./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2862814248
<...>
Warning: Permanently added '10.128.1.177' (ED25519) to the list of known hosts.
execve("./syz-executor2862814248", ["./syz-executor2862814248"], 0x7fff4ee37200 /* 10 vars */) = 0
brk(NULL) = 0x55556bd6a000
brk(0x55556bd6ad00) = 0x55556bd6ad00
arch_prctl(ARCH_SET_FS, 0x55556bd6a380) = 0
set_tid_address(0x55556bd6a650) = 5838
set_robust_list(0x55556bd6a660, 24) = 0
rseq(0x55556bd6aca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2862814248", 4096) = 28
getrandom("\x79\x8a\x4d\x0f\x88\xe3\x00\x55", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556bd6ad00
brk(0x55556bd8bd00) = 0x55556bd8bd00
brk(0x55556bd8c000) = 0x55556bd8c000
mprotect(0x7f37a7492000, 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
write(1, "executing program\n", 18executing program
) = 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=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 80) = 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
[ 88.341361][ T5838] ------------[ cut here ]------------
[ 88.346906][ T5838] verifier bug: add backedge: no SCC in verification path, insn_idx 9(1)
[ 88.355634][ T5838] WARNING: CPU: 1 PID: 5838 at kernel/bpf/verifier.c:1970 do_check+0xda21/0xdba0
[ 88.364913][ T5838] Modules linked in:
[ 88.368895][ T5838] CPU: 1 UID: 0 PID: 5838 Comm: syz-executor286 Not tainted 6.15.0-syzkaller-g1c66f4a3612c #0 PREEMPT(full)
[ 88.380845][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 88.391711][ T5838] RIP: 0010:do_check+0xda21/0xdba0
[ 88.396853][ T5838] 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
[ 88.416868][ T5838] RSP: 0018:ffffc900043eeec0 EFLAGS: 00010246
[ 88.423034][ T5838] RAX: 53f7659fb2f02200 RBX: ffffc900043ef180 RCX: ffff8880257d1e00
[ 88.431061][ T5838] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 88.439145][ T5838] RBP: ffffc900043ef2c8 R08: 0000000000000003 R09: 0000000000000004
[ 88.447337][ T5838] R10: dffffc0000000000 R11: fffffbfff1bfaa44 R12: ffff88801c7a4b00
[ 88.455654][ T5838] R13: ffff88801c7a4b54 R14: 1ffff110038f496a R15: 0000000000000000
[ 88.463773][ T5838] FS: 000055556bd6a380(0000) GS:ffff888125d54000(0000) knlGS:0000000000000000
[ 88.472880][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.479584][ T5838] CR2: 000000000ebea398 CR3: 00000000713fa000 CR4: 00000000003526f0
[ 88.487683][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 88.496070][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 88.504151][ T5838] Call Trace:
[ 88.507465][ T5838]
[ 88.510871][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.516210][ T5838] ? bpf_prog_load+0x1318/0x1930
[ 88.521233][ T5838] ? __x64_sys_bpf+0x7c/0x90
[ 88.525956][ T5838] ? __pfx_do_check+0x10/0x10
[ 88.530807][ T5838] ? __asan_memset+0x22/0x50
[ 88.535441][ T5838] do_check_common+0x18fa/0x2460
[ 88.540517][ T5838] bpf_check+0x110e2/0x1a240
[ 88.545252][ T5838] ? __lock_acquire+0xab9/0xd20
[ 88.550260][ T5838] ? __lock_acquire+0xab9/0xd20
[ 88.555200][ T5838] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 88.561210][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.566460][ T5838] ? __pfx_bpf_check+0x10/0x10
[ 88.571491][ T5838] ? __lock_acquire+0xab9/0xd20
[ 88.576488][ T5838] ? __pfx___mutex_trylock_common+0x10/0x10
[ 88.582858][ T5838] ? __lock_acquire+0xab9/0xd20
[ 88.587941][ T5838] ? ktime_get_with_offset+0x8c/0x2a0
[ 88.593431][ T5838] ? seqcount_lockdep_reader_access+0x123/0x1c0
[ 88.599816][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.605226][ T5838] ? ktime_get_with_offset+0x8c/0x2a0
[ 88.611012][ T5838] ? seqcount_lockdep_reader_access+0x175/0x1c0
[ 88.617407][ T5838] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[ 88.624226][ T5838] ? bpf_obj_name_cpy+0x194/0x1e0
[ 88.629558][ T5838] ? bpf_lsm_bpf_prog_load+0x9/0x20
[ 88.634857][ T5838] ? security_bpf_prog_load+0x7f/0x310
[ 88.640424][ T5838] bpf_prog_load+0x1318/0x1930
[ 88.645419][ T5838] ? __pfx_bpf_prog_load+0x10/0x10
[ 88.650874][ T5838] ? bpf_lsm_bpf+0x9/0x20
[ 88.655976][ T5838] ? security_bpf+0x7e/0x300
[ 88.660932][ T5838] __sys_bpf+0x5f1/0x860
[ 88.665219][ T5838] ? __pfx___sys_bpf+0x10/0x10
[ 88.670136][ T5838] ? rcu_is_watching+0x15/0xb0
[ 88.675032][ T5838] __x64_sys_bpf+0x7c/0x90
[ 88.679566][ T5838] do_syscall_64+0xfa/0x3b0
[ 88.684216][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.689459][ T5838] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.695595][ T5838] ? clear_bhb_loop+0x60/0xb0
[ 88.700389][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.706381][ T5838] RIP: 0033:0x7f37a741f569
[ 88.710880][ T5838] 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
[ 88.730740][ T5838] RSP: 002b:00007ffe3011bf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 88.739422][ T5838] RAX: ffffffffffffffda RBX: 00007ffe3011c0d8 RCX: 00007f37a741f569
[ 88.747695][ T5838] RDX: 0000000000000094 RSI: 0000200000000840 RDI: 0000000000000005
[ 88.755964][ T5838] RBP: 00007f37a7492610 R08: 00007ffe3011c0d8 R09: 00007ffe3011c0d8
[ 88.764022][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 88.772427][ T5838] R13: 00007ffe3011c0c8 R14: 0000000000000001 R15: 0000000000000001
[ 88.780486][ T5838]
[ 88.783552][ T5838] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 88.790918][ T5838] CPU: 1 UID: 0 PID: 5838 Comm: syz-executor286 Not tainted 6.15.0-syzkaller-g1c66f4a3612c #0 PREEMPT(full)
[ 88.802633][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 88.812801][ T5838] Call Trace:
[ 88.816166][ T5838]
[ 88.819095][ T5838] dump_stack_lvl+0x99/0x250
[ 88.823710][ T5838] ? __asan_memcpy+0x40/0x70
[ 88.828332][ T5838] ? __pfx_dump_stack_lvl+0x10/0x10
[ 88.833657][ T5838] ? __pfx__printk+0x10/0x10
[ 88.838287][ T5838] panic+0x2db/0x790
[ 88.842282][ T5838] ? __pfx_panic+0x10/0x10
[ 88.846809][ T5838] ? show_trace_log_lvl+0x4fb/0x550
[ 88.852056][ T5838] __warn+0x31b/0x4b0
[ 88.856243][ T5838] ? do_check+0xda21/0xdba0
[ 88.860862][ T5838] ? do_check+0xda21/0xdba0
[ 88.865463][ T5838] report_bug+0x2be/0x4f0
[ 88.869802][ T5838] ? do_check+0xda21/0xdba0
[ 88.874320][ T5838] ? do_check+0xda21/0xdba0
[ 88.878846][ T5838] ? do_check+0xda23/0xdba0
[ 88.883381][ T5838] handle_bug+0x84/0x160
[ 88.887742][ T5838] exc_invalid_op+0x1a/0x50
[ 88.892350][ T5838] asm_exc_invalid_op+0x1a/0x20
[ 88.897479][ T5838] RIP: 0010:do_check+0xda21/0xdba0
[ 88.902875][ T5838] 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
[ 88.923051][ T5838] RSP: 0018:ffffc900043eeec0 EFLAGS: 00010246
[ 88.929265][ T5838] RAX: 53f7659fb2f02200 RBX: ffffc900043ef180 RCX: ffff8880257d1e00
[ 88.937369][ T5838] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[ 88.945601][ T5838] RBP: ffffc900043ef2c8 R08: 0000000000000003 R09: 0000000000000004
[ 88.953920][ T5838] R10: dffffc0000000000 R11: fffffbfff1bfaa44 R12: ffff88801c7a4b00
[ 88.961976][ T5838] R13: ffff88801c7a4b54 R14: 1ffff110038f496a R15: 0000000000000000
[ 88.970041][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 88.975360][ T5838] ? bpf_prog_load+0x1318/0x1930
[ 88.980326][ T5838] ? __x64_sys_bpf+0x7c/0x90
[ 88.984940][ T5838] ? __pfx_do_check+0x10/0x10
[ 88.989630][ T5838] ? __asan_memset+0x22/0x50
[ 88.994229][ T5838] do_check_common+0x18fa/0x2460
[ 88.999185][ T5838] bpf_check+0x110e2/0x1a240
[ 89.003801][ T5838] ? __lock_acquire+0xab9/0xd20
[ 89.008670][ T5838] ? __lock_acquire+0xab9/0xd20
[ 89.013618][ T5838] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 89.019588][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.024896][ T5838] ? __pfx_bpf_check+0x10/0x10
[ 89.029685][ T5838] ? __lock_acquire+0xab9/0xd20
[ 89.034557][ T5838] ? __pfx___mutex_trylock_common+0x10/0x10
[ 89.040453][ T5838] ? __lock_acquire+0xab9/0xd20
[ 89.045311][ T5838] ? ktime_get_with_offset+0x8c/0x2a0
[ 89.050684][ T5838] ? seqcount_lockdep_reader_access+0x123/0x1c0
[ 89.057094][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.062289][ T5838] ? ktime_get_with_offset+0x8c/0x2a0
[ 89.067651][ T5838] ? seqcount_lockdep_reader_access+0x175/0x1c0
[ 89.073975][ T5838] ? __pfx_seqcount_lockdep_reader_access+0x10/0x10
[ 89.080650][ T5838] ? bpf_obj_name_cpy+0x194/0x1e0
[ 89.085715][ T5838] ? bpf_lsm_bpf_prog_load+0x9/0x20
[ 89.090931][ T5838] ? security_bpf_prog_load+0x7f/0x310
[ 89.096459][ T5838] bpf_prog_load+0x1318/0x1930
[ 89.101342][ T5838] ? __pfx_bpf_prog_load+0x10/0x10
[ 89.106554][ T5838] ? bpf_lsm_bpf+0x9/0x20
[ 89.111000][ T5838] ? security_bpf+0x7e/0x300
[ 89.115679][ T5838] __sys_bpf+0x5f1/0x860
[ 89.119937][ T5838] ? __pfx___sys_bpf+0x10/0x10
[ 89.124807][ T5838] ? rcu_is_watching+0x15/0xb0
[ 89.129762][ T5838] __x64_sys_bpf+0x7c/0x90
[ 89.134269][ T5838] do_syscall_64+0xfa/0x3b0
[ 89.138946][ T5838] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.144325][ T5838] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.150401][ T5838] ? clear_bhb_loop+0x60/0xb0
[ 89.155188][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.161117][ T5838] RIP: 0033:0x7f37a741f569
[ 89.165800][ T5838] 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
[ 89.185751][ T5838] RSP: 002b:00007ffe3011bf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[ 89.194355][ T5838] RAX: ffffffffffffffda RBX: 00007ffe3011c0d8 RCX: 00007f37a741f569
[ 89.202361][ T5838] RDX: 0000000000000094 RSI: 0000200000000840 RDI: 0000000000000005
[ 89.211033][ T5838] RBP: 00007f37a7492610 R08: 00007ffe3011c0d8 R09: 00007ffe3011c0d8
[ 89.219351][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 89.227491][ T5838] R13: 00007ffe3011c0c8 R14: 0000000000000001 R15: 0000000000000001
[ 89.235493][ T5838]
[ 89.239101][ T5838] Kernel Offset: disabled
[ 89.243646][ T5838] Rebooting in 86400 seconds..