./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor832811561
<...>
forked to background, child pid 3183
no interfaces have a carrier
[ 26.972175][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.982778][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts.
execve("./syz-executor832811561", ["./syz-executor832811561"], 0x7ffd87219bc0 /* 10 vars */) = 0
brk(NULL) = 0x555556731000
brk(0x555556731c40) = 0x555556731c40
arch_prctl(ARCH_SET_FS, 0x555556731300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor832811561", 4096) = 27
brk(0x555556752c40) = 0x555556752c40
brk(0x555556753000) = 0x555556753000
mprotect(0x7f6d91d9b000, 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
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1) = 1
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3606 attached
, child_tidptr=0x5555567315d0) = 3606
[pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3606] setpgid(0, 0) = 0
[pid 3606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3606] write(3, "1000", 4) = 4
[pid 3606] close(3) = 0
[pid 3606] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3
[pid 3606] setsockopt(3, SOL_TCP, TCP_REPAIR, [1], 4) = 0
[pid 3606] connect(3, {sa_family=AF_INET6, sin6_port=htons(0), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 0
[pid 3606] setsockopt(3, SOL_TCP, TCP_ULP, [7564404], 4) = 0
[pid 3606] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 3606] write(4, "9", 1) = 1
[pid 3606] setsockopt(3, SOL_TLS, TLS_RX, "\x04\x03\x34\x00\x4c\x45\x74\x28\xef\xad\xcb\x38\x04\xfa\xf5\xf6\xbd\x6b\x35\x61\x4e\xeb\x95\xe7\xfb\x8c\x65\x6f\xb7\xe6\x8e\x97\xc5\x3b\x54\x74\x6f\xd0\x9d\xc1\xbd\x97\xee\xe0\x00\x00\x00\x00\xb4\x0d\x81\x27\x81\xe7\x16\x50", 56) = 0
[pid 3606] exit_group(0) = ?
[pid 3606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3606, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3610 attached
, child_tidptr=0x5555567315d0) = 3610
[pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 3610] setpgid(0, 0) = 0
[pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 3610] write(3, "1000", 4) = 4
[pid 3610] close(3) = 0
[pid 3610] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3
[pid 3610] setsockopt(3, SOL_TCP, TCP_REPAIR, [1], 4) = 0
[pid 3610] connect(3, {sa_family=AF_INET6, sin6_port=htons(0), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 0
[pid 3610] setsockopt(3, SOL_TCP, TCP_ULP, [7564404], 4) = 0
[pid 3610] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 3610] write(4, "9", 1) = 1
[pid 3610] setsockopt(3, SOL_TLS, TLS_RX, "\x04\x03\x34\x00\x4c\x45\x74\x28\xef\xad\xcb\x38\x04\xfa\xf5\xf6\xbd\x6b\x35\x61\x4e\xeb\x95\xe7\xfb\x8c\x65\x6f\xb7\xe6\x8e\x97\xc5\x3b\x54\x74\x6f\xd0\x9d\xc1\xbd\x97\xee\xe0\x00\x00\x00\x00\xb4\x0d\x81\x27\x81\xe7\x16\x50", 56) = 0
[pid 3610] exit_group(0) = ?
syzkaller login: [ 50.077157][ T3610] ------------[ cut here ]------------
[ 50.083114][ T3610] WARNING: CPU: 0 PID: 3610 at kernel/workqueue.c:3066 __flush_work+0x926/0xb10
[ 50.093230][ T3610] Modules linked in:
[ 50.097143][ T3610] CPU: 0 PID: 3610 Comm: syz-executor832 Not tainted 5.19.0-syzkaller-13941-g777885673122 #0
[ 50.107953][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 50.118186][ T3610] RIP: 0010:__flush_work+0x926/0xb10
[ 50.123498][ T3610] Code: 00 48 c7 c6 0b 12 4f 81 48 c7 c7 40 92 f8 8b e8 30 61 10 00 e9 66 fc ff ff e8 d6 f4 2c 00 0f 0b e9 5a fc ff ff e8 ca f4 2c 00 <0f> 0b 45 31 f6 e9 4b fc ff ff e8 0b 4c 79 00 e9 3a fb ff ff e8 b1
[ 50.143417][ T3610] RSP: 0018:ffffc9000388f948 EFLAGS: 00010293
[ 50.149734][ T3610] RAX: 0000000000000000 RBX: ffff88814a9950f0 RCX: 0000000000000000
[ 50.157934][ T3610] RDX: ffff88801dfa0000 RSI: ffffffff814f1246 RDI: 0000000000000001
[ 50.165925][ T3610] RBP: ffffc9000388fae0 R08: 0000000000000001 R09: 0000000000000000
[ 50.174155][ T3610] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
[ 50.182296][ T3610] R13: 1ffff92000711f5f R14: 0000000000000001 R15: ffff88814a995108
[ 50.190459][ T3610] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 50.199609][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.206229][ T3610] CR2: 00007f6d91da2290 CR3: 0000000026928000 CR4: 00000000003506f0
[ 50.214406][ T3610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.222807][ T3610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.231244][ T3610] Call Trace:
[ 50.234544][ T3610]
[ 50.237747][ T3610] ? lock_chain_count+0x20/0x20
[ 50.242630][ T3610] ? queue_delayed_work_on+0x120/0x120
[ 50.248349][ T3610] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 50.254358][ T3610] ? mark_lock.part.0+0xee/0x1910
[ 50.259583][ T3610] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 50.265607][ T3610] ? mark_held_locks+0x9f/0xe0
[ 50.270607][ T3610] ? __cancel_work_timer+0x408/0x570
[ 50.275933][ T3610] __cancel_work_timer+0x3f9/0x570
[ 50.281245][ T3610] ? cancel_delayed_work+0x20/0x20
[ 50.286379][ T3610] ? tls_sk_proto_close+0x29b/0xaf0
[ 50.291821][ T3610] ? mark_held_locks+0x9f/0xe0
[ 50.296603][ T3610] ? __local_bh_enable_ip+0xa0/0x120
[ 50.302152][ T3610] tls_strp_done+0x66/0x230
[ 50.306673][ T3610] tls_sk_proto_close+0x40d/0xaf0
[ 50.311971][ T3610] ? wait_on_pending_writer+0x440/0x440
[ 50.317700][ T3610] ? ip_mc_drop_socket+0x16/0x260
[ 50.322769][ T3610] inet_release+0x12e/0x270
[ 50.327611][ T3610] inet6_release+0x4c/0x70
[ 50.332051][ T3610] __sock_release+0xcd/0x280
[ 50.336652][ T3610] sock_close+0x18/0x20
[ 50.341295][ T3610] __fput+0x277/0x9d0
[ 50.345309][ T3610] ? __sock_release+0x280/0x280
[ 50.350226][ T3610] task_work_run+0xdd/0x1a0
[ 50.354774][ T3610] do_exit+0xad5/0x29b0
[ 50.359042][ T3610] ? mm_update_next_owner+0x7a0/0x7a0
[ 50.364432][ T3610] ? _raw_spin_unlock_irq+0x1f/0x40
[ 50.369677][ T3610] ? _raw_spin_unlock_irq+0x1f/0x40
[ 50.374919][ T3610] do_group_exit+0xd2/0x2f0
[ 50.379531][ T3610] __x64_sys_exit_group+0x3a/0x50
[ 50.384574][ T3610] do_syscall_64+0x35/0xb0
[ 50.389048][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 50.394962][ T3610] RIP: 0033:0x7f6d91d2cdf9
[ 50.399436][ T3610] Code: Unable to access opcode bytes at RIP 0x7f6d91d2cdcf.
[ 50.406800][ T3610] RSP: 002b:00007ffdd0502ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 50.415271][ T3610] RAX: ffffffffffffffda RBX: 00007f6d91da13f0 RCX: 00007f6d91d2cdf9
[ 50.423301][ T3610] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 50.431315][ T3610] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001
[ 50.439331][ T3610] R10: 00000000200004c0 R11: 0000000000000246 R12: 00007f6d91da13f0
[ 50.447684][ T3610] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 50.455772][ T3610]
[ 50.458846][ T3610] Kernel panic - not syncing: panic_on_warn set ...
[ 50.465442][ T3610] CPU: 0 PID: 3610 Comm: syz-executor832 Not tainted 5.19.0-syzkaller-13941-g777885673122 #0
[ 50.475618][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 50.485669][ T3610] Call Trace:
[ 50.488939][ T3610]
[ 50.491859][ T3610] dump_stack_lvl+0xcd/0x134
[ 50.496452][ T3610] panic+0x2c8/0x627
[ 50.500345][ T3610] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 50.506325][ T3610] ? __warn.cold+0x248/0x2c4
[ 50.510925][ T3610] ? __flush_work+0x926/0xb10
[ 50.515619][ T3610] __warn.cold+0x259/0x2c4
[ 50.520042][ T3610] ? __flush_work+0x926/0xb10
[ 50.524733][ T3610] report_bug+0x1bc/0x210
[ 50.529075][ T3610] handle_bug+0x3c/0x60
[ 50.533240][ T3610] exc_invalid_op+0x14/0x40
[ 50.538102][ T3610] asm_exc_invalid_op+0x16/0x20
[ 50.542962][ T3610] RIP: 0010:__flush_work+0x926/0xb10
[ 50.548255][ T3610] Code: 00 48 c7 c6 0b 12 4f 81 48 c7 c7 40 92 f8 8b e8 30 61 10 00 e9 66 fc ff ff e8 d6 f4 2c 00 0f 0b e9 5a fc ff ff e8 ca f4 2c 00 <0f> 0b 45 31 f6 e9 4b fc ff ff e8 0b 4c 79 00 e9 3a fb ff ff e8 b1
[ 50.567887][ T3610] RSP: 0018:ffffc9000388f948 EFLAGS: 00010293
[ 50.573957][ T3610] RAX: 0000000000000000 RBX: ffff88814a9950f0 RCX: 0000000000000000
[ 50.581942][ T3610] RDX: ffff88801dfa0000 RSI: ffffffff814f1246 RDI: 0000000000000001
[ 50.589920][ T3610] RBP: ffffc9000388fae0 R08: 0000000000000001 R09: 0000000000000000
[ 50.597900][ T3610] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
[ 50.605874][ T3610] R13: 1ffff92000711f5f R14: 0000000000000001 R15: ffff88814a995108
[ 50.613855][ T3610] ? __flush_work+0x926/0xb10
[ 50.618547][ T3610] ? __flush_work+0x926/0xb10
[ 50.623231][ T3610] ? lock_chain_count+0x20/0x20
[ 50.628093][ T3610] ? queue_delayed_work_on+0x120/0x120
[ 50.633919][ T3610] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 50.639908][ T3610] ? mark_lock.part.0+0xee/0x1910
[ 50.644938][ T3610] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 50.650930][ T3610] ? mark_held_locks+0x9f/0xe0
[ 50.655706][ T3610] ? __cancel_work_timer+0x408/0x570
[ 50.661003][ T3610] __cancel_work_timer+0x3f9/0x570
[ 50.666122][ T3610] ? cancel_delayed_work+0x20/0x20
[ 50.671262][ T3610] ? tls_sk_proto_close+0x29b/0xaf0
[ 50.676496][ T3610] ? mark_held_locks+0x9f/0xe0
[ 50.681279][ T3610] ? __local_bh_enable_ip+0xa0/0x120
[ 50.686594][ T3610] tls_strp_done+0x66/0x230
[ 50.691119][ T3610] tls_sk_proto_close+0x40d/0xaf0
[ 50.696163][ T3610] ? wait_on_pending_writer+0x440/0x440
[ 50.701723][ T3610] ? ip_mc_drop_socket+0x16/0x260
[ 50.706779][ T3610] inet_release+0x12e/0x270
[ 50.711311][ T3610] inet6_release+0x4c/0x70
[ 50.715745][ T3610] __sock_release+0xcd/0x280
[ 50.720349][ T3610] sock_close+0x18/0x20
[ 50.724509][ T3610] __fput+0x277/0x9d0
[ 50.728499][ T3610] ? __sock_release+0x280/0x280
[ 50.733360][ T3610] task_work_run+0xdd/0x1a0
[ 50.737876][ T3610] do_exit+0xad5/0x29b0
[ 50.742046][ T3610] ? mm_update_next_owner+0x7a0/0x7a0
[ 50.747512][ T3610] ? _raw_spin_unlock_irq+0x1f/0x40
[ 50.752723][ T3610] ? _raw_spin_unlock_irq+0x1f/0x40
[ 50.757937][ T3610] do_group_exit+0xd2/0x2f0
[ 50.762451][ T3610] __x64_sys_exit_group+0x3a/0x50
[ 50.767480][ T3610] do_syscall_64+0x35/0xb0
[ 50.771901][ T3610] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 50.777803][ T3610] RIP: 0033:0x7f6d91d2cdf9
[ 50.782223][ T3610] Code: Unable to access opcode bytes at RIP 0x7f6d91d2cdcf.
[ 50.789582][ T3610] RSP: 002b:00007ffdd0502ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 50.798001][ T3610] RAX: ffffffffffffffda RBX: 00007f6d91da13f0 RCX: 00007f6d91d2cdf9
[ 50.805975][ T3610] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 50.813957][ T3610] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001
[ 50.821930][ T3610] R10: 00000000200004c0 R11: 0000000000000246 R12: 00007f6d91da13f0
[ 50.829901][ T3610] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 50.837888][ T3610]
[ 50.841182][ T3610] Kernel Offset: disabled
[ 50.845589][ T3610] Rebooting in 86400 seconds..