./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1997598732 <...> Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts. execve("./syz-executor1997598732", ["./syz-executor1997598732"], 0x7ffffc750be0 /* 10 vars */) = 0 brk(NULL) = 0x555590265000 brk(0x555590265d00) = 0x555590265d00 arch_prctl(ARCH_SET_FS, 0x555590265380) = 0 set_tid_address(0x555590265650) = 358 set_robust_list(0x555590265660, 24) = 0 rseq(0x555590265ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1997598732", 4096) = 28 getrandom("\xf4\xd2\xa5\xce\x3b\x5e\x30\x44", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555590265d00 brk(0x555590286d00) = 0x555590286d00 brk(0x555590287000) = 0x555590287000 mprotect(0x7f9f2f620000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555590265650) = 360 ./strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x555590265660, 24) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] getppid() = 0 [pid 360] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 360] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 360] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 360] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 360] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 360] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 360] unshare(CLONE_NEWNS) = 0 [pid 360] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 360] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 360] unshare(CLONE_NEWCGROUP) = 0 [pid 360] unshare(CLONE_NEWUTS) = 0 [pid 360] unshare(CLONE_SYSVSEM) = 0 [pid 360] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 360] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 360] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 360] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 360] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 360] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 360] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 360] getpid() = 1 [pid 360] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 [ 26.010595][ T360] RSP: 0018:ffff8881eebe6ec8 EFLAGS: 00010293 [ 26.016498][ T360] RAX: ffffffff837f9783 RBX: 000000000000297d RCX: ffff8881de6c0fc0 [ 26.024502][ T360] RDX: 0000000000000000 RSI: 000000000000297d RDI: 0000000000003528 [ 26.032315][ T360] RBP: 0000000000003528 R08: ffffffff837f91ff R09: ffffed103dd7cdca [ 26.040126][ T360] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881ec57e070 [ 26.047945][ T360] R13: 0000000000003526 R14: ffff8881ec57e000 R15: 1ffff1103d8afc0e [ 26.055752][ T360] FS: 0000555590265380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 26.064515][ T360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.071025][ T360] CR2: 000040000000d000 CR3: 00000001f0b3a000 CR4: 00000000003406a0 [ 26.078841][ T360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.086651][ T360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.094458][ T360] Call Trace: [ 26.097591][ T360] ? __die+0xb4/0x100 [ 26.101406][ T360] ? die+0x26/0x50 [ 26.104963][ T360] ? do_trap+0x1e7/0x340 [ 26.109045][ T360] ? skb_checksum_help+0x873/0x880 [ 26.113992][ T360] ? skb_checksum_help+0x873/0x880 [ 26.118942][ T360] ? do_invalid_op+0xfb/0x110 [ 26.123458][ T360] ? skb_checksum_help+0x873/0x880 [ 26.128400][ T360] ? invalid_op+0x1e/0x30 [ 26.132564][ T360] ? skb_checksum_help+0x2ef/0x880 [ 26.137512][ T360] ? skb_checksum_help+0x873/0x880 [ 26.142460][ T360] ? skb_checksum_help+0x873/0x880 [ 26.147411][ T360] ? skb_checksum_help+0x873/0x880 [ 26.152354][ T360] ip_do_fragment+0x15e/0x2200 [ 26.156954][ T360] ? debug_smp_processor_id+0x20/0x20 [ 26.162161][ T360] ? ip_fragment+0x210/0x210 [ 26.166590][ T360] ? ip_frag_next+0xad0/0xad0 [ 26.171105][ T360] ? xfrm_lookup_with_ifid+0xfa5/0x1c90 [ 26.176484][ T360] ? __ip_finish_output+0x410/0x710 [ 26.181531][ T360] ? ip_fragment+0x9a/0x210 [ 26.185854][ T360] ip_output+0x19b/0x3a0 [ 26.189942][ T360] ? ip_finish_output+0x1d0/0x1d0 [ 26.194798][ T360] ? ip_mc_finish_output+0x340/0x340 [ 26.199923][ T360] iptunnel_xmit+0x476/0x850 [ 26.204347][ T360] ip_tunnel_xmit+0x1ac0/0x2690 [ 26.209036][ T360] ? ip_tunnel_xmit+0x131/0x2690 [ 26.213807][ T360] ? tnl_update_pmtu+0xbb0/0xbb0 [ 26.218585][ T360] ? gre_build_header+0x23f/0x7a0 [ 26.223443][ T360] ipgre_xmit+0x79f/0xb30 [ 26.227611][ T360] ? validate_xmit_skb+0x331/0xc10 [ 26.232553][ T360] dev_hard_start_xmit+0x1b7/0x6b0 [ 26.237503][ T360] __dev_queue_xmit+0x138c/0x2790 [ 26.242374][ T360] ? dev_queue_xmit+0x20/0x20 [ 26.246884][ T360] ? virtio_net_hdr_to_skb+0xa10/0x1130 [ 26.252262][ T360] ? fanout_demux_rollover+0xc10/0xc10 [ 26.257552][ T360] packet_sendmsg+0x4747/0x6100 [ 26.262248][ T360] ? avc_has_perm+0x21a/0x260 [ 26.266761][ T360] ? selinux_socket_sendmsg+0x243/0x340 [ 26.272132][ T360] ? selinux_socket_accept+0x5b0/0x5b0 [ 26.277428][ T360] ? rw_copy_check_uvector+0x2a3/0x2f0 [ 26.282725][ T360] ? compat_packet_setsockopt+0x160/0x160 [ 26.288277][ T360] ? csum_and_copy_from_iter+0x29e/0x1030 [ 26.293831][ T360] ? security_socket_sendmsg+0x7d/0xa0 [ 26.299123][ T360] ? compat_packet_setsockopt+0x160/0x160 [ 26.304682][ T360] ____sys_sendmsg+0x5ac/0x8f0 [ 26.309282][ T360] ? __sys_sendmsg_sock+0x2b0/0x2b0 [ 26.314315][ T360] __sys_sendmsg+0x28b/0x380 [ 26.318740][ T360] ? ____sys_sendmsg+0x8f0/0x8f0 [ 26.323515][ T360] ? ptrace_notify+0x24c/0x350 [ 26.328119][ T360] ? __do_page_fault+0x725/0xbb0 [ 26.332896][ T360] do_syscall_64+0xca/0x1c0 [ 26.337228][ T360] entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 26.342972][ T360] RIP: 0033:0x7f9f2f5a7899 [ 26.347208][ T360] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 [ 26.366658][ T360] RSP: 002b:00007ffd6e91db18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.374902][ T360] RAX: ffffffffffffffda RBX: 00007f9f2f5f54ad RCX: 00007f9f2f5a7899 [ 26.382706][ T360] RDX: 0000000000000010 RSI: 0000400000002ac0 RDI: 0000000000000003 [ 26.390524][ T360] RBP: 00007f9f2f5f547d R08: 0000555500000000 R09: 0000555500000000 [ 26.398333][ T360] R10: 0000000000000004 R11: 0000000000000246 R12: 00007f9f2f5f53e5 [ 26.406140][ T360] R13: 0000000000000001 R14: 00007ffd6e91db60 R15: 0000000000000003 [ 26.413951][ T360] Modules linked in: [ 26.417741][ T360] ---[ end trace 834cae0f5ea77717 ]--- [ 26.422992][ T360] RIP: 0010:skb_checksum_help+0x873/0x880 [ 26.428561][ T360] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c d0 fc ff ff 48 89 df e8 ae 9d 14 fe e9 c3 fc ff ff e8 84 b3 e4 fd 0f 0b e8 7d b3 e4 fd <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 [ 26.448117][ T360] RSP: 0018:ffff8881eebe6ec8 EFLAGS: 00010293 [ 26.453991][ T360] RAX: ffffffff837f9783 RBX: 000000000000297d RCX: ffff8881de6c0fc0 [ 26.461826][ T360] RDX: 0000000000000000 RSI: 000000000000297d RDI: 0000000000003528 [ 26.469666][ T360] RBP: 0000000000003528 R08: ffffffff837f91ff R09: ffffed103dd7cdca [ 26.477448][ T360] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881ec57e070 [ 26.485242][ T360] R13: 0000000000003526 R14: ffff8881ec57e000 R15: 1ffff1103d8afc0e [ 26.493084][ T360] FS: 0000555590265380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 26.501870][ T360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.508263][ T360] CR2: 000040000000d000 CR3: 00000001f0b3a000 CR4: 00000000003406a0 [ 26.516056][ T360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.523894][ T360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.531707][ T360] Kernel panic - not syncing: Fatal exception in interrupt [ 26.538915][ T360] Kernel Offset: disabled [ 26.543038][ T360] Rebooting in 86400 seconds..