./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor368739309 <...> Warning: Permanently added '10.128.0.157' (ED25519) to the list of known hosts. execve("./syz-executor368739309", ["./syz-executor368739309"], 0x7fff44907380 /* 10 vars */) = 0 brk(NULL) = 0x555555ccd000 brk(0x555555ccdd00) = 0x555555ccdd00 arch_prctl(ARCH_SET_FS, 0x555555ccd380) = 0 set_tid_address(0x555555ccd650) = 5032 set_robust_list(0x555555ccd660, 24) = 0 rseq(0x555555ccdca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor368739309", 4096) = 27 getrandom("\x4e\x1e\x62\xe6\x6a\xeb\xa0\xb6", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555ccdd00 brk(0x555555ceed00) = 0x555555ceed00 brk(0x555555cef000) = 0x555555cef000 mprotect(0x7ff08929f000, 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 5033 attached , child_tidptr=0x555555ccd650) = 5033 [pid 5033] set_robust_list(0x555555ccd660, 24) = 0 [pid 5033] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5033] setsid() = 1 [pid 5033] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5033] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5033] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5033] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5033] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5033] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5033] unshare(CLONE_NEWNS) = 0 [pid 5033] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5033] unshare(CLONE_NEWIPC) = 0 [pid 5033] unshare(CLONE_NEWCGROUP) = 0 [pid 5033] unshare(CLONE_NEWUTS) = 0 [pid 5033] unshare(CLONE_SYSVSEM) = 0 [pid 5033] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "16777216", 8) = 8 [pid 5033] close(3) = 0 [pid 5033] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "536870912", 9) = 9 [pid 5033] close(3) = 0 [pid 5033] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "1024", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "8192", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "1024", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "1024", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5033] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5033] close(3) = 0 [pid 5033] getpid() = 1 [pid 5033] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 62 ff ff ff 48 89 df e8 ea 75 b2 f9 e9 15 ff ff ff e8 e0 [ 81.333993][ T5033] RSP: 0018:ffffc900039df2b8 EFLAGS: 00010282 [ 81.340093][ T5033] RAX: 0000000000000000 RBX: ffffc900039df320 RCX: 0000000000000000 [ 81.348139][ T5033] RDX: ffff88802d421dc0 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 81.356175][ T5033] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 81.364256][ T5033] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 81.372292][ T5033] R13: ffff888078c30000 R14: ffff88807d45c0e8 R15: 0000000000000001 [ 81.380280][ T5033] FS: 0000555555ccd380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 81.389388][ T5033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.396053][ T5033] CR2: 000000000066a4e0 CR3: 000000007c0e3000 CR4: 00000000003506f0 [ 81.404125][ T5033] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.412161][ T5033] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.420167][ T5033] Call Trace: [ 81.423519][ T5033] [ 81.426479][ T5033] ? __warn+0xe6/0x380 [ 81.430571][ T5033] ? preempt_schedule_notrace+0x5f/0xe0 [ 81.436211][ T5033] ? call_netdevice_notifiers_info+0x107/0x130 [ 81.442455][ T5033] ? report_bug+0x3bc/0x580 [ 81.447019][ T5033] ? handle_bug+0x3c/0x70 [ 81.451385][ T5033] ? exc_invalid_op+0x17/0x40 [ 81.456144][ T5033] ? asm_exc_invalid_op+0x1a/0x20 [ 81.461228][ T5033] ? __warn_printk+0x1a6/0x350 [ 81.466201][ T5033] ? call_netdevice_notifiers_info+0x107/0x130 [ 81.472460][ T5033] ? call_netdevice_notifiers_info+0x107/0x130 [ 81.478685][ T5033] dev_set_mtu_ext+0x1e8/0x5d0 [ 81.483565][ T5033] ? dev_validate_mtu+0x180/0x180 [ 81.488646][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 81.494713][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 81.500747][ T5033] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 81.506739][ T5033] dev_set_mtu+0xb1/0x160 [ 81.511114][ T5033] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 81.516170][ T5033] ? batadv_max_header_len+0x9/0x10 [ 81.521412][ T5033] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 81.526953][ T5033] batadv_update_min_mtu+0x6e/0x90 [ 81.532380][ T5033] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 81.537955][ T5033] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 81.544454][ T5033] ? genl_start+0x650/0x650 [ 81.549056][ T5033] ? ns_capable+0xd5/0x110 [ 81.553618][ T5033] genl_rcv_msg+0x559/0x800 [ 81.558185][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 81.564630][ T5033] ? batadv_post_doit+0x470/0x470 [ 81.569707][ T5033] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 81.575758][ T5033] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 81.582087][ T5033] netlink_rcv_skb+0x16b/0x440 [ 81.586898][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 81.593312][ T5033] ? netlink_ack+0x1370/0x1370 [ 81.598144][ T5033] ? down_write+0x200/0x200 [ 81.602806][ T5033] ? netlink_deliver_tap+0x1b1/0xd00 [ 81.608155][ T5033] genl_rcv+0x28/0x40 [ 81.612234][ T5033] netlink_unicast+0x539/0x800 [ 81.617095][ T5033] ? netlink_attachskb+0x880/0x880 [ 81.622388][ T5033] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 81.628339][ T5033] ? __phys_addr_symbol+0x30/0x70 [ 81.633497][ T5033] ? __check_object_size+0x323/0x740 [ 81.638840][ T5033] netlink_sendmsg+0x93c/0xe30 [ 81.643918][ T5033] ? netlink_unicast+0x800/0x800 [ 81.648921][ T5033] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 81.654286][ T5033] ? netlink_unicast+0x800/0x800 [ 81.659274][ T5033] sock_sendmsg+0xd9/0x180 [ 81.663807][ T5033] ____sys_sendmsg+0x6ac/0x940 [ 81.668616][ T5033] ? copy_msghdr_from_user+0x10b/0x160 [ 81.674193][ T5033] ? kernel_sendmsg+0x50/0x50 [ 81.678928][ T5033] ___sys_sendmsg+0x135/0x1d0 [ 81.683691][ T5033] ? do_recvmmsg+0x740/0x740 [ 81.688346][ T5033] ? lock_sync+0x190/0x190 [ 81.692853][ T5033] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 81.698104][ T5033] ? __fget_light+0x1fc/0x260 [ 81.702974][ T5033] __sys_sendmsg+0x117/0x1e0 [ 81.707633][ T5033] ? __sys_sendmsg_sock+0x30/0x30 [ 81.712786][ T5033] ? ptrace_notify+0xf4/0x130 [ 81.717523][ T5033] ? lockdep_hardirqs_on+0x7d/0x100 [ 81.722810][ T5033] ? _raw_spin_unlock_irq+0x2e/0x50 [ 81.728067][ T5033] ? ptrace_notify+0xf4/0x130 [ 81.732865][ T5033] do_syscall_64+0x38/0xb0 [ 81.737321][ T5033] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 81.743296][ T5033] RIP: 0033:0x7ff089227659 [ 81.747765][ T5033] 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 [ 81.767465][ T5033] RSP: 002b:00007ffdbc91ce88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.775969][ T5033] RAX: ffffffffffffffda RBX: 00007ff089274390 RCX: 00007ff089227659 [ 81.784069][ T5033] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 81.792128][ T5033] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 81.800161][ T5033] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffdbc91ced0 [ 81.808202][ T5033] R13: 00007ffdbc91cea0 R14: 0000000000000001 R15: 00007ffdbc91ced0 [ 81.816282][ T5033] [ 81.819321][ T5033] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 81.826613][ T5033] CPU: 0 PID: 5033 Comm: syz-executor368 Not tainted 6.5.0-rc6-syzkaller-00126-gd44036cad311 #0 [ 81.837139][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 81.847213][ T5033] Call Trace: [ 81.850507][ T5033] [ 81.853462][ T5033] dump_stack_lvl+0xd9/0x1b0 [ 81.858093][ T5033] panic+0x6a4/0x750 [ 81.862026][ T5033] ? panic_smp_self_stop+0xa0/0xa0 [ 81.867255][ T5033] ? show_trace_log_lvl+0x29d/0x3c0 [ 81.872497][ T5033] ? call_netdevice_notifiers_info+0x107/0x130 [ 81.878681][ T5033] check_panic_on_warn+0xab/0xb0 [ 81.883647][ T5033] __warn+0xf2/0x380 [ 81.887592][ T5033] ? preempt_schedule_notrace+0x5f/0xe0 [ 81.893174][ T5033] ? call_netdevice_notifiers_info+0x107/0x130 [ 81.899357][ T5033] report_bug+0x3bc/0x580 [ 81.903715][ T5033] handle_bug+0x3c/0x70 [ 81.907890][ T5033] exc_invalid_op+0x17/0x40 [ 81.912415][ T5033] asm_exc_invalid_op+0x1a/0x20 [ 81.917290][ T5033] RIP: 0010:call_netdevice_notifiers_info+0x107/0x130 [ 81.924081][ T5033] Code: f9 40 84 ed 75 8d e8 d8 68 5e f9 ba a1 07 00 00 48 c7 c6 e0 34 81 8b 48 c7 c7 20 35 81 8b c6 05 07 35 6e 06 01 e8 f9 2a 25 f9 <0f> 0b e9 62 ff ff ff 48 89 df e8 ea 75 b2 f9 e9 15 ff ff ff e8 e0 [ 81.943720][ T5033] RSP: 0018:ffffc900039df2b8 EFLAGS: 00010282 [ 81.949808][ T5033] RAX: 0000000000000000 RBX: ffffc900039df320 RCX: 0000000000000000 [ 81.957800][ T5033] RDX: ffff88802d421dc0 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 81.965788][ T5033] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 81.973779][ T5033] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 81.981875][ T5033] R13: ffff888078c30000 R14: ffff88807d45c0e8 R15: 0000000000000001 [ 81.989876][ T5033] ? __warn_printk+0x1a6/0x350 [ 81.994675][ T5033] ? call_netdevice_notifiers_info+0x107/0x130 [ 82.000878][ T5033] dev_set_mtu_ext+0x1e8/0x5d0 [ 82.005710][ T5033] ? dev_validate_mtu+0x180/0x180 [ 82.010776][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 82.016791][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 82.022903][ T5033] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 82.028838][ T5033] dev_set_mtu+0xb1/0x160 [ 82.033196][ T5033] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 82.038185][ T5033] ? batadv_max_header_len+0x9/0x10 [ 82.043497][ T5033] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 82.048983][ T5033] batadv_update_min_mtu+0x6e/0x90 [ 82.054140][ T5033] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 82.059715][ T5033] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 82.065944][ T5033] ? genl_start+0x650/0x650 [ 82.070521][ T5033] ? ns_capable+0xd5/0x110 [ 82.074985][ T5033] genl_rcv_msg+0x559/0x800 [ 82.079533][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 82.085901][ T5033] ? batadv_post_doit+0x470/0x470 [ 82.091002][ T5033] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 82.097022][ T5033] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 82.103220][ T5033] netlink_rcv_skb+0x16b/0x440 [ 82.108017][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 82.114382][ T5033] ? netlink_ack+0x1370/0x1370 [ 82.119194][ T5033] ? down_write+0x200/0x200 [ 82.123729][ T5033] ? netlink_deliver_tap+0x1b1/0xd00 [ 82.129051][ T5033] genl_rcv+0x28/0x40 [ 82.133062][ T5033] netlink_unicast+0x539/0x800 [ 82.137872][ T5033] ? netlink_attachskb+0x880/0x880 [ 82.143016][ T5033] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 82.148951][ T5033] ? __phys_addr_symbol+0x30/0x70 [ 82.154016][ T5033] ? __check_object_size+0x323/0x740 [ 82.159333][ T5033] netlink_sendmsg+0x93c/0xe30 [ 82.164135][ T5033] ? netlink_unicast+0x800/0x800 [ 82.169110][ T5033] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 82.174427][ T5033] ? netlink_unicast+0x800/0x800 [ 82.179401][ T5033] sock_sendmsg+0xd9/0x180 [ 82.183847][ T5033] ____sys_sendmsg+0x6ac/0x940 [ 82.188660][ T5033] ? copy_msghdr_from_user+0x10b/0x160 [ 82.194201][ T5033] ? kernel_sendmsg+0x50/0x50 [ 82.198939][ T5033] ___sys_sendmsg+0x135/0x1d0 [ 82.203666][ T5033] ? do_recvmmsg+0x740/0x740 [ 82.208334][ T5033] ? lock_sync+0x190/0x190 [ 82.212811][ T5033] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 82.218154][ T5033] ? __fget_light+0x1fc/0x260 [ 82.222880][ T5033] __sys_sendmsg+0x117/0x1e0 [ 82.227508][ T5033] ? __sys_sendmsg_sock+0x30/0x30 [ 82.232567][ T5033] ? ptrace_notify+0xf4/0x130 [ 82.237283][ T5033] ? lockdep_hardirqs_on+0x7d/0x100 [ 82.242520][ T5033] ? _raw_spin_unlock_irq+0x2e/0x50 [ 82.247759][ T5033] ? ptrace_notify+0xf4/0x130 [ 82.252471][ T5033] do_syscall_64+0x38/0xb0 [ 82.256918][ T5033] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 82.262844][ T5033] RIP: 0033:0x7ff089227659 [ 82.267281][ T5033] 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 [ 82.286908][ T5033] RSP: 002b:00007ffdbc91ce88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.295338][ T5033] RAX: ffffffffffffffda RBX: 00007ff089274390 RCX: 00007ff089227659 [ 82.303330][ T5033] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 82.311317][ T5033] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 82.319303][ T5033] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffdbc91ced0 [ 82.327402][ T5033] R13: 00007ffdbc91cea0 R14: 0000000000000001 R15: 00007ffdbc91ced0 [ 82.335410][ T5033] [ 82.338767][ T5033] Kernel Offset: disabled [ 82.343238][ T5033] Rebooting in 86400 seconds..