./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor261969810 <...> Warning: Permanently added '10.128.0.144' (ED25519) to the list of known hosts. execve("./syz-executor261969810", ["./syz-executor261969810"], 0x7ffe0be7bd00 /* 10 vars */) = 0 brk(NULL) = 0x555556d4b000 brk(0x555556d4bd00) = 0x555556d4bd00 arch_prctl(ARCH_SET_FS, 0x555556d4b380) = 0 set_tid_address(0x555556d4b650) = 5028 set_robust_list(0x555556d4b660, 24) = 0 rseq(0x555556d4bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor261969810", 4096) = 27 getrandom("\xf8\x09\x24\x15\x64\xe9\x28\x41", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556d4bd00 brk(0x555556d6cd00) = 0x555556d6cd00 brk(0x555556d6d000) = 0x555556d6d000 mprotect(0x7f81645e7000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556d4b650) = 5029 ./strace-static-x86_64: Process 5029 attached [pid 5029] set_robust_list(0x555556d4b660, 24) = 0 [pid 5029] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5029] setsid() = 1 [pid 5029] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5029] unshare(CLONE_NEWNS) = 0 [pid 5029] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5029] unshare(CLONE_NEWIPC) = 0 [pid 5029] unshare(CLONE_NEWCGROUP) = 0 [pid 5029] unshare(CLONE_NEWUTS) = 0 [pid 5029] unshare(CLONE_SYSVSEM) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "16777216", 8) = 8 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "536870912", 9) = 9 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "8192", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5029] close(3) = 0 [pid 5029] getpid() = 1 [pid 5029] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 62 ff ff ff 48 89 df e8 3a 75 b2 f9 e9 15 ff ff ff e8 30 [ 76.841278][ T5029] RSP: 0018:ffffc90003a7f2b8 EFLAGS: 00010282 [ 76.847371][ T5029] RAX: 0000000000000000 RBX: ffffc90003a7f320 RCX: 0000000000000000 [ 76.855455][ T5029] RDX: ffff888027ac3b80 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 76.863706][ T5029] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 76.871753][ T5029] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 76.879776][ T5029] R13: ffff888076b40000 R14: ffff8880725a00e8 R15: 0000000000000001 [ 76.887761][ T5029] FS: 0000555556d4b380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 76.897236][ T5029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.903971][ T5029] CR2: 0000000020000140 CR3: 0000000075773000 CR4: 00000000003506e0 [ 76.912043][ T5029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.920126][ T5029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.928122][ T5029] Call Trace: [ 76.931493][ T5029] [ 76.934451][ T5029] ? __warn+0xe6/0x380 [ 76.938768][ T5029] ? preempt_schedule_notrace+0x5f/0xe0 [ 76.944369][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 76.950610][ T5029] ? report_bug+0x3bc/0x580 [ 76.955164][ T5029] ? handle_bug+0x3c/0x70 [ 76.959623][ T5029] ? exc_invalid_op+0x17/0x40 [ 76.964341][ T5029] ? asm_exc_invalid_op+0x1a/0x20 [ 76.969465][ T5029] ? __warn_printk+0x1a6/0x350 [ 76.974275][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 76.980497][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 76.986692][ T5029] dev_set_mtu_ext+0x1e8/0x5d0 [ 76.991543][ T5029] ? dev_validate_mtu+0x180/0x180 [ 76.996615][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 77.002705][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 77.008818][ T5029] ? idr_get_free+0xa30/0xa30 [ 77.013541][ T5029] ? rcu_is_watching+0x12/0xb0 [ 77.018539][ T5029] dev_set_mtu+0xb1/0x160 [ 77.022951][ T5029] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 77.027931][ T5029] ? batadv_max_header_len+0x9/0x10 [ 77.033238][ T5029] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 77.038789][ T5029] batadv_update_min_mtu+0x6e/0x90 [ 77.043952][ T5029] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 77.049590][ T5029] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 77.055802][ T5029] ? genl_start+0x650/0x650 [ 77.060396][ T5029] ? ns_capable+0xd5/0x110 [ 77.064895][ T5029] genl_rcv_msg+0x559/0x800 [ 77.069539][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.075951][ T5029] ? batadv_post_doit+0x470/0x470 [ 77.081047][ T5029] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 77.086986][ T5029] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 77.093258][ T5029] netlink_rcv_skb+0x16b/0x440 [ 77.098549][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.104971][ T5029] ? netlink_ack+0x1370/0x1370 [ 77.109868][ T5029] ? down_write+0x200/0x200 [ 77.114431][ T5029] ? netlink_deliver_tap+0x1b1/0xd00 [ 77.119873][ T5029] genl_rcv+0x28/0x40 [ 77.123912][ T5029] netlink_unicast+0x539/0x800 [ 77.128776][ T5029] ? netlink_attachskb+0x880/0x880 [ 77.133989][ T5029] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 77.140016][ T5029] ? __phys_addr_symbol+0x30/0x70 [ 77.145122][ T5029] ? __check_object_size+0x323/0x740 [ 77.150522][ T5029] netlink_sendmsg+0x93c/0xe30 [ 77.155365][ T5029] ? netlink_unicast+0x800/0x800 [ 77.160431][ T5029] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 77.165787][ T5029] ? netlink_unicast+0x800/0x800 [ 77.170833][ T5029] sock_sendmsg+0xd9/0x180 [ 77.175297][ T5029] ____sys_sendmsg+0x6ac/0x940 [ 77.180335][ T5029] ? copy_msghdr_from_user+0x10b/0x160 [ 77.185869][ T5029] ? kernel_sendmsg+0x50/0x50 [ 77.190664][ T5029] ___sys_sendmsg+0x135/0x1d0 [ 77.195420][ T5029] ? do_recvmmsg+0x740/0x740 [ 77.200148][ T5029] ? lock_sync+0x190/0x190 [ 77.204616][ T5029] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 77.209910][ T5029] ? __fget_light+0x1fc/0x260 [ 77.214770][ T5029] __sys_sendmsg+0x117/0x1e0 [ 77.219518][ T5029] ? __sys_sendmsg_sock+0x30/0x30 [ 77.224604][ T5029] ? ptrace_notify+0xf4/0x130 [ 77.229456][ T5029] ? lockdep_hardirqs_on+0x7d/0x100 [ 77.234723][ T5029] ? _raw_spin_unlock_irq+0x2e/0x50 [ 77.240004][ T5029] ? ptrace_notify+0xf4/0x130 [ 77.245245][ T5029] do_syscall_64+0x38/0xb0 [ 77.249734][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 77.255668][ T5029] RIP: 0033:0x7f816456f619 [ 77.260353][ T5029] Code: 48 83 c4 28 c3 e8 d7 19 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 [ 77.280174][ T5029] RSP: 002b:00007ffd4525b7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.288702][ T5029] RAX: ffffffffffffffda RBX: 00007f81645bc390 RCX: 00007f816456f619 [ 77.296718][ T5029] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 77.304775][ T5029] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 77.312804][ T5029] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4525b830 [ 77.320842][ T5029] R13: 00007ffd4525b800 R14: 0000000000000001 R15: 00007ffd4525b830 [ 77.328883][ T5029] [ 77.331927][ T5029] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 77.339224][ T5029] CPU: 1 PID: 5029 Comm: syz-executor261 Not tainted 6.5.0-rc6-syzkaller-00138-ga0e026e7b37e #0 [ 77.349670][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 77.359739][ T5029] Call Trace: [ 77.363025][ T5029] [ 77.365965][ T5029] dump_stack_lvl+0xd9/0x1b0 [ 77.370578][ T5029] panic+0x6a4/0x750 [ 77.374490][ T5029] ? panic_smp_self_stop+0xa0/0xa0 [ 77.379621][ T5029] ? show_trace_log_lvl+0x29d/0x3c0 [ 77.384853][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 77.391024][ T5029] check_panic_on_warn+0xab/0xb0 [ 77.395983][ T5029] __warn+0xf2/0x380 [ 77.399910][ T5029] ? preempt_schedule_notrace+0x5f/0xe0 [ 77.405482][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 77.411750][ T5029] report_bug+0x3bc/0x580 [ 77.416113][ T5029] handle_bug+0x3c/0x70 [ 77.420326][ T5029] exc_invalid_op+0x17/0x40 [ 77.424869][ T5029] asm_exc_invalid_op+0x1a/0x20 [ 77.429852][ T5029] RIP: 0010:call_netdevice_notifiers_info+0x107/0x130 [ 77.436676][ T5029] Code: f9 40 84 ed 75 8d e8 28 68 5e f9 ba a1 07 00 00 48 c7 c6 e0 34 81 8b 48 c7 c7 20 35 81 8b c6 05 97 34 6e 06 01 e8 49 2a 25 f9 <0f> 0b e9 62 ff ff ff 48 89 df e8 3a 75 b2 f9 e9 15 ff ff ff e8 30 [ 77.456332][ T5029] RSP: 0018:ffffc90003a7f2b8 EFLAGS: 00010282 [ 77.462424][ T5029] RAX: 0000000000000000 RBX: ffffc90003a7f320 RCX: 0000000000000000 [ 77.470417][ T5029] RDX: ffff888027ac3b80 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 77.478412][ T5029] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 77.486576][ T5029] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 77.494572][ T5029] R13: ffff888076b40000 R14: ffff8880725a00e8 R15: 0000000000000001 [ 77.502575][ T5029] ? __warn_printk+0x1a6/0x350 [ 77.507377][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 77.513563][ T5029] dev_set_mtu_ext+0x1e8/0x5d0 [ 77.518365][ T5029] ? dev_validate_mtu+0x180/0x180 [ 77.523430][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 77.529451][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 77.535468][ T5029] ? idr_get_free+0xa30/0xa30 [ 77.540183][ T5029] ? rcu_is_watching+0x12/0xb0 [ 77.544995][ T5029] dev_set_mtu+0xb1/0x160 [ 77.549360][ T5029] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 77.554349][ T5029] ? batadv_max_header_len+0x9/0x10 [ 77.559573][ T5029] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 77.565061][ T5029] batadv_update_min_mtu+0x6e/0x90 [ 77.570205][ T5029] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 77.575787][ T5029] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 77.581984][ T5029] ? genl_start+0x650/0x650 [ 77.586543][ T5029] ? ns_capable+0xd5/0x110 [ 77.591014][ T5029] genl_rcv_msg+0x559/0x800 [ 77.595556][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.601925][ T5029] ? batadv_post_doit+0x470/0x470 [ 77.606978][ T5029] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 77.612916][ T5029] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 77.619124][ T5029] netlink_rcv_skb+0x16b/0x440 [ 77.623936][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.630311][ T5029] ? netlink_ack+0x1370/0x1370 [ 77.635129][ T5029] ? down_write+0x200/0x200 [ 77.639680][ T5029] ? netlink_deliver_tap+0x1b1/0xd00 [ 77.645006][ T5029] genl_rcv+0x28/0x40 [ 77.649027][ T5029] netlink_unicast+0x539/0x800 [ 77.653833][ T5029] ? netlink_attachskb+0x880/0x880 [ 77.658980][ T5029] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 77.664914][ T5029] ? __phys_addr_symbol+0x30/0x70 [ 77.669970][ T5029] ? __check_object_size+0x323/0x740 [ 77.675291][ T5029] netlink_sendmsg+0x93c/0xe30 [ 77.680108][ T5029] ? netlink_unicast+0x800/0x800 [ 77.685091][ T5029] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 77.690426][ T5029] ? netlink_unicast+0x800/0x800 [ 77.695424][ T5029] sock_sendmsg+0xd9/0x180 [ 77.699874][ T5029] ____sys_sendmsg+0x6ac/0x940 [ 77.704672][ T5029] ? copy_msghdr_from_user+0x10b/0x160 [ 77.710173][ T5029] ? kernel_sendmsg+0x50/0x50 [ 77.714895][ T5029] ___sys_sendmsg+0x135/0x1d0 [ 77.719648][ T5029] ? do_recvmmsg+0x740/0x740 [ 77.724289][ T5029] ? lock_sync+0x190/0x190 [ 77.728740][ T5029] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 77.733978][ T5029] ? __fget_light+0x1fc/0x260 [ 77.738701][ T5029] __sys_sendmsg+0x117/0x1e0 [ 77.743333][ T5029] ? __sys_sendmsg_sock+0x30/0x30 [ 77.748393][ T5029] ? ptrace_notify+0xf4/0x130 [ 77.753110][ T5029] ? lockdep_hardirqs_on+0x7d/0x100 [ 77.758350][ T5029] ? _raw_spin_unlock_irq+0x2e/0x50 [ 77.763589][ T5029] ? ptrace_notify+0xf4/0x130 [ 77.768309][ T5029] do_syscall_64+0x38/0xb0 [ 77.772753][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 77.778676][ T5029] RIP: 0033:0x7f816456f619 [ 77.783110][ T5029] Code: 48 83 c4 28 c3 e8 d7 19 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 [ 77.802836][ T5029] RSP: 002b:00007ffd4525b7e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.811280][ T5029] RAX: ffffffffffffffda RBX: 00007f81645bc390 RCX: 00007f816456f619 [ 77.819273][ T5029] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 77.827265][ T5029] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 77.835258][ T5029] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4525b830 [ 77.843270][ T5029] R13: 00007ffd4525b800 R14: 0000000000000001 R15: 00007ffd4525b830 [ 77.851288][ T5029] [ 77.854417][ T5029] Kernel Offset: disabled [ 77.858865][ T5029] Rebooting in 86400 seconds..