./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2912725531 <...> Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts. execve("./syz-executor2912725531", ["./syz-executor2912725531"], 0x7ffc642dfaf0 /* 10 vars */) = 0 brk(NULL) = 0x555557368000 brk(0x555557368d00) = 0x555557368d00 arch_prctl(ARCH_SET_FS, 0x555557368380) = 0 set_tid_address(0x555557368650) = 5068 set_robust_list(0x555557368660, 24) = 0 rseq(0x555557368ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2912725531", 4096) = 28 getrandom("\x96\xf0\xe6\xcc\x0a\xe3\xee\xda", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557368d00 brk(0x555557389d00) = 0x555557389d00 brk(0x55555738a000) = 0x55555738a000 mprotect(0x7f34db80d000, 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, child_tidptr=0x555557368650) = 5069 ./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x555557368660, 24) = 0 [pid 5069] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setsid() = 1 [pid 5069] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5069] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5069] unshare(CLONE_NEWNS) = 0 [pid 5069] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5069] unshare(CLONE_NEWIPC) = 0 [pid 5069] unshare(CLONE_NEWCGROUP) = 0 [pid 5069] unshare(CLONE_NEWUTS) = 0 [pid 5069] unshare(CLONE_SYSVSEM) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "16777216", 8) = 8 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "536870912", 9) = 9 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "8192", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5069] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5069] close(3) = 0 [pid 5069] getpid() = 1 [pid 5069] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 2]) = 0 [pid 5079] bind(6, {sa_family=AF_PACKET, sll_protocol=htons(0 /* ETH_P_??? */), sll_ifindex=if_nametoindex("wlan0"), sll_hatype=ARPHRD_ETHER, sll_pkttype=PACKET_HOST, sll_halen=6, sll_addr=[0x5f, 0xfa, 0x45, 0xaa, 0xe9, 0xe3]}, 20) = 0 [pid 5079] sendto(6, "\x41\x04\x09\xfc\xc1\xf7\x48\x02\x01\x0e\x02\x00\xc5\x2c\xf7\xc2\x06\x75\xe0\x05\xb0\x2f\x08\x00\xeb\x2b\x2f\xf0\xda\xc8\x89\x7c\x6b\x11\x20\x02\xfa\xff\xff\xff\x30\x66\x09\x0c\xb6\x00\xc5\x47\x1d\x13\x0a\x66\x32\x1a\x54\xe7\xdf\x30\x5f\x80\xa8\x81\x61\xb6\xfd\x8f\x24\x28\x6a\x57\xc3\xfe\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 64531, MSG_CONFIRM, NULL, 47) = 64531 [pid 5079] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 9 [pid 5079] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 10 [pid 5079] ioctl(10, SIOCGIFINDEX, {ifr_name="batadv_slave_1", ifr_ifindex=42}) = 0 [pid 5079] sendmsg(9, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x70\x00\x00\x00\x14\x00\x09\x05\x00\x00\x00\x00\x00\x00\x00\x00\x02\x01\x00\xfd\x2a\x00\x00\x00\x14\x00\x06\x00\x06\x00\x00\x00\x00\x00\x00\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x02\x00\xac\x1e\x00\x01\x08\x00\x01\x00\xac\x14\x14\xaa\x08\x00\x04\x00\x7f\x00\x00\x01\x08\x00\x04\x00\xe0\x00\x00\x02\x14\x00\x03\x00\x76\x65\x74\x68\x31\x5f\x74\x6f\x5f\x62\x6f\x6e\x64\x00\x00\x00\x08\x00\x08\x00"..., iov_len=112}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 112 [pid 5079] close(3) = 0 [pid 5079] close(4) = 0 [pid 5079] close(5) = 0 [pid 5079] close(6) = 0 [pid 5079] close(7) = 0 [pid 5079] close(8) = 0 [pid 5079] close(9) = 0 [pid 5079] close(10) = 0 [pid 5079] close(11) = -1 EBADF (Bad file descriptor) [pid 5079] close(12) = -1 EBADF (Bad file descriptor) [pid 5079] close(13) = -1 EBADF (Bad file descriptor) [pid 5079] close(14) = -1 EBADF (Bad file descriptor) [pid 5079] close(15) = -1 EBADF (Bad file descriptor) [pid 5079] close(16) = -1 EBADF (Bad file descriptor) [pid 5079] close(17) = -1 EBADF (Bad file descriptor) [pid 5079] close(18) = -1 EBADF (Bad file descriptor) [pid 5079] close(19) = -1 EBADF (Bad file descriptor) [pid 5079] close(20) = -1 EBADF (Bad file descriptor) [pid 5079] close(21) = -1 EBADF (Bad file descriptor) [pid 5079] close(22) = -1 EBADF (Bad file descriptor) [pid 5079] close(23) = -1 EBADF (Bad file descriptor) [pid 5079] close(24) = -1 EBADF (Bad file descriptor) [pid 5079] close(25) = -1 EBADF (Bad file descriptor) [pid 5079] close(26) = -1 EBADF (Bad file descriptor) [pid 5079] close(27) = -1 EBADF (Bad file descriptor) [pid 5079] close(28) = -1 EBADF (Bad file descriptor) [pid 5079] close(29) = -1 EBADF (Bad file descriptor) [pid 5079] exit_group(0) = ? [pid 5079] +++ exited with 0 +++ [pid 5069] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5069] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5069] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5080 attached [pid 5080] set_robust_list(0x555557368660, 24 [pid 5069] <... clone resumed>, child_tidptr=0x555557368650) = 3 [pid 5080] <... set_robust_list resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] setpgid(0, 0) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1000", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] mkdir("./bus", 000) = -1 EEXIST (File exists) [pid 5080] openat(AT_FDCWD, "./bus", O_RDONLY) = 3 [pid 5080] openat(AT_FDCWD, "/dev/char/4:1", O_RDWR) = 4 [pid 5080] dup(4) = 5 [pid 5080] socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL)) = 6 [pid 5080] setsockopt(6, SOL_PACKET, PACKET_VNET_HDR, "\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 197675465) = 0 [pid 5080] socketpair(AF_UNIX, SOCK_STREAM, 0, [7, 8]) = 0 [pid 5080] getsockname(7, {sa_family=AF_UNIX}, [20 => 2]) = 0 [pid 5080] bind(6, {sa_family=AF_PACKET, sll_protocol=htons(0 /* ETH_P_??? */), sll_ifindex=if_nametoindex("wlan0"), sll_hatype=ARPHRD_ETHER, sll_pkttype=PACKET_HOST, sll_halen=6, sll_addr=[0x5f, 0xfa, 0x45, 0xaa, 0xe9, 0xe3]}, 20) = 0 [ 79.606168][ T5080] skb len=1116 headroom=140 headlen=1116 tailroom=472 [ 79.606168][ T5080] mac=(140,0) net=(140,60) trans=200 [ 79.606168][ T5080] shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0)) [ 79.606168][ T5080] csum(0xe0102e8 ip_summed=3 complete_sw=0 valid=0 level=0) [ 79.606168][ T5080] hash(0x0 sw=0 l4=0) proto=0x0800 pkttype=0 iif=0 [ 79.638639][ T5080] dev name=batadv_slave_1 feat=0x000061164fdd19e9 [ 79.645950][ T5080] sk family=17 type=3 proto=0 [ 79.650662][ T5080] skb linear: 00000000: 45 00 04 5c 12 38 00 00 40 29 bd 22 ac 1e 00 01 [ 79.659250][ T5080] skb linear: 00000010: fa ff ff ff 02 00 c5 2c 04 20 06 75 e0 05 b0 2f [ 79.667815][ T5080] skb linear: 00000020: 08 00 eb 2b 2f f0 da c8 89 7c 6b 11 20 02 fa ff [ 79.676361][ T5080] skb linear: 00000030: ff ff 30 66 09 0c b6 00 c5 47 1d 13 0a 66 32 1a [ 79.684934][ T5080] skb linear: 00000040: 54 e8 d6 f1 5f 80 a8 81 61 36 fd 8f 2c 66 6a 57 [ 79.693481][ T5080] skb linear: 00000050: c3 fe ff ff 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.702067][ T5080] skb linear: 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.710625][ T5080] skb linear: 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.719211][ T5080] skb linear: 00000080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.727767][ T5080] skb linear: 00000090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.736343][ T5080] skb linear: 000000a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.744896][ T5080] skb linear: 000000b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.753401][ T5080] skb linear: 000000c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.761958][ T5080] skb linear: 000000d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.770525][ T5080] skb linear: 000000e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.779096][ T5080] skb linear: 000000f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.787681][ T5080] skb linear: 00000100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.796267][ T5080] skb linear: 00000110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.804823][ T5080] skb linear: 00000120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 79.813433][ T5080] ------------[ cut here ]------------ [ 79.818975][ T5080] offset+2 (4191) > skb_headlen() (1116) [ 79.825455][ T5080] WARNING: CPU: 0 PID: 5080 at net/core/dev.c:3287 skb_checksum_help+0x68f/0x730 [ 79.834801][ T5080] Modules linked in: [ 79.838732][ T5080] CPU: 0 PID: 5080 Comm: syz-executor291 Not tainted 6.8.0-syzkaller-05202-g9187210eee7d #0 [ 79.848879][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 79.858999][ T5080] RIP: 0010:skb_checksum_help+0x68f/0x730 [ 79.864799][ T5080] Code: 48 8b 4c 24 10 0f b6 04 01 84 c0 0f 85 89 00 00 00 48 8b 44 24 08 2b 18 48 c7 c7 20 f3 9f 8c 4c 89 f6 89 da e8 e2 4d 12 f8 90 <0f> 0b 90 90 bb ea ff ff ff e9 cf fc ff ff 48 8b 0c 24 80 e1 07 80 [ 79.884557][ T5080] RSP: 0018:ffffc90003baf108 EFLAGS: 00010246 [ 79.890656][ T5080] RAX: 1441f12fa9d8fb00 RBX: 000000000000045c RCX: ffff888021945a00 [ 79.898691][ T5080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 79.906751][ T5080] RBP: dffffc0000000000 R08: ffffffff8157cc12 R09: 1ffff92000775dc0 [ 79.914790][ T5080] R10: dffffc0000000000 R11: fffff52000775dc1 R12: 1ffff1100554019e [ 79.922786][ T5080] R13: 000000000000105d R14: 000000000000105f R15: ffff88802aa00c80 [ 79.930835][ T5080] FS: 0000555557368380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 79.939857][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.946527][ T5080] CR2: 000000002000f000 CR3: 000000002b47a000 CR4: 0000000000350ef0 [ 79.954570][ T5080] Call Trace: [ 79.957874][ T5080] [ 79.960831][ T5080] ? __warn+0x163/0x4b0 [ 79.965079][ T5080] ? skb_checksum_help+0x68f/0x730 [ 79.970232][ T5080] ? report_bug+0x2b3/0x500 [ 79.974809][ T5080] ? skb_checksum_help+0x68f/0x730 [ 79.979970][ T5080] ? handle_bug+0x3e/0x70 [ 79.984377][ T5080] ? exc_invalid_op+0x1a/0x50 [ 79.989105][ T5080] ? asm_exc_invalid_op+0x1a/0x20 [ 79.994228][ T5080] ? __warn_printk+0x292/0x360 [ 79.999035][ T5080] ? skb_checksum_help+0x68f/0x730 [ 80.004215][ T5080] ? skb_checksum_help+0x68e/0x730 [ 80.009381][ T5080] ip_do_fragment+0x21b/0x1b60 [ 80.014238][ T5080] ? __pfx_ip_finish_output2+0x10/0x10 [ 80.019738][ T5080] ? __pfx_ip_do_fragment+0x10/0x10 [ 80.025031][ T5080] ? kasan_quarantine_put+0xdc/0x230 [ 80.030339][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.035250][ T5080] ? lockdep_hardirqs_on+0x99/0x150 [ 80.040491][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.045412][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.050323][ T5080] ? ip_fragment+0x9a/0x220 [ 80.054896][ T5080] __ip_finish_output+0x290/0x400 [ 80.059976][ T5080] iptunnel_xmit+0x540/0x9b0 [ 80.064653][ T5080] sit_tunnel_xmit+0x1b7b/0x25b0 [ 80.069650][ T5080] ? __pfx_sit_tunnel_xmit+0x10/0x10 [ 80.075019][ T5080] ? dev_queue_xmit_nit+0x2b/0xc10 [ 80.080179][ T5080] ? validate_xmit_skb+0xa04/0x1120 [ 80.085493][ T5080] dev_hard_start_xmit+0x26c/0x790 [ 80.090681][ T5080] __dev_queue_xmit+0x19f4/0x3b10 [ 80.095836][ T5080] ? __dev_queue_xmit+0x2c4/0x3b10 [ 80.101013][ T5080] ? skb_partial_csum_set+0x105/0x350 [ 80.106523][ T5080] ? __pfx___dev_queue_xmit+0x10/0x10 [ 80.111946][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.116877][ T5080] ? virtio_net_hdr_to_skb+0xa6a/0x1330 [ 80.122567][ T5080] ? packet_parse_headers+0x7bd/0xad0 [ 80.128020][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.132973][ T5080] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 80.138932][ T5080] ? packet_xmit+0x68/0x330 [ 80.143505][ T5080] packet_sendmsg+0x4932/0x63d0 [ 80.148439][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.153353][ T5080] ? mark_lock+0x9a/0x350 [ 80.157754][ T5080] ? __pfx___might_resched+0x10/0x10 [ 80.163099][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.168029][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.172916][ T5080] ? aa_sk_perm+0x967/0xab0 [ 80.177489][ T5080] ? __pfx_packet_sendmsg+0x10/0x10 [ 80.182721][ T5080] ? mark_lock+0x271/0x350 [ 80.187207][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.192132][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.197081][ T5080] ? aa_sock_msg_perm+0x91/0x160 [ 80.202058][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.207011][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.211915][ T5080] ? security_socket_sendmsg+0x87/0xb0 [ 80.217500][ T5080] ? __pfx_packet_sendmsg+0x10/0x10 [ 80.222739][ T5080] __sock_sendmsg+0x223/0x270 [ 80.227541][ T5080] __sys_sendto+0x3a4/0x4f0 [ 80.232090][ T5080] ? __pfx___sys_sendto+0x10/0x10 [ 80.237213][ T5080] ? lockdep_hardirqs_on+0x99/0x150 [ 80.242473][ T5080] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 80.248886][ T5080] __x64_sys_sendto+0xde/0x100 [ 80.253767][ T5080] do_syscall_64+0xfd/0x240 [ 80.258327][ T5080] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.264354][ T5080] RIP: 0033:0x7f34db794e69 [ 80.268795][ T5080] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 [ 80.288463][ T5080] RSP: 002b:00007fffd9c34bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 80.296966][ T5080] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f34db794e69 [ 80.305046][ T5080] RDX: 000000000000fc13 RSI: 0000000020000280 RDI: 0000000000000006 [ 80.313132][ T5080] RBP: 00000000000f4240 R08: 0000000000000000 R09: 000000000000002f [ 80.321171][ T5080] R10: 0000000000000800 R11: 0000000000000246 R12: 00007fffd9c34c40 [ 80.329201][ T5080] R13: 00000000000135d9 R14: 00007fffd9c34c0c R15: 0000000000000003 [ 80.337310][ T5080] [ 80.340366][ T5080] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 80.347654][ T5080] CPU: 0 PID: 5080 Comm: syz-executor291 Not tainted 6.8.0-syzkaller-05202-g9187210eee7d #0 [ 80.357736][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 80.367799][ T5080] Call Trace: [ 80.371088][ T5080] [ 80.374043][ T5080] dump_stack_lvl+0x1e7/0x2e0 [ 80.378752][ T5080] ? __pfx_dump_stack_lvl+0x10/0x10 [ 80.383971][ T5080] ? __pfx__printk+0x10/0x10 [ 80.388673][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.393547][ T5080] ? vscnprintf+0x5d/0x90 [ 80.397926][ T5080] panic+0x349/0x860 [ 80.401838][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.406714][ T5080] ? __warn+0x172/0x4b0 [ 80.410892][ T5080] ? __pfx_panic+0x10/0x10 [ 80.415340][ T5080] __warn+0x31e/0x4b0 [ 80.419342][ T5080] ? skb_checksum_help+0x68f/0x730 [ 80.424481][ T5080] report_bug+0x2b3/0x500 [ 80.428833][ T5080] ? skb_checksum_help+0x68f/0x730 [ 80.433972][ T5080] handle_bug+0x3e/0x70 [ 80.438151][ T5080] exc_invalid_op+0x1a/0x50 [ 80.442670][ T5080] asm_exc_invalid_op+0x1a/0x20 [ 80.447541][ T5080] RIP: 0010:skb_checksum_help+0x68f/0x730 [ 80.453275][ T5080] Code: 48 8b 4c 24 10 0f b6 04 01 84 c0 0f 85 89 00 00 00 48 8b 44 24 08 2b 18 48 c7 c7 20 f3 9f 8c 4c 89 f6 89 da e8 e2 4d 12 f8 90 <0f> 0b 90 90 bb ea ff ff ff e9 cf fc ff ff 48 8b 0c 24 80 e1 07 80 [ 80.473327][ T5080] RSP: 0018:ffffc90003baf108 EFLAGS: 00010246 [ 80.479425][ T5080] RAX: 1441f12fa9d8fb00 RBX: 000000000000045c RCX: ffff888021945a00 [ 80.487450][ T5080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 80.495431][ T5080] RBP: dffffc0000000000 R08: ffffffff8157cc12 R09: 1ffff92000775dc0 [ 80.503443][ T5080] R10: dffffc0000000000 R11: fffff52000775dc1 R12: 1ffff1100554019e [ 80.511443][ T5080] R13: 000000000000105d R14: 000000000000105f R15: ffff88802aa00c80 [ 80.519435][ T5080] ? __warn_printk+0x292/0x360 [ 80.524239][ T5080] ? skb_checksum_help+0x68e/0x730 [ 80.529385][ T5080] ip_do_fragment+0x21b/0x1b60 [ 80.534189][ T5080] ? __pfx_ip_finish_output2+0x10/0x10 [ 80.539657][ T5080] ? __pfx_ip_do_fragment+0x10/0x10 [ 80.544902][ T5080] ? kasan_quarantine_put+0xdc/0x230 [ 80.550197][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.555068][ T5080] ? lockdep_hardirqs_on+0x99/0x150 [ 80.560285][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.565171][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.570040][ T5080] ? ip_fragment+0x9a/0x220 [ 80.574554][ T5080] __ip_finish_output+0x290/0x400 [ 80.579608][ T5080] iptunnel_xmit+0x540/0x9b0 [ 80.584239][ T5080] sit_tunnel_xmit+0x1b7b/0x25b0 [ 80.589241][ T5080] ? __pfx_sit_tunnel_xmit+0x10/0x10 [ 80.594578][ T5080] ? dev_queue_xmit_nit+0x2b/0xc10 [ 80.599709][ T5080] ? validate_xmit_skb+0xa04/0x1120 [ 80.604930][ T5080] dev_hard_start_xmit+0x26c/0x790 [ 80.610094][ T5080] __dev_queue_xmit+0x19f4/0x3b10 [ 80.615148][ T5080] ? __dev_queue_xmit+0x2c4/0x3b10 [ 80.620275][ T5080] ? skb_partial_csum_set+0x105/0x350 [ 80.625682][ T5080] ? __pfx___dev_queue_xmit+0x10/0x10 [ 80.631073][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.635948][ T5080] ? virtio_net_hdr_to_skb+0xa6a/0x1330 [ 80.641510][ T5080] ? packet_parse_headers+0x7bd/0xad0 [ 80.646901][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.651811][ T5080] ? __pfx_virtio_net_hdr_to_skb+0x10/0x10 [ 80.657640][ T5080] ? packet_xmit+0x68/0x330 [ 80.662167][ T5080] packet_sendmsg+0x4932/0x63d0 [ 80.667046][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.671926][ T5080] ? mark_lock+0x9a/0x350 [ 80.676273][ T5080] ? __pfx___might_resched+0x10/0x10 [ 80.681597][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.686555][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.691443][ T5080] ? aa_sk_perm+0x967/0xab0 [ 80.695965][ T5080] ? __pfx_packet_sendmsg+0x10/0x10 [ 80.701184][ T5080] ? mark_lock+0x271/0x350 [ 80.705717][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.710589][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.715462][ T5080] ? aa_sock_msg_perm+0x91/0x160 [ 80.720415][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.725319][ T5080] ? srso_return_thunk+0x5/0x5f [ 80.730207][ T5080] ? security_socket_sendmsg+0x87/0xb0 [ 80.735719][ T5080] ? __pfx_packet_sendmsg+0x10/0x10 [ 80.740950][ T5080] __sock_sendmsg+0x223/0x270 [ 80.745653][ T5080] __sys_sendto+0x3a4/0x4f0 [ 80.750184][ T5080] ? __pfx___sys_sendto+0x10/0x10 [ 80.755236][ T5080] ? lockdep_hardirqs_on+0x99/0x150 [ 80.760470][ T5080] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 80.766813][ T5080] __x64_sys_sendto+0xde/0x100 [ 80.771598][ T5080] do_syscall_64+0xfd/0x240 [ 80.776124][ T5080] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 80.782036][ T5080] RIP: 0033:0x7f34db794e69 [ 80.786467][ T5080] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 [ 80.806084][ T5080] RSP: 002b:00007fffd9c34bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 80.814514][ T5080] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f34db794e69 [ 80.822516][ T5080] RDX: 000000000000fc13 RSI: 0000000020000280 RDI: 0000000000000006 [ 80.830490][ T5080] RBP: 00000000000f4240 R08: 0000000000000000 R09: 000000000000002f [ 80.838475][ T5080] R10: 0000000000000800 R11: 0000000000000246 R12: 00007fffd9c34c40 [ 80.846475][ T5080] R13: 00000000000135d9 R14: 00007fffd9c34c0c R15: 0000000000000003 [ 80.854490][ T5080] [ 80.857993][ T5080] Kernel Offset: disabled [ 80.862393][ T5080] Rebooting in 86400 seconds..