./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3205257211 <...> Warning: Permanently added '10.128.1.56' (ED25519) to the list of known hosts. execve("./syz-executor3205257211", ["./syz-executor3205257211"], 0x7ffe47c33c10 /* 10 vars */) = 0 brk(NULL) = 0x5555569e2000 brk(0x5555569e2d00) = 0x5555569e2d00 arch_prctl(ARCH_SET_FS, 0x5555569e2380) = 0 set_tid_address(0x5555569e2650) = 5047 set_robust_list(0x5555569e2660, 24) = 0 rseq(0x5555569e2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3205257211", 4096) = 28 getrandom("\xd8\x32\xfd\x7d\xfd\x7f\xf1\xf8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555569e2d00 brk(0x555556a03d00) = 0x555556a03d00 brk(0x555556a04000) = 0x555556a04000 mprotect(0x7f5cfaeb2000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5048 attached , child_tidptr=0x5555569e2650) = 5048 [pid 5048] set_robust_list(0x5555569e2660, 24) = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5048] setpgid(0, 0) = 0 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1000", 4) = 4 [pid 5048] close(3) = 0 [pid 5048] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5048] write(3, "#! ./file0\n", 11) = 11 [pid 5048] openat(AT_FDCWD, "/dev/net/tun", O_RDONLY) = 4 [pid 5048] socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5 [pid 5048] sendmsg(5, {msg_name=NULL, msg_namelen=919, msg_iov=[{iov_base=NULL, iov_len=65424}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = -1 EFAULT (Bad address) [pid 5048] getsockname(5, {sa_family=AF_NETLINK, sa_data="\x00\x00\x4e\x20\x31\xbe\x00\x00"}, [10 => 12]) = 0 [pid 5048] ioctl(4, TUNSETIFINDEX, 0x20000040) = 0 [ 102.162640][ T5048] ------------[ cut here ]------------ [ 102.168224][ T5048] WARNING: CPU: 1 PID: 5048 at net/core/dev.c:9622 dev_index_reserve+0x1a2/0x1c0 [ 102.177946][ T5048] Modules linked in: [ 102.181907][ T5048] CPU: 1 PID: 5048 Comm: syz-executor320 Not tainted 6.6.0-rc5-syzkaller-01211-gcf8b49fbd041 #0 [ 102.192418][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 102.202624][ T5048] RIP: 0010:dev_index_reserve+0x1a2/0x1c0 [ 102.208479][ T5048] Code: 00 31 d2 4d 8d 45 50 b9 ff ff ff 7f 48 8d 74 24 20 e8 c2 5e 04 02 4c 89 e7 89 c3 e8 18 62 13 02 e9 48 ff ff ff e8 8e 05 56 f9 <0f> 0b bb ea ff ff ff e9 52 ff ff ff e8 0d aa 0f 02 66 66 2e 0f 1f [ 102.228212][ T5048] RSP: 0018:ffffc90003a5fc30 EFLAGS: 00010293 [ 102.234342][ T5048] RAX: 0000000000000000 RBX: 00000000be31204e RCX: 0000000000000000 [ 102.242496][ T5048] RDX: ffff888026209dc0 RSI: ffffffff8831cb02 RDI: 0000000000000005 [ 102.250581][ T5048] RBP: 1ffff9200074bf86 R08: 0000000000000005 R09: 0000000000000000 [ 102.258697][ T5048] R10: 00000000be31204e R11: ffffffff910bc8f0 R12: ffff88807295c010 [ 102.266766][ T5048] R13: ffffffff926122c0 R14: ffff88807295c000 R15: ffff88807295c0f8 [ 102.274808][ T5048] FS: 00005555569e2380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 102.283818][ T5048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.290541][ T5048] CR2: 0000000000000000 CR3: 0000000073bf5000 CR4: 00000000003506e0 [ 102.298608][ T5048] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 102.306662][ T5048] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 102.314760][ T5048] Call Trace: [ 102.318121][ T5048] [ 102.321090][ T5048] ? show_regs+0x8f/0xa0 [ 102.325451][ T5048] ? __warn+0xe6/0x380 [ 102.329576][ T5048] ? dev_index_reserve+0x1a2/0x1c0 [ 102.334733][ T5048] ? report_bug+0x3bc/0x580 [ 102.339420][ T5048] ? handle_bug+0x3c/0x70 [ 102.343839][ T5048] ? exc_invalid_op+0x17/0x40 [ 102.348670][ T5048] ? asm_exc_invalid_op+0x1a/0x20 [ 102.352030][ T1137] cfg80211: failed to load regulatory.db [ 102.353754][ T5048] ? dev_index_reserve+0x1a2/0x1c0 [ 102.364643][ T5048] ? dev_index_reserve+0x1a2/0x1c0 [ 102.370054][ T5048] ? tc_run+0x530/0x530 [ 102.374462][ T5048] ? tun_net_init+0x4f2/0x6d0 [ 102.379232][ T5048] ? tun_attach.isra.0+0x1790/0x1790 [ 102.384813][ T5048] register_netdevice+0x69a/0x1490 [ 102.390073][ T5048] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 102.396165][ T5048] ? alloc_netdev_mqs+0xee6/0x1290 [ 102.401361][ T5048] __tun_chr_ioctl+0x3091/0x4700 [ 102.406468][ T5048] ? tun_chr_read_iter+0x290/0x290 [ 102.411673][ T5048] ? bpf_lsm_file_ioctl+0x9/0x10 [ 102.416726][ T5048] ? tun_chr_compat_ioctl+0x30/0x30 [ 102.421986][ T5048] __x64_sys_ioctl+0x18f/0x210 [ 102.426870][ T5048] do_syscall_64+0x38/0xb0 [ 102.431371][ T5048] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 102.437358][ T5048] RIP: 0033:0x7f5cfae3fb79 [ 102.441830][ T5048] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 102.461588][ T5048] RSP: 002b:00007ffc71031768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 102.470112][ T5048] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5cfae3fb79 [ 102.478195][ T5048] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000004 [ 102.486260][ T5048] RBP: 00007f5cfaeb25f0 R08: 0000000000000006 R09: 0000000000000006 [ 102.494285][ T5048] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 [ 102.502382][ T5048] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 102.510464][ T5048] [ 102.513536][ T5048] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 102.520857][ T5048] CPU: 1 PID: 5048 Comm: syz-executor320 Not tainted 6.6.0-rc5-syzkaller-01211-gcf8b49fbd041 #0 [ 102.531380][ T5048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 102.541466][ T5048] Call Trace: [ 102.544767][ T5048] [ 102.547721][ T5048] dump_stack_lvl+0xd9/0x1b0 [ 102.552348][ T5048] panic+0x6a6/0x750 [ 102.556275][ T5048] ? panic_smp_self_stop+0xa0/0xa0 [ 102.561461][ T5048] ? dev_index_reserve+0x1a2/0x1c0 [ 102.566605][ T5048] check_panic_on_warn+0xab/0xb0 [ 102.571602][ T5048] __warn+0xf2/0x380 [ 102.575528][ T5048] ? dev_index_reserve+0x1a2/0x1c0 [ 102.580668][ T5048] report_bug+0x3bc/0x580 [ 102.585031][ T5048] handle_bug+0x3c/0x70 [ 102.589221][ T5048] exc_invalid_op+0x17/0x40 [ 102.593761][ T5048] asm_exc_invalid_op+0x1a/0x20 [ 102.598651][ T5048] RIP: 0010:dev_index_reserve+0x1a2/0x1c0 [ 102.604406][ T5048] Code: 00 31 d2 4d 8d 45 50 b9 ff ff ff 7f 48 8d 74 24 20 e8 c2 5e 04 02 4c 89 e7 89 c3 e8 18 62 13 02 e9 48 ff ff ff e8 8e 05 56 f9 <0f> 0b bb ea ff ff ff e9 52 ff ff ff e8 0d aa 0f 02 66 66 2e 0f 1f [ 102.624051][ T5048] RSP: 0018:ffffc90003a5fc30 EFLAGS: 00010293 [ 102.630145][ T5048] RAX: 0000000000000000 RBX: 00000000be31204e RCX: 0000000000000000 [ 102.638237][ T5048] RDX: ffff888026209dc0 RSI: ffffffff8831cb02 RDI: 0000000000000005 [ 102.646243][ T5048] RBP: 1ffff9200074bf86 R08: 0000000000000005 R09: 0000000000000000 [ 102.654326][ T5048] R10: 00000000be31204e R11: ffffffff910bc8f0 R12: ffff88807295c010 [ 102.662324][ T5048] R13: ffffffff926122c0 R14: ffff88807295c000 R15: ffff88807295c0f8 [ 102.670342][ T5048] ? dev_index_reserve+0x1a2/0x1c0 [ 102.675667][ T5048] ? tc_run+0x530/0x530 [ 102.679853][ T5048] ? tun_net_init+0x4f2/0x6d0 [ 102.684562][ T5048] ? tun_attach.isra.0+0x1790/0x1790 [ 102.689885][ T5048] register_netdevice+0x69a/0x1490 [ 102.695115][ T5048] ? unregister_netdevice_queue+0x3c0/0x3c0 [ 102.701052][ T5048] ? alloc_netdev_mqs+0xee6/0x1290 [ 102.706204][ T5048] __tun_chr_ioctl+0x3091/0x4700 [ 102.711184][ T5048] ? tun_chr_read_iter+0x290/0x290 [ 102.716346][ T5048] ? bpf_lsm_file_ioctl+0x9/0x10 [ 102.721321][ T5048] ? tun_chr_compat_ioctl+0x30/0x30 [ 102.726554][ T5048] __x64_sys_ioctl+0x18f/0x210 [ 102.731349][ T5048] do_syscall_64+0x38/0xb0 [ 102.735892][ T5048] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 102.741911][ T5048] RIP: 0033:0x7f5cfae3fb79 [ 102.746346][ T5048] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 102.765977][ T5048] RSP: 002b:00007ffc71031768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 102.774416][ T5048] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5cfae3fb79 [ 102.782410][ T5048] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000004 [ 102.790402][ T5048] RBP: 00007f5cfaeb25f0 R08: 0000000000000006 R09: 0000000000000006 [ 102.798402][ T5048] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 [ 102.806419][ T5048] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 102.814429][ T5048] [ 102.817758][ T5048] Kernel Offset: disabled [ 102.822210][ T5048] Rebooting in 86400 seconds..