./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4011319772 <...> Warning: Permanently added '10.128.0.9' (ED25519) to the list of known hosts. execve("./syz-executor4011319772", ["./syz-executor4011319772"], 0x7fffe6fad100 /* 10 vars */) = 0 brk(NULL) = 0x555556fab000 brk(0x555556fabd00) = 0x555556fabd00 arch_prctl(ARCH_SET_FS, 0x555556fab380) = 0 set_tid_address(0x555556fab650) = 5025 set_robust_list(0x555556fab660, 24) = 0 rseq(0x555556fabca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4011319772", 4096) = 28 getrandom("\x38\x70\x89\x9c\x31\x48\x6c\x19", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556fabd00 brk(0x555556fccd00) = 0x555556fccd00 brk(0x555556fcd000) = 0x555556fcd000 mprotect(0x7fb1f9867000, 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./strace-static-x86_64: Process 5026 attached , child_tidptr=0x555556fab650) = 5026 [pid 5026] set_robust_list(0x555556fab660, 24) = 0 [pid 5026] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setsid() = 1 [pid 5026] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5026] unshare(CLONE_NEWNS) = 0 [pid 5026] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5026] unshare(CLONE_NEWIPC) = 0 [pid 5026] unshare(CLONE_NEWCGROUP) = 0 [pid 5026] unshare(CLONE_NEWUTS) = 0 [pid 5026] unshare(CLONE_SYSVSEM) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "16777216", 8) = 8 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "536870912", 9) = 9 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "8192", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5026] close(3) = 0 [pid 5026] getpid() = 1 [pid 5026] 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 [ 65.470980][ T5026] RSP: 0018:ffffc90003a0f2b8 EFLAGS: 00010282 [ 65.477118][ T5026] RAX: 0000000000000000 RBX: ffffc90003a0f320 RCX: 0000000000000000 [ 65.485481][ T5026] RDX: ffff88802d6fbb80 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 65.493457][ T5026] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 65.501540][ T5026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 65.509690][ T5026] R13: ffff88807c3c8000 R14: ffff88807c0d80e8 R15: 0000000000000001 [ 65.517774][ T5026] FS: 0000555556fab380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 65.526756][ T5026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.533353][ T5026] CR2: 0000000020000140 CR3: 000000002d5a0000 CR4: 00000000003506f0 [ 65.541518][ T5026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.550080][ T5026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.558242][ T5026] Call Trace: [ 65.561545][ T5026] [ 65.564601][ T5026] ? __warn+0xe6/0x380 [ 65.568899][ T5026] ? preempt_schedule_notrace+0x5f/0xe0 [ 65.574532][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 65.580713][ T5026] ? report_bug+0x3bc/0x580 [ 65.585274][ T5026] ? handle_bug+0x3c/0x70 [ 65.589636][ T5026] ? exc_invalid_op+0x17/0x40 [ 65.594325][ T5026] ? asm_exc_invalid_op+0x1a/0x20 [ 65.599543][ T5026] ? __warn_printk+0x1a6/0x350 [ 65.604333][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 65.610555][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 65.616764][ T5026] dev_set_mtu_ext+0x1e8/0x5d0 [ 65.621555][ T5026] ? dev_validate_mtu+0x180/0x180 [ 65.626769][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.632783][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 65.638866][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 65.644853][ T5026] dev_set_mtu+0xb1/0x160 [ 65.649214][ T5026] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 65.654167][ T5026] ? batadv_max_header_len+0x9/0x10 [ 65.659448][ T5026] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 65.665016][ T5026] batadv_update_min_mtu+0x6e/0x90 [ 65.670182][ T5026] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 65.675898][ T5026] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 65.682106][ T5026] ? genl_start+0x650/0x650 [ 65.686788][ T5026] ? ns_capable+0xd5/0x110 [ 65.691356][ T5026] genl_rcv_msg+0x559/0x800 [ 65.695978][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 65.702358][ T5026] ? batadv_post_doit+0x470/0x470 [ 65.708138][ T5026] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 65.714082][ T5026] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 65.720312][ T5026] netlink_rcv_skb+0x16b/0x440 [ 65.725285][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 65.731655][ T5026] ? netlink_ack+0x1370/0x1370 [ 65.736494][ T5026] ? down_write+0x200/0x200 [ 65.741102][ T5026] ? netlink_deliver_tap+0x1b1/0xd00 [ 65.746690][ T5026] genl_rcv+0x28/0x40 [ 65.750714][ T5026] netlink_unicast+0x539/0x800 [ 65.755610][ T5026] ? netlink_attachskb+0x880/0x880 [ 65.760840][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 65.766920][ T5026] ? __phys_addr_symbol+0x30/0x70 [ 65.771975][ T5026] ? __check_object_size+0x323/0x740 [ 65.777314][ T5026] netlink_sendmsg+0x93c/0xe30 [ 65.782117][ T5026] ? netlink_unicast+0x800/0x800 [ 65.787212][ T5026] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 65.792537][ T5026] ? netlink_unicast+0x800/0x800 [ 65.797545][ T5026] sock_sendmsg+0xd9/0x180 [ 65.801992][ T5026] ____sys_sendmsg+0x6ac/0x940 [ 65.806821][ T5026] ? copy_msghdr_from_user+0x10b/0x160 [ 65.812311][ T5026] ? kernel_sendmsg+0x50/0x50 [ 65.817135][ T5026] ___sys_sendmsg+0x135/0x1d0 [ 65.821860][ T5026] ? do_recvmmsg+0x740/0x740 [ 65.826569][ T5026] ? lock_sync+0x190/0x190 [ 65.831079][ T5026] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 65.836489][ T5026] ? __fget_light+0x1fc/0x260 [ 65.841200][ T5026] __sys_sendmsg+0x117/0x1e0 [ 65.845867][ T5026] ? __sys_sendmsg_sock+0x30/0x30 [ 65.850958][ T5026] ? ptrace_notify+0xf4/0x130 [ 65.855716][ T5026] ? lockdep_hardirqs_on+0x7d/0x100 [ 65.860956][ T5026] ? _raw_spin_unlock_irq+0x2e/0x50 [ 65.866363][ T5026] ? ptrace_notify+0xf4/0x130 [ 65.871070][ T5026] do_syscall_64+0x38/0xb0 [ 65.875648][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 65.881562][ T5026] RIP: 0033:0x7fb1f97ef619 [ 65.886026][ T5026] 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 [ 65.905880][ T5026] RSP: 002b:00007fff2a568798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 65.914879][ T5026] RAX: ffffffffffffffda RBX: 00007fb1f983c390 RCX: 00007fb1f97ef619 [ 65.922869][ T5026] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 65.930911][ T5026] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 65.938971][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2a5687e0 [ 65.947164][ T5026] R13: 00007fff2a5687b0 R14: 0000000000000001 R15: 00007fff2a5687e0 [ 65.955310][ T5026] [ 65.958460][ T5026] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 65.965748][ T5026] CPU: 0 PID: 5026 Comm: syz-executor401 Not tainted 6.5.0-rc6-syzkaller-00138-ga0e026e7b37e #0 [ 65.976178][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 65.986243][ T5026] Call Trace: [ 65.989528][ T5026] [ 65.992466][ T5026] dump_stack_lvl+0xd9/0x1b0 [ 65.997077][ T5026] panic+0x6a4/0x750 [ 66.001077][ T5026] ? panic_smp_self_stop+0xa0/0xa0 [ 66.006289][ T5026] ? show_trace_log_lvl+0x29d/0x3c0 [ 66.011517][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 66.017689][ T5026] check_panic_on_warn+0xab/0xb0 [ 66.022758][ T5026] __warn+0xf2/0x380 [ 66.026666][ T5026] ? preempt_schedule_notrace+0x5f/0xe0 [ 66.032236][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 66.038410][ T5026] report_bug+0x3bc/0x580 [ 66.043191][ T5026] handle_bug+0x3c/0x70 [ 66.047881][ T5026] exc_invalid_op+0x17/0x40 [ 66.052483][ T5026] asm_exc_invalid_op+0x1a/0x20 [ 66.057355][ T5026] RIP: 0010:call_netdevice_notifiers_info+0x107/0x130 [ 66.064248][ T5026] 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 [ 66.084145][ T5026] RSP: 0018:ffffc90003a0f2b8 EFLAGS: 00010282 [ 66.090594][ T5026] RAX: 0000000000000000 RBX: ffffc90003a0f320 RCX: 0000000000000000 [ 66.098583][ T5026] RDX: ffff88802d6fbb80 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 66.106576][ T5026] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 66.114576][ T5026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 66.122758][ T5026] R13: ffff88807c3c8000 R14: ffff88807c0d80e8 R15: 0000000000000001 [ 66.130846][ T5026] ? __warn_printk+0x1a6/0x350 [ 66.135631][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 66.141801][ T5026] dev_set_mtu_ext+0x1e8/0x5d0 [ 66.146585][ T5026] ? dev_validate_mtu+0x180/0x180 [ 66.151628][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 66.157685][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 66.163825][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 66.169849][ T5026] dev_set_mtu+0xb1/0x160 [ 66.174200][ T5026] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 66.179200][ T5026] ? batadv_max_header_len+0x9/0x10 [ 66.184421][ T5026] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 66.189896][ T5026] batadv_update_min_mtu+0x6e/0x90 [ 66.195040][ T5026] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 66.200612][ T5026] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 66.206801][ T5026] ? genl_start+0x650/0x650 [ 66.211335][ T5026] ? ns_capable+0xd5/0x110 [ 66.215780][ T5026] genl_rcv_msg+0x559/0x800 [ 66.220318][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 66.226758][ T5026] ? batadv_post_doit+0x470/0x470 [ 66.231836][ T5026] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 66.237832][ T5026] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 66.244101][ T5026] netlink_rcv_skb+0x16b/0x440 [ 66.249160][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 66.255509][ T5026] ? netlink_ack+0x1370/0x1370 [ 66.260305][ T5026] ? down_write+0x200/0x200 [ 66.264834][ T5026] ? netlink_deliver_tap+0x1b1/0xd00 [ 66.270142][ T5026] genl_rcv+0x28/0x40 [ 66.274146][ T5026] netlink_unicast+0x539/0x800 [ 66.278955][ T5026] ? netlink_attachskb+0x880/0x880 [ 66.284171][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 66.290095][ T5026] ? __phys_addr_symbol+0x30/0x70 [ 66.295397][ T5026] ? __check_object_size+0x323/0x740 [ 66.300786][ T5026] netlink_sendmsg+0x93c/0xe30 [ 66.305589][ T5026] ? netlink_unicast+0x800/0x800 [ 66.310594][ T5026] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 66.315923][ T5026] ? netlink_unicast+0x800/0x800 [ 66.320906][ T5026] sock_sendmsg+0xd9/0x180 [ 66.325392][ T5026] ____sys_sendmsg+0x6ac/0x940 [ 66.330189][ T5026] ? copy_msghdr_from_user+0x10b/0x160 [ 66.335670][ T5026] ? kernel_sendmsg+0x50/0x50 [ 66.340383][ T5026] ___sys_sendmsg+0x135/0x1d0 [ 66.345096][ T5026] ? do_recvmmsg+0x740/0x740 [ 66.349715][ T5026] ? lock_sync+0x190/0x190 [ 66.354235][ T5026] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 66.359460][ T5026] ? __fget_light+0x1fc/0x260 [ 66.364165][ T5026] __sys_sendmsg+0x117/0x1e0 [ 66.368777][ T5026] ? __sys_sendmsg_sock+0x30/0x30 [ 66.373936][ T5026] ? ptrace_notify+0xf4/0x130 [ 66.378640][ T5026] ? lockdep_hardirqs_on+0x7d/0x100 [ 66.383870][ T5026] ? _raw_spin_unlock_irq+0x2e/0x50 [ 66.389095][ T5026] ? ptrace_notify+0xf4/0x130 [ 66.393801][ T5026] do_syscall_64+0x38/0xb0 [ 66.398245][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 66.404152][ T5026] RIP: 0033:0x7fb1f97ef619 [ 66.408590][ T5026] 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 [ 66.428213][ T5026] RSP: 002b:00007fff2a568798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.436638][ T5026] RAX: ffffffffffffffda RBX: 00007fb1f983c390 RCX: 00007fb1f97ef619 [ 66.444622][ T5026] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 66.452624][ T5026] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 66.460622][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff2a5687e0 [ 66.468680][ T5026] R13: 00007fff2a5687b0 R14: 0000000000000001 R15: 00007fff2a5687e0 [ 66.476687][ T5026] [ 66.480033][ T5026] Kernel Offset: disabled [ 66.484456][ T5026] Rebooting in 86400 seconds..