./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1777049486 <...> Warning: Permanently added '10.128.0.102' (ED25519) to the list of known hosts. execve("./syz-executor1777049486", ["./syz-executor1777049486"], 0x7ffe867be410 /* 10 vars */) = 0 brk(NULL) = 0x55555573a000 brk(0x55555573ad00) = 0x55555573ad00 arch_prctl(ARCH_SET_FS, 0x55555573a380) = 0 set_tid_address(0x55555573a650) = 294 set_robust_list(0x55555573a660, 24) = 0 rseq(0x55555573aca0, 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-executor1777049486", 4096) = 28 getrandom("\xec\x0b\x2b\x10\xb7\xcd\x0e\xcd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555573ad00 brk(0x55555575bd00) = 0x55555575bd00 brk(0x55555575c000) = 0x55555575c000 mprotect(0x7f839198e000, 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=0x55555573a650) = 295 ./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x55555573a660, 24) = 0 [pid 295] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] setsid() = 1 [pid 295] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 295] unshare(CLONE_NEWNS) = 0 [pid 295] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 295] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 295] unshare(CLONE_NEWCGROUP) = 0 [pid 295] unshare(CLONE_NEWUTS) = 0 [pid 295] unshare(CLONE_SYSVSEM) = 0 [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] getpid() = 1 [pid 295] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< b6 04 08 84 c0 0f 85 0d 09 00 00 44 8b 23 4c 8b b4 24 b0 00 00 [ 24.238524][ T295] RSP: 0018:ffffc90000dd7000 EFLAGS: 00010202 [ 24.244418][ T295] RAX: 000000000000000e RBX: 0000000000000070 RCX: dffffc0000000000 [ 24.252230][ T295] RDX: 0000000000000000 RSI: ffff88810e9c443e RDI: 000000000000ffff [ 24.260042][ T295] RBP: ffffc90000dd7270 R08: ffffffff8401be79 R09: ffffffff8406447c [ 24.267853][ T295] R10: 0000000000000002 R11: ffff88811d78a880 R12: 0000000000000000 [ 24.275670][ T295] R13: 000000000000003e R14: ffff88810e9c4430 R15: ffff88810f17b002 [ 24.283476][ T295] FS: 000055555573a380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.292253][ T295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.298666][ T295] CR2: 0000000020010000 CR3: 00000001096eb000 CR4: 00000000003506b0 [ 24.306476][ T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.314380][ T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.322183][ T295] Call Trace: [ 24.325309][ T295] [ 24.328095][ T295] ? __die_body+0x62/0xb0 [ 24.332428][ T295] ? die_addr+0x9f/0xd0 [ 24.336427][ T295] ? exc_general_protection+0x317/0x4c0 [ 24.341891][ T295] ? asm_exc_general_protection+0x27/0x30 [ 24.347442][ T295] ? skb_network_protocol+0x1ac/0x770 [ 24.352650][ T295] ? skb_segment+0xca9/0x46c0 [ 24.357163][ T295] ? skb_segment+0x2f49/0x46c0 [ 24.361853][ T295] ? get_random_u32+0x30d/0x650 [ 24.366537][ T295] ? debug_smp_processor_id+0x17/0x20 [ 24.371742][ T295] ? kfree+0x7a/0xf0 [ 24.375474][ T295] ? ____kasan_slab_free+0x13c/0x180 [ 24.380595][ T295] ? __kasan_slab_free+0x11/0x20 [ 24.385369][ T295] ? __kmem_cache_free+0x218/0x3b0 [ 24.390319][ T295] ? skb_segment_list+0x1560/0x1560 [ 24.395348][ T295] ? udp6_ufo_fragment+0x825/0xe50 [ 24.400385][ T295] ? memmove+0x56/0x70 [ 24.404290][ T295] udp6_ufo_fragment+0x94d/0xe50 [ 24.409064][ T295] ? udpv6_offload_exit+0x20/0x20 [ 24.413927][ T295] ? ipv6_gso_pull_exthdrs+0x449/0x4e0 [ 24.419217][ T295] ipv6_gso_segment+0x6ff/0x1960 [ 24.424081][ T295] ? inet6_del_offload+0x50/0x50 [ 24.428850][ T295] ? numa_migrate_prep+0xe0/0xe0 [ 24.433626][ T295] ? inet6_del_offload+0x50/0x50 [ 24.438487][ T295] skb_mac_gso_segment+0x296/0x550 [ 24.443436][ T295] ? skb_eth_gso_segment+0x130/0x130 [ 24.448557][ T295] __skb_gso_segment+0x32d/0x4c0 [ 24.453329][ T295] validate_xmit_skb+0x323/0xe40 [ 24.458101][ T295] ? validate_xmit_skb_list+0x130/0x130 [ 24.463583][ T295] ? netdev_core_pick_tx+0x1d1/0x350 [ 24.468785][ T295] __dev_queue_xmit+0x1636/0x36e0 [ 24.473667][ T295] ? __dev_queue_xmit+0x2a6/0x36e0 [ 24.478584][ T295] ? netdev_core_pick_tx+0x350/0x350 [ 24.483706][ T295] ? virtio_net_hdr_to_skb+0x699/0x1180 [ 24.489096][ T295] dev_queue_xmit+0x17/0x20 [ 24.493425][ T295] packet_sendmsg+0x48dd/0x6510 [ 24.498120][ T295] ? avc_has_perm_noaudit+0x430/0x430 [ 24.503323][ T295] ? selinux_socket_accept+0x5b0/0x5b0 [ 24.508613][ T295] ? _raw_spin_unlock+0x4c/0x70 [ 24.513301][ T295] ? finish_task_switch+0x167/0x7b0 [ 24.518378][ T295] ? packet_getsockopt+0xea0/0xea0 [ 24.523286][ T295] ? security_socket_sendmsg+0x82/0xb0 [ 24.528775][ T295] ? packet_getsockopt+0xea0/0xea0 [ 24.533803][ T295] __sys_sendto+0x471/0x5f0 [ 24.538142][ T295] ? __ia32_sys_getpeername+0x90/0x90 [ 24.543355][ T295] ? do_notify_parent+0xa20/0xa20 [ 24.548213][ T295] ? fpregs_restore_userregs+0x130/0x290 [ 24.553678][ T295] __x64_sys_sendto+0xe5/0x100 [ 24.558286][ T295] do_syscall_64+0x3d/0xb0 [ 24.562616][ T295] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 24.568349][ T295] RIP: 0033:0x7f8391916419 [ 24.572623][ T295] 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 [ 24.592571][ T295] RSP: 002b:00007ffdf6e22238 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 24.600807][ T295] RAX: ffffffffffffffda RBX: 00007f8391963390 RCX: 00007f8391916419 [ 24.608615][ T295] RDX: 0000000000010048 RSI: 00000000200000c0 RDI: 0000000000000003 [ 24.616430][ T295] RBP: 0000000000000003 R08: 0000000020000540 R09: 0000000000000014 [ 24.624241][ T295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf6e22290 [ 24.632138][ T295] R13: 00007ffdf6e22260 R14: 0000000000000001 R15: 00007ffdf6e22290 [ 24.639956][ T295] [ 24.642811][ T295] Modules linked in: [ 24.646608][ T295] ---[ end trace 0000000000000000 ]--- [ 24.651899][ T295] RIP: 0010:skb_segment+0x2f49/0x46c0 [ 24.657050][ T295] Code: bc 24 90 00 00 00 e9 19 de ff ff e8 f1 4f 73 fd 48 8b 44 24 28 48 8d 58 70 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 0d 09 00 00 44 8b 23 4c 8b b4 24 b0 00 00 [ 24.676614][ T295] RSP: 0018:ffffc90000dd7000 EFLAGS: 00010202 [ 24.682504][ T295] RAX: 000000000000000e RBX: 0000000000000070 RCX: dffffc0000000000 [ 24.690298][ T295] RDX: 0000000000000000 RSI: ffff88810e9c443e RDI: 000000000000ffff [ 24.698138][ T295] RBP: ffffc90000dd7270 R08: ffffffff8401be79 R09: ffffffff8406447c [ 24.705927][ T295] R10: 0000000000000002 R11: ffff88811d78a880 R12: 0000000000000000 [ 24.713749][ T295] R13: 000000000000003e R14: ffff88810e9c4430 R15: ffff88810f17b002 [ 24.721533][ T295] FS: 000055555573a380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.730327][ T295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.736828][ T295] CR2: 0000000020010000 CR3: 00000001096eb000 CR4: 00000000003506b0 [ 24.744769][ T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.752570][ T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.760453][ T295] Kernel panic - not syncing: Fatal exception in interrupt [ 24.767689][ T295] Kernel Offset: disabled [ 24.771824][ T295] Rebooting in 86400 seconds..