./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2756951063 <...> forked to background, child pid 3186 no interfaces have a carrier [ 26.998039][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.014334][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. execve("./syz-executor2756951063", ["./syz-executor2756951063"], 0x7ffc73b18cb0 /* 10 vars */) = 0 brk(NULL) = 0x555556c10000 brk(0x555556c10c40) = 0x555556c10c40 arch_prctl(ARCH_SET_FS, 0x555556c10300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2756951063", 4096) = 28 brk(0x555556c31c40) = 0x555556c31c40 brk(0x555556c32000) = 0x555556c32000 mprotect(0x7f4ab79ee000, 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 3615 attached [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setpgid(0, 0) = 0 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1000", 4) = 4 [pid 3615] close(3) = 0 [pid 3615] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 [pid 3615] setsockopt(3, SOL_TCP, TCP_REPAIR, [1], 4) = 0 [pid 3615] 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 [pid 3614] <... clone resumed>, child_tidptr=0x555556c105d0) = 3615 [pid 3615] <... connect resumed>) = 0 [pid 3615] setsockopt(3, SOL_TCP, TCP_ULP, [7564404], 4) = 0 [pid 3615] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3615] write(4, "9", 1) = 1 [pid 3615] 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 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3619 attached , child_tidptr=0x555556c105d0) = 3619 [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 [pid 3619] setsockopt(3, SOL_TCP, TCP_REPAIR, [1], 4) = 0 [pid 3619] 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 3619] setsockopt(3, SOL_TCP, TCP_ULP, [7564404], 4) = 0 [pid 3619] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3619] write(4, "9", 1) = 1 [pid 3619] 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 3619] exit_group(0) = ? syzkaller login: [ 48.698405][ T3619] ------------[ cut here ]------------ [ 48.704156][ T3619] WARNING: CPU: 1 PID: 3619 at kernel/workqueue.c:3066 __flush_work+0x926/0xb10 [ 48.713336][ T3619] Modules linked in: [ 48.717258][ T3619] CPU: 1 PID: 3619 Comm: syz-executor275 Not tainted 5.19.0-syzkaller-13941-g777885673122 #0 [ 48.728321][ T3619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 48.738865][ T3619] RIP: 0010:__flush_work+0x926/0xb10 [ 48.744503][ T3619] 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 [ 48.764426][ T3619] RSP: 0018:ffffc900037df948 EFLAGS: 00010293 [ 48.770505][ T3619] RAX: 0000000000000000 RBX: ffff8880214f30f0 RCX: 0000000000000000 [ 48.778785][ T3619] RDX: ffff88801dd48000 RSI: ffffffff814f1246 RDI: 0000000000000001 [ 48.787083][ T3619] RBP: ffffc900037dfae0 R08: 0000000000000001 R09: 0000000000000000 [ 48.795278][ T3619] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 [ 48.803481][ T3619] R13: 1ffff920006fbf5f R14: 0000000000000001 R15: ffff8880214f3108 [ 48.811469][ T3619] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 48.820675][ T3619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.827463][ T3619] CR2: 00007f4ab79f5290 CR3: 0000000024655000 CR4: 00000000003506e0 [ 48.836002][ T3619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.844305][ T3619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.852300][ T3619] Call Trace: [ 48.855851][ T3619] [ 48.858804][ T3619] ? lock_chain_count+0x20/0x20 [ 48.863895][ T3619] ? queue_delayed_work_on+0x120/0x120 [ 48.869371][ T3619] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.875618][ T3619] ? mark_lock.part.0+0xee/0x1910 [ 48.880655][ T3619] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 48.886897][ T3619] ? mark_held_locks+0x9f/0xe0 [ 48.891953][ T3619] ? __cancel_work_timer+0x408/0x570 [ 48.897665][ T3619] __cancel_work_timer+0x3f9/0x570 [ 48.903011][ T3619] ? cancel_delayed_work+0x20/0x20 [ 48.908126][ T3619] ? tls_sk_proto_close+0x29b/0xaf0 [ 48.913678][ T3619] ? mark_held_locks+0x9f/0xe0 [ 48.918472][ T3619] ? __local_bh_enable_ip+0xa0/0x120 [ 48.924099][ T3619] tls_strp_done+0x66/0x230 [ 48.928922][ T3619] tls_sk_proto_close+0x40d/0xaf0 [ 48.934365][ T3619] ? wait_on_pending_writer+0x440/0x440 [ 48.939953][ T3619] ? ip_mc_drop_socket+0x16/0x260 [ 48.945588][ T3619] inet_release+0x12e/0x270 [ 48.950132][ T3619] inet6_release+0x4c/0x70 [ 48.954913][ T3619] __sock_release+0xcd/0x280 [ 48.959521][ T3619] sock_close+0x18/0x20 [ 48.963721][ T3619] __fput+0x277/0x9d0 [ 48.967735][ T3619] ? __sock_release+0x280/0x280 [ 48.972602][ T3619] task_work_run+0xdd/0x1a0 [ 48.977150][ T3619] do_exit+0xad5/0x29b0 [ 48.981326][ T3619] ? mm_update_next_owner+0x7a0/0x7a0 [ 48.986762][ T3619] ? _raw_spin_unlock_irq+0x1f/0x40 [ 48.992004][ T3619] ? _raw_spin_unlock_irq+0x1f/0x40 [ 48.997256][ T3619] do_group_exit+0xd2/0x2f0 [ 49.001778][ T3619] __x64_sys_exit_group+0x3a/0x50 [ 49.006848][ T3619] do_syscall_64+0x35/0xb0 [ 49.011279][ T3619] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.017208][ T3619] RIP: 0033:0x7f4ab797fdf9 [ 49.021633][ T3619] Code: Unable to access opcode bytes at RIP 0x7f4ab797fdcf. [ 49.029024][ T3619] RSP: 002b:00007ffcce377a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.037477][ T3619] RAX: ffffffffffffffda RBX: 00007f4ab79f43f0 RCX: 00007f4ab797fdf9 [ 49.045483][ T3619] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 49.053512][ T3619] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 49.061496][ T3619] R10: 00000000200004c0 R11: 0000000000000246 R12: 00007f4ab79f43f0 [ 49.069529][ T3619] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 49.077566][ T3619] [ 49.080607][ T3619] Kernel panic - not syncing: panic_on_warn set ... [ 49.087191][ T3619] CPU: 1 PID: 3619 Comm: syz-executor275 Not tainted 5.19.0-syzkaller-13941-g777885673122 #0 [ 49.097330][ T3619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 49.107382][ T3619] Call Trace: [ 49.110664][ T3619] [ 49.113606][ T3619] dump_stack_lvl+0xcd/0x134 [ 49.118197][ T3619] panic+0x2c8/0x627 [ 49.122096][ T3619] ? panic_print_sys_info.part.0+0x10b/0x10b [ 49.128081][ T3619] ? __warn.cold+0x248/0x2c4 [ 49.132678][ T3619] ? __flush_work+0x926/0xb10 [ 49.137369][ T3619] __warn.cold+0x259/0x2c4 [ 49.141808][ T3619] ? __flush_work+0x926/0xb10 [ 49.146482][ T3619] report_bug+0x1bc/0x210 [ 49.150810][ T3619] handle_bug+0x3c/0x60 [ 49.154962][ T3619] exc_invalid_op+0x14/0x40 [ 49.159461][ T3619] asm_exc_invalid_op+0x16/0x20 [ 49.164303][ T3619] RIP: 0010:__flush_work+0x926/0xb10 [ 49.169595][ T3619] 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 [ 49.189222][ T3619] RSP: 0018:ffffc900037df948 EFLAGS: 00010293 [ 49.195298][ T3619] RAX: 0000000000000000 RBX: ffff8880214f30f0 RCX: 0000000000000000 [ 49.203272][ T3619] RDX: ffff88801dd48000 RSI: ffffffff814f1246 RDI: 0000000000000001 [ 49.211244][ T3619] RBP: ffffc900037dfae0 R08: 0000000000000001 R09: 0000000000000000 [ 49.219216][ T3619] R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 [ 49.227188][ T3619] R13: 1ffff920006fbf5f R14: 0000000000000001 R15: ffff8880214f3108 [ 49.235172][ T3619] ? __flush_work+0x926/0xb10 [ 49.239869][ T3619] ? __flush_work+0x926/0xb10 [ 49.244556][ T3619] ? lock_chain_count+0x20/0x20 [ 49.249417][ T3619] ? queue_delayed_work_on+0x120/0x120 [ 49.254899][ T3619] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.260887][ T3619] ? mark_lock.part.0+0xee/0x1910 [ 49.265922][ T3619] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 49.271927][ T3619] ? mark_held_locks+0x9f/0xe0 [ 49.276874][ T3619] ? __cancel_work_timer+0x408/0x570 [ 49.282175][ T3619] __cancel_work_timer+0x3f9/0x570 [ 49.287487][ T3619] ? cancel_delayed_work+0x20/0x20 [ 49.292632][ T3619] ? tls_sk_proto_close+0x29b/0xaf0 [ 49.297853][ T3619] ? mark_held_locks+0x9f/0xe0 [ 49.302632][ T3619] ? __local_bh_enable_ip+0xa0/0x120 [ 49.307933][ T3619] tls_strp_done+0x66/0x230 [ 49.312449][ T3619] tls_sk_proto_close+0x40d/0xaf0 [ 49.317490][ T3619] ? wait_on_pending_writer+0x440/0x440 [ 49.323052][ T3619] ? ip_mc_drop_socket+0x16/0x260 [ 49.328091][ T3619] inet_release+0x12e/0x270 [ 49.332607][ T3619] inet6_release+0x4c/0x70 [ 49.337038][ T3619] __sock_release+0xcd/0x280 [ 49.341642][ T3619] sock_close+0x18/0x20 [ 49.345818][ T3619] __fput+0x277/0x9d0 [ 49.349810][ T3619] ? __sock_release+0x280/0x280 [ 49.354674][ T3619] task_work_run+0xdd/0x1a0 [ 49.359187][ T3619] do_exit+0xad5/0x29b0 [ 49.363363][ T3619] ? mm_update_next_owner+0x7a0/0x7a0 [ 49.368740][ T3619] ? _raw_spin_unlock_irq+0x1f/0x40 [ 49.373949][ T3619] ? _raw_spin_unlock_irq+0x1f/0x40 [ 49.379161][ T3619] do_group_exit+0xd2/0x2f0 [ 49.383675][ T3619] __x64_sys_exit_group+0x3a/0x50 [ 49.388719][ T3619] do_syscall_64+0x35/0xb0 [ 49.393151][ T3619] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.399069][ T3619] RIP: 0033:0x7f4ab797fdf9 [ 49.403495][ T3619] Code: Unable to access opcode bytes at RIP 0x7f4ab797fdcf. [ 49.410859][ T3619] RSP: 002b:00007ffcce377a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.419283][ T3619] RAX: ffffffffffffffda RBX: 00007f4ab79f43f0 RCX: 00007f4ab797fdf9 [ 49.427262][ T3619] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 49.435326][ T3619] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 49.443309][ T3619] R10: 00000000200004c0 R11: 0000000000000246 R12: 00007f4ab79f43f0 [ 49.451286][ T3619] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 49.459279][ T3619] [ 49.462562][ T3619] Kernel Offset: disabled [ 49.466956][ T3619] Rebooting in 86400 seconds..