? do_syscall_64+0x102/0x240
[ 58.642415][ T5088] __x64_sys_bpf+0x7c/0x90
[ 58.646872][ T5088] do_syscall_64+0xf5/0x240
[ 58.651384][ T5088] ? clear_bhb_loop+0x35/0x90
[ 58.656101][ T5088] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 58.662052][ T5088] RIP: 0033:0x7f81db0194e9
[ 58.666503][ T5088] 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
[ 58.686165][ T5088] RSP: 002b:00007fff783b8468 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 58.694593][ T5088] RAX: ffffffffffffffda RBX: 00007fff783b8638 RCX: 00007f81db0194e9
[ 58.702601][ T5088] RDX: 0000000000000048 RSI: 00000000200002c0 RDI: 000000000000000a
[ 58.710633][ T5088] RBP: 00007f81db08c610 R08: 0000000000000000 R09: 00007fff783b8638
[ 58.718648][ T5088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 58.726661][ T5088] R13: 00007fff783b8628 R14: 0000000000000001 R15: 0000000000000001
[ 58.734641][ T5088]
[ 58.737693][ T5088] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 58.744974][ T5088] CPU: 1 PID: 5088 Comm: syz-executor173 Not tainted 6.9.0-rc5-syzkaller-01478-g7e2c7a3f732b #0
[ 58.755367][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 58.765409][ T5088] Call Trace:
[ 58.768680][ T5088]
[ 58.771595][ T5088] dump_stack_lvl+0x241/0x360
[ 58.776262][ T5088] ? __pfx_dump_stack_lvl+0x10/0x10
[ 58.781448][ T5088] ? __pfx__printk+0x10/0x10
[ 58.786022][ T5088] ? _printk+0xd5/0x120
[ 58.790163][ T5088] ? vscnprintf+0x5d/0x90
[ 58.794474][ T5088] panic+0x349/0x860
[ 58.798363][ T5088] ? __warn+0x172/0x4e0
[ 58.802505][ T5088] ? __pfx_panic+0x10/0x10
[ 58.806901][ T5088] ? show_trace_log_lvl+0x4e6/0x520
[ 58.812089][ T5088] __warn+0x346/0x4e0
[ 58.816054][ T5088] ? skb_ensure_writable+0x2ef/0x440
[ 58.821325][ T5088] report_bug+0x2b3/0x500
[ 58.825633][ T5088] ? skb_ensure_writable+0x2ef/0x440
[ 58.830901][ T5088] handle_bug+0x3e/0x70
[ 58.835037][ T5088] exc_invalid_op+0x1a/0x50
[ 58.839521][ T5088] asm_exc_invalid_op+0x1a/0x20
[ 58.844361][ T5088] RIP: 0010:skb_ensure_writable+0x2ef/0x440
[ 58.850235][ T5088] 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
[ 58.869818][ T5088] RSP: 0018:ffffc9000357f8f0 EFLAGS: 00010293
[ 58.875870][ T5088] RAX: ffffffff894e562e RBX: ffff888076b4b3c0 RCX: ffff888026855a00
[ 58.883820][ T5088] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 58.891856][ T5088] RBP: 0000000080000000 R08: ffffffff894e5367 R09: 1ffffffff1f526d5
[ 58.899806][ T5088] R10: dffffc0000000000 R11: ffffffffa00007dc R12: 0000000080000000
[ 58.907758][ T5088] R13: ffff888076b4b3c0 R14: ffffc90000aee030 R15: dffffc0000000000
[ 58.915715][ T5088] ? 0xffffffffa00007dc
[ 58.919850][ T5088] ? skb_ensure_writable+0x27/0x440
[ 58.925031][ T5088] ? skb_ensure_writable+0x2ee/0x440
[ 58.930300][ T5088] ? __pfx___cant_migrate+0x10/0x10
[ 58.935477][ T5088] ? __x64_sys_bpf+0x7c/0x90
[ 58.940054][ T5088] ? bpf_test_run+0x31e/0x910
[ 58.944713][ T5088] bpf_skb_pull_data+0x7c/0x230
[ 58.949545][ T5088] ? bpf_test_run+0x31e/0x910
[ 58.954206][ T5088] bpf_prog_ae7213afad14896d+0x24/0x47
[ 58.959644][ T5088] bpf_test_run+0x409/0x910
[ 58.964138][ T5088] ? __pfx_bpf_test_run+0x10/0x10
[ 58.969144][ T5088] ? eth_type_trans+0x3d1/0x7a0
[ 58.973981][ T5088] ? __pfx_eth_type_trans+0x10/0x10
[ 58.979177][ T5088] ? convert___skb_to_skb+0x41/0x620
[ 58.984444][ T5088] bpf_prog_test_run_skb+0xafa/0x13a0
[ 58.989811][ T5088] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 58.995614][ T5088] ? __pfx_bpf_prog_test_run_skb+0x10/0x10
[ 59.001402][ T5088] bpf_prog_test_run+0x33a/0x3b0
[ 59.006324][ T5088] __sys_bpf+0x48d/0x810
[ 59.010548][ T5088] ? __pfx___sys_bpf+0x10/0x10
[ 59.015303][ T5088] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 59.021610][ T5088] ? do_syscall_64+0x102/0x240
[ 59.026358][ T5088] __x64_sys_bpf+0x7c/0x90
[ 59.030754][ T5088] do_syscall_64+0xf5/0x240
[ 59.035238][ T5088] ? clear_bhb_loop+0x35/0x90
[ 59.039900][ T5088] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 59.045778][ T5088] RIP: 0033:0x7f81db0194e9
[ 59.050175][ T5088] 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
[ 59.069763][ T5088] RSP: 002b:00007fff783b8468 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 59.078156][ T5088] RAX: ffffffffffffffda RBX: 00007fff783b8638 RCX: 00007f81db0194e9
[ 59.086107][ T5088] RDX: 0000000000000048 RSI: 00000000200002c0 RDI: 000000000000000a
[ 59.094057][ T5088] RBP: 00007f81db08c610 R08: 0000000000000000 R09: 00007fff783b8638
[ 59.102023][ T5088] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 59.109989][ T5088] R13: 00007fff783b8628 R14: 0000000000000001 R15: 0000000000000001
[ 59.117954][ T5088]
[ 59.121090][ T5088] Kernel Offset: disabled
[ 59.125426][ T5088] Rebooting in 86400 seconds..