./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3837761751 <...> Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts. execve("./syz-executor3837761751", ["./syz-executor3837761751"], 0x7ffc71629750 /* 10 vars */) = 0 brk(NULL) = 0x55555669b000 brk(0x55555669bd00) = 0x55555669bd00 arch_prctl(ARCH_SET_FS, 0x55555669b380) = 0 set_tid_address(0x55555669b650) = 5023 set_robust_list(0x55555669b660, 24) = 0 rseq(0x55555669bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3837761751", 4096) = 28 getrandom("\xc6\x1a\xb8\x73\x82\x90\x7b\x90", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555669bd00 brk(0x5555566bcd00) = 0x5555566bcd00 brk(0x5555566bd000) = 0x5555566bd000 mprotect(0x7f13b25e7000, 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 5024 attached , child_tidptr=0x55555669b650) = 5024 [pid 5024] set_robust_list(0x55555669b660, 24) = 0 [pid 5024] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setsid() = 1 [pid 5024] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5024] unshare(CLONE_NEWNS) = 0 [pid 5024] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5024] unshare(CLONE_NEWIPC) = 0 [pid 5024] unshare(CLONE_NEWCGROUP) = 0 [pid 5024] unshare(CLONE_NEWUTS) = 0 [pid 5024] unshare(CLONE_SYSVSEM) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "16777216", 8) = 8 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "536870912", 9) = 9 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "8192", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5024] close(3) = 0 [pid 5024] getpid() = 1 [pid 5024] 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 [ 62.410423][ T5024] RSP: 0018:ffffc90003a1f2b8 EFLAGS: 00010282 [ 62.416537][ T5024] RAX: 0000000000000000 RBX: ffffc90003a1f320 RCX: 0000000000000000 [ 62.424618][ T5024] RDX: ffff88802176d940 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 62.432603][ T5024] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 62.440659][ T5024] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 62.448681][ T5024] R13: ffff88807c488000 R14: ffff88802cfac0e8 R15: 0000000000000001 [ 62.456870][ T5024] FS: 000055555669b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 62.465890][ T5024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.472488][ T5024] CR2: 00000000200004c0 CR3: 0000000027f97000 CR4: 00000000003506f0 [ 62.480559][ T5024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.488618][ T5024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.496662][ T5024] Call Trace: [ 62.499947][ T5024] [ 62.502948][ T5024] ? __warn+0xe6/0x380 [ 62.507056][ T5024] ? preempt_schedule_notrace+0x5f/0xe0 [ 62.512625][ T5024] ? call_netdevice_notifiers_info+0x107/0x130 [ 62.518830][ T5024] ? report_bug+0x3bc/0x580 [ 62.523466][ T5024] ? handle_bug+0x3c/0x70 [ 62.527791][ T5024] ? exc_invalid_op+0x17/0x40 [ 62.532458][ T5024] ? asm_exc_invalid_op+0x1a/0x20 [ 62.538246][ T5024] ? __warn_printk+0x1a6/0x350 [ 62.543145][ T5024] ? call_netdevice_notifiers_info+0x107/0x130 [ 62.549328][ T5024] ? call_netdevice_notifiers_info+0x107/0x130 [ 62.555610][ T5024] dev_set_mtu_ext+0x1e8/0x5d0 [ 62.560412][ T5024] ? dev_validate_mtu+0x180/0x180 [ 62.565517][ T5024] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 62.571521][ T5024] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 62.577571][ T5024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 62.583547][ T5024] dev_set_mtu+0xb1/0x160 [ 62.587887][ T5024] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 62.592939][ T5024] ? batadv_max_header_len+0x9/0x10 [ 62.598161][ T5024] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 62.603722][ T5024] batadv_update_min_mtu+0x6e/0x90 [ 62.608853][ T5024] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 62.614512][ T5024] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 62.620707][ T5024] ? genl_start+0x650/0x650 [ 62.625335][ T5024] ? ns_capable+0xd5/0x110 [ 62.629778][ T5024] genl_rcv_msg+0x559/0x800 [ 62.634373][ T5024] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 62.640742][ T5024] ? batadv_post_doit+0x470/0x470 [ 62.645883][ T5024] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 62.651895][ T5024] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 62.658148][ T5024] netlink_rcv_skb+0x16b/0x440 [ 62.663001][ T5024] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 62.669355][ T5024] ? netlink_ack+0x1370/0x1370 [ 62.674216][ T5024] ? down_write+0x200/0x200 [ 62.678743][ T5024] ? netlink_deliver_tap+0x1b1/0xd00 [ 62.684102][ T5024] genl_rcv+0x28/0x40 [ 62.688109][ T5024] netlink_unicast+0x539/0x800 [ 62.693057][ T5024] ? netlink_attachskb+0x880/0x880 [ 62.698281][ T5024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 62.704281][ T5024] ? __phys_addr_symbol+0x30/0x70 [ 62.709333][ T5024] ? __check_object_size+0x323/0x740 [ 62.714680][ T5024] netlink_sendmsg+0x93c/0xe30 [ 62.719507][ T5024] ? netlink_unicast+0x800/0x800 [ 62.724526][ T5024] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 62.729837][ T5024] ? netlink_unicast+0x800/0x800 [ 62.734868][ T5024] sock_sendmsg+0xd9/0x180 [ 62.739311][ T5024] ____sys_sendmsg+0x6ac/0x940 [ 62.744160][ T5024] ? copy_msghdr_from_user+0x10b/0x160 [ 62.749648][ T5024] ? kernel_sendmsg+0x50/0x50 [ 62.754393][ T5024] ___sys_sendmsg+0x135/0x1d0 [ 62.759105][ T5024] ? do_recvmmsg+0x740/0x740 [ 62.763812][ T5024] ? lock_sync+0x190/0x190 [ 62.768257][ T5024] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 62.773637][ T5024] ? __fget_light+0x1fc/0x260 [ 62.778349][ T5024] __sys_sendmsg+0x117/0x1e0 [ 62.783039][ T5024] ? __sys_sendmsg_sock+0x30/0x30 [ 62.788112][ T5024] ? ptrace_notify+0xf4/0x130 [ 62.792814][ T5024] ? lockdep_hardirqs_on+0x7d/0x100 [ 62.798162][ T5024] ? _raw_spin_unlock_irq+0x2e/0x50 [ 62.803462][ T5024] ? ptrace_notify+0xf4/0x130 [ 62.808159][ T5024] do_syscall_64+0x38/0xb0 [ 62.812573][ T5024] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.818513][ T5024] RIP: 0033:0x7f13b256f659 [ 62.823014][ T5024] 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 [ 62.842701][ T5024] RSP: 002b:00007ffc14b77a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.851197][ T5024] RAX: ffffffffffffffda RBX: 00007f13b25bc390 RCX: 00007f13b256f659 [ 62.859401][ T5024] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 62.867473][ T5024] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 62.875491][ T5024] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffc14b77ad0 [ 62.883527][ T5024] R13: 00007ffc14b77aa0 R14: 0000000000000001 R15: 00007ffc14b77ad0 [ 62.891696][ T5024] [ 62.894786][ T5024] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.902067][ T5024] CPU: 0 PID: 5024 Comm: syz-executor383 Not tainted 6.5.0-rc6-syzkaller-00138-ga0e026e7b37e #0 [ 62.912467][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 62.922514][ T5024] Call Trace: [ 62.925781][ T5024] [ 62.928700][ T5024] dump_stack_lvl+0xd9/0x1b0 [ 62.933305][ T5024] panic+0x6a4/0x750 [ 62.937193][ T5024] ? panic_smp_self_stop+0xa0/0xa0 [ 62.942313][ T5024] ? show_trace_log_lvl+0x29d/0x3c0 [ 62.947512][ T5024] ? call_netdevice_notifiers_info+0x107/0x130 [ 62.953673][ T5024] check_panic_on_warn+0xab/0xb0 [ 62.958644][ T5024] __warn+0xf2/0x380 [ 62.962549][ T5024] ? preempt_schedule_notrace+0x5f/0xe0 [ 62.968118][ T5024] ? call_netdevice_notifiers_info+0x107/0x130 [ 62.974371][ T5024] report_bug+0x3bc/0x580 [ 62.978716][ T5024] handle_bug+0x3c/0x70 [ 62.982880][ T5024] exc_invalid_op+0x17/0x40 [ 62.987404][ T5024] asm_exc_invalid_op+0x1a/0x20 [ 62.992261][ T5024] RIP: 0010:call_netdevice_notifiers_info+0x107/0x130 [ 62.999034][ T5024] 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 [ 63.018656][ T5024] RSP: 0018:ffffc90003a1f2b8 EFLAGS: 00010282 [ 63.024745][ T5024] RAX: 0000000000000000 RBX: ffffc90003a1f320 RCX: 0000000000000000 [ 63.032720][ T5024] RDX: ffff88802176d940 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 63.040699][ T5024] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 63.048673][ T5024] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 63.056647][ T5024] R13: ffff88807c488000 R14: ffff88802cfac0e8 R15: 0000000000000001 [ 63.064643][ T5024] ? __warn_printk+0x1a6/0x350 [ 63.069426][ T5024] ? call_netdevice_notifiers_info+0x107/0x130 [ 63.075592][ T5024] dev_set_mtu_ext+0x1e8/0x5d0 [ 63.080377][ T5024] ? dev_validate_mtu+0x180/0x180 [ 63.085414][ T5024] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 63.091416][ T5024] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 63.097418][ T5024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 63.103338][ T5024] dev_set_mtu+0xb1/0x160 [ 63.107679][ T5024] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 63.112648][ T5024] ? batadv_max_header_len+0x9/0x10 [ 63.117861][ T5024] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 63.123335][ T5024] batadv_update_min_mtu+0x6e/0x90 [ 63.128455][ T5024] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 63.134015][ T5024] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 63.140193][ T5024] ? genl_start+0x650/0x650 [ 63.144729][ T5024] ? ns_capable+0xd5/0x110 [ 63.149171][ T5024] genl_rcv_msg+0x559/0x800 [ 63.153703][ T5024] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 63.160053][ T5024] ? batadv_post_doit+0x470/0x470 [ 63.165087][ T5024] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 63.170991][ T5024] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 63.177166][ T5024] netlink_rcv_skb+0x16b/0x440 [ 63.181966][ T5024] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 63.188316][ T5024] ? netlink_ack+0x1370/0x1370 [ 63.193114][ T5024] ? down_write+0x200/0x200 [ 63.197646][ T5024] ? netlink_deliver_tap+0x1b1/0xd00 [ 63.202953][ T5024] genl_rcv+0x28/0x40 [ 63.206956][ T5024] netlink_unicast+0x539/0x800 [ 63.211741][ T5024] ? netlink_attachskb+0x880/0x880 [ 63.216867][ T5024] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 63.222789][ T5024] ? __phys_addr_symbol+0x30/0x70 [ 63.227828][ T5024] ? __check_object_size+0x323/0x740 [ 63.233126][ T5024] netlink_sendmsg+0x93c/0xe30 [ 63.237910][ T5024] ? netlink_unicast+0x800/0x800 [ 63.242885][ T5024] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 63.248199][ T5024] ? netlink_unicast+0x800/0x800 [ 63.253176][ T5024] sock_sendmsg+0xd9/0x180 [ 63.257623][ T5024] ____sys_sendmsg+0x6ac/0x940 [ 63.262407][ T5024] ? copy_msghdr_from_user+0x10b/0x160 [ 63.267888][ T5024] ? kernel_sendmsg+0x50/0x50 [ 63.272593][ T5024] ___sys_sendmsg+0x135/0x1d0 [ 63.277287][ T5024] ? do_recvmmsg+0x740/0x740 [ 63.281904][ T5024] ? lock_sync+0x190/0x190 [ 63.286336][ T5024] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 63.291555][ T5024] ? __fget_light+0x1fc/0x260 [ 63.296257][ T5024] __sys_sendmsg+0x117/0x1e0 [ 63.300867][ T5024] ? __sys_sendmsg_sock+0x30/0x30 [ 63.305911][ T5024] ? ptrace_notify+0xf4/0x130 [ 63.310610][ T5024] ? lockdep_hardirqs_on+0x7d/0x100 [ 63.315822][ T5024] ? _raw_spin_unlock_irq+0x2e/0x50 [ 63.321038][ T5024] ? ptrace_notify+0xf4/0x130 [ 63.325727][ T5024] do_syscall_64+0x38/0xb0 [ 63.330160][ T5024] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.336063][ T5024] RIP: 0033:0x7f13b256f659 [ 63.340482][ T5024] 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 [ 63.360106][ T5024] RSP: 002b:00007ffc14b77a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 63.368534][ T5024] RAX: ffffffffffffffda RBX: 00007f13b25bc390 RCX: 00007f13b256f659 [ 63.376512][ T5024] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 63.384487][ T5024] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 63.392472][ T5024] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffc14b77ad0 [ 63.400449][ T5024] R13: 00007ffc14b77aa0 R14: 0000000000000001 R15: 00007ffc14b77ad0 [ 63.408445][ T5024] [ 63.411683][ T5024] Kernel Offset: disabled [ 63.416090][ T5024] Rebooting in 86400 seconds..