./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4112749118
<...>
[ 102.505575][ T923] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts.
execve("./syz-executor4112749118", ["./syz-executor4112749118"], 0x7fffdac1e070 /* 10 vars */) = 0
brk(NULL) = 0x555556159000
brk(0x555556159d00) = 0x555556159d00
arch_prctl(ARCH_SET_FS, 0x555556159380) = 0
set_tid_address(0x555556159650) = 5047
set_robust_list(0x555556159660, 24) = 0
rseq(0x555556159ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4112749118", 4096) = 28
getrandom("\xaf\xf2\x24\x11\xd3\x29\x94\xaf", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556159d00
brk(0x55555617ad00) = 0x55555617ad00
brk(0x55555617b000) = 0x55555617b000
mprotect(0x7f558f8fb000, 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
socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
write(3, "#! ./file0\n", 11) = 11
openat(AT_FDCWD, "/dev/net/tun", O_RDONLY) = 4
socket(AF_NETLINK, SOCK_RAW|SOCK_NONBLOCK, NETLINK_ROUTE) = 5
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)
getsockname(5, {sa_family=AF_NETLINK, sa_data="\x00\x00\x14\x34\x61\xf2\x00\x00"}, [10 => 12]) = 0
ioctl(4, TUNSETIFINDEX, 0x20000040) = 0
[ 107.030667][ T5047] ------------[ cut here ]------------
[ 107.036234][ T5047] WARNING: CPU: 1 PID: 5047 at net/core/dev.c:9600 dev_index_reserve+0x1a2/0x1c0
[ 107.045579][ T5047] Modules linked in:
[ 107.049625][ T5047] CPU: 1 PID: 5047 Comm: syz-executor411 Not tainted 6.6.0-rc5-syzkaller-00157-ge8c127b05766 #0
[ 107.060377][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[ 107.070553][ T5047] RIP: 0010:dev_index_reserve+0x1a2/0x1c0
[ 107.076354][ T5047] Code: 00 31 d2 4d 8d 45 50 b9 ff ff ff 7f 48 8d 74 24 20 e8 02 4f 03 02 4c 89 e7 89 c3 e8 c8 58 12 02 e9 48 ff ff ff e8 fe 7b 56 f9 <0f> 0b bb ea ff ff ff e9 52 ff ff ff e8 bd a0 0e 02 66 66 2e 0f 1f
[ 107.096080][ T5047] RSP: 0018:ffffc900039efc30 EFLAGS: 00010293
[ 107.102188][ T5047] RAX: 0000000000000000 RBX: 00000000f2613414 RCX: 0000000000000000
[ 107.110366][ T5047] RDX: ffff88801e5a0000 RSI: ffffffff88314ac2 RDI: 0000000000000005
[ 107.118461][ T5047] RBP: 1ffff9200073df86 R08: 0000000000000005 R09: 0000000000000000
[ 107.126576][ T5047] R10: 00000000f2613414 R11: ffffffff910d1250 R12: ffff888076980010
[ 107.134705][ T5047] R13: ffffffff9260f200 R14: ffff888076980000 R15: ffff8880769800f8
[ 107.142809][ T5047] FS: 0000555556159380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 107.151816][ T5047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 107.158543][ T5047] CR2: 00000000005fdeb8 CR3: 0000000074421000 CR4: 00000000003506e0
[ 107.166611][ T5047] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 107.174701][ T5047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 107.182744][ T5047] Call Trace:
[ 107.186038][ T5047]
[ 107.188982][ T5047] ? show_regs+0x8f/0xa0
[ 107.193330][ T5047] ? __warn+0xe6/0x380
[ 107.197457][ T5047] ? dev_index_reserve+0x1a2/0x1c0
[ 107.202660][ T5047] ? report_bug+0x3bc/0x580
[ 107.207233][ T5047] ? handle_bug+0x3c/0x70
[ 107.211590][ T5047] ? exc_invalid_op+0x17/0x40
[ 107.216399][ T5047] ? asm_exc_invalid_op+0x1a/0x20
[ 107.221488][ T5047] ? dev_index_reserve+0x1a2/0x1c0
[ 107.226723][ T5047] ? dev_index_reserve+0x1a2/0x1c0
[ 107.231900][ T5047] ? tc_run+0x530/0x530
[ 107.236220][ T5047] ? tun_net_init+0x4f2/0x6d0
[ 107.240952][ T5047] ? tun_attach.isra.0+0x1790/0x1790
[ 107.246349][ T5047] register_netdevice+0x69a/0x1490
[ 107.251515][ T5047] ? unregister_netdevice_queue+0x3c0/0x3c0
[ 107.257530][ T5047] ? alloc_netdev_mqs+0xee6/0x1290
[ 107.262759][ T5047] __tun_chr_ioctl+0x3091/0x4700
[ 107.267727][ T5047] ? tun_chr_read_iter+0x290/0x290
[ 107.273010][ T5047] ? bpf_lsm_file_ioctl+0x9/0x10
[ 107.278021][ T5047] ? tun_chr_compat_ioctl+0x30/0x30
[ 107.283323][ T5047] __x64_sys_ioctl+0x18f/0x210
[ 107.288232][ T5047] do_syscall_64+0x38/0xb0
[ 107.292789][ T5047] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 107.299115][ T5047] RIP: 0033:0x7f558f888469
[ 107.303622][ T5047] Code: 48 83 c4 28 c3 e8 37 17 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
[ 107.323392][ T5047] RSP: 002b:00007fffd5874e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 107.331855][ T5047] RAX: ffffffffffffffda RBX: 00007fffd5874fe8 RCX: 00007f558f888469
[ 107.339933][ T5047] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000004
[ 107.348020][ T5047] RBP: 00007f558f8fb610 R08: 00007fffd5874fe8 R09: 00007fffd5874fe8
[ 107.356099][ T5047] R10: 00007fffd5874fe8 R11: 0000000000000246 R12: 0000000000000001
[ 107.364157][ T5047] R13: 00007fffd5874fd8 R14: 0000000000000001 R15: 0000000000000001
[ 107.372318][ T5047]
[ 107.375374][ T5047] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 107.382662][ T5047] CPU: 1 PID: 5047 Comm: syz-executor411 Not tainted 6.6.0-rc5-syzkaller-00157-ge8c127b05766 #0
[ 107.393088][ T5047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
[ 107.403256][ T5047] Call Trace:
[ 107.406553][ T5047]
[ 107.409499][ T5047] dump_stack_lvl+0xd9/0x1b0
[ 107.414117][ T5047] panic+0x6a6/0x750
[ 107.418044][ T5047] ? panic_smp_self_stop+0xa0/0xa0
[ 107.423215][ T5047] ? dev_index_reserve+0x1a2/0x1c0
[ 107.428393][ T5047] check_panic_on_warn+0xab/0xb0
[ 107.433391][ T5047] __warn+0xf2/0x380
[ 107.437349][ T5047] ? dev_index_reserve+0x1a2/0x1c0
[ 107.442497][ T5047] report_bug+0x3bc/0x580
[ 107.446866][ T5047] handle_bug+0x3c/0x70
[ 107.451230][ T5047] exc_invalid_op+0x17/0x40
[ 107.455770][ T5047] asm_exc_invalid_op+0x1a/0x20
[ 107.460657][ T5047] RIP: 0010:dev_index_reserve+0x1a2/0x1c0
[ 107.466409][ T5047] Code: 00 31 d2 4d 8d 45 50 b9 ff ff ff 7f 48 8d 74 24 20 e8 02 4f 03 02 4c 89 e7 89 c3 e8 c8 58 12 02 e9 48 ff ff ff e8 fe 7b 56 f9 <0f> 0b bb ea ff ff ff e9 52 ff ff ff e8 bd a0 0e 02 66 66 2e 0f 1f
[ 107.486060][ T5047] RSP: 0018:ffffc900039efc30 EFLAGS: 00010293
[ 107.492154][ T5047] RAX: 0000000000000000 RBX: 00000000f2613414 RCX: 0000000000000000
[ 107.500155][ T5047] RDX: ffff88801e5a0000 RSI: ffffffff88314ac2 RDI: 0000000000000005
[ 107.508164][ T5047] RBP: 1ffff9200073df86 R08: 0000000000000005 R09: 0000000000000000
[ 107.516169][ T5047] R10: 00000000f2613414 R11: ffffffff910d1250 R12: ffff888076980010
[ 107.524172][ T5047] R13: ffffffff9260f200 R14: ffff888076980000 R15: ffff8880769800f8
[ 107.532184][ T5047] ? dev_index_reserve+0x1a2/0x1c0
[ 107.537346][ T5047] ? tc_run+0x530/0x530
[ 107.541621][ T5047] ? tun_net_init+0x4f2/0x6d0
[ 107.546332][ T5047] ? tun_attach.isra.0+0x1790/0x1790
[ 107.551968][ T5047] register_netdevice+0x69a/0x1490
[ 107.557333][ T5047] ? unregister_netdevice_queue+0x3c0/0x3c0
[ 107.563268][ T5047] ? alloc_netdev_mqs+0xee6/0x1290
[ 107.568445][ T5047] __tun_chr_ioctl+0x3091/0x4700
[ 107.573446][ T5047] ? tun_chr_read_iter+0x290/0x290
[ 107.578610][ T5047] ? bpf_lsm_file_ioctl+0x9/0x10
[ 107.583603][ T5047] ? tun_chr_compat_ioctl+0x30/0x30
[ 107.588849][ T5047] __x64_sys_ioctl+0x18f/0x210
[ 107.593646][ T5047] do_syscall_64+0x38/0xb0
[ 107.598186][ T5047] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 107.604117][ T5047] RIP: 0033:0x7f558f888469
[ 107.608572][ T5047] Code: 48 83 c4 28 c3 e8 37 17 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
[ 107.628220][ T5047] RSP: 002b:00007fffd5874e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 107.636775][ T5047] RAX: ffffffffffffffda RBX: 00007fffd5874fe8 RCX: 00007f558f888469
[ 107.644792][ T5047] RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000004
[ 107.652784][ T5047] RBP: 00007f558f8fb610 R08: 00007fffd5874fe8 R09: 00007fffd5874fe8
[ 107.660774][ T5047] R10: 00007fffd5874fe8 R11: 0000000000000246 R12: 0000000000000001
[ 107.668759][ T5047] R13: 00007fffd5874fd8 R14: 0000000000000001 R15: 0000000000000001
[ 107.676766][ T5047]
[ 107.680041][ T5047] Kernel Offset: disabled
[ 107.684491][ T5047] Rebooting in 86400 seconds..