./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor772393094 <...> Warning: Permanently added '10.128.1.16' (ED25519) to the list of known hosts. execve("./syz-executor772393094", ["./syz-executor772393094"], 0x7ffcf534e9b0 /* 10 vars */) = 0 brk(NULL) = 0x55555747c000 brk(0x55555747cd00) = 0x55555747cd00 arch_prctl(ARCH_SET_FS, 0x55555747c380) = 0 set_tid_address(0x55555747c650) = 5058 set_robust_list(0x55555747c660, 24) = 0 rseq(0x55555747cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor772393094", 4096) = 27 getrandom("\xc8\x27\xe5\xd8\xea\x9e\x2c\xd0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555747cd00 brk(0x55555749dd00) = 0x55555749dd00 brk(0x55555749e000) = 0x55555749e000 mprotect(0x7fec40c2c000, 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=0x55555747c650) = 5059 ./strace-static-x86_64: Process 5059 attached [pid 5059] set_robust_list(0x55555747c660, 24) = 0 [pid 5059] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5059] setsid() = 1 [pid 5059] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5059] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5059] unshare(CLONE_NEWNS) = 0 [pid 5059] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5059] unshare(CLONE_NEWIPC) = 0 [pid 5059] unshare(CLONE_NEWCGROUP) = 0 [pid 5059] unshare(CLONE_NEWUTS) = 0 [pid 5059] unshare(CLONE_SYSVSEM) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "16777216", 8) = 8 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "536870912", 9) = 9 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "8192", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024", 4) = 4 [pid 5059] close(3) = 0 [pid 5059] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5059] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5059] close(3) = 0 [pid 5059] getpid() = 1 [pid 5059] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 65.134643][ T5059] ? show_regs+0x8e/0xa0 [ 65.138903][ T5059] ? __die+0x2c/0x80 [ 65.142798][ T5059] ? page_fault_oops+0x397/0xab0 [ 65.147733][ T5059] ? dump_pagetable+0x530/0x530 [ 65.152587][ T5059] ? netem_change+0x1505/0x2520 [ 65.157443][ T5059] ? netem_dump+0x1260/0x1260 [ 65.162113][ T5059] ? do_user_addr_fault+0x562/0x1020 [ 65.167394][ T5059] ? rcu_is_watching+0x12/0xb0 [ 65.172162][ T5059] ? exc_page_fault+0x5c/0xc0 [ 65.176834][ T5059] ? asm_exc_page_fault+0x26/0x30 [ 65.181856][ T5059] ? kasan_save_stack+0x33/0x50 [ 65.186698][ T5059] ? qdisc_create+0xca7/0x1440 [ 65.191464][ T5059] qdisc_create+0x6c0/0x1440 [ 65.196054][ T5059] ? tc_get_qdisc+0xdf0/0xdf0 [ 65.200732][ T5059] ? __nla_parse+0x40/0x50 [ 65.205148][ T5059] tc_modify_qdisc+0x4d5/0x1c30 [ 65.210004][ T5059] ? qdisc_create+0x1440/0x1440 [ 65.214861][ T5059] ? bpf_lsm_capable+0x9/0x10 [ 65.219533][ T5059] ? security_capable+0x92/0xc0 [ 65.224386][ T5059] ? qdisc_create+0x1440/0x1440 [ 65.229237][ T5059] rtnetlink_rcv_msg+0x3c7/0xe00 [ 65.234171][ T5059] ? rtnl_fill_vf+0x490/0x490 [ 65.238847][ T5059] netlink_rcv_skb+0x16b/0x440 [ 65.243611][ T5059] ? rtnl_fill_vf+0x490/0x490 [ 65.248284][ T5059] ? netlink_ack+0x1380/0x1380 [ 65.253049][ T5059] ? netlink_deliver_tap+0x1a0/0xd00 [ 65.258340][ T5059] netlink_unicast+0x53b/0x810 [ 65.263103][ T5059] ? netlink_attachskb+0x870/0x870 [ 65.268210][ T5059] ? __phys_addr_symbol+0x30/0x70 [ 65.273236][ T5059] ? __check_object_size+0x322/0x730 [ 65.278527][ T5059] netlink_sendmsg+0x8b4/0xd70 [ 65.283291][ T5059] ? netlink_unicast+0x810/0x810 [ 65.288227][ T5059] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 65.293514][ T5059] ? netlink_unicast+0x810/0x810 [ 65.298450][ T5059] __sock_sendmsg+0xd5/0x180 [ 65.303047][ T5059] ____sys_sendmsg+0x6ac/0x940 [ 65.307815][ T5059] ? copy_msghdr_from_user+0x10b/0x160 [ 65.313268][ T5059] ? kernel_sendmsg+0x50/0x50 [ 65.317949][ T5059] ? finish_task_switch.isra.0+0x217/0xcb0 [ 65.323756][ T5059] ? __switch_to+0x749/0x1370 [ 65.328440][ T5059] ___sys_sendmsg+0x135/0x1d0 [ 65.333115][ T5059] ? do_recvmmsg+0x740/0x740 [ 65.337698][ T5059] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 65.343686][ T5059] ? lock_sync+0x190/0x190 [ 65.348094][ T5059] ? ptrace_stop.part.0+0x44a/0x930 [ 65.353294][ T5059] ? __fget_light+0x172/0x200 [ 65.357971][ T5059] __sys_sendmsg+0x117/0x1e0 [ 65.362559][ T5059] ? __sys_sendmsg_sock+0x30/0x30 [ 65.367578][ T5059] ? ptrace_notify+0xf1/0x130 [ 65.372258][ T5059] ? _raw_spin_unlock_irq+0x2e/0x50 [ 65.377456][ T5059] ? ptrace_notify+0xf1/0x130 [ 65.382131][ T5059] do_syscall_64+0xd0/0x250 [ 65.386636][ T5059] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 65.392528][ T5059] RIP: 0033:0x7fec40bb4519 [ 65.396933][ T5059] 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 [ 65.416532][ T5059] RSP: 002b:00007ffca44371b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 65.424937][ T5059] RAX: ffffffffffffffda RBX: 00007fec40c01390 RCX: 00007fec40bb4519 [ 65.432901][ T5059] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 65.440862][ T5059] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 65.448825][ T5059] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca4437200 [ 65.456789][ T5059] R13: 00007ffca44371d0 R14: 0000000000000001 R15: 00007ffca4437200 [ 65.464757][ T5059] [ 65.467767][ T5059] Modules linked in: [ 65.471655][ T5059] CR2: 0000000000000000 [ 65.475794][ T5059] ---[ end trace 0000000000000000 ]--- [ 65.481237][ T5059] RIP: 0010:0x0 [ 65.484693][ T5059] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 65.492044][ T5059] RSP: 0018:ffffc900039bf408 EFLAGS: 00010246 [ 65.498101][ T5059] RAX: dffffc0000000000 RBX: ffff88802b4d7000 RCX: ffffffff889a5187 [ 65.506062][ T5059] RDX: 0000000000000000 RSI: 000000000000fff2 RDI: ffff88802b4d7000 [ 65.514023][ T5059] RBP: ffffffff8f3b9260 R08: 0000000000000001 R09: 0000000000000000 [ 65.521990][ T5059] R10: 0000000000000001 R11: ffffffff81dfa903 R12: ffff888079a68000 [ 65.529951][ T5059] R13: ffffffff8beef640 R14: 0000000000000010 R15: ffffffff8f3b9260 [ 65.537916][ T5059] FS: 000055555747c380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 65.546839][ T5059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.553417][ T5059] CR2: ffffffffffffffd6 CR3: 0000000022cba000 CR4: 00000000003506f0 [ 65.561381][ T5059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.569348][ T5059] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.577312][ T5059] Kernel panic - not syncing: Fatal exception [ 65.583539][ T5059] Kernel Offset: disabled [ 65.587846][ T5059] Rebooting in 86400 seconds..