./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor984442167 <...> Warning: Permanently added '10.128.1.100' (ECDSA) to the list of known hosts. execve("./syz-executor984442167", ["./syz-executor984442167"], 0x7ffe901ad720 /* 10 vars */) = 0 brk(NULL) = 0x555556307000 brk(0x555556307c40) = 0x555556307c40 arch_prctl(ARCH_SET_FS, 0x555556307300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor984442167", 4096) = 27 brk(0x555556328c40) = 0x555556328c40 brk(0x555556329000) = 0x555556329000 mprotect(0x7faed3fda000, 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 3607 attached , child_tidptr=0x5555563075d0) = 3607 [pid 3607] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3607] setsid() = 1 [pid 3607] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3607] unshare(CLONE_NEWNS) = 0 [pid 3607] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3607] unshare(CLONE_NEWIPC) = 0 [pid 3607] unshare(CLONE_NEWCGROUP) = 0 [pid 3607] unshare(CLONE_NEWUTS) = 0 [pid 3607] unshare(CLONE_SYSVSEM) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "16777216", 8) = 8 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "536870912", 9) = 9 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "8192", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3607] close(3) = 0 [pid 3607] getpid() = 1 [pid 3607] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 37.321990][ T3607] dump_stack_lvl+0xcd/0x134 [ 37.326580][ T3607] register_lock_class+0xf30/0x1130 [ 37.331753][ T3607] ? __lock_acquire+0x163e/0x5660 [ 37.336934][ T3607] ? is_dynamic_key.part.0+0x130/0x130 [ 37.342372][ T3607] ? mark_held_locks+0x9f/0xe0 [ 37.347117][ T3607] __lock_acquire+0x10a/0x5660 [ 37.351856][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 37.357029][ T3607] ? find_held_lock+0x2d/0x110 [ 37.361772][ T3607] ? debug_stats_show+0x230/0x230 [ 37.366775][ T3607] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 37.372737][ T3607] ? debug_object_free+0x1c0/0x350 [ 37.378020][ T3607] lock_acquire+0x1ab/0x570 [ 37.382512][ T3607] ? ieee80211_do_stop+0xc3/0x1ff0 [ 37.387618][ T3607] ? lock_release+0x780/0x780 [ 37.392286][ T3607] ? synchronize_rcu_expedited+0x4df/0x610 [ 37.398085][ T3607] ? wait_rcu_exp_gp+0x40/0x40 [ 37.402833][ T3607] ? find_held_lock+0x2d/0x110 [ 37.407581][ T3607] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 37.413377][ T3607] _raw_spin_lock_bh+0x2f/0x40 [ 37.418134][ T3607] ? ieee80211_do_stop+0xc3/0x1ff0 [ 37.423236][ T3607] ieee80211_do_stop+0xc3/0x1ff0 [ 37.428166][ T3607] ? mac802154_set_mac_params+0x970/0x1220 [ 37.433960][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 37.439143][ T3607] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 37.444938][ T3607] ? ieee80211_adjust_monitor_flags+0x230/0x230 [ 37.451171][ T3607] ieee80211_if_change_type+0x383/0x840 [ 37.456713][ T3607] ieee80211_change_iface+0x57/0x3f0 [ 37.461984][ T3607] cfg80211_change_iface+0x5e1/0xf10 [ 37.467258][ T3607] nl80211_set_interface+0x64f/0x8c0 [ 37.472530][ T3607] ? nl80211_notify_iface+0x180/0x180 [ 37.477887][ T3607] ? nl80211_pre_doit+0x100/0x600 [ 37.482900][ T3607] genl_family_rcv_msg_doit+0x228/0x320 [ 37.488433][ T3607] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 37.495794][ T3607] ? ns_capable+0xd9/0x100 [ 37.500199][ T3607] genl_rcv_msg+0x328/0x580 [ 37.504689][ T3607] ? genl_get_cmd+0x480/0x480 [ 37.509351][ T3607] ? nl80211_notify_iface+0x180/0x180 [ 37.514707][ T3607] ? lock_release+0x780/0x780 [ 37.519367][ T3607] netlink_rcv_skb+0x153/0x420 [ 37.524115][ T3607] ? genl_get_cmd+0x480/0x480 [ 37.528775][ T3607] ? netlink_ack+0xa80/0xa80 [ 37.533351][ T3607] ? netlink_deliver_tap+0x1b1/0xc40 [ 37.538622][ T3607] genl_rcv+0x24/0x40 [ 37.542589][ T3607] netlink_unicast+0x543/0x7f0 [ 37.547337][ T3607] ? netlink_attachskb+0x880/0x880 [ 37.552431][ T3607] ? __virt_addr_valid+0x5d/0x2d0 [ 37.557445][ T3607] ? __phys_addr_symbol+0x2c/0x70 [ 37.562541][ T3607] ? __check_object_size+0x2de/0x700 [ 37.567816][ T3607] netlink_sendmsg+0x917/0xe10 [ 37.572652][ T3607] ? netlink_unicast+0x7f0/0x7f0 [ 37.577579][ T3607] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 37.582847][ T3607] ? netlink_unicast+0x7f0/0x7f0 [ 37.587768][ T3607] sock_sendmsg+0xcf/0x120 [ 37.592173][ T3607] ____sys_sendmsg+0x6eb/0x810 [ 37.596920][ T3607] ? kernel_sendmsg+0x50/0x50 [ 37.601579][ T3607] ? do_recvmmsg+0x6d0/0x6d0 [ 37.606248][ T3607] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 37.612216][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 37.617402][ T3607] ___sys_sendmsg+0xf3/0x170 [ 37.621981][ T3607] ? sendmsg_copy_msghdr+0x160/0x160 [ 37.627253][ T3607] ? lock_release+0x780/0x780 [ 37.631910][ T3607] ? ptrace_stop.part.0+0x5ec/0xa80 [ 37.637092][ T3607] ? do_raw_spin_lock+0x120/0x2a0 [ 37.642098][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 37.647019][ T3607] ? _raw_spin_lock_irq+0x41/0x50 [ 37.652117][ T3607] ? __fget_light+0x20a/0x270 [ 37.656782][ T3607] __x64_sys_sendmsg+0x132/0x220 [ 37.661706][ T3607] ? __sys_sendmsg+0x1b0/0x1b0 [ 37.666458][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 37.671641][ T3607] ? ptrace_notify+0xfa/0x140 [ 37.676304][ T3607] do_syscall_64+0x35/0xb0 [ 37.680708][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.686674][ T3607] RIP: 0033:0x7faed3f669a9 [ 37.691074][ T3607] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 37.710666][ T3607] RSP: 002b:00007ffc1e2f4518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 37.719064][ T3607] RAX: ffffffffffffffda RBX: 00007faed3fe0380 RCX: 00007faed3f669a9 [ 37.727019][ T3607] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 37.735146][ T3607] RBP: 0000000000000003 R08: 0000000c00000000 R09: 0000000c00000000 [pid 3607] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x24\x00\x00\x00\x22\x00\x05\x00\x00\x00\x00\x00\x01\x00\x00\x00\x06\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x08\x00\x05\x00\x02\x00\x00\x00", iov_len=36}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 36 [pid 3607] exit_group(1) = ? [pid 3607] +++ exited with 1 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3607, si_uid=0, si_status=1, si_utime=0, si_stime=58} --- exit_group(0) = ? +++ exited with 0 +++ [ 37.74318