./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4215373029 <...> Warning: Permanently added '10.128.1.26' (ED25519) to the list of known hosts. execve("./syz-executor4215373029", ["./syz-executor4215373029"], 0x7ffe0f3eab60 /* 10 vars */) = 0 brk(NULL) = 0x5555572a0000 brk(0x5555572a0d00) = 0x5555572a0d00 arch_prctl(ARCH_SET_FS, 0x5555572a0380) = 0 set_tid_address(0x5555572a0650) = 5025 set_robust_list(0x5555572a0660, 24) = 0 rseq(0x5555572a0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4215373029", 4096) = 28 getrandom("\x54\xdd\xf6\x13\xf8\x8a\x56\xa1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555572a0d00 brk(0x5555572c1d00) = 0x5555572c1d00 brk(0x5555572c2000) = 0x5555572c2000 mprotect(0x7f402553c000, 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=0x5555572a0650) = 5026 ./strace-static-x86_64: Process 5026 attached [pid 5026] set_robust_list(0x5555572a0660, 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 9a 75 b2 f9 e9 15 ff ff ff e8 90 [ 59.375252][ T5026] RSP: 0018:ffffc900039ff2b8 EFLAGS: 00010282 [ 59.381496][ T5026] RAX: 0000000000000000 RBX: ffffc900039ff320 RCX: 0000000000000000 [ 59.389595][ T5026] RDX: ffff888021541dc0 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 59.410410][ T5026] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 59.418406][ T5026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 59.426471][ T5026] R13: ffff88807cc08000 R14: ffff88807dbf80e8 R15: 0000000000000001 [ 59.434526][ T5026] FS: 00005555572a0380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 59.443699][ T5026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.450696][ T5026] CR2: 00000000200004c0 CR3: 0000000079a9b000 CR4: 00000000003506f0 [ 59.458662][ T5026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.466713][ T5026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.474776][ T5026] Call Trace: [ 59.478045][ T5026] [ 59.481131][ T5026] ? __warn+0xe6/0x380 [ 59.485231][ T5026] ? preempt_schedule_notrace+0x5f/0xe0 [ 59.490946][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 59.497219][ T5026] ? report_bug+0x3bc/0x580 [ 59.501860][ T5026] ? handle_bug+0x3c/0x70 [ 59.506214][ T5026] ? exc_invalid_op+0x17/0x40 [ 59.511044][ T5026] ? asm_exc_invalid_op+0x1a/0x20 [ 59.516099][ T5026] ? __warn_printk+0x1a6/0x350 [ 59.520944][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 59.527122][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 59.533378][ T5026] dev_set_mtu_ext+0x1e8/0x5d0 [ 59.538191][ T5026] ? dev_validate_mtu+0x180/0x180 [ 59.543349][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.549595][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.555617][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 59.561844][ T5026] dev_set_mtu+0xb1/0x160 [ 59.566216][ T5026] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 59.571265][ T5026] ? batadv_max_header_len+0x9/0x10 [ 59.576483][ T5026] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 59.582036][ T5026] batadv_update_min_mtu+0x6e/0x90 [ 59.587169][ T5026] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 59.592791][ T5026] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 59.598985][ T5026] ? genl_start+0x650/0x650 [ 59.603614][ T5026] ? ns_capable+0xd5/0x110 [ 59.608074][ T5026] genl_rcv_msg+0x559/0x800 [ 59.612699][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 59.619083][ T5026] ? batadv_post_doit+0x470/0x470 [ 59.624303][ T5026] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 59.630442][ T5026] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 59.636642][ T5026] netlink_rcv_skb+0x16b/0x440 [ 59.641657][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 59.648035][ T5026] ? netlink_ack+0x1370/0x1370 [ 59.652951][ T5026] ? down_write+0x200/0x200 [ 59.657577][ T5026] ? netlink_deliver_tap+0x1b1/0xd00 [ 59.662949][ T5026] genl_rcv+0x28/0x40 [ 59.666973][ T5026] netlink_unicast+0x539/0x800 [ 59.671947][ T5026] ? netlink_attachskb+0x880/0x880 [ 59.677101][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 59.683103][ T5026] ? __phys_addr_symbol+0x30/0x70 [ 59.688187][ T5026] ? __check_object_size+0x323/0x740 [ 59.693653][ T5026] netlink_sendmsg+0x93c/0xe30 [ 59.698449][ T5026] ? netlink_unicast+0x800/0x800 [ 59.703456][ T5026] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 59.708872][ T5026] ? netlink_unicast+0x800/0x800 [ 59.713904][ T5026] sock_sendmsg+0xd9/0x180 [ 59.718349][ T5026] ____sys_sendmsg+0x6ac/0x940 [ 59.723402][ T5026] ? copy_msghdr_from_user+0x10b/0x160 [ 59.729175][ T5026] ? kernel_sendmsg+0x50/0x50 [ 59.734180][ T5026] ___sys_sendmsg+0x135/0x1d0 [ 59.738896][ T5026] ? do_recvmmsg+0x740/0x740 [ 59.743688][ T5026] ? lock_sync+0x190/0x190 [ 59.748228][ T5026] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 59.753619][ T5026] ? __fget_light+0x1fc/0x260 [ 59.758323][ T5026] __sys_sendmsg+0x117/0x1e0 [ 59.763090][ T5026] ? __sys_sendmsg_sock+0x30/0x30 [ 59.768381][ T5026] ? ptrace_notify+0xf4/0x130 [ 59.773174][ T5026] ? lockdep_hardirqs_on+0x7d/0x100 [ 59.778407][ T5026] ? _raw_spin_unlock_irq+0x2e/0x50 [ 59.783698][ T5026] ? ptrace_notify+0xf4/0x130 [ 59.788400][ T5026] do_syscall_64+0x38/0xb0 [ 59.792934][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.798943][ T5026] RIP: 0033:0x7f40254c4659 [ 59.803719][ 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 [ 59.823465][ T5026] RSP: 002b:00007ffec57c3e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 59.832119][ T5026] RAX: ffffffffffffffda RBX: 00007f4025511390 RCX: 00007f40254c4659 [ 59.840178][ T5026] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 59.848162][ T5026] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 59.856317][ T5026] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffec57c3e50 [ 59.864354][ T5026] R13: 00007ffec57c3e20 R14: 0000000000000001 R15: 00007ffec57c3e50 [ 59.872397][ T5026] [ 59.875425][ T5026] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.882698][ T5026] CPU: 0 PID: 5026 Comm: syz-executor421 Not tainted 6.5.0-rc6-syzkaller-00136-g2572ce62415c #0 [ 59.893105][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 59.903232][ T5026] Call Trace: [ 59.906505][ T5026] [ 59.909435][ T5026] dump_stack_lvl+0xd9/0x1b0 [ 59.914023][ T5026] panic+0x6a4/0x750 [ 59.917943][ T5026] ? panic_smp_self_stop+0xa0/0xa0 [ 59.923044][ T5026] ? show_trace_log_lvl+0x29d/0x3c0 [ 59.928240][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 59.934397][ T5026] check_panic_on_warn+0xab/0xb0 [ 59.939355][ T5026] __warn+0xf2/0x380 [ 59.943267][ T5026] ? preempt_schedule_notrace+0x5f/0xe0 [ 59.948826][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 59.954993][ T5026] report_bug+0x3bc/0x580 [ 59.959338][ T5026] handle_bug+0x3c/0x70 [ 59.963507][ T5026] exc_invalid_op+0x17/0x40 [ 59.968045][ T5026] asm_exc_invalid_op+0x1a/0x20 [ 59.972907][ T5026] RIP: 0010:call_netdevice_notifiers_info+0x107/0x130 [ 59.979695][ T5026] Code: f9 40 84 ed 75 8d e8 88 68 5e f9 ba a1 07 00 00 48 c7 c6 e0 34 81 8b 48 c7 c7 20 35 81 8b c6 05 b7 34 6e 06 01 e8 a9 2a 25 f9 <0f> 0b e9 62 ff ff ff 48 89 df e8 9a 75 b2 f9 e9 15 ff ff ff e8 90 [ 59.999314][ T5026] RSP: 0018:ffffc900039ff2b8 EFLAGS: 00010282 [ 60.005391][ T5026] RAX: 0000000000000000 RBX: ffffc900039ff320 RCX: 0000000000000000 [ 60.013368][ T5026] RDX: ffff888021541dc0 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 60.021346][ T5026] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 60.029317][ T5026] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 60.037293][ T5026] R13: ffff88807cc08000 R14: ffff88807dbf80e8 R15: 0000000000000001 [ 60.045372][ T5026] ? __warn_printk+0x1a6/0x350 [ 60.050160][ T5026] ? call_netdevice_notifiers_info+0x107/0x130 [ 60.056329][ T5026] dev_set_mtu_ext+0x1e8/0x5d0 [ 60.061115][ T5026] ? dev_validate_mtu+0x180/0x180 [ 60.066169][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.072187][ T5026] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.078202][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 60.084128][ T5026] dev_set_mtu+0xb1/0x160 [ 60.088472][ T5026] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 60.093445][ T5026] ? batadv_max_header_len+0x9/0x10 [ 60.098683][ T5026] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 60.104267][ T5026] batadv_update_min_mtu+0x6e/0x90 [ 60.109393][ T5026] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 60.114974][ T5026] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 60.121161][ T5026] ? genl_start+0x650/0x650 [ 60.125943][ T5026] ? ns_capable+0xd5/0x110 [ 60.130386][ T5026] genl_rcv_msg+0x559/0x800 [ 60.135118][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 60.141474][ T5026] ? batadv_post_doit+0x470/0x470 [ 60.146551][ T5026] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 60.152614][ T5026] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 60.158885][ T5026] netlink_rcv_skb+0x16b/0x440 [ 60.163676][ T5026] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 60.170119][ T5026] ? netlink_ack+0x1370/0x1370 [ 60.174923][ T5026] ? down_write+0x200/0x200 [ 60.179450][ T5026] ? netlink_deliver_tap+0x1b1/0xd00 [ 60.184805][ T5026] genl_rcv+0x28/0x40 [ 60.188805][ T5026] netlink_unicast+0x539/0x800 [ 60.193603][ T5026] ? netlink_attachskb+0x880/0x880 [ 60.198731][ T5026] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 60.204649][ T5026] ? __phys_addr_symbol+0x30/0x70 [ 60.209693][ T5026] ? __check_object_size+0x323/0x740 [ 60.215087][ T5026] netlink_sendmsg+0x93c/0xe30 [ 60.219961][ T5026] ? netlink_unicast+0x800/0x800 [ 60.224926][ T5026] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 60.230228][ T5026] ? netlink_unicast+0x800/0x800 [ 60.235186][ T5026] sock_sendmsg+0xd9/0x180 [ 60.239619][ T5026] ____sys_sendmsg+0x6ac/0x940 [ 60.244399][ T5026] ? copy_msghdr_from_user+0x10b/0x160 [ 60.249920][ T5026] ? kernel_sendmsg+0x50/0x50 [ 60.254642][ T5026] ___sys_sendmsg+0x135/0x1d0 [ 60.259340][ T5026] ? do_recvmmsg+0x740/0x740 [ 60.263971][ T5026] ? lock_sync+0x190/0x190 [ 60.268409][ T5026] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 60.273632][ T5026] ? __fget_light+0x1fc/0x260 [ 60.278399][ T5026] __sys_sendmsg+0x117/0x1e0 [ 60.283105][ T5026] ? __sys_sendmsg_sock+0x30/0x30 [ 60.288154][ T5026] ? ptrace_notify+0xf4/0x130 [ 60.292855][ T5026] ? lockdep_hardirqs_on+0x7d/0x100 [ 60.298103][ T5026] ? _raw_spin_unlock_irq+0x2e/0x50 [ 60.303532][ T5026] ? ptrace_notify+0xf4/0x130 [ 60.308337][ T5026] do_syscall_64+0x38/0xb0 [ 60.312770][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.318678][ T5026] RIP: 0033:0x7f40254c4659 [ 60.323101][ 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 [ 60.342724][ T5026] RSP: 002b:00007ffec57c3e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 60.351150][ T5026] RAX: ffffffffffffffda RBX: 00007f4025511390 RCX: 00007f40254c4659 [ 60.359127][ T5026] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 60.367105][ T5026] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 60.375255][ T5026] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffec57c3e50 [ 60.383236][ T5026] R13: 00007ffec57c3e20 R14: 0000000000000001 R15: 00007ffec57c3e50 [ 60.391232][ T5026] [ 60.394360][ T5026] Kernel Offset: disabled [ 60.398778][ T5026] Rebooting in 86400 seconds..