./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor515241389 <...> Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts. execve("./syz-executor515241389", ["./syz-executor515241389"], 0x7ffe34105db0 /* 10 vars */) = 0 brk(NULL) = 0x555555c20000 brk(0x555555c20d00) = 0x555555c20d00 arch_prctl(ARCH_SET_FS, 0x555555c20380) = 0 set_tid_address(0x555555c20650) = 5024 set_robust_list(0x555555c20660, 24) = 0 rseq(0x555555c20ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor515241389", 4096) = 27 getrandom("\x49\xd7\xc7\x9e\x4e\x6d\x7a\x67", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555c20d00 brk(0x555555c41d00) = 0x555555c41d00 brk(0x555555c42000) = 0x555555c42000 mprotect(0x7ff77deed000, 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 5025 attached , child_tidptr=0x555555c20650) = 5025 [pid 5025] set_robust_list(0x555555c20660, 24) = 0 [pid 5025] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5025] setsid() = 1 [pid 5025] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5025] unshare(CLONE_NEWNS) = 0 [pid 5025] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5025] unshare(CLONE_NEWIPC) = 0 [pid 5025] unshare(CLONE_NEWCGROUP) = 0 [pid 5025] unshare(CLONE_NEWUTS) = 0 [pid 5025] unshare(CLONE_SYSVSEM) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "16777216", 8) = 8 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "536870912", 9) = 9 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "8192", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5025] close(3) = 0 [pid 5025] getpid() = 1 [pid 5025] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 62 ff ff ff 48 89 df e8 2a 75 b2 f9 e9 15 ff ff ff e8 20 [ 60.678184][ T5025] RSP: 0018:ffffc90003a7f2b8 EFLAGS: 00010282 [ 60.684289][ T5025] RAX: 0000000000000000 RBX: ffffc90003a7f320 RCX: 0000000000000000 [ 60.692561][ T5025] RDX: ffff888021958000 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 60.700597][ T5025] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 60.709192][ T5025] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 60.717232][ T5025] R13: ffff88807c9a0000 R14: ffff88807aebc0e8 R15: 0000000000000001 [ 60.725292][ T5025] FS: 0000555555c20380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 60.734281][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.740970][ T5025] CR2: 0000000000668310 CR3: 0000000079a51000 CR4: 00000000003506f0 [ 60.749032][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.757427][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.765582][ T5025] Call Trace: [ 60.769062][ T5025] [ 60.772103][ T5025] ? __warn+0xe6/0x380 [ 60.776966][ T5025] ? preempt_schedule_notrace+0x5f/0xe0 [ 60.782543][ T5025] ? call_netdevice_notifiers_info+0x107/0x130 [ 60.788756][ T5025] ? report_bug+0x3bc/0x580 [ 60.793368][ T5025] ? handle_bug+0x3c/0x70 [ 60.797788][ T5025] ? exc_invalid_op+0x17/0x40 [ 60.802494][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 60.807622][ T5025] ? __warn_printk+0x1a6/0x350 [ 60.812428][ T5025] ? call_netdevice_notifiers_info+0x107/0x130 [ 60.818723][ T5025] ? call_netdevice_notifiers_info+0x107/0x130 [ 60.824911][ T5025] dev_set_mtu_ext+0x1e8/0x5d0 [ 60.829731][ T5025] ? dev_validate_mtu+0x180/0x180 [ 60.834780][ T5025] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.840886][ T5025] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.847014][ T5025] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 60.852918][ T5025] dev_set_mtu+0xb1/0x160 [ 60.857329][ T5025] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 60.862339][ T5025] ? batadv_max_header_len+0x9/0x10 [ 60.867903][ T5025] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 60.873399][ T5025] batadv_update_min_mtu+0x6e/0x90 [ 60.878595][ T5025] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 60.884258][ T5025] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 60.890520][ T5025] ? genl_start+0x650/0x650 [ 60.895062][ T5025] ? ns_capable+0xd5/0x110 [ 60.899586][ T5025] genl_rcv_msg+0x559/0x800 [ 60.904158][ T5025] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 60.910914][ T5025] ? batadv_post_doit+0x470/0x470 [ 60.915972][ T5025] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 60.922490][ T5025] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 60.929082][ T5025] netlink_rcv_skb+0x16b/0x440 [ 60.933886][ T5025] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 60.940300][ T5025] ? netlink_ack+0x1370/0x1370 [ 60.945183][ T5025] ? down_write+0x200/0x200 [ 60.949737][ T5025] ? netlink_deliver_tap+0x1b1/0xd00 [ 60.955138][ T5025] genl_rcv+0x28/0x40 [ 60.959712][ T5025] netlink_unicast+0x539/0x800 [ 60.964503][ T5025] ? netlink_attachskb+0x880/0x880 [ 60.969754][ T5025] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 60.975682][ T5025] ? __phys_addr_symbol+0x30/0x70 [ 60.980806][ T5025] ? __check_object_size+0x323/0x740 [ 60.986114][ T5025] netlink_sendmsg+0x93c/0xe30 [ 60.991021][ T5025] ? netlink_unicast+0x800/0x800 [ 60.996009][ T5025] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 61.001383][ T5025] ? netlink_unicast+0x800/0x800 [ 61.006612][ T5025] sock_sendmsg+0xd9/0x180 [ 61.011027][ T5025] ____sys_sendmsg+0x6ac/0x940 [ 61.015792][ T5025] ? copy_msghdr_from_user+0x10b/0x160 [ 61.021390][ T5025] ? kernel_sendmsg+0x50/0x50 [ 61.026109][ T5025] ___sys_sendmsg+0x135/0x1d0 [ 61.030884][ T5025] ? do_recvmmsg+0x740/0x740 [ 61.035527][ T5025] ? lock_sync+0x190/0x190 [ 61.040036][ T5025] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 61.045268][ T5025] ? __fget_light+0x1fc/0x260 [ 61.050053][ T5025] __sys_sendmsg+0x117/0x1e0 [ 61.054770][ T5025] ? __sys_sendmsg_sock+0x30/0x30 [ 61.059900][ T5025] ? ptrace_notify+0xf4/0x130 [ 61.064633][ T5025] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.070035][ T5025] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.075269][ T5025] ? ptrace_notify+0xf4/0x130 [ 61.080030][ T5025] do_syscall_64+0x38/0xb0 [ 61.084643][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.090687][ T5025] RIP: 0033:0x7ff77de75659 [ 61.095122][ T5025] 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 [ 61.114997][ T5025] RSP: 002b:00007ffc5dbb6978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.123651][ T5025] RAX: ffffffffffffffda RBX: 00007ff77dec2390 RCX: 00007ff77de75659 [ 61.131691][ T5025] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 61.139749][ T5025] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 61.147807][ T5025] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffc5dbb69c0 [ 61.155794][ T5025] R13: 00007ffc5dbb6990 R14: 0000000000000001 R15: 00007ffc5dbb69c0 [ 61.164043][ T5025] [ 61.167372][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.174653][ T5025] CPU: 0 PID: 5025 Comm: syz-executor515 Not tainted 6.5.0-rc6-syzkaller-00144-g144e22e7569a #0 [ 61.185616][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 61.195777][ T5025] Call Trace: [ 61.199149][ T5025] [ 61.202088][ T5025] dump_stack_lvl+0xd9/0x1b0 [ 61.207057][ T5025] panic+0x6a4/0x750 [ 61.210995][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 61.217114][ T5025] ? show_trace_log_lvl+0x29d/0x3c0 [ 61.224066][ T5025] ? call_netdevice_notifiers_info+0x107/0x130 [ 61.230853][ T5025] check_panic_on_warn+0xab/0xb0 [ 61.235819][ T5025] __warn+0xf2/0x380 [ 61.239738][ T5025] ? preempt_schedule_notrace+0x5f/0xe0 [ 61.245304][ T5025] ? call_netdevice_notifiers_info+0x107/0x130 [ 61.251476][ T5025] report_bug+0x3bc/0x580 [ 61.255824][ T5025] handle_bug+0x3c/0x70 [ 61.259992][ T5025] exc_invalid_op+0x17/0x40 [ 61.264510][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 61.269373][ T5025] RIP: 0010:call_netdevice_notifiers_info+0x107/0x130 [ 61.276149][ T5025] Code: f9 40 84 ed 75 8d e8 18 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 39 2a 25 f9 <0f> 0b e9 62 ff ff ff 48 89 df e8 2a 75 b2 f9 e9 15 ff ff ff e8 20 [ 61.295774][ T5025] RSP: 0018:ffffc90003a7f2b8 EFLAGS: 00010282 [ 61.301860][ T5025] RAX: 0000000000000000 RBX: ffffc90003a7f320 RCX: 0000000000000000 [ 61.309848][ T5025] RDX: ffff888021958000 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 61.317843][ T5025] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 61.325830][ T5025] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 61.333825][ T5025] R13: ffff88807c9a0000 R14: ffff88807aebc0e8 R15: 0000000000000001 [ 61.341909][ T5025] ? __warn_printk+0x1a6/0x350 [ 61.346787][ T5025] ? call_netdevice_notifiers_info+0x107/0x130 [ 61.352968][ T5025] dev_set_mtu_ext+0x1e8/0x5d0 [ 61.357845][ T5025] ? dev_validate_mtu+0x180/0x180 [ 61.362893][ T5025] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.369018][ T5025] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 61.375043][ T5025] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 61.380967][ T5025] dev_set_mtu+0xb1/0x160 [ 61.385330][ T5025] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 61.390322][ T5025] ? batadv_max_header_len+0x9/0x10 [ 61.395537][ T5025] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 61.401023][ T5025] batadv_update_min_mtu+0x6e/0x90 [ 61.406161][ T5025] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 61.411727][ T5025] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 61.417914][ T5025] ? genl_start+0x650/0x650 [ 61.422564][ T5025] ? ns_capable+0xd5/0x110 [ 61.427024][ T5025] genl_rcv_msg+0x559/0x800 [ 61.431572][ T5025] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 61.438278][ T5025] ? batadv_post_doit+0x470/0x470 [ 61.443431][ T5025] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 61.449395][ T5025] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 61.455677][ T5025] netlink_rcv_skb+0x16b/0x440 [ 61.460474][ T5025] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 61.466925][ T5025] ? netlink_ack+0x1370/0x1370 [ 61.471808][ T5025] ? down_write+0x200/0x200 [ 61.476336][ T5025] ? netlink_deliver_tap+0x1b1/0xd00 [ 61.481670][ T5025] genl_rcv+0x28/0x40 [ 61.485680][ T5025] netlink_unicast+0x539/0x800 [ 61.490480][ T5025] ? netlink_attachskb+0x880/0x880 [ 61.495609][ T5025] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 61.501529][ T5025] ? __phys_addr_symbol+0x30/0x70 [ 61.506575][ T5025] ? __check_object_size+0x323/0x740 [ 61.511877][ T5025] netlink_sendmsg+0x93c/0xe30 [ 61.516668][ T5025] ? netlink_unicast+0x800/0x800 [ 61.521977][ T5025] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 61.527281][ T5025] ? netlink_unicast+0x800/0x800 [ 61.532239][ T5025] sock_sendmsg+0xd9/0x180 [ 61.536693][ T5025] ____sys_sendmsg+0x6ac/0x940 [ 61.541478][ T5025] ? copy_msghdr_from_user+0x10b/0x160 [ 61.546956][ T5025] ? kernel_sendmsg+0x50/0x50 [ 61.554704][ T5025] ___sys_sendmsg+0x135/0x1d0 [ 61.559424][ T5025] ? do_recvmmsg+0x740/0x740 [ 61.564076][ T5025] ? lock_sync+0x190/0x190 [ 61.568538][ T5025] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 61.573828][ T5025] ? __fget_light+0x1fc/0x260 [ 61.578711][ T5025] __sys_sendmsg+0x117/0x1e0 [ 61.583326][ T5025] ? __sys_sendmsg_sock+0x30/0x30 [ 61.588372][ T5025] ? ptrace_notify+0xf4/0x130 [ 61.593083][ T5025] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.598306][ T5025] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.603529][ T5025] ? ptrace_notify+0xf4/0x130 [ 61.608222][ T5025] do_syscall_64+0x38/0xb0 [ 61.612836][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.618922][ T5025] RIP: 0033:0x7ff77de75659 [ 61.623518][ T5025] 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 [ 61.644009][ T5025] RSP: 002b:00007ffc5dbb6978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.652436][ T5025] RAX: ffffffffffffffda RBX: 00007ff77dec2390 RCX: 00007ff77de75659 [ 61.660430][ T5025] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 61.668415][ T5025] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 61.677537][ T5025] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffc5dbb69c0 [ 61.685523][ T5025] R13: 00007ffc5dbb6990 R14: 0000000000000001 R15: 00007ffc5dbb69c0 [ 61.693524][ T5025] [ 61.696769][ T5025] Kernel Offset: disabled [ 61.701190][ T5025] Rebooting in 86400 seconds..