./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2404026011 <...> Warning: Permanently added '10.128.1.50' (ED25519) to the list of known hosts. execve("./syz-executor2404026011", ["./syz-executor2404026011"], 0x7fff357f9700 /* 10 vars */) = 0 brk(NULL) = 0x5555559da000 brk(0x5555559dad00) = 0x5555559dad00 arch_prctl(ARCH_SET_FS, 0x5555559da380) = 0 set_tid_address(0x5555559da650) = 5028 set_robust_list(0x5555559da660, 24) = 0 rseq(0x5555559daca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2404026011", 4096) = 28 getrandom("\x70\xbd\x01\x96\xfc\xb4\xf0\x84", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555559dad00 brk(0x5555559fbd00) = 0x5555559fbd00 brk(0x5555559fc000) = 0x5555559fc000 mprotect(0x7f27c4673000, 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 5029 attached , child_tidptr=0x5555559da650) = 5029 [pid 5029] set_robust_list(0x5555559da660, 24) = 0 [pid 5029] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5029] setsid() = 1 [pid 5029] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5029] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5029] unshare(CLONE_NEWNS) = 0 [pid 5029] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5029] unshare(CLONE_NEWIPC) = 0 [pid 5029] unshare(CLONE_NEWCGROUP) = 0 [pid 5029] unshare(CLONE_NEWUTS) = 0 [pid 5029] unshare(CLONE_SYSVSEM) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "16777216", 8) = 8 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "536870912", 9) = 9 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "8192", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024", 4) = 4 [pid 5029] close(3) = 0 [pid 5029] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5029] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5029] close(3) = 0 [pid 5029] getpid() = 1 [pid 5029] 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 [ 75.698935][ T5029] RSP: 0018:ffffc90003b7f2b8 EFLAGS: 00010282 [ 75.705111][ T5029] RAX: 0000000000000000 RBX: ffffc90003b7f320 RCX: 0000000000000000 [ 75.713125][ T5029] RDX: ffff888020400000 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 75.721182][ T5029] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 75.729265][ T5029] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 75.737346][ T5029] R13: ffff8880791a8000 R14: ffff88807e06c0e8 R15: 0000000000000001 [ 75.745413][ T5029] FS: 00005555559da380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 75.754459][ T5029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.761077][ T5029] CR2: 00000000200004c0 CR3: 000000007986a000 CR4: 00000000003506f0 [ 75.769242][ T5029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.777337][ T5029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.785402][ T5029] Call Trace: [ 75.788690][ T5029] [ 75.791629][ T5029] ? __warn+0xe6/0x380 [ 75.795841][ T5029] ? preempt_schedule_notrace+0x5f/0xe0 [ 75.801438][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 75.807680][ T5029] ? report_bug+0x3bc/0x580 [ 75.812222][ T5029] ? handle_bug+0x3c/0x70 [ 75.816660][ T5029] ? exc_invalid_op+0x17/0x40 [ 75.821375][ T5029] ? asm_exc_invalid_op+0x1a/0x20 [ 75.826479][ T5029] ? __warn_printk+0x1a6/0x350 [ 75.831284][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 75.837569][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 75.844043][ T5029] dev_set_mtu_ext+0x1e8/0x5d0 [ 75.848850][ T5029] ? dev_validate_mtu+0x180/0x180 [ 75.853989][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 75.860017][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 75.866090][ T5029] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.872031][ T5029] dev_set_mtu+0xb1/0x160 [ 75.876427][ T5029] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 75.881430][ T5029] ? batadv_max_header_len+0x9/0x10 [ 75.886678][ T5029] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 75.892165][ T5029] batadv_update_min_mtu+0x6e/0x90 [ 75.897332][ T5029] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 75.902916][ T5029] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 75.909148][ T5029] ? genl_start+0x650/0x650 [ 75.913765][ T5029] ? ns_capable+0xd5/0x110 [ 75.918229][ T5029] genl_rcv_msg+0x559/0x800 [ 75.922757][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 75.929274][ T5029] ? batadv_post_doit+0x470/0x470 [ 75.934386][ T5029] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 75.940294][ T5029] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 75.946514][ T5029] netlink_rcv_skb+0x16b/0x440 [ 75.951318][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 75.957734][ T5029] ? netlink_ack+0x1370/0x1370 [ 75.962569][ T5029] ? down_write+0x200/0x200 [ 75.967201][ T5029] ? netlink_deliver_tap+0x1b1/0xd00 [ 75.972546][ T5029] genl_rcv+0x28/0x40 [ 75.976605][ T5029] netlink_unicast+0x539/0x800 [ 75.981414][ T5029] ? netlink_attachskb+0x880/0x880 [ 75.986576][ T5029] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 75.992510][ T5029] ? __phys_addr_symbol+0x30/0x70 [ 75.997590][ T5029] ? __check_object_size+0x323/0x740 [ 76.002906][ T5029] netlink_sendmsg+0x93c/0xe30 [ 76.007887][ T5029] ? netlink_unicast+0x800/0x800 [ 76.012887][ T5029] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 76.018232][ T5029] ? netlink_unicast+0x800/0x800 [ 76.023270][ T5029] sock_sendmsg+0xd9/0x180 [ 76.027749][ T5029] ____sys_sendmsg+0x6ac/0x940 [ 76.032520][ T5029] ? copy_msghdr_from_user+0x10b/0x160 [ 76.038066][ T5029] ? kernel_sendmsg+0x50/0x50 [ 76.042795][ T5029] ___sys_sendmsg+0x135/0x1d0 [ 76.047543][ T5029] ? do_recvmmsg+0x740/0x740 [ 76.052186][ T5029] ? lock_sync+0x190/0x190 [ 76.056692][ T5029] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 76.061947][ T5029] ? __fget_light+0x1fc/0x260 [ 76.066743][ T5029] __sys_sendmsg+0x117/0x1e0 [ 76.071372][ T5029] ? __sys_sendmsg_sock+0x30/0x30 [ 76.076520][ T5029] ? ptrace_notify+0xf4/0x130 [ 76.081257][ T5029] ? lockdep_hardirqs_on+0x7d/0x100 [ 76.086677][ T5029] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.091939][ T5029] ? ptrace_notify+0xf4/0x130 [ 76.096731][ T5029] do_syscall_64+0x38/0xb0 [ 76.101200][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 76.107175][ T5029] RIP: 0033:0x7f27c45fb659 [ 76.111618][ T5029] 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 [ 76.131313][ T5029] RSP: 002b:00007ffc79e4a538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.139835][ T5029] RAX: ffffffffffffffda RBX: 00007f27c4648390 RCX: 00007f27c45fb659 [ 76.147899][ T5029] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 76.156020][ T5029] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 76.164176][ T5029] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffc79e4a580 [ 76.172183][ T5029] R13: 00007ffc79e4a550 R14: 0000000000000001 R15: 00007ffc79e4a580 [ 76.180266][ T5029] [ 76.183373][ T5029] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.190655][ T5029] CPU: 0 PID: 5029 Comm: syz-executor240 Not tainted 6.5.0-rc6-syzkaller-00136-g2572ce62415c #0 [ 76.201079][ T5029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 76.211171][ T5029] Call Trace: [ 76.214457][ T5029] [ 76.217393][ T5029] dump_stack_lvl+0xd9/0x1b0 [ 76.222013][ T5029] panic+0x6a4/0x750 [ 76.225924][ T5029] ? panic_smp_self_stop+0xa0/0xa0 [ 76.231050][ T5029] ? show_trace_log_lvl+0x29d/0x3c0 [ 76.236279][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 76.242445][ T5029] check_panic_on_warn+0xab/0xb0 [ 76.247413][ T5029] __warn+0xf2/0x380 [ 76.251344][ T5029] ? preempt_schedule_notrace+0x5f/0xe0 [ 76.256921][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 76.263107][ T5029] report_bug+0x3bc/0x580 [ 76.267467][ T5029] handle_bug+0x3c/0x70 [ 76.271646][ T5029] exc_invalid_op+0x17/0x40 [ 76.276177][ T5029] asm_exc_invalid_op+0x1a/0x20 [ 76.281052][ T5029] RIP: 0010:call_netdevice_notifiers_info+0x107/0x130 [ 76.287861][ T5029] 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 [ 76.307492][ T5029] RSP: 0018:ffffc90003b7f2b8 EFLAGS: 00010282 [ 76.313586][ T5029] RAX: 0000000000000000 RBX: ffffc90003b7f320 RCX: 0000000000000000 [ 76.321575][ T5029] RDX: ffff888020400000 RSI: ffffffff814ccc86 RDI: 0000000000000001 [ 76.329566][ T5029] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 76.337554][ T5029] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000018 [ 76.345549][ T5029] R13: ffff8880791a8000 R14: ffff88807e06c0e8 R15: 0000000000000001 [ 76.353553][ T5029] ? __warn_printk+0x1a6/0x350 [ 76.358355][ T5029] ? call_netdevice_notifiers_info+0x107/0x130 [ 76.364538][ T5029] dev_set_mtu_ext+0x1e8/0x5d0 [ 76.369345][ T5029] ? dev_validate_mtu+0x180/0x180 [ 76.374421][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 76.380453][ T5029] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 76.386474][ T5029] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 76.392407][ T5029] dev_set_mtu+0xb1/0x160 [ 76.396768][ T5029] ? dev_set_mtu_ext+0x5d0/0x5d0 [ 76.401752][ T5029] ? batadv_max_header_len+0x9/0x10 [ 76.406966][ T5029] ? batadv_hardif_min_mtu+0x26b/0x3f0 [ 76.412441][ T5029] batadv_update_min_mtu+0x6e/0x90 [ 76.417573][ T5029] batadv_netlink_set_mesh+0x7d8/0x14e0 [ 76.423146][ T5029] genl_family_rcv_msg_doit.isra.0+0x1ef/0x2d0 [ 76.429346][ T5029] ? genl_start+0x650/0x650 [ 76.433892][ T5029] ? ns_capable+0xd5/0x110 [ 76.438345][ T5029] genl_rcv_msg+0x559/0x800 [ 76.442880][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 76.449243][ T5029] ? batadv_post_doit+0x470/0x470 [ 76.454321][ T5029] ? batadv_netlink_notify_mesh+0x1c0/0x1c0 [ 76.460238][ T5029] ? batadv_netlink_tp_meter_start+0x4a0/0x4a0 [ 76.466428][ T5029] netlink_rcv_skb+0x16b/0x440 [ 76.471224][ T5029] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 76.477585][ T5029] ? netlink_ack+0x1370/0x1370 [ 76.482387][ T5029] ? down_write+0x200/0x200 [ 76.486924][ T5029] ? netlink_deliver_tap+0x1b1/0xd00 [ 76.492247][ T5029] genl_rcv+0x28/0x40 [ 76.496259][ T5029] netlink_unicast+0x539/0x800 [ 76.501060][ T5029] ? netlink_attachskb+0x880/0x880 [ 76.506201][ T5029] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 76.512215][ T5029] ? __phys_addr_symbol+0x30/0x70 [ 76.517273][ T5029] ? __check_object_size+0x323/0x740 [ 76.522593][ T5029] netlink_sendmsg+0x93c/0xe30 [ 76.527396][ T5029] ? netlink_unicast+0x800/0x800 [ 76.532369][ T5029] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 76.537682][ T5029] ? netlink_unicast+0x800/0x800 [ 76.542669][ T5029] sock_sendmsg+0xd9/0x180 [ 76.547120][ T5029] ____sys_sendmsg+0x6ac/0x940 [ 76.551914][ T5029] ? copy_msghdr_from_user+0x10b/0x160 [ 76.557403][ T5029] ? kernel_sendmsg+0x50/0x50 [ 76.562119][ T5029] ___sys_sendmsg+0x135/0x1d0 [ 76.566832][ T5029] ? do_recvmmsg+0x740/0x740 [ 76.571487][ T5029] ? lock_sync+0x190/0x190 [ 76.575933][ T5029] ? ptrace_stop.part.0+0x4b4/0x8f0 [ 76.581168][ T5029] ? __fget_light+0x1fc/0x260 [ 76.585883][ T5029] __sys_sendmsg+0x117/0x1e0 [ 76.590506][ T5029] ? __sys_sendmsg_sock+0x30/0x30 [ 76.595564][ T5029] ? ptrace_notify+0xf4/0x130 [ 76.600294][ T5029] ? lockdep_hardirqs_on+0x7d/0x100 [ 76.605521][ T5029] ? _raw_spin_unlock_irq+0x2e/0x50 [ 76.610757][ T5029] ? ptrace_notify+0xf4/0x130 [ 76.615462][ T5029] do_syscall_64+0x38/0xb0 [ 76.619903][ T5029] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 76.625816][ T5029] RIP: 0033:0x7f27c45fb659 [ 76.630246][ T5029] 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 [ 76.649882][ T5029] RSP: 002b:00007ffc79e4a538 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.658322][ T5029] RAX: ffffffffffffffda RBX: 00007f27c4648390 RCX: 00007f27c45fb659 [ 76.666309][ T5029] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000003 [ 76.674292][ T5029] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 76.682282][ T5029] R10: 0000555500000000 R11: 0000000000000246 R12: 00007ffc79e4a580 [ 76.690373][ T5029] R13: 00007ffc79e4a550 R14: 0000000000000001 R15: 00007ffc79e4a580 [ 76.698381][ T5029] [ 76.701750][ T5029] Kernel Offset: disabled [ 76.706196][ T5029] Rebooting in 86400 seconds..