./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1565039747 <...> Warning: Permanently added '10.128.0.71' (ECDSA) to the list of known hosts. execve("./syz-executor1565039747", ["./syz-executor1565039747"], 0x7ffde241baf0 /* 10 vars */) = 0 brk(NULL) = 0x5555570b9000 brk(0x5555570b9c40) = 0x5555570b9c40 arch_prctl(ARCH_SET_FS, 0x5555570b9300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555570b95d0) = 3606 set_robust_list(0x5555570b95e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f80104a4ed0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f80104a55a0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f80104a4f70, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f80104a55a0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1565039747", 4096) = 28 brk(0x5555570dac40) = 0x5555570dac40 brk(0x5555570db000) = 0x5555570db000 mprotect(0x7f8010565000, 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 futex(0x7f801056b4cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8010475000 mprotect(0x7f8010476000, 131072, PROT_READ|PROT_WRITE) = 0 clone(child_stack=0x7f80104953f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3607], tls=0x7f8010495700, child_tidptr=0x7f80104959d0) = 3607 futex(0x7f801056b4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7f801056b4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3607 attached [pid 3607] set_robust_list(0x7f80104959e0, 24) = 0 [pid 3607] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 3607] futex(0x7f801056b4cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... futex resumed>) = 0 [pid 3606] futex(0x7f801056b4c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... futex resumed>) = 1 [pid 3607] readv(3, [pid 3606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3606] futex(0x7f801056b4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3606] futex(0x7f801056b4cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3606] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f8010454000 [pid 3606] mprotect(0x7f8010455000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3606] clone(child_stack=0x7f80104743f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 3608 attached , parent_tid=[3608], tls=0x7f8010474700, child_tidptr=0x7f80104749d0) = 3608 [pid 3606] futex(0x7f801056b4d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] set_robust_list(0x7f80104749e0, 24) = 0 [pid 3608] ioctl(3, TIOCSPTLCK, [0]) = 0 [pid 3608] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... futex resumed>) = 0 [pid 3606] futex(0x7f801056b4d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... futex resumed>) = 1 [pid 3608] openat(AT_FDCWD, "/dev/dlm-monitor", O_RDONLY) = 4 [pid 3608] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... futex resumed>) = 0 [pid 3606] futex(0x7f801056b4d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... futex resumed>) = 1 [pid 3608] close(4) = 0 [pid 3608] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... futex resumed>) = 0 [pid 3606] futex(0x7f801056b4d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... futex resumed>) = 1 [pid 3608] ioctl(3, TIOCGPTN, [0]) = 0 [pid 3608] openat(AT_FDCWD, "/dev/pts/0", O_RDWR) = 4 [pid 3608] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... futex resumed>) = 0 [pid 3606] futex(0x7f801056b4d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... futex resumed>) = 1 [pid 3608] dup3(4, 3, 0) = 3 [pid 3608] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... futex resumed>) = 0 [pid 3606] futex(0x7f801056b4d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... futex resumed>) = 1 [pid 3608] ioctl(4, TIOCSETD, [21]) = 0 [pid 3608] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3606] <... futex resumed>) = 0 [pid 3606] futex(0x7f801056b4d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3606] futex(0x7f801056b4dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... futex resumed>) = 1 [ 46.048918][ T3608] INFO: trying to register non-static key. [ 46.054753][ T3608] The code is fine but needs lockdep annotation, or maybe [ 46.061835][ T3608] you didn't initialize this object before use? [ 46.068047][ T3608] turning off the locking correctness validator. [ 46.074358][ T3608] CPU: 0 PID: 3608 Comm: syz-executor156 Not tainted 5.19.0-next-20220808-syzkaller #0 [ 46.083966][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 46.093998][ T3608] Call Trace: [ 46.097257][ T3608] [ 46.100171][ T3608] dump_stack_lvl+0xcd/0x134 [ 46.104760][ T3608] register_lock_class+0xf1b/0x1120 [ 46.109944][ T3608] ? is_dynamic_key.part.0+0x130/0x130 [ 46.115385][ T3608] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 46.121347][ T3608] ? __lock_acquire+0xbc3/0x56d0 [ 46.126270][ T3608] __lock_acquire+0x109/0x56d0 [ 46.131019][ T3608] ? find_held_lock+0x2d/0x110 [ 46.135765][ T3608] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 46.141729][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 46.146563][ T3608] lock_acquire+0x1ab/0x570 [ 46.151047][ T3608] ? gsmld_write+0x5e/0x140 [ 46.155533][ T3608] ? lock_release+0x780/0x780 [ 46.160194][ T3608] ? _copy_mc_to_iter+0x1430/0x1430 [ 46.165377][ T3608] ? _raw_spin_lock_irqsave+0x4e/0x50 [ 46.170738][ T3608] _raw_spin_lock_irqsave+0x39/0x50 [ 46.175930][ T3608] ? gsmld_write+0x5e/0x140 [ 46.180416][ T3608] gsmld_write+0x5e/0x140 [ 46.184729][ T3608] file_tty_write.constprop.0+0x499/0x8f0 [ 46.190430][ T3608] ? gsmtty_tiocmget+0xd0/0xd0 [ 46.195177][ T3608] vfs_write+0x9e9/0xdd0 [ 46.199404][ T3608] ? vfs_read+0x930/0x930 [ 46.203721][ T3608] ? __fget_files+0x26a/0x440 [ 46.208402][ T3608] ? __fget_light+0xe5/0x270 [ 46.212975][ T3608] ksys_write+0x127/0x250 [ 46.217288][ T3608] ? __ia32_sys_read+0xb0/0xb0 [ 46.222038][ T3608] ? lockdep_hardirqs_on+0x79/0x100 [ 46.227221][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 46.232411][ T3608] ? ptrace_notify+0xfa/0x140 [ 46.237075][ T3608] do_syscall_64+0x35/0xb0 [ 46.241474][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 46.247348][ T3608] RIP: 0033:0x7f80104e30c9 [ 46.251753][ T3608] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 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 b8 ff ff ff f7 d8 64 89 01 48 [ 46.271341][ T3608] RSP: 002b:00007f8010474268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.279733][ T3608] RAX: ffffffffffffffda RBX: 00007f801056b4d0 RCX: 00007f80104e30c9 [ 46.287695][ T3608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [pid 3608] write(3, NULL, 0 [pid 3606] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3608] <... write resumed>) = 0 [pid 3608] futex(0x7f801056b4dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 46.295661][ T3608] RBP: 00007f8010539010 R08: 0000000000000000 R09: 0000000000000000 [ 46.303619][ T3608] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8010474280 [ 46.311572][ T3608] R13: 6d74702f7665642f R14: 00007f801047427c R15: 00007f801056b4d8 [ 46.319527][ T3608] [pid 3608] futex(0x7f801056b4d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3606] exit_group(0) = ? [pid 3608] <... futex resumed>) = ? [pid 3607] <... readv resumed> ) = ? [pid 3607] +++ exited with 0 +++ [pid 3608] +++ exited with 0 +++ +++ exited with 0 +++