ci-upstream-net-this-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-net-this-kasan-gce/syz-executor1239031888
<...>
Warning: Permanently added '10.128.1.49' (ED25519) to the list of known hosts.
execve("ci-upstream-net-this-kasan-gce/syz-executor1239031888", ["ci-upstream-net-this-kasan-gce/syz-executor1239031888"], 0x7fffc5402d50 /* 10 vars */) = 0
brk(NULL) = 0x555568797000
brk(0x555568797d80) = 0x555568797d80
arch_prctl(ARCH_SET_FS, 0x555568797400) = 0
set_tid_address(0x5555687976d0) = 5627
set_robust_list(0x5555687976e0, 24) = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-net-this-kasan-gce/syz-executor1239031888", 4096) = 59
getrandom("\x5f\x7c\x07\x63\x3e\xa9\xb3\xce", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555568797d80
brk(0x5555687b8d80) = 0x5555687b8d80
brk(0x5555687b9000) = 0x5555687b9000
mprotect(0x7f0d205c6000, 20480, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
executing program
write(1, "executing program\n", 18) = 18
bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_HASH, key_size=4, value_size=8, max_entries=10, map_flags=0, inner_map_fd=0, map_name="", map_ifindex=0, btf_fd=0, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3
bpf(BPF_BTF_LOAD, {btf="\x9f\xeb\x01\x00\x18\x00\x00\x00\x00\x00\x00\x00\x34\x00\x00\x00\x34\x00\x00\x00\x0e\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x01\x04\x00\x00\x00\x20\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0d\x01\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x0c\x02\x00\x00\x00\x0a\x00\x00\x00\x00\x00\x00\x0c\x02\x00\x00\x00\x00\x69\x6e\x74\x00\x6d\x61\x69\x6e\x00\x73\x00\x00\x00", btf_log_buf=NULL, btf_size=90, btf_log_size=0, btf_log_level=0, btf_log_true_size=0, btf_flags=0, btf_token_fd=0}, 40) = 4
bpf(BPF_PROG_TEST_RUN, {test={prog_fd=-1, retval=0, data_size_in=5, data_size_out=0, data_in=0x200000000608, data_out=NULL, repeat=0, duration=0, ctx_size_in=0, ctx_size_out=0, ctx_in=NULL, ctx_out=NULL, flags=0, cpu=0, batch_size=0}}, 80) = -1 EBADF (Bad file descriptor)
[ 84.412719
** replaying previous printk message **
[ 84.412719][ T5627] ------------[ cut here ]------------
[ 84.412776][ T5627] verifier bug: backtracking misuse
[ 84.412819][ T5627] WARNING: kernel/bpf/backtrack.c:819 at bpf_mark_chain_precision+0x5c90/0x7c20, CPU#1: syz-executor123/5627
[ 84.440006][ T5627] Modules linked in:
[ 84.443933][ T5627] CPU: 1 UID: 0 PID: 5627 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full)
[ 84.453752][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 84.463876][ T5627] RIP: 0010:bpf_mark_chain_precision+0x5c90/0x7c20
[ 84.470455][ T5627] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 16 ff ff ff 48 89 df e8 c1 7b 44 00 e9 09 ff ff ff e8 77 b2 d4 ff 48 8d 3d a0 0c 8b 0e <67> 48 0f b9 3a 48 8b 3c 24 48 81 c7 88 08 00 00 48 c7 c6 60 df 16
[ 84.490167][ T5627] RSP: 0018:ffffc9000386f220 EFLAGS: 00010293
[ 84.496268][ T5627] RAX: ffffffff81f308a9 RBX: 0000000000000001 RCX: ffff888029cd3e80
[ 84.504312][ T5627] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffffffff907e1550
[ 84.512338][ T5627] RBP: 0000000000000003 R08: ffff888029cd3e80 R09: 0000000000000003
[ 84.520386][ T5627] R10: 0000000000000007 R11: 0000000000000000 R12: ffff88807f2a5850
[ 84.528417][ T5627] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[ 84.536479][ T5627] FS: 0000555568797400(0000) GS:ffff888124dd9000(0000) knlGS:0000000000000000
[ 84.545493][ T5627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 84.552177][ T5627] CR2: 00000000006a9ee0 CR3: 0000000079e78000 CR4: 00000000003526f0
[ 84.560203][ T5627] Call Trace:
[ 84.563502][ T5627]
[ 84.566460][ T5627] ? update_loop_inline_state+0x22a/0x610
[ 84.572296][ T5627] do_check_insn+0x12c6d/0x17d70
[ 84.577298][ T5627] ? __pfx_do_check_insn+0x10/0x10
[ 84.582533][ T5627] ? verbose+0x11d/0x1a0
[ 84.586820][ T5627] ? __pfx_bpf_verifier_log_write+0x10/0x10
[ 84.592797][ T5627] ? __pfx_verbose+0x10/0x10
[ 84.597431][ T5627] ? bpf_vlog_reset+0x2aa/0x340
[ 84.602376][ T5627] ? print_insn_state+0x106/0x170
[ 84.607462][ T5627] do_check_common+0x3c19/0x5d30
[ 84.612532][ T5627] ? __pfx_do_check_common+0x10/0x10
[ 84.617852][ T5627] ? __pfx_verbose+0x10/0x10
[ 84.622529][ T5627] ? __pfx_bpf_disasm_kfunc_name+0x10/0x10
[ 84.628563][ T5627] bpf_check+0x2639/0x2e10
[ 84.633096][ T5627] ? ktime_get_with_offset+0x93/0x2d0
[ 84.638508][ T5627] ? __pfx_bpf_check+0x10/0x10
[ 84.643470][ T5627] ? bpf_obj_name_cpy+0x194/0x1e0
[ 84.648564][ T5627] bpf_prog_load+0x14d6/0x1c20
[ 84.653439][ T5627] ? __pfx_bpf_prog_load+0x10/0x10
[ 84.658698][ T5627] __sys_bpf+0xd0d/0xd90
[ 84.663052][ T5627] ? __pfx___sys_bpf+0x10/0x10
[ 84.667853][ T5627] ? do_raw_spin_lock+0x12b/0x2f0
[ 84.673022][ T5627] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 84.678467][ T5627] ? __pfx_ptrace_notify+0x10/0x10
[ 84.683694][ T5627] __x64_sys_bpf+0xba/0xd0
[ 84.688143][ T5627] do_syscall_64+0x166/0x520
[ 84.692821][ T5627] ? trace_irq_disable+0x3b/0x140
[ 84.697874][ T5627] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.704067][ T5627] ? clear_bhb_loop+0x70/0xc0
[ 84.708782][ T5627] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 84.714748][ T5627] RIP: 0033:0x7f0d20535ef9
[ 84.719209][ T5627] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 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 d8 ff ff ff f7 d8 64 89 01 48
[ 84.738916][ T5627] RSP: 002b:00007fff9b080398 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 84.747489][ T5627] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f0d20535ef9
[ 84.755539][ T5627] RDX: 0000000000000080 RSI: 0000200000000300 RDI: 0000000000000005
[ 84.763593][ T5627] RBP: 0000000000000001 R08: 00007fff9b0804c8 R09: 00007fff9b0804c8
[ 84.771636][ T5627] R10: 00007fff9b0804c8 R11: 0000000000000246 R12: 00007fff9b0804b8
[ 84.779632][ T5627] R13: 0000000000000002 R14: 00007f0d205c6ca0 R15: 0000000000000002
[ 84.787704][ T5627]
[ 84.791292][ T5627] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 84.798594][ T5627] CPU: 1 UID: 0 PID: 5627 Comm: syz-executor123 Not tainted syzkaller #0 PREEMPT(full)
[ 84.808325][ T5627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 84.818389][ T5627] Call Trace:
[ 84.821682][ T5627]
[ 84.824617][ T5627] vpanic+0x56d/0xa60
[ 84.828612][ T5627] ? __pfx__printk+0x10/0x10
[ 84.833205][ T5627] ? __pfx_vpanic+0x10/0x10
[ 84.837722][ T5627] ? is_bpf_text_address+0x292/0x2b0
[ 84.843018][ T5627] ? is_bpf_text_address+0x26/0x2b0
[ 84.848228][ T5627] panic+0xc5/0xd0
[ 84.851959][ T5627] ? __pfx_panic+0x10/0x10
[ 84.856398][ T5627] __warn+0x315/0x4c0
[ 84.860417][ T5627] ? bpf_mark_chain_precision+0x5c90/0x7c20
[ 84.866321][ T5627] ? bpf_mark_chain_precision+0x5c90/0x7c20
[ 84.872220][ T5627] __report_bug+0x276/0x570
[ 84.876744][ T5627] ? bpf_mark_chain_precision+0x5c90/0x7c20
[ 84.882662][ T5627] ? __pfx___report_bug+0x10/0x10
[ 84.887695][ T5627] ? number+0xc60/0xed0
[ 84.891865][ T5627] ? __pfx_number+0x10/0x10
[ 84.896383][ T5627] report_bug_entry+0x19b/0x290
[ 84.901248][ T5627] ? bpf_mark_chain_precision+0x5c90/0x7c20
[ 84.907158][ T5627] ? bpf_mark_chain_precision+0x5c95/0x7c20
[ 84.913068][ T5627] handle_bug+0xce/0x200
[ 84.917327][ T5627] exc_invalid_op+0x1a/0x50
[ 84.921847][ T5627] asm_exc_invalid_op+0x1a/0x20
[ 84.926717][ T5627] RIP: 0010:bpf_mark_chain_precision+0x5c90/0x7c20
[ 84.933241][ T5627] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 16 ff ff ff 48 89 df e8 c1 7b 44 00 e9 09 ff ff ff e8 77 b2 d4 ff 48 8d 3d a0 0c 8b 0e <67> 48 0f b9 3a 48 8b 3c 24 48 81 c7 88 08 00 00 48 c7 c6 60 df 16
[ 84.952869][ T5627] RSP: 0018:ffffc9000386f220 EFLAGS: 00010293
[ 84.958966][ T5627] RAX: ffffffff81f308a9 RBX: 0000000000000001 RCX: ffff888029cd3e80
[ 84.966997][ T5627] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffffffff907e1550
[ 84.974991][ T5627] RBP: 0000000000000003 R08: ffff888029cd3e80 R09: 0000000000000003
[ 84.982979][ T5627] R10: 0000000000000007 R11: 0000000000000000 R12: ffff88807f2a5850
[ 84.990967][ T5627] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[ 84.998965][ T5627] ? bpf_mark_chain_precision+0x5c89/0x7c20
[ 85.004906][ T5627] ? update_loop_inline_state+0x22a/0x610
[ 85.010656][ T5627] do_check_insn+0x12c6d/0x17d70
[ 85.015644][ T5627] ? __pfx_do_check_insn+0x10/0x10
[ 85.020807][ T5627] ? verbose+0x11d/0x1a0
[ 85.025081][ T5627] ? __pfx_bpf_verifier_log_write+0x10/0x10
[ 85.031007][ T5627] ? __pfx_verbose+0x10/0x10
[ 85.035626][ T5627] ? bpf_vlog_reset+0x2aa/0x340
[ 85.040507][ T5627] ? print_insn_state+0x106/0x170
[ 85.045562][ T5627] do_check_common+0x3c19/0x5d30
[ 85.050560][ T5627] ? __pfx_do_check_common+0x10/0x10
[ 85.055874][ T5627] ? __pfx_verbose+0x10/0x10
[ 85.060493][ T5627] ? __pfx_bpf_disasm_kfunc_name+0x10/0x10
[ 85.066337][ T5627] bpf_check+0x2639/0x2e10
[ 85.070782][ T5627] ? ktime_get_with_offset+0x93/0x2d0
[ 85.076177][ T5627] ? __pfx_bpf_check+0x10/0x10
[ 85.081000][ T5627] ? bpf_obj_name_cpy+0x194/0x1e0
[ 85.086053][ T5627] bpf_prog_load+0x14d6/0x1c20
[ 85.090873][ T5627] ? __pfx_bpf_prog_load+0x10/0x10
[ 85.096024][ T5627] __sys_bpf+0xd0d/0xd90
[ 85.100292][ T5627] ? __pfx___sys_bpf+0x10/0x10
[ 85.105075][ T5627] ? do_raw_spin_lock+0x12b/0x2f0
[ 85.110135][ T5627] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 85.115562][ T5627] ? __pfx_ptrace_notify+0x10/0x10
[ 85.120704][ T5627] __x64_sys_bpf+0xba/0xd0
[ 85.125139][ T5627] do_syscall_64+0x166/0x520
[ 85.129754][ T5627] ? trace_irq_disable+0x3b/0x140
[ 85.134887][ T5627] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.140978][ T5627] ? clear_bhb_loop+0x70/0xc0
[ 85.145721][ T5627] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 85.151742][ T5627] RIP: 0033:0x7f0d20535ef9
[ 85.156186][ T5627] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 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 d8 ff ff ff f7 d8 64 89 01 48
[ 85.175813][ T5627] RSP: 002b:00007fff9b080398 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 85.184248][ T5627] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f0d20535ef9
[ 85.192324][ T5627] RDX: 0000000000000080 RSI: 0000200000000300 RDI: 0000000000000005
[ 85.200315][ T5627] RBP: 0000000000000001 R08: 00007fff9b0804c8 R09: 00007fff9b0804c8
[ 85.208317][ T5627] R10: 00007fff9b0804c8 R11: 0000000000000246 R12: 00007fff9b0804b8
[ 85.216308][ T5627] R13: 0000000000000002 R14: 00007f0d205c6ca0 R15: 0000000000000002
[ 85.224345][ T5627]
[ 85.227985][ T5627] Kernel Offset: disabled
[ 85.232346][ T5627] Rebooting in 86400 seconds..