./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2501072240
<...>
Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts.
execve("./syz-executor2501072240", ["./syz-executor2501072240"], 0x7ffd77ec70b0 /* 10 vars */) = 0
brk(NULL) = 0x55555a743000
brk(0x55555a743d00) = 0x55555a743d00
arch_prctl(ARCH_SET_FS, 0x55555a743380) = 0
set_tid_address(0x55555a743650) = 5840
set_robust_list(0x55555a743660, 24) = 0
rseq(0x55555a743ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2501072240", 4096) = 28
getrandom("\x45\x1e\x20\xa3\xa3\x97\xe4\x41", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555a743d00
brk(0x55555a764d00) = 0x55555a764d00
brk(0x55555a765000) = 0x55555a765000
mprotect(0x7f34e5703000, 16384, 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_ARRAY, key_size=4, value_size=8, max_entries=1, map_flags=BPF_F_RDONLY_PROG, inner_map_fd=-1, 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_MAP_CREATE, {map_type=BPF_MAP_TYPE_RINGBUF, key_size=0, value_size=0, max_entries=262144, 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) = 4
[ 86.628490][ T5840] ------------[ cut here ]------------
[ 86.634189][ T5840] verifier bug: add backedge: no SCC in verification path, insn_idx 9(1)
[ 86.643091][ T5840] WARNING: CPU: 0 PID: 5840 at kernel/bpf/verifier.c:1970 do_check+0xda21/0xdba0
[ 86.652297][ T5840] Modules linked in:
[ 86.656245][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor250 Not tainted 6.15.0-syzkaller-g1c66f4a3612c #0 PREEMPT(full)
[ 86.667937][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 86.678145][ T5840] RIP: 0010:do_check+0xda21/0xdba0
[ 86.683387][ T5840] Code: 01 90 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 0f 85 2b 01 00 00 41 8b 75 00 48 c7 c7 20 49 91 8b e8 d0 05 ad ff 90 <0f> 0b 90 90 e9 27 fe ff ff e8 11 5d e9 ff e8 3c 10 4d 00 ba 38 00
[ 86.703089][ T5840] RSP: 0018:ffffc900042c6ec0 EFLAGS: 00010246
[ 86.709253][ T5840] RAX: 6243a3c48103b500 RBX: ffffc900042c7180 RCX: ffff88802d435a00
[ 86.717307][ T5840] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 86.725363][ T5840] RBP: ffffc900042c72c8 R08: 0000000000000003 R09: 0000000000000004
[ 86.733411][ T5840] R10: dffffc0000000000 R11: fffffbfff1bfaa44 R12: ffff8880216cfe00
[ 86.741443][ T5840] R13: ffff8880216cfe54 R14: 1ffff110042d9fca R15: 0000000000000000
[ 86.749445][ T5840] FS: 000055555a743380(0000) GS:ffff888125c54000(0000) knlGS:0000000000000000
[ 86.758440][ T5840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.765091][ T5840] CR2: 000055891af04448 CR3: 000000007516a000 CR4: 00000000003526f0
[ 86.773217][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 86.781234][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 86.789199][ T5840] Call Trace:
[ 86.792521][ T5840]
[ 86.795470][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 86.800807][ T5840] ? bpf_prog_load+0x1318/0x1930
[ 86.805792][ T5840] ? __x64_sys_bpf+0x7c/0x90
[ 86.810502][ T5840] ? __pfx_do_check+0x10/0x10
[ 86.815219][ T5840] ? __pfx_verbose+0x10/0x10
[ 86.819893][ T5840] ? __pfx_disasm_kfunc_name+0x10/0x10
[ 86.825390][ T5840] ? __asan_memset+0x22/0x50
[ 86.830054][ T5840] do_check_common+0x18fa/0x2460
[ 86.835032][ T5840] bpf_check+0x110e2/0x1a240
[ 86.839721][ T5840] ? __lock_acquire+0xab9/0xd20
[ 86.844607][ T5840] ? __lock_acquire+0xab9/0xd20
[ 86.849467][ T5840] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 86.855422][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 86.860723][ T5840] ? __pfx_bpf_check+0x10/0x10
[ 86.865519][ T5840] ? __lock_acquire+0xab9/0xd20
[ 86.870447][ T5840] ? __pfx___mutex_trylock_common+0x10/0x10
[ 86.876376][ T5840] ? pcpu_block_update+0x1b5/0x8d0
[ 86.881944][ T5840] ? __lock_acquire+0xab9/0xd20
[ 86.886841][ T5840] ? ktime_get_with_offset+0x8c/0x2a0
[ 86.892288][ T5840] ? seqcount_lockdep_reader_access+0x123/0x1c0
[ 86.898567][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 86.903845][ T5840] ? ktime_get_with_offset+0x8c/0x2a0
[ 86.909254][ T5840] ? seqcount_lockdep_reader_access+0x175/0x1c0
[ 86.915579][ T5840] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[ 86.922248][ T5840] ? bpf_obj_name_cpy+0x194/0x1e0
[ 86.927302][ T5840] ? bpf_lsm_bpf_prog_load+0x9/0x20
[ 86.932578][ T5840] ? security_bpf_prog_load+0x7f/0x310
[ 86.938085][ T5840] bpf_prog_load+0x1318/0x1930
[ 86.943322][ T5840] ? __pfx_bpf_prog_load+0x10/0x10
[ 86.948498][ T5840] ? bpf_lsm_bpf+0x9/0x20
[ 86.952918][ T5840] ? security_bpf+0x7e/0x300
[ 86.957556][ T5840] __sys_bpf+0x5f1/0x860
[ 86.961880][ T5840] ? __pfx___sys_bpf+0x10/0x10
[ 86.966698][ T5840] ? rcu_is_watching+0x15/0xb0
[ 86.971553][ T5840] __x64_sys_bpf+0x7c/0x90
[ 86.976091][ T5840] do_syscall_64+0xfa/0x3b0
[ 86.980684][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 86.985925][ T5840] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 86.992054][ T5840] ? clear_bhb_loop+0x60/0xb0
[ 86.996765][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.002747][ T5840] RIP: 0033:0x7f34e56905a9
[ 87.007191][ T5840] 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
[ 87.026873][ T5840] RSP: 002b:00007ffc05d0bcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 87.035455][ T5840] RAX: ffffffffffffffda RBX: 00007ffc05d0bec8 RCX: 00007f34e56905a9
[ 87.043484][ T5840] RDX: 0000000000000094 RSI: 0000200000000840 RDI: 0000000000000005
[ 87.051606][ T5840] RBP: 00007f34e5703610 R08: 00007ffc05d0bec8 R09: 00007ffc05d0bec8
[ 87.059645][ T5840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 87.067640][ T5840] R13: 00007ffc05d0beb8 R14: 0000000000000001 R15: 0000000000000001
[ 87.075697][ T5840]
[ 87.078751][ T5840] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 87.086054][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor250 Not tainted 6.15.0-syzkaller-g1c66f4a3612c #0 PREEMPT(full)
[ 87.097617][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 87.108127][ T5840] Call Trace:
[ 87.111518][ T5840]
[ 87.114480][ T5840] dump_stack_lvl+0x99/0x250
[ 87.119111][ T5840] ? __asan_memcpy+0x40/0x70
[ 87.123734][ T5840] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.128967][ T5840] ? __pfx__printk+0x10/0x10
[ 87.133593][ T5840] panic+0x2db/0x790
[ 87.137515][ T5840] ? __pfx_panic+0x10/0x10
[ 87.141950][ T5840] ? show_trace_log_lvl+0x4fb/0x550
[ 87.147263][ T5840] __warn+0x31b/0x4b0
[ 87.151351][ T5840] ? do_check+0xda21/0xdba0
[ 87.155871][ T5840] ? do_check+0xda21/0xdba0
[ 87.160385][ T5840] report_bug+0x2be/0x4f0
[ 87.164722][ T5840] ? do_check+0xda21/0xdba0
[ 87.169233][ T5840] ? do_check+0xda21/0xdba0
[ 87.173744][ T5840] ? do_check+0xda23/0xdba0
[ 87.178254][ T5840] handle_bug+0x84/0x160
[ 87.182506][ T5840] exc_invalid_op+0x1a/0x50
[ 87.187042][ T5840] asm_exc_invalid_op+0x1a/0x20
[ 87.191912][ T5840] RIP: 0010:do_check+0xda21/0xdba0
[ 87.197034][ T5840] Code: 01 90 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 0f 85 2b 01 00 00 41 8b 75 00 48 c7 c7 20 49 91 8b e8 d0 05 ad ff 90 <0f> 0b 90 90 e9 27 fe ff ff e8 11 5d e9 ff e8 3c 10 4d 00 ba 38 00
[ 87.216820][ T5840] RSP: 0018:ffffc900042c6ec0 EFLAGS: 00010246
[ 87.222899][ T5840] RAX: 6243a3c48103b500 RBX: ffffc900042c7180 RCX: ffff88802d435a00
[ 87.230876][ T5840] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 87.238853][ T5840] RBP: ffffc900042c72c8 R08: 0000000000000003 R09: 0000000000000004
[ 87.246829][ T5840] R10: dffffc0000000000 R11: fffffbfff1bfaa44 R12: ffff8880216cfe00
[ 87.254809][ T5840] R13: ffff8880216cfe54 R14: 1ffff110042d9fca R15: 0000000000000000
[ 87.262801][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.268033][ T5840] ? bpf_prog_load+0x1318/0x1930
[ 87.272992][ T5840] ? __x64_sys_bpf+0x7c/0x90
[ 87.277609][ T5840] ? __pfx_do_check+0x10/0x10
[ 87.282310][ T5840] ? __pfx_verbose+0x10/0x10
[ 87.286909][ T5840] ? __pfx_disasm_kfunc_name+0x10/0x10
[ 87.292381][ T5840] ? __asan_memset+0x22/0x50
[ 87.296996][ T5840] do_check_common+0x18fa/0x2460
[ 87.301958][ T5840] bpf_check+0x110e2/0x1a240
[ 87.306600][ T5840] ? __lock_acquire+0xab9/0xd20
[ 87.311470][ T5840] ? __lock_acquire+0xab9/0xd20
[ 87.316344][ T5840] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 87.322246][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.327456][ T5840] ? __pfx_bpf_check+0x10/0x10
[ 87.332237][ T5840] ? __lock_acquire+0xab9/0xd20
[ 87.337112][ T5840] ? __pfx___mutex_trylock_common+0x10/0x10
[ 87.343018][ T5840] ? pcpu_block_update+0x1b5/0x8d0
[ 87.348145][ T5840] ? __lock_acquire+0xab9/0xd20
[ 87.353015][ T5840] ? ktime_get_with_offset+0x8c/0x2a0
[ 87.358397][ T5840] ? seqcount_lockdep_reader_access+0x123/0x1c0
[ 87.364641][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.369850][ T5840] ? ktime_get_with_offset+0x8c/0x2a0
[ 87.375230][ T5840] ? seqcount_lockdep_reader_access+0x175/0x1c0
[ 87.381501][ T5840] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[ 87.388111][ T5840] ? bpf_obj_name_cpy+0x194/0x1e0
[ 87.393150][ T5840] ? bpf_lsm_bpf_prog_load+0x9/0x20
[ 87.398355][ T5840] ? security_bpf_prog_load+0x7f/0x310
[ 87.403825][ T5840] bpf_prog_load+0x1318/0x1930
[ 87.408610][ T5840] ? __pfx_bpf_prog_load+0x10/0x10
[ 87.413745][ T5840] ? bpf_lsm_bpf+0x9/0x20
[ 87.418081][ T5840] ? security_bpf+0x7e/0x300
[ 87.422683][ T5840] __sys_bpf+0x5f1/0x860
[ 87.426937][ T5840] ? __pfx___sys_bpf+0x10/0x10
[ 87.431906][ T5840] ? rcu_is_watching+0x15/0xb0
[ 87.436687][ T5840] __x64_sys_bpf+0x7c/0x90
[ 87.441290][ T5840] do_syscall_64+0xfa/0x3b0
[ 87.445804][ T5840] ? lockdep_hardirqs_on+0x9c/0x150
[ 87.451016][ T5840] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.457086][ T5840] ? clear_bhb_loop+0x60/0xb0
[ 87.461856][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.468076][ T5840] RIP: 0033:0x7f34e56905a9
[ 87.472504][ T5840] 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
[ 87.492125][ T5840] RSP: 002b:00007ffc05d0bcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 87.500569][ T5840] RAX: ffffffffffffffda RBX: 00007ffc05d0bec8 RCX: 00007f34e56905a9
[ 87.508574][ T5840] RDX: 0000000000000094 RSI: 0000200000000840 RDI: 0000000000000005
[ 87.516558][ T5840] RBP: 00007f34e5703610 R08: 00007ffc05d0bec8 R09: 00007ffc05d0bec8
[ 87.524541][ T5840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 87.532552][ T5840] R13: 00007ffc05d0beb8 R14: 0000000000000001 R15: 0000000000000001
[ 87.540552][ T5840]
[ 87.543724][ T5840] Kernel Offset: disabled
[ 87.548067][ T5840] Rebooting in 86400 seconds..