./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2718623885 <...> Warning: Permanently added '10.128.0.191' (ED25519) to the list of known hosts. execve("./syz-executor2718623885", ["./syz-executor2718623885"], 0x7fff2d32a400 /* 10 vars */) = 0 brk(NULL) = 0x55555696d000 brk(0x55555696dd00) = 0x55555696dd00 arch_prctl(ARCH_SET_FS, 0x55555696d380) = 0 set_tid_address(0x55555696d650) = 5055 set_robust_list(0x55555696d660, 24) = 0 rseq(0x55555696dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2718623885", 4096) = 28 getrandom("\xe3\x45\x96\x37\x5a\x68\xab\x15", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555696dd00 brk(0x55555698ed00) = 0x55555698ed00 brk(0x55555698f000) = 0x55555698f000 mprotect(0x7fe43f6ef000, 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./strace-static-x86_64: Process 5056 attached , child_tidptr=0x55555696d650) = 5056 [pid 5056] set_robust_list(0x55555696d660, 24) = 0 [pid 5056] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] setsid() = 1 [pid 5056] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5056] unshare(CLONE_NEWNS) = 0 [pid 5056] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5056] unshare(CLONE_NEWIPC) = 0 [pid 5056] unshare(CLONE_NEWCGROUP) = 0 [pid 5056] unshare(CLONE_NEWUTS) = 0 [pid 5056] unshare(CLONE_SYSVSEM) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "16777216", 8) = 8 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "536870912", 9) = 9 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "8192", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5056] close(3) = 0 [pid 5056] getpid() = 1 [pid 5056] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 71.569505][ T5056] ? show_regs+0x8e/0xa0 [ 71.573765][ T5056] ? __die+0x2c/0x80 [ 71.577663][ T5056] ? page_fault_oops+0x397/0xab0 [ 71.582612][ T5056] ? dump_pagetable+0x530/0x530 [ 71.587458][ T5056] ? netem_change+0x1505/0x2520 [ 71.592311][ T5056] ? netem_dump+0x1260/0x1260 [ 71.596983][ T5056] ? do_user_addr_fault+0x562/0x1020 [ 71.602267][ T5056] ? rcu_is_watching+0x12/0xb0 [ 71.607031][ T5056] ? exc_page_fault+0x5c/0xc0 [ 71.611702][ T5056] ? asm_exc_page_fault+0x26/0x30 [ 71.616728][ T5056] ? entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 71.622792][ T5056] ? qdisc_create+0xca7/0x1440 [ 71.627565][ T5056] qdisc_create+0x6c0/0x1440 [ 71.632159][ T5056] ? tc_get_qdisc+0xdf0/0xdf0 [ 71.636843][ T5056] ? __nla_parse+0x40/0x50 [ 71.641263][ T5056] tc_modify_qdisc+0x4d5/0x1c30 [ 71.646126][ T5056] ? qdisc_create+0x1440/0x1440 [ 71.650983][ T5056] ? bpf_lsm_capable+0x9/0x10 [ 71.655741][ T5056] ? security_capable+0x92/0xc0 [ 71.660687][ T5056] ? qdisc_create+0x1440/0x1440 [ 71.665540][ T5056] rtnetlink_rcv_msg+0x3c7/0xe00 [ 71.670485][ T5056] ? rtnl_fill_vf+0x490/0x490 [ 71.675166][ T5056] netlink_rcv_skb+0x16b/0x440 [ 71.679928][ T5056] ? rtnl_fill_vf+0x490/0x490 [ 71.684600][ T5056] ? netlink_ack+0x1380/0x1380 [ 71.689378][ T5056] ? netlink_deliver_tap+0x1a0/0xd00 [ 71.694662][ T5056] netlink_unicast+0x53b/0x810 [ 71.699428][ T5056] ? netlink_attachskb+0x870/0x870 [ 71.704539][ T5056] ? __phys_addr_symbol+0x30/0x70 [ 71.709575][ T5056] ? __check_object_size+0x322/0x730 [ 71.714866][ T5056] netlink_sendmsg+0x8b4/0xd70 [ 71.719632][ T5056] ? netlink_unicast+0x810/0x810 [ 71.724571][ T5056] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 71.729950][ T5056] ? netlink_unicast+0x810/0x810 [ 71.734975][ T5056] __sock_sendmsg+0xd5/0x180 [ 71.739576][ T5056] ____sys_sendmsg+0x6ac/0x940 [ 71.744433][ T5056] ? copy_msghdr_from_user+0x10b/0x160 [ 71.749977][ T5056] ? kernel_sendmsg+0x50/0x50 [ 71.754659][ T5056] ? finish_task_switch.isra.0+0x217/0xcb0 [ 71.760468][ T5056] ? __switch_to+0x749/0x1370 [ 71.765150][ T5056] ___sys_sendmsg+0x135/0x1d0 [ 71.769827][ T5056] ? do_recvmmsg+0x740/0x740 [ 71.774417][ T5056] ? lock_sync+0x190/0x190 [ 71.778828][ T5056] ? ptrace_stop.part.0+0x44a/0x930 [ 71.784030][ T5056] ? __fget_light+0x172/0x200 [ 71.788707][ T5056] __sys_sendmsg+0x117/0x1e0 [ 71.793296][ T5056] ? __sys_sendmsg_sock+0x30/0x30 [ 71.798315][ T5056] ? ptrace_notify+0xf1/0x130 [ 71.803089][ T5056] ? _raw_spin_unlock_irq+0x2e/0x50 [ 71.808296][ T5056] ? ptrace_notify+0xf1/0x130 [ 71.812974][ T5056] do_syscall_64+0xd0/0x250 [ 71.817483][ T5056] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 71.823379][ T5056] RIP: 0033:0x7fe43f677519 [ 71.827791][ T5056] 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 [ 71.847404][ T5056] RSP: 002b:00007fffba4155b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.855823][ T5056] RAX: ffffffffffffffda RBX: 00007fe43f6c4390 RCX: 00007fe43f677519 [ 71.863884][ T5056] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 71.871853][ T5056] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 71.879820][ T5056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffba415600 [ 71.887790][ T5056] R13: 00007fffba4155d0 R14: 0000000000000001 R15: 00007fffba415600 [ 71.895784][ T5056] [ 71.898795][ T5056] Modules linked in: [ 71.902678][ T5056] CR2: 0000000000000000 [ 71.906819][ T5056] ---[ end trace 0000000000000000 ]--- [ 71.912266][ T5056] RIP: 0010:0x0 [ 71.915726][ T5056] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 71.923076][ T5056] RSP: 0018:ffffc9000396f408 EFLAGS: 00010246 [ 71.929136][ T5056] RAX: dffffc0000000000 RBX: ffff88806341b000 RCX: ffffffff889a5187 [ 71.937100][ T5056] RDX: 0000000000000000 RSI: 000000000000fff2 RDI: ffff88806341b000 [ 71.945068][ T5056] RBP: ffffffff8f3b9260 R08: 0000000000000001 R09: 0000000000000000 [ 71.953032][ T5056] R10: 0000000000000001 R11: ffffffff8aa00087 R12: ffff888063ef8000 [ 71.960996][ T5056] R13: ffffffff8beef640 R14: 0000000000000010 R15: ffffffff8f3b9260 [ 71.968963][ T5056] FS: 000055555696d380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 71.977904][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.984497][ T5056] CR2: ffffffffffffffd6 CR3: 000000007cb94000 CR4: 00000000003506f0 [ 71.992472][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.000446][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.008419][ T5056] Kernel panic - not syncing: Fatal exception [ 72.014637][ T5056] Kernel Offset: disabled [ 72.018944][ T5056] Rebooting in 86400 seconds..