./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3278975763 <...> Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. execve("./syz-executor3278975763", ["./syz-executor3278975763"], 0x7fff83880ca0 /* 10 vars */) = 0 brk(NULL) = 0x55555596d000 brk(0x55555596dd00) = 0x55555596dd00 arch_prctl(ARCH_SET_FS, 0x55555596d380) = 0 set_tid_address(0x55555596d650) = 293 set_robust_list(0x55555596d660, 24) = 0 rseq(0x55555596dca0, 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-executor3278975763", 4096) = 28 getrandom("\x5a\x18\xe4\x35\x98\x21\x0c\xe4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555596dd00 brk(0x55555598ed00) = 0x55555598ed00 brk(0x55555598f000) = 0x55555598f000 mprotect(0x7fd15b6ac000, 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=0x55555596d650) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x55555596d660, 24) = 0 [pid 294] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] setsid() = 1 [pid 294] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 294] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 294] unshare(CLONE_NEWNS) = 0 [pid 294] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 294] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 294] unshare(CLONE_NEWCGROUP) = 0 [pid 294] unshare(CLONE_NEWUTS) = 0 [pid 294] unshare(CLONE_SYSVSEM) = 0 [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 294] getpid() = 1 [pid 294] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< b6 04 08 84 c0 0f 85 bf 08 00 00 44 8b 2b 4c 8b b4 24 a8 00 00 [ 22.446181][ T294] RSP: 0018:ffffc90000927060 EFLAGS: 00010202 [ 22.452083][ T294] RAX: 000000000000000e RBX: 0000000000000070 RCX: dffffc0000000000 [ 22.459907][ T294] RDX: 0000000000000000 RSI: ffff88811f6f557e RDI: 000000000000ffff [ 22.467705][ T294] RBP: ffffc900009272d0 R08: ffffffff83dfedba R09: ffffffff83e4748c [ 22.475550][ T294] R10: 0000000000000002 R11: ffff88811e32e2c0 R12: 0000000000000000 [ 22.483338][ T294] R13: ffff88811f6f55d4 R14: ffff88811f6f5570 R15: 0000000000000000 [ 22.491158][ T294] FS: 000055555596d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.499909][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.506329][ T294] CR2: 0000000020010000 CR3: 000000011e5a0000 CR4: 00000000003506a0 [ 22.514141][ T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.521950][ T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.529790][ T294] Call Trace: [ 22.532888][ T294] [ 22.535685][ T294] ? __die_body+0x62/0xb0 [ 22.539833][ T294] ? die_addr+0x9f/0xd0 [ 22.543822][ T294] ? exc_general_protection+0x311/0x4b0 [ 22.549207][ T294] ? asm_exc_general_protection+0x27/0x30 [ 22.554773][ T294] ? skb_network_protocol+0x1ac/0x770 [ 22.559967][ T294] ? skb_segment+0xc3a/0x4540 [ 22.564480][ T294] ? skb_segment+0x2ebe/0x4540 [ 22.569082][ T294] ? kasan_quarantine_put+0x34/0x1a0 [ 22.574203][ T294] ? ____kasan_slab_free+0x131/0x160 [ 22.579326][ T294] ? skb_gro_receive_list+0x4e0/0x4e0 [ 22.584529][ T294] ? udp6_ufo_fragment+0x759/0xd40 [ 22.589513][ T294] ? memmove+0x56/0x70 [ 22.593385][ T294] udp6_ufo_fragment+0x87a/0xd40 [ 22.598159][ T294] ? __pskb_pull_tail+0xb4b/0x15d0 [ 22.603106][ T294] ? udpv6_offload_exit+0x20/0x20 [ 22.607968][ T294] ? ipv6_gso_pull_exthdrs+0x42c/0x480 [ 22.613345][ T294] ipv6_gso_segment+0x64a/0x1120 [ 22.618123][ T294] ? inet6_del_offload+0x50/0x50 [ 22.622895][ T294] ? inet6_del_offload+0x50/0x50 [ 22.627668][ T294] skb_mac_gso_segment+0x27c/0x490 [ 22.632616][ T294] ? skb_network_protocol+0x770/0x770 [ 22.637828][ T294] ? down_read_trylock+0x1f9/0x300 [ 22.642766][ T294] ? __init_rwsem+0x1c0/0x1c0 [ 22.647281][ T294] __skb_gso_segment+0x32d/0x4c0 [ 22.652055][ T294] validate_xmit_skb+0x30a/0xce0 [ 22.656828][ T294] ? validate_xmit_skb_list+0x130/0x130 [ 22.662208][ T294] ? netdev_core_pick_tx+0xce/0x300 [ 22.667245][ T294] __dev_queue_xmit+0x12d2/0x2e70 [ 22.672105][ T294] ? dev_queue_xmit+0x20/0x20 [ 22.676618][ T294] ? virtio_net_hdr_to_skb+0xa10/0x1130 [ 22.682020][ T294] ? fanout_demux_rollover+0xbe0/0xbe0 [ 22.687290][ T294] dev_queue_xmit+0x17/0x20 [ 22.691630][ T294] packet_sendmsg+0x47a9/0x6350 [ 22.696320][ T294] ? avc_has_perm+0x1f5/0x260 [ 22.700837][ T294] ? compat_start_thread+0x20/0x20 [ 22.705778][ T294] ? selinux_socket_sendmsg+0x243/0x340 [ 22.711164][ T294] ? selinux_socket_accept+0x5b0/0x5b0 [ 22.716457][ T294] ? packet_getsockopt+0xea0/0xea0 [ 22.721400][ T294] ? check_stack_object+0xf4/0x130 [ 22.726350][ T294] ? security_socket_sendmsg+0x82/0xb0 [ 22.731643][ T294] ? packet_getsockopt+0xea0/0xea0 [ 22.736588][ T294] __sys_sendto+0x564/0x720 [ 22.740933][ T294] ? __ia32_sys_getpeername+0x90/0x90 [ 22.746143][ T294] ? __kasan_check_read+0x11/0x20 [ 22.750996][ T294] __x64_sys_sendto+0xe5/0x100 [ 22.755597][ T294] do_syscall_64+0x3d/0xb0 [ 22.759851][ T294] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 22.765594][ T294] RIP: 0033:0x7fd15b634419 [ 22.769831][ T294] 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 [ 22.789272][ T294] RSP: 002b:00007fff05299ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 22.797527][ T294] RAX: ffffffffffffffda RBX: 00007fd15b681390 RCX: 00007fd15b634419 [ 22.805327][ T294] RDX: 0000000000010048 RSI: 00000000200000c0 RDI: 0000000000000003 [ 22.813141][ T294] RBP: 0000000000000003 R08: 0000000020000540 R09: 0000000000000014 [ 22.820950][ T294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff05299b40 [ 22.828762][ T294] R13: 00007fff05299b10 R14: 0000000000000001 R15: 00007fff05299b40 [ 22.836575][ T294] [ 22.839453][ T294] Modules linked in: [ 22.843250][ T294] ---[ end trace 1ba3712c5c047f80 ]--- [ 22.848494][ T294] RIP: 0010:skb_segment+0x2ebe/0x4540 [ 22.853672][ T294] Code: 30 81 7c 24 40 ff ff 00 00 0f 85 49 de ff ff e8 a8 ef 8f fd 49 8d 5c 24 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 bf 08 00 00 44 8b 2b 4c 8b b4 24 a8 00 00 [ 22.873220][ T294] RSP: 0018:ffffc90000927060 EFLAGS: 00010202 [ 22.879124][ T294] RAX: 000000000000000e RBX: 0000000000000070 RCX: dffffc0000000000 [ 22.886912][ T294] RDX: 0000000000000000 RSI: ffff88811f6f557e RDI: 000000000000ffff [ 22.894750][ T294] RBP: ffffc900009272d0 R08: ffffffff83dfedba R09: ffffffff83e4748c [ 22.902560][ T294] R10: 0000000000000002 R11: ffff88811e32e2c0 R12: 0000000000000000 [ 22.910373][ T294] R13: ffff88811f6f55d4 R14: ffff88811f6f5570 R15: 0000000000000000 [ 22.918177][ T294] FS: 000055555596d380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.926925][ T294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.933365][ T294] CR2: 0000000020010000 CR3: 000000011e5a0000 CR4: 00000000003506a0 [ 22.941182][ T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.948989][ T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.956783][ T294] Kernel panic - not syncing: Fatal exception in interrupt [ 22.964113][ T294] Kernel Offset: disabled [ 22.968247][ T294] Rebooting in 86400 seconds..