./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3341150139 <...> le) [pid 6494] <... futex resumed>) = 0 [pid 6497] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6496] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6494] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6497] <... setsockopt resumed>) = 0 [pid 6496] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6497] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6497] <... futex resumed>) = 1 [pid 6496] <... futex resumed>) = 1 [pid 6494] <... futex resumed>) = 0 [pid 6489] <... futex resumed>) = 0 [pid 6497] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6496] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6494] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6494] <... futex resumed>) = 0 [pid 6496] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6494] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6496] <... openat resumed>) = 4 [pid 6496] write(4, "5", 1) = 1 [pid 6496] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6496] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6494] exit_group(0) = ? [pid 6493] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 224.233875][ T6490] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 224.233904][ T6490] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 224.233919][ T6490] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 224.233934][ T6490] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 224.233948][ T6490] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 224.233963][ T6490] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 224.295515][ T6490] [ 224.301531][ T6492] CPU: 1 PID: 6492 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 224.312250][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 224.322321][ T6492] Call Trace: [ 224.325706][ T6492] [ 224.328648][ T6492] dump_stack_lvl+0xcd/0x134 [ 224.333269][ T6492] should_fail.cold+0x5/0xa [ 224.337794][ T6492] get_futex_key+0x5b2/0x1c50 [ 224.342500][ T6492] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 224.348504][ T6492] ? futex_setup_timer+0xf0/0xf0 [ 224.353500][ T6492] futex_wake+0xe4/0x490 [ 224.357779][ T6492] ? futex_wake_mark+0x1a0/0x1a0 [ 224.362843][ T6492] ? ptrace_stop.part.0+0x5ec/0xa80 [ 224.368079][ T6492] ? do_raw_spin_lock+0x120/0x2a0 [ 224.373229][ T6492] ? rwlock_bug.part.0+0x90/0x90 [ 224.378204][ T6492] ? _raw_spin_lock_irq+0x41/0x50 [ 224.383277][ T6492] do_futex+0x266/0x300 [ 224.387500][ T6492] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 224.393430][ T6492] ? find_held_lock+0x2d/0x110 [ 224.398239][ T6492] __x64_sys_futex+0x1b0/0x4a0 [ 224.403036][ T6492] ? do_futex+0x300/0x300 [ 224.407394][ T6492] ? _raw_spin_unlock_irq+0x1f/0x40 [ 224.412620][ T6492] ? lockdep_hardirqs_on+0x79/0x100 [ 224.417842][ T6492] ? _raw_spin_unlock_irq+0x2a/0x40 [ 224.423072][ T6492] ? ptrace_notify+0xfa/0x140 [ 224.427771][ T6492] do_syscall_64+0x35/0xb0 [ 224.432214][ T6492] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 224.438129][ T6492] RIP: 0033:0x7fc128117db9 [ 224.442558][ T6492] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 224.462267][ T6492] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 224.470693][ T6492] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 224.478675][ T6492] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 224.486656][ T6492] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 224.494826][ T6492] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6491] sendto(3, "\x01", 1, 0, NULL, 0./strace-static-x86_64: Process 6495 attached [pid 6493] <... futex resumed>) = 0 [pid 6489] exit_group(0 [pid 6497] <... futex resumed>) = ? [pid 6489] <... exit_group resumed>) = ? [pid 6497] +++ exited with 0 +++ [ 224.502799][ T6492] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 224.510796][ T6492] [ 224.514316][ T6496] CPU: 0 PID: 6496 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 224.524853][ T6496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 224.534925][ T6496] Call Trace: [ 224.538216][ T6496] [ 224.541194][ T6496] dump_stack_lvl+0xcd/0x134 [ 224.545808][ T6496] should_fail.cold+0x5/0xa [pid 6495] set_robust_list(0x5555564f35e0, 24 [pid 6491] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6495] <... set_robust_list resumed>) = 0 [pid 6493] +++ exited with 0 +++ [pid 6491] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6489] +++ exited with 0 +++ [pid 6495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6491] <... futex resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6489, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6495] <... prctl resumed>) = 0 [pid 6491] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6487] exit_group(0 [pid 6495] setpgid(0, 0 [pid 6491] <... futex resumed>) = ? [pid 6487] <... exit_group resumed>) = ? [pid 6495] <... setpgid resumed>) = 0 [pid 6491] +++ exited with 0 +++ [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6499 [pid 6495] write(3, "1000", 4) = 4 [ 224.550339][ T6496] get_futex_key+0x5b2/0x1c50 [ 224.555034][ T6496] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 224.561032][ T6496] ? futex_setup_timer+0xf0/0xf0 [ 224.566009][ T6496] futex_wake+0xe4/0x490 [ 224.570284][ T6496] ? futex_wake_mark+0x1a0/0x1a0 [ 224.575248][ T6496] ? ptrace_stop.part.0+0x5ec/0xa80 [ 224.580473][ T6496] ? do_raw_spin_lock+0x120/0x2a0 [ 224.585538][ T6496] ? rwlock_bug.part.0+0x90/0x90 [ 224.590516][ T6496] ? _raw_spin_lock_irq+0x41/0x50 [ 224.595579][ T6496] do_futex+0x266/0x300 [ 224.599753][ T6496] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 224.605658][ T6496] ? find_held_lock+0x2d/0x110 [ 224.610461][ T6496] __x64_sys_futex+0x1b0/0x4a0 [ 224.615258][ T6496] ? do_futex+0x300/0x300 [ 224.619617][ T6496] ? _raw_spin_unlock_irq+0x1f/0x40 [ 224.624853][ T6496] ? lockdep_hardirqs_on+0x79/0x100 [ 224.630077][ T6496] ? _raw_spin_unlock_irq+0x2a/0x40 [ 224.635295][ T6496] ? ptrace_notify+0xfa/0x140 [ 224.640004][ T6496] do_syscall_64+0x35/0xb0 [ 224.644446][ T6496] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 224.650364][ T6496] RIP: 0033:0x7fc128117db9 [ 224.654801][ T6496] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 224.674459][ T6496] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 224.682921][ T6496] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 224.691008][ T6496] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6495] close(3) = 0 [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6495] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6495] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6500], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6500 [pid 6495] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6500 attached [pid 6500] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6500] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6500] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6500] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6500] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... setsockopt resumed>) = 0 [pid 6500] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6500] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6500] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... setsockopt resumed>) = 0 [pid 6500] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6500] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6500] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... setsockopt resumed>) = 0 [pid 6500] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6500] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6500] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... sendto resumed>) = 1 [pid 6500] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6500] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6500] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... sendto resumed>) = 1 [pid 6500] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6500] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6500] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6495] <... futex resumed>) = 0 [pid 6500] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6495] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6500] <... openat resumed>) = 4 [pid 6500] write(4, "5", 1) = 1 [pid 6500] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6500] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6495] <... futex resumed>) = 0 [pid 6500] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6495] exit_group(0 [pid 6500] <... futex resumed>) = ? [pid 6495] <... exit_group resumed>) = ? [pid 6500] +++ exited with 0 +++ [pid 6495] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6501 ./strace-static-x86_64: Process 6501 attached [pid 6501] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6501] setpgid(0, 0) = 0 [pid 6501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6501] write(3, "1000", 4) = 4 [pid 6501] close(3) = 0 [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6501] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6501] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6501] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6502], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6502 [pid 6501] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6502 attached [pid 6502] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6502] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6502] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6501] <... futex resumed>) = 0 [pid 6502] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6501] <... futex resumed>) = 0 [pid 6502] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6502] <... setsockopt resumed>) = 0 [pid 6502] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6501] <... futex resumed>) = 0 [pid 6502] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6501] <... futex resumed>) = 0 [pid 6502] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6502] <... setsockopt resumed>) = 0 [pid 6502] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6501] <... futex resumed>) = 0 [pid 6502] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6501] <... futex resumed>) = 0 [pid 6502] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [ 224.699002][ T6496] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 224.706989][ T6496] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 224.715271][ T6496] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 224.723284][ T6496] [ 224.731854][ T6498] CPU: 1 PID: 6498 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 224.742391][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 224.752443][ T6498] Call Trace: [ 224.755731][ T6498] [ 224.758662][ T6498] dump_stack_lvl+0xcd/0x134 [ 224.763262][ T6498] should_fail.cold+0x5/0xa [ 224.767768][ T6498] get_futex_key+0x5b2/0x1c50 [ 224.772447][ T6498] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 224.778436][ T6498] ? futex_setup_timer+0xf0/0xf0 [ 224.783380][ T6498] futex_wake+0xe4/0x490 [ 224.787629][ T6498] ? futex_wake_mark+0x1a0/0x1a0 [ 224.792568][ T6498] ? ptrace_stop.part.0+0x5ec/0xa80 [ 224.797857][ T6498] ? do_raw_spin_lock+0x120/0x2a0 [ 224.802893][ T6498] ? rwlock_bug.part.0+0x90/0x90 [ 224.807830][ T6498] ? _raw_spin_lock_irq+0x41/0x50 [ 224.812863][ T6498] do_futex+0x266/0x300 [ 224.817036][ T6498] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 224.822933][ T6498] ? find_held_lock+0x2d/0x110 [ 224.827708][ T6498] __x64_sys_futex+0x1b0/0x4a0 [ 224.832477][ T6498] ? do_futex+0x300/0x300 [ 224.836805][ T6498] ? _raw_spin_unlock_irq+0x1f/0x40 [ 224.842010][ T6498] ? lockdep_hardirqs_on+0x79/0x100 [ 224.847217][ T6498] ? _raw_spin_unlock_irq+0x2a/0x40 [ 224.852428][ T6498] ? ptrace_notify+0xfa/0x140 [ 224.857111][ T6498] do_syscall_64+0x35/0xb0 [ 224.861531][ T6498] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 224.867432][ T6498] RIP: 0033:0x7fc128117db9 [ 224.871925][ T6498] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 224.891554][ T6498] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6499 attached [pid 6502] <... setsockopt resumed>) = 0 [pid 6501] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6502] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6501] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] set_robust_list(0x5555564f35e0, 24 [pid 6502] <... futex resumed>) = 0 [pid 6501] <... futex resumed>) = 0 [pid 6499] <... set_robust_list resumed>) = 0 [pid 6502] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6502] <... sendto resumed>) = 1 [pid 6499] <... prctl resumed>) = 0 [pid 6502] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] setpgid(0, 0 [pid 6502] <... futex resumed>) = 1 [pid 6501] <... futex resumed>) = 0 [pid 6499] <... setpgid resumed>) = 0 [pid 6502] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6501] <... futex resumed>) = 0 [pid 6499] <... openat resumed>) = 3 [pid 6502] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6499] write(3, "1000", 4 [pid 6502] <... sendto resumed>) = 1 [pid 6499] <... write resumed>) = 4 [pid 6502] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] close(3 [pid 6502] <... futex resumed>) = 1 [pid 6501] <... futex resumed>) = 0 [pid 6499] <... close resumed>) = 0 [pid 6502] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6501] <... futex resumed>) = 0 [pid 6499] <... futex resumed>) = 0 [ 224.900010][ T6498] RAX: ffffffffffffffda RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 224.908004][ T6498] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04bc [ 224.915996][ T6498] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 224.923992][ T6498] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 224.931983][ T6498] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 224.939987][ T6498] [pid 6502] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6501] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6502] <... openat resumed>) = 4 [pid 6499] <... mmap resumed>) = 0x7fc1280a9000 [pid 6502] write(4, "5", 1 [pid 6499] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6502] <... write resumed>) = 1 [pid 6499] <... mprotect resumed>) = 0 [pid 6502] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6499] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6502] <... setsockopt resumed>) = 0 [pid 6502] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6501] <... futex resumed>) = 0 [pid 6499] <... clone resumed>, parent_tid=[6503], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6503 [pid 6502] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6501] exit_group(0 [pid 6499] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6503 attached [pid 6502] <... futex resumed>) = ? [pid 6501] <... exit_group resumed>) = ? [pid 6499] <... futex resumed>) = 0 [pid 6503] set_robust_list(0x7fc1280c99e0, 24 [pid 6502] +++ exited with 0 +++ [pid 6501] +++ exited with 0 +++ [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] <... set_robust_list resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6501, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6503] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6503] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6503] <... futex resumed>) = 1 [pid 6499] <... futex resumed>) = 0 [pid 6503] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6504 ./strace-static-x86_64: Process 6504 attached [pid 6503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6499] <... futex resumed>) = 0 [pid 6503] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6503] <... setsockopt resumed>) = 0 [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6503] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... prctl resumed>) = 0 [pid 6503] <... futex resumed>) = 1 [pid 6499] <... futex resumed>) = 0 [pid 6504] setpgid(0, 0 [pid 6503] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... setpgid resumed>) = 0 [pid 6503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6499] <... futex resumed>) = 0 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6503] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] <... openat resumed>) = 3 [pid 6503] <... setsockopt resumed>) = 0 [pid 6504] write(3, "1000", 4 [pid 6503] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... write resumed>) = 4 [pid 6503] <... futex resumed>) = 1 [pid 6499] <... futex resumed>) = 0 [pid 6504] close(3 [pid 6503] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... close resumed>) = 0 [pid 6503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6499] <... futex resumed>) = 0 [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] <... futex resumed>) = 0 [pid 6503] <... setsockopt resumed>) = 0 [pid 6504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6503] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... mmap resumed>) = 0x7fc1280a9000 [pid 6503] <... futex resumed>) = 1 [pid 6499] <... futex resumed>) = 0 [pid 6504] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6503] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... mprotect resumed>) = 0 [pid 6503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6499] <... futex resumed>) = 0 [pid 6504] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6503] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] <... sendto resumed>) = 1 [pid 6504] <... clone resumed>, parent_tid=[6505], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6505 [pid 6503] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... futex resumed>) = 1 [pid 6499] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6505 attached [pid 6504] <... futex resumed>) = 0 [pid 6503] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] set_robust_list(0x7fc1280c99e0, 24 [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6499] <... futex resumed>) = 0 [pid 6505] <... set_robust_list resumed>) = 0 [pid 6503] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6503] <... sendto resumed>) = 1 [pid 6505] <... socket resumed>) = 3 [pid 6503] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... futex resumed>) = 1 [pid 6499] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6503] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6499] <... futex resumed>) = 0 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6503] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6499] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] <... openat resumed>) = 4 [pid 6505] <... setsockopt resumed>) = 0 [pid 6503] write(4, "5", 1 [pid 6505] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... write resumed>) = 1 [pid 6505] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6503] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6505] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... setsockopt resumed>) = 0 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6503] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6503] <... futex resumed>) = 1 [pid 6499] <... futex resumed>) = 0 [pid 6505] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6503] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6499] exit_group(0 [pid 6505] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6503] <... futex resumed>) = ? [pid 6499] <... exit_group resumed>) = ? [pid 6505] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6503] +++ exited with 0 +++ [pid 6499] +++ exited with 0 +++ [pid 6505] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6499, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6505] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6505] <... setsockopt resumed>) = 0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6505] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6505] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6505] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6506 [pid 6505] <... sendto resumed>) = 1 [pid 6505] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6506 attached ) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6506] set_robust_list(0x5555564f35e0, 24 [pid 6505] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... set_robust_list resumed>) = 0 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6505] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6506] <... prctl resumed>) = 0 [pid 6505] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6506] setpgid(0, 0 [pid 6505] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... setpgid resumed>) = 0 [pid 6505] <... futex resumed>) = 1 [pid 6504] <... futex resumed>) = 0 [pid 6506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6505] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6504] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] <... openat resumed>) = 3 [pid 6505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6504] <... futex resumed>) = 0 [pid 6506] write(3, "1000", 4 [pid 6505] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6504] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6506] <... write resumed>) = 4 [pid 6505] <... openat resumed>) = 4 [pid 6506] close(3 [pid 6505] write(4, "5", 1 [pid 6492] <... futex resumed>) = ? [pid 6506] <... close resumed>) = 0 [pid 6505] <... write resumed>) = 1 [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6505] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6506] <... futex resumed>) = 0 [pid 6505] <... setsockopt resumed>) = 0 [pid 6492] +++ exited with 0 +++ [pid 6488] +++ exited with 0 +++ [pid 6506] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6505] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6490] <... futex resumed>) = ? [pid 6506] <... mmap resumed>) = 0x7fc1280a9000 [pid 6490] +++ exited with 0 +++ [pid 6485] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6488, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 6506] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6485, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6506] <... mprotect resumed>) = 0 [pid 3607] <... restart_syscall resumed>) = 0 [pid 6506] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6507], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6507 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6506] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6508 ./strace-static-x86_64: Process 6509 attached ./strace-static-x86_64: Process 6507 attached [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] set_robust_list(0x5555564f35e0, 24 [pid 6507] set_robust_list(0x7fc1280c99e0, 24 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6509 ./strace-static-x86_64: Process 6508 attached [pid 6509] <... set_robust_list resumed>) = 0 [pid 6507] <... set_robust_list resumed>) = 0 [pid 6509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6508] set_robust_list(0x5555564f35e0, 24 [pid 6507] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6509] <... prctl resumed>) = 0 [pid 6508] <... set_robust_list resumed>) = 0 [pid 6507] <... socket resumed>) = 3 [pid 6509] setpgid(0, 0 [pid 6508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6507] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] <... setpgid resumed>) = 0 [pid 6508] <... prctl resumed>) = 0 [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [ 225.122127][ T6505] FAULT_INJECTION: forcing a failure. [ 225.122127][ T6505] name fail_futex, interval 1, probability 0, space 0, times 0 [ 225.157618][ T6505] CPU: 1 PID: 6505 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 225.168354][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 225.178422][ T6505] Call Trace: [ 225.181718][ T6505] [ 225.184651][ T6505] dump_stack_lvl+0xcd/0x134 [ 225.189283][ T6505] should_fail.cold+0x5/0xa [ 225.193806][ T6505] get_futex_key+0x5b2/0x1c50 [ 225.198498][ T6505] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 225.204494][ T6505] ? futex_setup_timer+0xf0/0xf0 [ 225.209448][ T6505] futex_wake+0xe4/0x490 [ 225.213716][ T6505] ? futex_wake_mark+0x1a0/0x1a0 [ 225.218659][ T6505] ? ptrace_stop.part.0+0x5ec/0xa80 [ 225.223863][ T6505] ? do_raw_spin_lock+0x120/0x2a0 [ 225.228910][ T6505] ? rwlock_bug.part.0+0x90/0x90 [ 225.234144][ T6505] ? _raw_spin_lock_irq+0x41/0x50 [ 225.239214][ T6505] do_futex+0x266/0x300 [ 225.243389][ T6505] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 225.249311][ T6505] ? find_held_lock+0x2d/0x110 [ 225.254104][ T6505] __x64_sys_futex+0x1b0/0x4a0 [ 225.258900][ T6505] ? do_futex+0x300/0x300 [ 225.263236][ T6505] ? _raw_spin_unlock_irq+0x1f/0x40 [ 225.268453][ T6505] ? lockdep_hardirqs_on+0x79/0x100 [ 225.273677][ T6505] ? _raw_spin_unlock_irq+0x2a/0x40 [ 225.278912][ T6505] ? ptrace_notify+0xfa/0x140 [ 225.283612][ T6505] do_syscall_64+0x35/0xb0 [ 225.288037][ T6505] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 225.293941][ T6505] RIP: 0033:0x7fc128117db9 [ 225.298361][ T6505] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6508] setpgid(0, 0 [pid 6507] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6506] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6504] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6496] <... futex resumed>) = ? [pid 6509] <... openat resumed>) = 3 [pid 6508] <... setpgid resumed>) = 0 [pid 6507] <... setsockopt resumed>) = 0 [pid 6506] <... futex resumed>) = 0 [pid 6504] exit_group(0 [pid 6509] write(3, "1000", 4 [pid 6508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6507] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6504] <... exit_group resumed>) = ? [pid 6496] +++ exited with 0 +++ [pid 6494] +++ exited with 0 +++ [pid 6509] <... write resumed>) = 4 [pid 6508] <... openat resumed>) = 3 [pid 6507] <... futex resumed>) = 0 [pid 6506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6494, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6509] close(3 [pid 6508] write(3, "1000", 4 [pid 6507] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 6509] <... close resumed>) = 0 [pid 6508] <... write resumed>) = 4 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 3614] <... restart_syscall resumed>) = 0 [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] close(3 [pid 6507] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] <... futex resumed>) = 0 [pid 6508] <... close resumed>) = 0 [pid 6507] <... setsockopt resumed>) = 0 [pid 6509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6509] <... mmap resumed>) = 0x7fc1280a9000 [pid 6508] <... futex resumed>) = 0 [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6509] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6508] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6507] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6510 ./strace-static-x86_64: Process 6510 attached [pid 6509] <... mprotect resumed>) = 0 [pid 6508] <... mmap resumed>) = 0x7fc1280a9000 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6510] set_robust_list(0x5555564f35e0, 24 [pid 6509] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6508] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6507] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6510] <... set_robust_list resumed>) = 0 [pid 6508] <... mprotect resumed>) = 0 [pid 6507] <... setsockopt resumed>) = 0 [pid 6510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6509] <... clone resumed>, parent_tid=[6511], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6511 [pid 6508] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6507] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6511 attached [pid 6510] <... prctl resumed>) = 0 [ 225.318106][ T6505] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 225.326532][ T6505] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 225.334522][ T6505] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 225.342519][ T6505] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 225.350495][ T6505] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 225.358482][ T6505] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 225.366480][ T6505] [pid 6509] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6511] set_robust_list(0x7fc1280c99e0, 24 [pid 6510] setpgid(0, 0 [pid 6509] <... futex resumed>) = 0 [pid 6508] <... clone resumed>, parent_tid=[6512], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6512 [pid 6507] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6512 attached [pid 6511] <... set_robust_list resumed>) = 0 [pid 6510] <... setpgid resumed>) = 0 [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6508] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6512] set_robust_list(0x7fc1280c99e0, 24 [pid 6511] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6508] <... futex resumed>) = 0 [pid 6507] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] <... set_robust_list resumed>) = 0 [pid 6511] <... socket resumed>) = 3 [pid 6510] <... openat resumed>) = 3 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6512] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6511] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] write(3, "1000", 4 [pid 6508] <... futex resumed>) = 0 [pid 6512] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] <... futex resumed>) = 1 [pid 6510] <... write resumed>) = 4 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... sendto resumed>) = 1 [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] close(3 [pid 6509] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6507] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... close resumed>) = 0 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6512] <... setsockopt resumed>) = 0 [pid 6511] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... setsockopt resumed>) = 0 [pid 6510] <... futex resumed>) = 0 [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = 1 [pid 6511] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6508] <... futex resumed>) = 0 [pid 6507] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] <... futex resumed>) = 1 [pid 6510] <... mmap resumed>) = 0x7fc1280a9000 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... sendto resumed>) = 1 [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6509] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6507] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... mprotect resumed>) = 0 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6512] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6511] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6510] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6506] <... futex resumed>) = 0 [pid 6512] <... futex resumed>) = 1 [pid 6511] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] <... clone resumed>, parent_tid=[6513], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6513 [pid 6508] <... futex resumed>) = 0 [pid 6507] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6506] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6513 attached [pid 6512] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] <... futex resumed>) = 1 [pid 6510] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... openat resumed>) = 4 [pid 6513] set_robust_list(0x7fc1280c99e0, 24 [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] <... futex resumed>) = 0 [pid 6509] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6507] write(4, "5", 1 [pid 6513] <... set_robust_list resumed>) = 0 [pid 6512] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... write resumed>) = 1 [pid 6513] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6512] <... setsockopt resumed>) = 0 [pid 6511] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6513] <... socket resumed>) = 3 [pid 6512] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] <... setsockopt resumed>) = 0 [pid 6507] <... setsockopt resumed>) = 0 [pid 6513] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... futex resumed>) = 1 [pid 6511] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6507] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] <... futex resumed>) = 1 [pid 6512] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6507] <... futex resumed>) = 1 [pid 6506] <... futex resumed>) = 0 [pid 6513] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = 0 [pid 6507] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6506] exit_group(0 [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... futex resumed>) = 0 [pid 6509] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] <... futex resumed>) = ? [pid 6506] <... exit_group resumed>) = ? [pid 6513] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6512] <... sendto resumed>) = 1 [pid 6511] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6507] +++ exited with 0 +++ [pid 6513] <... setsockopt resumed>) = 0 [pid 6512] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... futex resumed>) = 1 [pid 6511] <... sendto resumed>) = 1 [pid 6508] <... futex resumed>) = 0 [pid 6513] <... futex resumed>) = 1 [pid 6512] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6506] +++ exited with 0 +++ [pid 6513] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] <... futex resumed>) = 1 [pid 6510] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] <... futex resumed>) = 0 [pid 6508] <... futex resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6506, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6511] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] <... futex resumed>) = 0 [pid 6509] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6512] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] <... futex resumed>) = 0 [pid 6513] <... setsockopt resumed>) = 0 [pid 6512] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... futex resumed>) = 1 [pid 6511] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6508] <... futex resumed>) = 0 [pid 6513] <... futex resumed>) = 1 [pid 6512] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6511] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6510] <... futex resumed>) = 0 [pid 6508] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6511] <... futex resumed>) = 1 [pid 6510] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] <... futex resumed>) = 0 [pid 6508] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6511] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] <... futex resumed>) = 0 [pid 6509] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6512] <... openat resumed>) = 4 [pid 6511] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6509] <... futex resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6514 ./strace-static-x86_64: Process 6514 attached [pid 6513] <... setsockopt resumed>) = 0 [pid 6512] write(4, "5", 1 [pid 6511] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6509] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] set_robust_list(0x5555564f35e0, 24 [pid 6513] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6512] <... write resumed>) = 1 [pid 6511] <... openat resumed>) = 4 [pid 6514] <... set_robust_list resumed>) = 0 [pid 6513] <... futex resumed>) = 1 [pid 6512] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6511] write(4, "5", 1 [pid 6510] <... futex resumed>) = 0 [pid 6514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6513] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6512] <... setsockopt resumed>) = 0 [pid 6511] <... write resumed>) = 1 [pid 6510] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... prctl resumed>) = 0 [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6512] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6511] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6510] <... futex resumed>) = 0 [pid 6498] <... futex resumed>) = ? [ 225.495048][ T6512] FAULT_INJECTION: forcing a failure. [ 225.495048][ T6512] name fail_futex, interval 1, probability 0, space 0, times 0 [ 225.508820][ T6512] CPU: 1 PID: 6512 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 225.516340][ T6511] FAULT_INJECTION: forcing a failure. [ 225.516340][ T6511] name fail_futex, interval 1, probability 0, space 0, times 0 [ 225.519346][ T6512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 225.542187][ T6512] Call Trace: [pid 6514] setpgid(0, 0 [pid 6513] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6511] <... setsockopt resumed>) = 0 [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6505] <... futex resumed>) = ? [pid 6498] +++ exited with 0 +++ [pid 6487] +++ exited with 0 +++ [pid 6514] <... setpgid resumed>) = 0 [pid 6513] <... sendto resumed>) = 1 [pid 6511] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6513] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... openat resumed>) = 3 [pid 6513] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6514] write(3, "1000", 4 [pid 6513] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... write resumed>) = 4 [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... futex resumed>) = 0 [pid 6514] close(3 [pid 6513] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] <... close resumed>) = 0 [pid 6513] <... sendto resumed>) = 1 [pid 6514] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... futex resumed>) = 0 [pid 6513] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6513] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] <... mmap resumed>) = 0x7fc1280a9000 [pid 6513] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6510] <... futex resumed>) = 0 [pid 6514] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6513] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6510] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6514] <... mprotect resumed>) = 0 [pid 6513] <... openat resumed>) = 4 [pid 6514] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6513] write(4, "5", 1) = 1 [pid 6514] <... clone resumed>, parent_tid=[6515], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6515 [pid 6513] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6514] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6513] <... setsockopt resumed>) = 0 [pid 6509] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6514] <... futex resumed>) = 0 [pid 6513] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] exit_group(0 [pid 6514] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6513] <... futex resumed>) = 1 [pid 6510] <... futex resumed>) = 0 [pid 6509] <... exit_group resumed>) = ? [pid 6513] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6510] exit_group(0 [pid 6513] <... futex resumed>) = ? [pid 6510] <... exit_group resumed>) = ? [pid 6513] +++ exited with 0 +++ [pid 6510] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6510, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6516 [pid 6514] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 225.545489][ T6512] [ 225.548435][ T6512] dump_stack_lvl+0xcd/0x134 [ 225.553050][ T6512] should_fail.cold+0x5/0xa [ 225.557571][ T6512] get_futex_key+0x5b2/0x1c50 [ 225.562269][ T6512] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 225.568282][ T6512] ? futex_setup_timer+0xf0/0xf0 [ 225.573263][ T6512] futex_wake+0xe4/0x490 [ 225.577536][ T6512] ? futex_wake_mark+0x1a0/0x1a0 [ 225.582486][ T6512] ? ptrace_stop.part.0+0x5ec/0xa80 [ 225.587700][ T6512] ? do_raw_spin_lock+0x120/0x2a0 [pid 6514] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6514] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6514] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6517], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6517 [pid 6514] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 225.592740][ T6512] ? rwlock_bug.part.0+0x90/0x90 [ 225.597788][ T6512] ? _raw_spin_lock_irq+0x41/0x50 [ 225.602832][ T6512] do_futex+0x266/0x300 [ 225.607007][ T6512] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 225.612935][ T6512] ? find_held_lock+0x2d/0x110 [ 225.617739][ T6512] __x64_sys_futex+0x1b0/0x4a0 [ 225.622525][ T6512] ? do_futex+0x300/0x300 [ 225.626855][ T6512] ? _raw_spin_unlock_irq+0x1f/0x40 [ 225.632059][ T6512] ? lockdep_hardirqs_on+0x79/0x100 [ 225.637282][ T6512] ? _raw_spin_unlock_irq+0x2a/0x40 [ 225.642483][ T6512] ? ptrace_notify+0xfa/0x140 [ 225.647167][ T6512] do_syscall_64+0x35/0xb0 [ 225.651589][ T6512] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 225.657489][ T6512] RIP: 0033:0x7fc128117db9 [ 225.661907][ T6512] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 225.681522][ T6512] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6514] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6487, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 6514] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6517 attached ./strace-static-x86_64: Process 6516 attached ./strace-static-x86_64: Process 6515 attached [pid 6514] <... futex resumed>) = 0 [pid 6505] +++ exited with 0 +++ [pid 6504] +++ exited with 0 +++ [pid 6517] set_robust_list(0x7fc1280a89e0, 24 [pid 6514] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6504, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6517] <... set_robust_list resumed>) = 0 [pid 6514] <... mmap resumed>) = 0x7fc128067000 [ 225.689937][ T6512] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 225.697912][ T6512] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 225.706936][ T6512] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 225.714904][ T6512] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 225.722878][ T6512] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 225.730884][ T6512] [pid 6517] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6514] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE [pid 6517] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6514] <... mprotect resumed>) = 0 [pid 6517] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6514] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6517] <... futex resumed>) = 0 [pid 6517] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] <... clone resumed>, parent_tid=[6518], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6518 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6514] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6519 [pid 6514] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6519 attached ./strace-static-x86_64: Process 6518 attached [pid 6519] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6518] set_robust_list(0x7fc1280879e0, 24 [pid 6519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6518] <... set_robust_list resumed>) = 0 [pid 6519] <... prctl resumed>) = 0 [pid 6518] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6519] setpgid(0, 0 [pid 6518] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6519] <... setpgid resumed>) = 0 [pid 6518] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6518] <... futex resumed>) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6519] <... openat resumed>) = 3 [pid 6518] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] write(3, "1000", 4 [pid 6517] <... futex resumed>) = 0 [pid 6514] <... futex resumed>) = 1 [pid 6519] <... write resumed>) = 4 [pid 6517] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6514] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] close(3 [pid 6517] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6519] <... close resumed>) = 0 [pid 6517] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] <... futex resumed>) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6519] <... futex resumed>) = 0 [pid 6517] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... futex resumed>) = 0 [pid 6519] <... mmap resumed>) = 0x7fc1280a9000 [pid 6517] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6514] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6517] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6519] <... mprotect resumed>) = 0 [pid 6517] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6517] <... futex resumed>) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6517] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6519] <... clone resumed>, parent_tid=[6520], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6520 [pid 6517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... futex resumed>) = 0 [pid 6519] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6514] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6519] <... futex resumed>) = 0 [pid 6517] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [ 225.738533][ T6511] CPU: 1 PID: 6511 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 225.749085][ T6511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 225.759169][ T6511] Call Trace: [ 225.762466][ T6511] [ 225.765417][ T6511] dump_stack_lvl+0xcd/0x134 [ 225.770042][ T6511] should_fail.cold+0x5/0xa [ 225.774578][ T6511] get_futex_key+0x5b2/0x1c50 [ 225.779298][ T6511] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 225.785317][ T6511] ? futex_setup_timer+0xf0/0xf0 [ 225.790298][ T6511] futex_wake+0xe4/0x490 [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6517] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6520 attached ) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6520] set_robust_list(0x7fc1280c99e0, 24 [pid 6517] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6514] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... set_robust_list resumed>) = 0 [pid 6517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6514] <... futex resumed>) = 0 [pid 6520] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6517] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6514] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... socket resumed>) = 3 [pid 6517] <... openat resumed>) = 3 [pid 6520] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] write(3, "5", 1 [pid 6520] <... futex resumed>) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6517] <... write resumed>) = 1 [pid 6520] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6517] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6520] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6517] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... setsockopt resumed>) = 0 [pid 6517] <... futex resumed>) = 1 [pid 6514] <... futex resumed>) = 0 [pid 6520] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6517] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6520] <... futex resumed>) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6520] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6520] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... setsockopt resumed>) = 0 [pid 6520] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6520] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6520] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... setsockopt resumed>) = 0 [pid 6520] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6520] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6520] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... sendto resumed>) = 1 [pid 6520] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6520] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6520] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... sendto resumed>) = 1 [ 225.794585][ T6511] ? futex_wake_mark+0x1a0/0x1a0 [ 225.799554][ T6511] ? ptrace_stop.part.0+0x5ec/0xa80 [ 225.804791][ T6511] ? do_raw_spin_lock+0x120/0x2a0 [ 225.809846][ T6511] ? rwlock_bug.part.0+0x90/0x90 [ 225.814807][ T6511] ? _raw_spin_lock_irq+0x41/0x50 [ 225.819871][ T6511] do_futex+0x266/0x300 [ 225.824063][ T6511] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 225.829993][ T6511] ? find_held_lock+0x2d/0x110 [ 225.834802][ T6511] __x64_sys_futex+0x1b0/0x4a0 [ 225.839644][ T6511] ? do_futex+0x300/0x300 [pid 6520] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6520] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6519] <... futex resumed>) = 0 [pid 6520] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6519] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6520] <... openat resumed>) = 4 [pid 6520] write(4, "5", 1) = 1 [pid 6520] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6520] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6519] <... futex resumed>) = 0 [pid 6520] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6519] exit_group(0 [pid 6520] <... futex resumed>) = ? [pid 6519] <... exit_group resumed>) = ? [pid 6520] +++ exited with 0 +++ [pid 6519] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6519, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6521 ./strace-static-x86_64: Process 6521 attached [pid 6521] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6521] setpgid(0, 0) = 0 [pid 6521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6521] write(3, "1000", 4) = 4 [pid 6521] close(3) = 0 [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6521] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6521] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6522], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6522 [pid 6521] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6508] exit_group(0 [pid 6521] <... futex resumed>) = 0 [pid 6508] <... exit_group resumed>) = ? [ 225.844004][ T6511] ? _raw_spin_unlock_irq+0x1f/0x40 [ 225.849237][ T6511] ? lockdep_hardirqs_on+0x79/0x100 [ 225.854469][ T6511] ? _raw_spin_unlock_irq+0x2a/0x40 [ 225.859699][ T6511] ? ptrace_notify+0xfa/0x140 [ 225.864417][ T6511] do_syscall_64+0x35/0xb0 [ 225.868867][ T6511] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 225.874795][ T6511] RIP: 0033:0x7fc128117db9 [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6522 attached [pid 6522] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6522] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6522] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6522] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [pid 6522] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] <... setsockopt resumed>) = 0 [pid 6522] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6522] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [pid 6522] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] <... setsockopt resumed>) = 0 [pid 6522] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6522] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [pid 6522] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] <... setsockopt resumed>) = 0 [pid 6522] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6522] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [pid 6522] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] <... sendto resumed>) = 1 [pid 6522] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6522] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [ 225.879240][ T6511] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 225.898885][ T6511] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 225.907333][ T6511] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 225.915336][ T6511] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 225.923339][ T6511] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 225.931339][ T6511] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 225.939339][ T6511] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6522] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6522] <... sendto resumed>) = 1 [pid 6522] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] set_robust_list(0x5555564f35e0, 24 [pid 6515] set_robust_list(0x7fc1280c99e0, 24 [pid 6522] <... futex resumed>) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6516] <... set_robust_list resumed>) = 0 [pid 6515] <... set_robust_list resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6522] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6521] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6515] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6512] <... futex resumed>) = ? [pid 6511] <... futex resumed>) = ? ./strace-static-x86_64: Process 6523 attached [pid 6522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6521] <... futex resumed>) = 0 [pid 6516] <... prctl resumed>) = 0 [pid 6515] <... socket resumed>) = 4 [pid 6522] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6521] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6512] +++ exited with 0 +++ [pid 6516] setpgid(0, 0 [pid 6511] +++ exited with 0 +++ [pid 6523] set_robust_list(0x5555564f35e0, 24 [pid 6515] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6509] +++ exited with 0 +++ [pid 6508] +++ exited with 0 +++ [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6523 [pid 6523] <... set_robust_list resumed>) = 0 [pid 6522] <... openat resumed>) = 4 [pid 6516] <... setpgid resumed>) = 0 [pid 6515] <... futex resumed>) = 0 [pid 6514] exit_group(0 [pid 6523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6522] write(4, "5", 1 [pid 6518] <... futex resumed>) = ? [pid 6517] <... futex resumed>) = ? [pid 6516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6514] <... exit_group resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6509, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6508, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6523] <... prctl resumed>) = 0 [pid 6522] <... write resumed>) = 1 [pid 6518] +++ exited with 0 +++ [pid 6516] <... openat resumed>) = 3 [pid 6515] +++ exited with 0 +++ [pid 6523] setpgid(0, 0 [pid 6516] write(3, "1000", 4 [pid 6523] <... setpgid resumed>) = 0 [pid 6516] <... write resumed>) = 4 [pid 6523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6516] close(3 [pid 6523] <... openat resumed>) = 3 [pid 6516] <... close resumed>) = 0 [pid 6523] write(3, "1000", 4 [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... write resumed>) = 4 [pid 6516] <... futex resumed>) = 0 [pid 6523] close(3 [pid 6516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6523] <... close resumed>) = 0 [pid 6516] <... mmap resumed>) = 0x7fc1280a9000 [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6523] <... futex resumed>) = 0 [pid 6516] <... mprotect resumed>) = 0 [pid 6523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6516] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6523] <... mmap resumed>) = 0x7fc1280a9000 [pid 6522] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6523] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6516] <... clone resumed>, parent_tid=[6524], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6524 [pid 6523] <... mprotect resumed>) = 0 [pid 6516] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6516] <... futex resumed>) = 0 [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6523] <... clone resumed>, parent_tid=[6525], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6525 [pid 6523] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... restart_syscall resumed>) = 0 [pid 6522] <... setsockopt resumed>) = 0 [pid 6522] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6526 [pid 6522] <... futex resumed>) = 1 [pid 6521] <... futex resumed>) = 0 [pid 6521] exit_group(0) = ? [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6524 attached [pid 6524] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6524] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6524] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6516] <... futex resumed>) = 0 [pid 6524] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6516] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6516] <... futex resumed>) = 0 [pid 6524] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6524] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 6527 attached [pid 6524] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6522] +++ exited with 0 +++ [pid 6521] +++ exited with 0 +++ [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6527 ./strace-static-x86_64: Process 6526 attached ./strace-static-x86_64: Process 6525 attached [pid 6527] set_robust_list(0x5555564f35e0, 24 [pid 6524] <... futex resumed>) = 1 [pid 6516] <... futex resumed>) = 0 [pid 6527] <... set_robust_list resumed>) = 0 [pid 6524] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6516] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6516] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6521, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6527] <... prctl resumed>) = 0 [pid 6524] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 6527] setpgid(0, 0 [pid 6524] <... setsockopt resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 6527] <... setpgid resumed>) = 0 [pid 6524] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6526] set_robust_list(0x5555564f35e0, 24 [pid 6524] <... futex resumed>) = 1 [pid 6516] <... futex resumed>) = 0 [pid 6527] <... openat resumed>) = 3 [pid 6526] <... set_robust_list resumed>) = 0 [pid 6525] set_robust_list(0x7fc1280c99e0, 24 [pid 6524] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6516] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] write(3, "1000", 4 [pid 6526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6516] <... futex resumed>) = 0 [pid 6527] <... write resumed>) = 4 [pid 6524] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] <... prctl resumed>) = 0 [pid 6525] <... set_robust_list resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6527] close(3 [pid 6524] <... setsockopt resumed>) = 0 [pid 6527] <... close resumed>) = 0 [pid 6524] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] <... futex resumed>) = 1 [pid 6516] <... futex resumed>) = 0 [pid 6527] <... futex resumed>) = 0 [pid 6526] setpgid(0, 0 [pid 6525] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6524] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 225.947355][ T6511] [ 225.966777][ T6517] FAULT_INJECTION: forcing a failure. [ 225.966777][ T6517] name fail_futex, interval 1, probability 0, space 0, times 0 [ 226.000804][ T6517] CPU: 1 PID: 6517 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 226.011357][ T6517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 226.021415][ T6517] Call Trace: [ 226.024696][ T6517] [ 226.027634][ T6517] dump_stack_lvl+0xcd/0x134 [ 226.032249][ T6517] should_fail.cold+0x5/0xa [ 226.036764][ T6517] get_futex_key+0x11d2/0x1c50 [ 226.041537][ T6517] ? futex_setup_timer+0xf0/0xf0 [ 226.046483][ T6517] futex_wake+0xe4/0x490 [ 226.050734][ T6517] ? futex_wake_mark+0x1a0/0x1a0 [ 226.055688][ T6517] ? find_held_lock+0x2d/0x110 [ 226.060468][ T6517] do_futex+0x266/0x300 [ 226.064625][ T6517] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 226.070615][ T6517] mm_release+0x235/0x2c0 [ 226.074951][ T6517] do_exit+0x8a0/0x29d0 [ 226.079111][ T6517] ? find_held_lock+0x2d/0x110 [ 226.083885][ T6517] ? mm_update_next_owner+0x7a0/0x7a0 [ 226.089262][ T6517] ? lock_downgrade+0x6e0/0x6e0 [ 226.094207][ T6517] do_group_exit+0xd2/0x2f0 [ 226.098720][ T6517] get_signal+0x2542/0x2600 [ 226.103236][ T6517] ? exit_signals+0x8b0/0x8b0 [ 226.107913][ T6517] ? userns_owner+0x40/0x40 [ 226.112427][ T6517] ? __task_pid_nr_ns+0x168/0x4b0 [ 226.117455][ T6517] ? lock_downgrade+0x6e0/0x6e0 [ 226.122310][ T6517] arch_do_signal_or_restart+0x82/0x2300 [ 226.127946][ T6517] ? from_kuid_munged+0xa2/0x130 [ 226.132890][ T6517] ? find_held_lock+0x2d/0x110 [ 226.137657][ T6517] ? get_sigframe_size+0x10/0x10 [ 226.142695][ T6517] ? ptrace_notify+0xfa/0x140 [ 226.147404][ T6517] ? lock_downgrade+0x6e0/0x6e0 [ 226.152272][ T6517] ? send_sig+0xfe/0x160 [ 226.156517][ T6517] ? send_sig_info+0x140/0x140 [ 226.161299][ T6517] ? exit_to_user_mode_prepare+0x137/0x250 [ 226.167122][ T6517] exit_to_user_mode_prepare+0x15f/0x250 [ 226.172776][ T6517] syscall_exit_to_user_mode+0x19/0x50 [ 226.178248][ T6517] do_syscall_64+0x42/0xb0 [ 226.182752][ T6517] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 226.188655][ T6517] RIP: 0033:0x7fc128117db9 [ 226.193071][ T6517] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 226.212686][ T6517] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 226.221104][ T6517] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 226.229076][ T6517] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 226.237046][ T6517] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6516] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6528 attached [pid 6527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6526] <... setpgid resumed>) = 0 [pid 6525] <... socket resumed>) = 3 [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6516] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6528 [pid 6528] set_robust_list(0x5555564f35e0, 24 [pid 6527] <... mmap resumed>) = 0x7fc1280a9000 [pid 6526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6525] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6523] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6528] <... set_robust_list resumed>) = 0 [pid 6527] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6526] <... openat resumed>) = 3 [pid 6525] <... futex resumed>) = 0 [pid 6528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6527] <... mprotect resumed>) = 0 [pid 6526] write(3, "1000", 4 [pid 6525] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6523] <... futex resumed>) = 0 [pid 6528] <... prctl resumed>) = 0 [pid 6527] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6526] <... write resumed>) = 4 [pid 6525] <... setsockopt resumed>) = 0 [pid 6524] <... sendto resumed>) = 1 [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6517] +++ exited with 0 +++ [pid 6514] +++ exited with 0 +++ ./strace-static-x86_64: Process 6529 attached [pid 6528] setpgid(0, 0 [pid 6526] close(3 [pid 6525] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6514, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6529] set_robust_list(0x7fc1280c99e0, 24 [pid 6528] <... setpgid resumed>) = 0 [pid 6527] <... clone resumed>, parent_tid=[6529], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6529 [pid 6526] <... close resumed>) = 0 [pid 6525] <... futex resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6523] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] <... futex resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6529] <... set_robust_list resumed>) = 0 [pid 6528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6527] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6524] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = 0 [pid 6516] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6529] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6528] <... openat resumed>) = 3 [pid 6527] <... futex resumed>) = 0 [pid 6526] <... futex resumed>) = 0 [pid 6525] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] <... futex resumed>) = 0 [pid 6529] <... socket resumed>) = 3 [pid 6528] write(3, "1000", 4 [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6525] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6529] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... write resumed>) = 4 [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] <... mmap resumed>) = 0x7fc1280a9000 [pid 6525] <... futex resumed>) = 0 [pid 6524] <... sendto resumed>) = 1 [pid 6523] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... futex resumed>) = 0 [pid 6528] close(3 [pid 6527] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6525] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6524] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6529] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6528] <... close resumed>) = 0 [pid 6527] <... futex resumed>) = 0 [pid 6526] <... mprotect resumed>) = 0 [pid 6525] <... setsockopt resumed>) = 0 [pid 6524] <... futex resumed>) = 1 [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] <... futex resumed>) = 0 [pid 6529] <... setsockopt resumed>) = 0 [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6525] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6516] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... futex resumed>) = 0 [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6523] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] <... futex resumed>) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6528] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6527] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] <... futex resumed>) = 0 [pid 6524] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6523] <... futex resumed>) = 0 [pid 6516] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6530 [pid 6529] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6528] <... mmap resumed>) = 0x7fc1280a9000 [pid 6527] <... futex resumed>) = 0 [pid 6526] <... clone resumed>, parent_tid=[6531], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6531 [pid 6525] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6524] <... openat resumed>) = 4 [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6530 attached [pid 6529] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6528] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] write(4, "5", 1./strace-static-x86_64: Process 6531 attached [pid 6530] set_robust_list(0x5555564f35e0, 24 [pid 6529] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] <... mprotect resumed>) = 0 [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] <... futex resumed>) = 0 [pid 6525] <... sendto resumed>) = 1 [pid 6524] <... write resumed>) = 1 [pid 6531] set_robust_list(0x7fc1280c99e0, 24 [pid 6530] <... set_robust_list resumed>) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6528] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6527] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6531] <... set_robust_list resumed>) = 0 [pid 6530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6529] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6527] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = 1 [pid 6524] <... setsockopt resumed>) = 0 [pid 6523] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6532 attached [pid 6531] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6530] <... prctl resumed>) = 0 [pid 6529] <... setsockopt resumed>) = 0 [pid 6528] <... clone resumed>, parent_tid=[6532], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6532 [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6524] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... socket resumed>) = 3 [pid 6530] setpgid(0, 0 [pid 6529] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6528] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6524] <... futex resumed>) = 1 [pid 6523] <... futex resumed>) = 0 [pid 6516] <... futex resumed>) = 0 [pid 6531] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] <... setpgid resumed>) = 0 [pid 6529] <... futex resumed>) = 0 [pid 6528] <... futex resumed>) = 0 [pid 6527] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6524] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6516] exit_group(0 [pid 6532] set_robust_list(0x7fc1280c99e0, 24 [pid 6531] <... futex resumed>) = 1 [pid 6530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... futex resumed>) = 0 [pid 6526] <... futex resumed>) = 0 [pid 6525] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6524] <... futex resumed>) = ? [pid 6516] <... exit_group resumed>) = ? [pid 6532] <... set_robust_list resumed>) = 0 [pid 6531] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] <... openat resumed>) = 3 [pid 6529] <... sendto resumed>) = 1 [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6524] +++ exited with 0 +++ [pid 6532] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = 1 [pid 6532] <... socket resumed>) = 3 [pid 6531] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6530] write(3, "1000", 4 [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6523] <... futex resumed>) = 0 [ 226.245015][ T6517] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 226.252983][ T6517] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 226.261065][ T6517] [pid 6532] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... setsockopt resumed>) = 0 [pid 6530] <... write resumed>) = 4 [pid 6529] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6523] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6516] +++ exited with 0 +++ [pid 6532] <... futex resumed>) = 1 [pid 6531] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] close(3 [pid 6529] <... futex resumed>) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6527] <... futex resumed>) = 0 [pid 6525] <... futex resumed>) = 0 [pid 6523] <... futex resumed>) = 1 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6516, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6532] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6531] <... futex resumed>) = 1 [pid 6530] <... close resumed>) = 0 [pid 6529] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... futex resumed>) = 0 [pid 6525] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6523] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6531] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6528] <... futex resumed>) = 0 [pid 6527] <... futex resumed>) = 0 [pid 6526] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] <... openat resumed>) = 4 [pid 6532] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] <... futex resumed>) = 0 [pid 6529] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6526] <... futex resumed>) = 0 [pid 6525] write(4, "5", 1 [pid 6532] <... setsockopt resumed>) = 0 [pid 6531] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6529] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6525] <... write resumed>) = 1 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6532] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... setsockopt resumed>) = 0 [pid 6530] <... mmap resumed>) = 0x7fc1280a9000 [pid 6529] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6532] <... futex resumed>) = 1 [pid 6531] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6528] <... futex resumed>) = 0 [pid 6529] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6533 attached [pid 6532] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6531] <... futex resumed>) = 1 [pid 6530] <... mprotect resumed>) = 0 [pid 6529] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6527] <... futex resumed>) = 0 [pid 6526] <... futex resumed>) = 0 [pid 6525] <... setsockopt resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6533 [pid 6532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6531] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6528] <... futex resumed>) = 0 [pid 6527] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6525] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] set_robust_list(0x5555564f35e0, 24 [pid 6532] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6529] <... futex resumed>) = 0 [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6527] <... futex resumed>) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6532] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6531] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... setsockopt resumed>) = 0 [pid 6532] <... futex resumed>) = 0 [pid 6531] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6531] <... futex resumed>) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6531] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6534 attached [pid 6531] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] set_robust_list(0x7fc1280c99e0, 24 [pid 6531] <... sendto resumed>) = 1 [pid 6534] <... set_robust_list resumed>) = 0 [pid 6531] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6531] <... futex resumed>) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6531] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] <... futex resumed>) = 0 [pid 6531] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6531] <... sendto resumed>) = 1 [pid 6531] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6531] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6526] <... futex resumed>) = 0 [pid 6531] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6526] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... set_robust_list resumed>) = 0 [pid 6531] <... openat resumed>) = 4 [ 226.326496][ T6525] FAULT_INJECTION: forcing a failure. [ 226.326496][ T6525] name fail_futex, interval 1, probability 0, space 0, times 0 [ 226.341694][ T6525] CPU: 1 PID: 6525 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 226.352260][ T6525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 226.357622][ T6532] FAULT_INJECTION: forcing a failure. [ 226.357622][ T6532] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6530] <... clone resumed>, parent_tid=[6534], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6534 [pid 6529] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6528] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6527] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6531] write(4, "5", 1) = 1 [pid 6531] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6531] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6526] <... futex resumed>) = 0 [pid 6531] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6526] exit_group(0 [pid 6531] <... futex resumed>) = ? [pid 6528] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6526] <... exit_group resumed>) = ? [pid 6532] <... futex resumed>) = 0 [pid 6531] +++ exited with 0 +++ [pid 6528] <... futex resumed>) = 1 [pid 6526] +++ exited with 0 +++ [pid 6532] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] <... setsockopt resumed>) = 0 [pid 6532] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6532] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6528] <... futex resumed>) = 0 [pid 6532] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] <... sendto resumed>) = 1 [pid 6532] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6532] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6528] <... futex resumed>) = 0 [pid 6532] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6532] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6528] <... futex resumed>) = 0 [pid 6532] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6528] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6528] <... futex resumed>) = 0 [pid 6532] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6528] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6532] <... openat resumed>) = 4 [pid 6532] write(4, "5", 1) = 1 [pid 6532] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6532] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] <... openat resumed>) = 4 [pid 6534] <... futex resumed>) = 0 [pid 6530] <... futex resumed>) = 1 [pid 6534] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6529] write(4, "5", 1 [pid 6528] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6534] <... socket resumed>) = 3 [pid 6529] <... write resumed>) = 1 [pid 6528] exit_group(0 [pid 6534] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6528] <... exit_group resumed>) = ? [pid 6534] <... futex resumed>) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6529] <... setsockopt resumed>) = 0 [pid 6534] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [ 226.362345][ T6525] Call Trace: [ 226.362356][ T6525] [ 226.362365][ T6525] dump_stack_lvl+0xcd/0x134 [ 226.362398][ T6525] should_fail.cold+0x5/0xa [ 226.390525][ T6525] get_futex_key+0x5b2/0x1c50 [ 226.395225][ T6525] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 226.401232][ T6525] ? futex_setup_timer+0xf0/0xf0 [ 226.406204][ T6525] futex_wake+0xe4/0x490 [ 226.410487][ T6525] ? futex_wake_mark+0x1a0/0x1a0 [ 226.412584][ T6529] FAULT_INJECTION: forcing a failure. [pid 6530] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6529] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... setsockopt resumed>) = 0 [pid 6530] <... futex resumed>) = 0 [pid 6534] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... futex resumed>) = 0 [pid 6530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6534] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] <... futex resumed>) = 0 [pid 6534] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... setsockopt resumed>) = 0 [pid 6534] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6534] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] <... futex resumed>) = 0 [pid 6534] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... setsockopt resumed>) = 0 [pid 6534] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6534] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] <... futex resumed>) = 0 [pid 6534] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... sendto resumed>) = 1 [pid 6534] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6534] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] <... futex resumed>) = 0 [pid 6534] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... sendto resumed>) = 1 [pid 6534] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [pid 6534] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6530] <... futex resumed>) = 0 [pid 6534] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6530] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6534] <... openat resumed>) = 4 [pid 6534] write(4, "5", 1) = 1 [pid 6534] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6534] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6530] <... futex resumed>) = 0 [ 226.412584][ T6529] name fail_futex, interval 1, probability 0, space 0, times 0 [ 226.415523][ T6525] ? ptrace_stop.part.0+0x5ec/0xa80 [ 226.415554][ T6525] ? do_raw_spin_lock+0x120/0x2a0 [ 226.438536][ T6525] ? rwlock_bug.part.0+0x90/0x90 [ 226.443527][ T6525] ? _raw_spin_lock_irq+0x41/0x50 [ 226.448584][ T6525] do_futex+0x266/0x300 [ 226.452868][ T6525] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 226.458789][ T6525] ? find_held_lock+0x2d/0x110 [ 226.463593][ T6525] __x64_sys_futex+0x1b0/0x4a0 [ 226.468377][ T6525] ? do_futex+0x300/0x300 [pid 6534] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6530] exit_group(0 [pid 6534] <... futex resumed>) = ? [pid 6530] <... exit_group resumed>) = ? [pid 6534] +++ exited with 0 +++ [pid 6530] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6530, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6535 ./strace-static-x86_64: Process 6535 attached [pid 6535] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6535] setpgid(0, 0) = 0 [pid 6535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6535] write(3, "1000", 4) = 4 [pid 6535] close(3) = 0 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6535] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6535] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6536], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6536 [pid 6535] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6536 attached [pid 6536] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6536] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6536] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6536] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6535] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... setsockopt resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6536] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 226.472711][ T6525] ? _raw_spin_unlock_irq+0x1f/0x40 [ 226.477930][ T6525] ? lockdep_hardirqs_on+0x79/0x100 [ 226.483158][ T6525] ? _raw_spin_unlock_irq+0x2a/0x40 [ 226.488388][ T6525] ? ptrace_notify+0xfa/0x140 [ 226.493180][ T6525] do_syscall_64+0x35/0xb0 [ 226.497623][ T6525] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 226.503531][ T6525] RIP: 0033:0x7fc128117db9 [ 226.507958][ T6525] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6536] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6535] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... setsockopt resumed>) = 0 [pid 6535] <... futex resumed>) = 0 [pid 6536] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6536] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6535] <... futex resumed>) = 0 [pid 6536] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... setsockopt resumed>) = 0 [pid 6536] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6536] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6535] <... futex resumed>) = 0 [pid 6536] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... sendto resumed>) = 1 [pid 6536] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6536] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6535] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... sendto resumed>) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6536] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... futex resumed>) = 0 [pid 6535] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6536] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6535] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6536] <... openat resumed>) = 4 [pid 6535] <... futex resumed>) = 0 [pid 6536] write(4, "5", 1 [pid 6535] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6536] <... write resumed>) = 1 [pid 6536] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6536] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6535] <... futex resumed>) = 0 [pid 6536] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6535] exit_group(0 [pid 6536] <... futex resumed>) = ? [pid 6535] <... exit_group resumed>) = ? [pid 6536] +++ exited with 0 +++ [pid 6535] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6535, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 226.527594][ T6525] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 226.536027][ T6525] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 226.544019][ T6525] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 226.551997][ T6525] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 226.559987][ T6525] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 226.567981][ T6525] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6533] <... prctl resumed>) = 0 [pid 6527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6526, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6537 [pid 6523] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 226.575993][ T6525] [ 226.582921][ T6532] CPU: 0 PID: 6532 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 226.593435][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 226.603500][ T6532] Call Trace: [ 226.606778][ T6532] [ 226.609733][ T6532] dump_stack_lvl+0xcd/0x134 [ 226.614338][ T6532] should_fail.cold+0x5/0xa [ 226.618864][ T6532] get_futex_key+0x5b2/0x1c50 [ 226.623549][ T6532] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 226.629538][ T6532] ? futex_setup_timer+0xf0/0xf0 [ 226.634501][ T6532] futex_wake+0xe4/0x490 [ 226.638768][ T6532] ? futex_wake_mark+0x1a0/0x1a0 [ 226.644319][ T6532] ? ptrace_stop.part.0+0x5ec/0xa80 [ 226.649527][ T6532] ? do_raw_spin_lock+0x120/0x2a0 [ 226.654555][ T6532] ? rwlock_bug.part.0+0x90/0x90 [ 226.659501][ T6532] ? _raw_spin_lock_irq+0x41/0x50 [ 226.664538][ T6532] do_futex+0x266/0x300 [ 226.668705][ T6532] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 226.674602][ T6532] ? find_held_lock+0x2d/0x110 [ 226.679380][ T6532] __x64_sys_futex+0x1b0/0x4a0 [ 226.684603][ T6532] ? do_futex+0x300/0x300 [ 226.688934][ T6532] ? _raw_spin_unlock_irq+0x1f/0x40 [ 226.694134][ T6532] ? lockdep_hardirqs_on+0x79/0x100 [ 226.699333][ T6532] ? _raw_spin_unlock_irq+0x2a/0x40 [ 226.704532][ T6532] ? ptrace_notify+0xfa/0x140 [ 226.709212][ T6532] do_syscall_64+0x35/0xb0 [ 226.713630][ T6532] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 226.719525][ T6532] RIP: 0033:0x7fc128117db9 [ 226.723953][ T6532] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 226.743564][ T6532] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 226.751977][ T6532] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 226.759945][ T6532] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 226.767916][ T6532] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 226.775886][ T6532] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 226.783854][ T6532] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 226.791844][ T6532] [ 226.794935][ T6529] CPU: 1 PID: 6529 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 226.805459][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 226.815512][ T6529] Call Trace: [ 226.818788][ T6529] [ 226.821718][ T6529] dump_stack_lvl+0xcd/0x134 [ 226.826316][ T6529] should_fail.cold+0x5/0xa [ 226.830846][ T6529] get_futex_key+0x5b2/0x1c50 [ 226.835528][ T6529] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 226.841511][ T6529] ? futex_setup_timer+0xf0/0xf0 [ 226.846458][ T6529] futex_wake+0xe4/0x490 [ 226.850706][ T6529] ? futex_wake_mark+0x1a0/0x1a0 [ 226.855642][ T6529] ? ptrace_stop.part.0+0x5ec/0xa80 [ 226.860842][ T6529] ? do_raw_spin_lock+0x120/0x2a0 [ 226.865868][ T6529] ? rwlock_bug.part.0+0x90/0x90 [ 226.870803][ T6529] ? _raw_spin_lock_irq+0x41/0x50 [ 226.875835][ T6529] do_futex+0x266/0x300 [ 226.879991][ T6529] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 226.885882][ T6529] ? find_held_lock+0x2d/0x110 [ 226.890656][ T6529] __x64_sys_futex+0x1b0/0x4a0 [ 226.895428][ T6529] ? do_futex+0x300/0x300 [ 226.899756][ T6529] ? _raw_spin_unlock_irq+0x1f/0x40 [ 226.904959][ T6529] ? lockdep_hardirqs_on+0x79/0x100 [ 226.910158][ T6529] ? _raw_spin_unlock_irq+0x2a/0x40 [ 226.915363][ T6529] ? ptrace_notify+0xfa/0x140 [ 226.920044][ T6529] do_syscall_64+0x35/0xb0 [ 226.924462][ T6529] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 226.930370][ T6529] RIP: 0033:0x7fc128117db9 [ 226.934785][ T6529] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 226.954391][ T6529] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 226.962816][ T6529] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 226.970786][ T6529] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac ./strace-static-x86_64: Process 6537 attached [pid 6533] setpgid(0, 0 [pid 6532] <... futex resumed>) = ? [pid 6527] exit_group(0 [pid 6525] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6523] exit_group(0 [pid 6537] set_robust_list(0x5555564f35e0, 24 [pid 6533] <... setpgid resumed>) = 0 [pid 6532] +++ exited with 0 +++ [pid 6528] +++ exited with 0 +++ [pid 6529] <... futex resumed>) = ? [pid 6527] <... exit_group resumed>) = ? [pid 6523] <... exit_group resumed>) = ? [pid 6537] <... set_robust_list resumed>) = 0 [pid 6533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6525] +++ exited with 0 +++ [pid 6537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6533] <... openat resumed>) = 3 [pid 6529] +++ exited with 0 +++ [pid 6527] +++ exited with 0 +++ [pid 6523] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6528, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6537] <... prctl resumed>) = 0 [pid 6533] write(3, "1000", 4 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6523, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6537] setpgid(0, 0 [pid 6533] <... write resumed>) = 4 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6537] <... setpgid resumed>) = 0 [pid 6533] close(3) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6539 [pid 6537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6538 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6527, si_uid=0, si_status=0, si_utime=0, si_stime=35} --- [pid 6537] <... openat resumed>) = 3 [pid 6533] <... futex resumed>) = 0 [pid 6537] write(3, "1000", 4 [pid 6533] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6540 attached ./strace-static-x86_64: Process 6539 attached ./strace-static-x86_64: Process 6538 attached [pid 6537] <... write resumed>) = 4 [pid 6533] <... mmap resumed>) = 0x7fc1280a9000 [pid 6533] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6540 [pid 6533] <... mprotect resumed>) = 0 [pid 6533] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6541], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6541 [pid 6533] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6541 attached [pid 6541] set_robust_list(0x7fc1280c99e0, 24 [pid 6537] close(3) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6542 [pid 6539] set_robust_list(0x5555564f35e0, 24 [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... set_robust_list resumed>) = 0 [pid 6541] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6537] <... futex resumed>) = 0 [pid 6537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6539] <... set_robust_list resumed>) = 0 [pid 6537] <... mmap resumed>) = 0x7fc1280a9000 [pid 6537] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6541] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6537] <... mprotect resumed>) = 0 [pid 6539] <... prctl resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6537] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6533] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] setpgid(0, 0 [pid 6533] <... futex resumed>) = 0 [pid 6541] <... futex resumed>) = 1 [pid 6539] <... setpgid resumed>) = 0 [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6538] set_robust_list(0x5555564f35e0, 24 [pid 6537] <... clone resumed>, parent_tid=[6543], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6543 ./strace-static-x86_64: Process 6542 attached ./strace-static-x86_64: Process 6543 attached [pid 6541] <... setsockopt resumed>) = 0 [pid 6540] set_robust_list(0x5555564f35e0, 24 [pid 6539] <... openat resumed>) = 3 [pid 6538] <... set_robust_list resumed>) = 0 [pid 6537] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] set_robust_list(0x7fc1280c99e0, 24 [pid 6542] set_robust_list(0x5555564f35e0, 24 [pid 6541] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... set_robust_list resumed>) = 0 [pid 6539] write(3, "1000", 4 [pid 6538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6537] <... futex resumed>) = 0 [pid 6543] <... set_robust_list resumed>) = 0 [pid 6541] <... futex resumed>) = 1 [pid 6540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6539] <... write resumed>) = 4 [pid 6538] <... prctl resumed>) = 0 [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 0 [pid 6542] <... set_robust_list resumed>) = 0 [pid 6543] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6541] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... prctl resumed>) = 0 [pid 6539] close(3 [pid 6538] setpgid(0, 0 [pid 6533] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6543] <... socket resumed>) = 3 [pid 6542] <... prctl resumed>) = 0 [pid 6541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] setpgid(0, 0 [pid 6539] <... close resumed>) = 0 [pid 6538] <... setpgid resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6543] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] setpgid(0, 0 [pid 6541] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6540] <... setpgid resumed>) = 0 [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6543] <... futex resumed>) = 1 [pid 6542] <... setpgid resumed>) = 0 [pid 6541] <... setsockopt resumed>) = 0 [pid 6540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6539] <... futex resumed>) = 0 [pid 6538] <... openat resumed>) = 3 [pid 6537] <... futex resumed>) = 0 [pid 6543] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6541] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... openat resumed>) = 3 [pid 6539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6538] write(3, "1000", 4 [pid 6537] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] <... openat resumed>) = 3 [pid 6541] <... futex resumed>) = 1 [pid 6540] write(3, "1000", 4 [pid 6539] <... mmap resumed>) = 0x7fc1280a9000 [pid 6538] <... write resumed>) = 4 [pid 6537] <... futex resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6543] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6542] write(3, "1000", 4 [pid 6541] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... write resumed>) = 4 [pid 6539] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6538] close(3 [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... setsockopt resumed>) = 0 [pid 6542] <... write resumed>) = 4 [pid 6541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] close(3 [pid 6539] <... mprotect resumed>) = 0 [pid 6538] <... close resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6543] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] close(3 [pid 6541] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6540] <... close resumed>) = 0 [pid 6539] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6544 attached [pid 6543] <... futex resumed>) = 1 [pid 6542] <... close resumed>) = 0 [pid 6541] <... setsockopt resumed>) = 0 [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... futex resumed>) = 0 [pid 6537] <... futex resumed>) = 0 [ 226.978754][ T6529] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 226.986722][ T6529] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 226.994691][ T6529] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 227.002673][ T6529] [pid 6544] set_robust_list(0x7fc1280c99e0, 24 [pid 6543] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6540] <... futex resumed>) = 0 [pid 6539] <... clone resumed>, parent_tid=[6544], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6544 [pid 6538] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6537] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... set_robust_list resumed>) = 0 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] <... futex resumed>) = 0 [pid 6541] <... futex resumed>) = 1 [pid 6540] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6539] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... mmap resumed>) = 0x7fc1280a9000 [pid 6537] <... futex resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6544] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6543] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6541] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... mmap resumed>) = 0x7fc1280a9000 [pid 6539] <... futex resumed>) = 0 [pid 6538] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... socket resumed>) = 3 [pid 6543] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6542] <... mmap resumed>) = 0x7fc1280a9000 [pid 6541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] <... mprotect resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6544] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6541] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6540] <... mprotect resumed>) = 0 [pid 6539] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6538] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] <... futex resumed>) = 0 [pid 6543] <... futex resumed>) = 1 [pid 6542] <... mprotect resumed>) = 0 [pid 6540] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6539] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6543] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] <... futex resumed>) = 0 [pid 6538] <... clone resumed>, parent_tid=[6545], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6545 [pid 6537] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6540] <... clone resumed>, parent_tid=[6546], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6546 [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6544] <... setsockopt resumed>) = 0 [pid 6543] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6540] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... futex resumed>) = 0 [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6544] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... setsockopt resumed>) = 0 [pid 6542] <... clone resumed>, parent_tid=[6547], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6547 [pid 6540] <... futex resumed>) = 0 [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6547 attached [pid 6544] <... futex resumed>) = 1 [pid 6543] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] <... sendto resumed>) = 1 [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6545 attached ./strace-static-x86_64: Process 6546 attached [pid 6547] set_robust_list(0x7fc1280c99e0, 24 [pid 6544] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6543] <... futex resumed>) = 1 [pid 6542] <... futex resumed>) = 0 [pid 6541] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6547] <... set_robust_list resumed>) = 0 [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] <... futex resumed>) = 1 [pid 6539] <... futex resumed>) = 0 [pid 6537] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... futex resumed>) = 0 [pid 6546] set_robust_list(0x7fc1280c99e0, 24 [pid 6545] set_robust_list(0x7fc1280c99e0, 24 [pid 6547] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6544] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6537] <... futex resumed>) = 0 [pid 6533] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] <... set_robust_list resumed>) = 0 [pid 6545] <... set_robust_list resumed>) = 0 [pid 6547] <... socket resumed>) = 3 [pid 6544] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6543] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 0 [pid 6547] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6545] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6544] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... sendto resumed>) = 1 [pid 6541] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... futex resumed>) = 1 [pid 6546] <... socket resumed>) = 3 [pid 6545] <... socket resumed>) = 3 [pid 6544] <... futex resumed>) = 1 [pid 6543] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... futex resumed>) = 0 [pid 6541] <... sendto resumed>) = 1 [pid 6539] <... futex resumed>) = 0 [pid 6547] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6543] <... futex resumed>) = 1 [pid 6542] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] <... futex resumed>) = 1 [pid 6545] <... futex resumed>) = 1 [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] <... futex resumed>) = 0 [pid 6541] <... futex resumed>) = 1 [pid 6540] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6537] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... futex resumed>) = 0 [pid 6547] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6546] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6545] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6533] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] <... setsockopt resumed>) = 0 [pid 6546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6544] <... setsockopt resumed>) = 0 [pid 6543] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6540] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] <... futex resumed>) = 0 [pid 6547] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6545] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6544] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6541] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6533] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... futex resumed>) = 1 [pid 6546] <... setsockopt resumed>) = 0 [pid 6545] <... setsockopt resumed>) = 0 [pid 6544] <... futex resumed>) = 1 [pid 6543] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... futex resumed>) = 0 [pid 6541] <... openat resumed>) = 4 [pid 6539] <... futex resumed>) = 0 [pid 6547] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6546] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6543] <... futex resumed>) = 1 [pid 6542] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] write(4, "5", 1 [pid 6539] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6546] <... futex resumed>) = 1 [pid 6545] <... futex resumed>) = 1 [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] <... futex resumed>) = 0 [pid 6541] <... write resumed>) = 1 [pid 6540] <... futex resumed>) = 0 [pid 6539] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6537] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6546] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6545] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6543] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6540] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = 0 [pid 6547] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6540] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 0 [pid 6537] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6545] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6544] <... sendto resumed>) = 1 [pid 6543] <... openat resumed>) = 4 [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] <... setsockopt resumed>) = 0 [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6547] <... futex resumed>) = 0 [pid 6546] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6545] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6544] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] write(4, "5", 1 [pid 6542] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6547] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6546] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = 1 [pid 6543] <... write resumed>) = 1 [pid 6542] <... futex resumed>) = 0 [pid 6541] <... futex resumed>) = 1 [pid 6539] <... futex resumed>) = 0 [pid 6533] <... futex resumed>) = 0 [pid 6547] <... setsockopt resumed>) = 0 [pid 6546] <... futex resumed>) = 1 [pid 6545] <... futex resumed>) = 1 [pid 6544] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6543] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6542] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6541] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... futex resumed>) = 0 [pid 6539] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... futex resumed>) = 0 [pid 6533] exit_group(0 [pid 6547] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6545] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6543] <... setsockopt resumed>) = 0 [pid 6542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6541] <... futex resumed>) = ? [pid 6540] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6539] <... futex resumed>) = 0 [pid 6538] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6533] <... exit_group resumed>) = ? [pid 6547] <... futex resumed>) = 0 [pid 6546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6544] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6543] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6541] +++ exited with 0 +++ [pid 6540] <... futex resumed>) = 0 [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6538] <... futex resumed>) = 0 [pid 6547] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6546] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6545] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6544] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6542] <... futex resumed>) = 0 [pid 6533] +++ exited with 0 +++ [pid 6546] <... setsockopt resumed>) = 0 [pid 6545] <... setsockopt resumed>) = 0 [pid 6544] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6546] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6544] <... futex resumed>) = 1 [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] <... futex resumed>) = 0 [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6533, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6547] <... sendto resumed>) = 1 [pid 6546] <... futex resumed>) = 0 [pid 6545] <... futex resumed>) = 0 [pid 6544] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6546] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6545] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6544] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6539] <... futex resumed>) = 0 [pid 6544] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6539] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6548 [pid 6544] <... openat resumed>) = 4 [pid 6544] write(4, "5", 1) = 1 [pid 6544] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 227.115895][ T6543] FAULT_INJECTION: forcing a failure. [ 227.115895][ T6543] name fail_futex, interval 1, probability 0, space 0, times 0 [ 227.130908][ T6543] CPU: 0 PID: 6543 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 227.139741][ T6544] FAULT_INJECTION: forcing a failure. [ 227.139741][ T6544] name fail_futex, interval 1, probability 0, space 0, times 0 [ 227.141434][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6544] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6542] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6542] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6542] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6542] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6549], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6549 [pid 6542] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 227.141451][ T6543] Call Trace: [ 227.141459][ T6543] [ 227.141468][ T6543] dump_stack_lvl+0xcd/0x134 [ 227.141502][ T6543] should_fail.cold+0x5/0xa [ 227.141531][ T6543] get_futex_key+0x5b2/0x1c50 [ 227.141556][ T6543] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 227.141586][ T6543] ? futex_setup_timer+0xf0/0xf0 [ 227.195280][ T6543] futex_wake+0xe4/0x490 [ 227.199555][ T6543] ? futex_wake_mark+0x1a0/0x1a0 [ 227.204516][ T6543] ? ptrace_stop.part.0+0x5ec/0xa80 [ 227.209731][ T6543] ? do_raw_spin_lock+0x120/0x2a0 [pid 6542] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6539] exit_group(0) = ? ./strace-static-x86_64: Process 6549 attached [pid 6549] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 6549] sendto(3, "\x01", 1, 0, NULL, 0) = -1 ECONNREFUSED (Connection refused) [pid 6549] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6542] <... futex resumed>) = 0 [pid 6549] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [ 227.214784][ T6543] ? rwlock_bug.part.0+0x90/0x90 [ 227.219763][ T6543] ? _raw_spin_lock_irq+0x41/0x50 [ 227.224837][ T6543] do_futex+0x266/0x300 [ 227.225859][ T6549] FAULT_INJECTION: forcing a failure. [ 227.225859][ T6549] name fail_futex, interval 1, probability 0, space 0, times 0 [ 227.229006][ T6543] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 227.229035][ T6543] ? find_held_lock+0x2d/0x110 [ 227.252471][ T6543] __x64_sys_futex+0x1b0/0x4a0 [ 227.257272][ T6543] ? do_futex+0x300/0x300 [ 227.261633][ T6543] ? _raw_spin_unlock_irq+0x1f/0x40 [ 227.267064][ T6543] ? lockdep_hardirqs_on+0x79/0x100 [ 227.272310][ T6543] ? _raw_spin_unlock_irq+0x2a/0x40 [ 227.273852][ T6545] FAULT_INJECTION: forcing a failure. [ 227.273852][ T6545] name fail_futex, interval 1, probability 0, space 0, times 0 [ 227.277515][ T6543] ? ptrace_notify+0xfa/0x140 [ 227.277547][ T6543] do_syscall_64+0x35/0xb0 [ 227.277573][ T6543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 227.277602][ T6543] RIP: 0033:0x7fc128117db9 [ 227.277621][ T6543] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 227.277643][ T6543] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 227.338146][ T6543] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 227.346141][ T6543] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 227.354131][ T6543] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 227.362141][ T6543] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 227.370412][ T6543] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 227.378422][ T6543] [ 227.381469][ T6545] CPU: 1 PID: 6545 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 227.391992][ T6545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 227.402060][ T6545] Call Trace: [ 227.405341][ T6545] [ 227.408274][ T6545] dump_stack_lvl+0xcd/0x134 [ 227.412880][ T6545] should_fail.cold+0x5/0xa [ 227.417392][ T6545] get_futex_key+0x5b2/0x1c50 [ 227.422075][ T6545] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 227.428080][ T6545] ? futex_setup_timer+0xf0/0xf0 [ 227.433044][ T6545] futex_wake+0xe4/0x490 [ 227.437308][ T6545] ? futex_wake_mark+0x1a0/0x1a0 [ 227.442261][ T6545] ? ptrace_stop.part.0+0x5ec/0xa80 [ 227.447488][ T6545] ? do_raw_spin_lock+0x120/0x2a0 [ 227.452534][ T6545] ? rwlock_bug.part.0+0x90/0x90 [ 227.457472][ T6545] ? _raw_spin_lock_irq+0x41/0x50 [ 227.462528][ T6545] do_futex+0x266/0x300 [ 227.466695][ T6545] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 227.472588][ T6545] ? find_held_lock+0x2d/0x110 [ 227.477362][ T6545] __x64_sys_futex+0x1b0/0x4a0 [ 227.482142][ T6545] ? do_futex+0x300/0x300 [ 227.486471][ T6545] ? _raw_spin_unlock_irq+0x1f/0x40 [ 227.491674][ T6545] ? lockdep_hardirqs_on+0x79/0x100 [ 227.496883][ T6545] ? _raw_spin_unlock_irq+0x2a/0x40 [ 227.502082][ T6545] ? ptrace_notify+0xfa/0x140 [ 227.506764][ T6545] do_syscall_64+0x35/0xb0 [ 227.511186][ T6545] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 227.517086][ T6545] RIP: 0033:0x7fc128117db9 [ 227.521510][ T6545] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 227.541116][ T6545] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 227.549534][ T6545] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 227.557504][ T6545] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6542] <... futex resumed>) = 0 [pid 6549] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6542] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6549] <... openat resumed>) = 4 [pid 6549] write(4, "5", 1) = 1 [pid 6549] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6549] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6538] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = 1 [pid 6545] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] <... sendto resumed>) = 1 [pid 6545] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6538] <... futex resumed>) = 0 [pid 6545] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6538] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6538] <... futex resumed>) = 0 [pid 6545] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] <... futex resumed>) = 0 [pid 6538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6545] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6538] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6538] <... futex resumed>) = 0 [pid 6545] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6538] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6545] <... openat resumed>) = 4 [pid 6545] write(4, "5", 1) = 1 [pid 6542] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6545] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6545] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6538] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6538] exit_group(0) = ? [ 227.565471][ T6545] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 227.573439][ T6545] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 227.581411][ T6545] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 227.589392][ T6545] [ 227.594210][ T6549] CPU: 1 PID: 6549 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 227.604747][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 227.614801][ T6549] Call Trace: [ 227.618078][ T6549] [ 227.621005][ T6549] dump_stack_lvl+0xcd/0x134 [ 227.625604][ T6549] should_fail.cold+0x5/0xa [ 227.630200][ T6549] get_futex_key+0x5b2/0x1c50 [ 227.634882][ T6549] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 227.640879][ T6549] ? futex_setup_timer+0xf0/0xf0 [ 227.645922][ T6549] futex_wake+0xe4/0x490 [ 227.650180][ T6549] ? futex_wake_mark+0x1a0/0x1a0 [ 227.655120][ T6549] ? ptrace_stop.part.0+0x5ec/0xa80 [ 227.660319][ T6549] ? do_raw_spin_lock+0x120/0x2a0 [ 227.665345][ T6549] ? rwlock_bug.part.0+0x90/0x90 [ 227.670280][ T6549] ? _raw_spin_lock_irq+0x41/0x50 [ 227.675323][ T6549] do_futex+0x266/0x300 [ 227.679481][ T6549] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 227.685371][ T6549] ? find_held_lock+0x2d/0x110 [ 227.690153][ T6549] __x64_sys_futex+0x1b0/0x4a0 [ 227.694921][ T6549] ? do_futex+0x300/0x300 [ 227.699248][ T6549] ? _raw_spin_unlock_irq+0x1f/0x40 [ 227.704469][ T6549] ? lockdep_hardirqs_on+0x79/0x100 [ 227.709756][ T6549] ? _raw_spin_unlock_irq+0x2a/0x40 [ 227.714955][ T6549] ? ptrace_notify+0xfa/0x140 [ 227.719636][ T6549] do_syscall_64+0x35/0xb0 [ 227.724062][ T6549] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 227.729962][ T6549] RIP: 0033:0x7fc128117db9 [ 227.734387][ T6549] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 227.753993][ T6549] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca ./strace-static-x86_64: Process 6548 attached [pid 6547] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6543] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6540] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6537] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6548] set_robust_list(0x5555564f35e0, 24 [pid 6547] <... futex resumed>) = 0 [pid 6546] <... futex resumed>) = 0 [pid 6542] exit_group(0 [pid 6540] <... futex resumed>) = 1 [pid 6537] exit_group(0 [pid 6546] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6543] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6542] <... exit_group resumed>) = ? [pid 6546] <... sendto resumed>) = 1 [pid 6546] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 227.762421][ T6549] RAX: ffffffffffffffda RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 227.770393][ T6549] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04bc [ 227.778365][ T6549] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 227.786334][ T6549] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 227.794321][ T6549] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 227.802306][ T6549] [pid 6546] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6549] <... futex resumed>) = ? [pid 6549] +++ exited with 0 +++ [pid 6545] <... futex resumed>) = ? [pid 6545] +++ exited with 0 +++ [pid 6538] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6538, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6550 ./strace-static-x86_64: Process 6550 attached [ 227.810157][ T6544] CPU: 0 PID: 6544 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 227.820710][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 227.830795][ T6544] Call Trace: [ 227.834089][ T6544] [ 227.837040][ T6544] dump_stack_lvl+0xcd/0x134 [ 227.841665][ T6544] should_fail.cold+0x5/0xa [ 227.846203][ T6544] get_futex_key+0x5b2/0x1c50 [ 227.850908][ T6544] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 227.856923][ T6544] ? futex_setup_timer+0xf0/0xf0 [ 227.861902][ T6544] futex_wake+0xe4/0x490 [ 227.866176][ T6544] ? futex_wake_mark+0x1a0/0x1a0 [ 227.871139][ T6544] ? ptrace_stop.part.0+0x5ec/0xa80 [ 227.876365][ T6544] ? do_raw_spin_lock+0x120/0x2a0 [ 227.881417][ T6544] ? rwlock_bug.part.0+0x90/0x90 [ 227.886416][ T6544] ? _raw_spin_lock_irq+0x41/0x50 [ 227.891474][ T6544] do_futex+0x266/0x300 [ 227.895655][ T6544] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 227.901572][ T6544] ? find_held_lock+0x2d/0x110 [ 227.906461][ T6544] __x64_sys_futex+0x1b0/0x4a0 [ 227.911256][ T6544] ? do_futex+0x300/0x300 [ 227.915606][ T6544] ? _raw_spin_unlock_irq+0x1f/0x40 [ 227.920824][ T6544] ? lockdep_hardirqs_on+0x79/0x100 [ 227.926027][ T6544] ? _raw_spin_unlock_irq+0x2a/0x40 [ 227.931319][ T6544] ? ptrace_notify+0xfa/0x140 [ 227.936013][ T6544] do_syscall_64+0x35/0xb0 [ 227.940452][ T6544] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 227.946440][ T6544] RIP: 0033:0x7fc128117db9 [ 227.950860][ T6544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 227.970556][ T6544] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 227.979502][ T6544] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 227.987471][ T6544] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 227.995439][ T6544] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 228.003410][ T6544] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 228.011378][ T6544] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6550] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6550] setpgid(0, 0) = 0 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6550] write(3, "1000", 4) = 4 [pid 6550] close(3) = 0 [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6550] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6550] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6550] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6551], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6551 [pid 6550] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6551 attached [pid 6551] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6551] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6551] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6551] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... setsockopt resumed>) = 0 [pid 6551] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6551] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... setsockopt resumed>) = 0 [pid 6551] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6551] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... setsockopt resumed>) = 0 [pid 6551] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6551] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... sendto resumed>) = 1 [pid 6551] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6551] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... sendto resumed>) = 1 [pid 6551] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6551] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6550] <... futex resumed>) = 0 [pid 6551] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6550] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6551] <... openat resumed>) = 4 [pid 6551] write(4, "5", 1) = 1 [pid 6551] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6551] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6550] <... futex resumed>) = 0 [pid 6551] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6550] exit_group(0 [pid 6551] <... futex resumed>) = ? [pid 6550] <... exit_group resumed>) = ? [pid 6551] +++ exited with 0 +++ [pid 6550] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 6548] <... set_robust_list resumed>) = 0 [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6537] <... exit_group resumed>) = ? [pid 3610] <... restart_syscall resumed>) = 0 [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] +++ exited with 0 +++ [pid 6542] +++ exited with 0 +++ [pid 6540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6548] <... prctl resumed>) = 0 [pid 6548] setpgid(0, 0 [pid 6540] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6548] <... setpgid resumed>) = 0 [pid 6546] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = 1 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6542, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6546] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6548] <... openat resumed>) = 3 [pid 6546] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6548] write(3, "1000", 4 [pid 6546] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6552 [pid 6548] <... write resumed>) = 4 [pid 6546] <... futex resumed>) = 0 [pid 6540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6548] close(3 [pid 6546] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6540] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... close resumed>) = 0 [pid 6546] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6544] <... futex resumed>) = ? [pid 6543] <... futex resumed>) = ? [pid 6548] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6546] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6540] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6553 ./strace-static-x86_64: Process 6553 attached ./strace-static-x86_64: Process 6552 attached [pid 6548] <... futex resumed>) = 0 [pid 6546] <... openat resumed>) = 4 [pid 6543] +++ exited with 0 +++ [pid 6540] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6537] +++ exited with 0 +++ [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6546] write(4, "5", 1 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6537, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6548] <... mmap resumed>) = 0x7fc1280a9000 [pid 6546] <... write resumed>) = 1 [pid 6544] +++ exited with 0 +++ [pid 6539] +++ exited with 0 +++ [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6548] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6546] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6553] set_robust_list(0x5555564f35e0, 24 [pid 6552] set_robust_list(0x5555564f35e0, 24 [pid 6548] <... mprotect resumed>) = 0 [pid 6546] <... setsockopt resumed>) = 0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6553] <... set_robust_list resumed>) = 0 [pid 6552] <... set_robust_list resumed>) = 0 [pid 6548] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 228.019360][ T6544] [pid 6546] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6539, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- ./strace-static-x86_64: Process 6554 attached [pid 6553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6554] set_robust_list(0x7fc1280c99e0, 24 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6554] <... set_robust_list resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6555 [pid 6554] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6556 [pid 6553] <... prctl resumed>) = 0 [pid 6553] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6555 attached [pid 6553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6552] <... prctl resumed>) = 0 [pid 6548] <... clone resumed>, parent_tid=[6554], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6554 [pid 6552] setpgid(0, 0 [pid 6548] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... futex resumed>) = 0 [pid 6552] <... setpgid resumed>) = 0 [pid 6548] <... futex resumed>) = 1 [pid 6554] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6553] <... openat resumed>) = 3 [pid 6552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6548] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] set_robust_list(0x5555564f35e0, 24 [pid 6554] <... socket resumed>) = 3 [pid 6552] <... openat resumed>) = 3 [pid 6554] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6553] write(3, "1000", 4 [pid 6552] write(3, "1000", 4 [pid 6548] <... futex resumed>) = 0 [pid 6554] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] <... write resumed>) = 4 [pid 6552] <... write resumed>) = 4 [pid 6548] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] close(3 [pid 6552] close(3 [pid 6548] <... futex resumed>) = 0 [pid 6554] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6553] <... close resumed>) = 0 [pid 6552] <... close resumed>) = 0 [pid 6548] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6554] <... setsockopt resumed>) = 0 [pid 6553] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... set_robust_list resumed>) = 0 [pid 6554] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6554] <... futex resumed>) = 1 [pid 6553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6548] <... futex resumed>) = 0 [pid 6555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6554] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] <... mmap resumed>) = 0x7fc1280a9000 [pid 6552] <... mmap resumed>) = 0x7fc1280a9000 [pid 6548] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6552] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6548] <... futex resumed>) = 0 [pid 6555] <... prctl resumed>) = 0 [pid 6554] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6553] <... mprotect resumed>) = 0 [pid 6552] <... mprotect resumed>) = 0 [pid 6548] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6556 attached [pid 6555] setpgid(0, 0 [pid 6554] <... setsockopt resumed>) = 0 [pid 6553] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6556] set_robust_list(0x5555564f35e0, 24 [pid 6555] <... setpgid resumed>) = 0 [pid 6556] <... set_robust_list resumed>) = 0 [pid 6555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6553] <... clone resumed>, parent_tid=[6557], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6557 [pid 6556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6555] <... openat resumed>) = 3 [pid 6553] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... prctl resumed>) = 0 [pid 6555] write(3, "1000", 4 [pid 6553] <... futex resumed>) = 0 [pid 6556] setpgid(0, 0 [pid 6555] <... write resumed>) = 4 [pid 6553] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6556] <... setpgid resumed>) = 0 [pid 6555] close(3 [pid 6556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6555] <... close resumed>) = 0 [pid 6556] <... openat resumed>) = 3 [pid 6555] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] write(3, "1000", 4 [pid 6555] <... futex resumed>) = 0 [pid 6556] <... write resumed>) = 4 [pid 6555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6556] close(3 [pid 6555] <... mmap resumed>) = 0x7fc1280a9000 [pid 6556] <... close resumed>) = 0 [pid 6555] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6540] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] <... mprotect resumed>) = 0 [pid 6540] exit_group(0 [pid 6556] <... futex resumed>) = 0 [pid 6555] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6540] <... exit_group resumed>) = ? [pid 6556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [ 228.042771][ T6546] FAULT_INJECTION: forcing a failure. [ 228.042771][ T6546] name fail_futex, interval 1, probability 0, space 0, times 0 [ 228.066151][ T6546] CPU: 1 PID: 6546 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 228.076786][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 228.086954][ T6546] Call Trace: [ 228.090260][ T6546] [pid 6555] <... clone resumed>, parent_tid=[6558], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6558 [pid 6556] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6555] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... mprotect resumed>) = 0 [pid 6555] <... futex resumed>) = 0 [pid 6556] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6555] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6556] <... clone resumed>, parent_tid=[6559], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6559 [pid 6556] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6559 attached [pid 6559] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6559] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6559] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6559] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6556] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... setsockopt resumed>) = 0 [pid 6556] <... futex resumed>) = 0 [pid 6559] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6559] <... futex resumed>) = 0 [pid 6556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6559] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6556] <... futex resumed>) = 0 [pid 6559] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6559] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6559] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6559] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6556] <... futex resumed>) = 0 [pid 6559] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6559] <... setsockopt resumed>) = 0 [pid 6559] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6559] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6556] <... futex resumed>) = 0 [pid 6553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6559] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... sendto resumed>) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6559] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6559] <... futex resumed>) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6553] <... mmap resumed>) = 0x7fc128088000 [pid 6559] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6556] <... futex resumed>) = 0 [pid 6553] <... mprotect resumed>) = 0 [pid 6559] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6553] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6559] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [ 228.093214][ T6546] dump_stack_lvl+0xcd/0x134 [ 228.097848][ T6546] should_fail.cold+0x5/0xa [ 228.102386][ T6546] get_futex_key+0x5b2/0x1c50 [ 228.107089][ T6546] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 228.113103][ T6546] ? futex_setup_timer+0xf0/0xf0 [ 228.118080][ T6546] futex_wake+0xe4/0x490 [ 228.122357][ T6546] ? futex_wake_mark+0x1a0/0x1a0 [ 228.127345][ T6546] ? ptrace_stop.part.0+0x5ec/0xa80 [ 228.132582][ T6546] ? do_raw_spin_lock+0x120/0x2a0 [ 228.137642][ T6546] ? rwlock_bug.part.0+0x90/0x90 [pid 6559] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... clone resumed>, parent_tid=[6560], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6560 [pid 6559] <... futex resumed>) = 1 [pid 6556] <... futex resumed>) = 0 [pid 6553] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6556] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... futex resumed>) = 0 [pid 6559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6556] <... futex resumed>) = 0 [pid 6555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6553] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6559] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6556] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6555] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6559] <... openat resumed>) = 4 [pid 6555] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6560 attached [pid 6559] write(4, "5", 1 [pid 6555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6560] set_robust_list(0x7fc1280a89e0, 24 [pid 6559] <... write resumed>) = 1 [pid 6555] <... mmap resumed>) = 0x7fc128088000 [pid 6560] <... set_robust_list resumed>) = 0 [pid 6559] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6555] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6560] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6559] <... setsockopt resumed>) = 0 [pid 6555] <... mprotect resumed>) = 0 [ 228.142614][ T6546] ? _raw_spin_lock_irq+0x41/0x50 [ 228.147677][ T6546] do_futex+0x266/0x300 [ 228.151865][ T6546] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 228.157789][ T6546] ? find_held_lock+0x2d/0x110 [ 228.160213][ T6559] FAULT_INJECTION: forcing a failure. [ 228.160213][ T6559] name fail_futex, interval 1, probability 0, space 0, times 0 [ 228.162576][ T6546] __x64_sys_futex+0x1b0/0x4a0 [ 228.162613][ T6546] ? do_futex+0x300/0x300 [ 228.184457][ T6546] ? _raw_spin_unlock_irq+0x1f/0x40 [ 228.189691][ T6546] ? lockdep_hardirqs_on+0x79/0x100 [ 228.194898][ T6546] ? _raw_spin_unlock_irq+0x2a/0x40 [ 228.200110][ T6546] ? ptrace_notify+0xfa/0x140 [ 228.204802][ T6546] do_syscall_64+0x35/0xb0 [ 228.209227][ T6546] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 228.215131][ T6546] RIP: 0033:0x7fc128117db9 [ 228.219547][ T6546] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6560] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6559] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 228.239765][ T6546] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 228.248178][ T6546] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 228.256146][ T6546] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 228.264117][ T6546] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 228.272091][ T6546] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 228.280070][ T6546] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 228.288058][ T6546] [pid 6555] clone(child_stack=0x7fc1280a83f0, 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 6558 attached ./strace-static-x86_64: Process 6557 attached [pid 6560] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6556] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6554] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6552] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6546] <... futex resumed>) = ? [pid 6560] <... futex resumed>) = 0 [pid 6555] <... clone resumed>, parent_tid=[6561], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6561 ./strace-static-x86_64: Process 6561 attached [pid 6560] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] <... clone resumed>, parent_tid=[6562], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6562 [pid 6561] set_robust_list(0x7fc1280a89e0, 24 [pid 6555] <... futex resumed>) = 0 [pid 6552] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] <... set_robust_list resumed>) = 0 [pid 6555] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6552] <... futex resumed>) = 0 [pid 6561] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6562 attached [pid 6561] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6562] set_robust_list(0x7fc1280c99e0, 24 [pid 6561] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... set_robust_list resumed>) = 0 [pid 6561] <... futex resumed>) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6562] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6561] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... socket resumed>) = 3 [pid 6561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6555] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6555] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 1 [pid 6561] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6561] <... futex resumed>) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6562] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6561] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... setsockopt resumed>) = 0 [pid 6561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6555] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6555] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 1 [pid 6561] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6561] <... futex resumed>) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6562] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6561] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6555] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6555] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 1 [pid 6561] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6552] <... futex resumed>) = 0 [ 228.292482][ T6559] CPU: 1 PID: 6559 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 228.303019][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 228.313106][ T6559] Call Trace: [ 228.316405][ T6559] [ 228.319359][ T6559] dump_stack_lvl+0xcd/0x134 [ 228.323987][ T6559] should_fail.cold+0x5/0xa [ 228.328530][ T6559] get_futex_key+0x5b2/0x1c50 [ 228.333241][ T6559] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 228.339254][ T6559] ? futex_setup_timer+0xf0/0xf0 [pid 6562] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] set_robust_list(0x7fc1280c99e0, 24 [pid 6552] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6561] <... futex resumed>) = 1 [pid 6558] <... set_robust_list resumed>) = 0 [pid 6555] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6562] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6561] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6555] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... setsockopt resumed>) = 0 [pid 6561] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... socket resumed>) = 3 [pid 6555] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6561] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6558] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6555] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 1 [pid 6561] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6558] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6561] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6561] <... futex resumed>) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6562] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6561] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... sendto resumed>) = 1 [pid 6558] <... futex resumed>) = 0 [pid 6555] <... futex resumed>) = 1 [pid 6562] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6555] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... futex resumed>) = 1 [pid 6558] <... openat resumed>) = 4 [pid 6552] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] write(4, "5", 1 [pid 6552] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6558] <... write resumed>) = 1 [pid 6552] <... futex resumed>) = 0 [pid 6562] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6558] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6558] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6562] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6558] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = 1 [pid 6558] <... futex resumed>) = 1 [pid 6555] <... futex resumed>) = 0 [pid 6552] <... futex resumed>) = 0 [pid 6562] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6558] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6555] exit_group(0 [pid 6552] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 228.344237][ T6559] futex_wake+0xe4/0x490 [ 228.348512][ T6559] ? futex_wake_mark+0x1a0/0x1a0 [ 228.353493][ T6559] ? ptrace_stop.part.0+0x5ec/0xa80 [ 228.358728][ T6559] ? do_raw_spin_lock+0x120/0x2a0 [ 228.363784][ T6559] ? rwlock_bug.part.0+0x90/0x90 [ 228.368757][ T6559] ? _raw_spin_lock_irq+0x41/0x50 [ 228.373819][ T6559] do_futex+0x266/0x300 [ 228.378008][ T6559] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 228.378892][ T6558] FAULT_INJECTION: forcing a failure. [pid 6561] <... futex resumed>) = ? [pid 6558] <... futex resumed>) = ? [pid 6555] <... exit_group resumed>) = ? [pid 6552] <... futex resumed>) = 0 [pid 6562] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6561] +++ exited with 0 +++ [pid 6552] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6562] <... openat resumed>) = 4 [pid 6562] write(4, "5", 1) = 1 [pid 6562] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6562] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6557] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6557] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.378892][ T6558] name fail_futex, interval 1, probability 0, space 0, times 0 [ 228.384016][ T6559] ? find_held_lock+0x2d/0x110 [ 228.401576][ T6559] __x64_sys_futex+0x1b0/0x4a0 [ 228.405078][ T6562] FAULT_INJECTION: forcing a failure. [ 228.405078][ T6562] name fail_futex, interval 1, probability 0, space 0, times 0 [ 228.406357][ T6559] ? do_futex+0x300/0x300 [ 228.424231][ T6559] ? _raw_spin_unlock_irq+0x1f/0x40 [ 228.429460][ T6559] ? lockdep_hardirqs_on+0x79/0x100 [ 228.434701][ T6559] ? _raw_spin_unlock_irq+0x2a/0x40 [ 228.439928][ T6559] ? ptrace_notify+0xfa/0x140 [pid 6557] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6552] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6552] exit_group(0) = ? [ 228.444633][ T6559] do_syscall_64+0x35/0xb0 [ 228.449166][ T6559] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 228.455086][ T6559] RIP: 0033:0x7fc128117db9 [ 228.459519][ T6559] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 228.479145][ T6559] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6556] exit_group(0) = ? [pid 6554] <... futex resumed>) = 1 [pid 6553] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6546] +++ exited with 0 +++ [pid 6540] +++ exited with 0 +++ [pid 6559] <... futex resumed>) = ? [pid 6557] <... futex resumed>) = 0 [pid 6554] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] <... futex resumed>) = 1 [pid 6557] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [ 228.487578][ T6559] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 228.495558][ T6559] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 228.503537][ T6559] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 228.511529][ T6559] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 228.519514][ T6559] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 228.527516][ T6559] [pid 6557] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.535866][ T6558] CPU: 1 PID: 6558 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 228.546420][ T6558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 228.556498][ T6558] Call Trace: [ 228.559785][ T6558] [ 228.562722][ T6558] dump_stack_lvl+0xcd/0x134 [ 228.567331][ T6558] should_fail.cold+0x5/0xa [ 228.571846][ T6558] get_futex_key+0x5b2/0x1c50 [ 228.576536][ T6558] ? __lock_acquire+0x163e/0x5660 [ 228.581580][ T6558] ? futex_setup_timer+0xf0/0xf0 [ 228.586533][ T6558] futex_wake+0xe4/0x490 [pid 6557] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6559] +++ exited with 0 +++ [pid 6556] +++ exited with 0 +++ [pid 6548] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6548] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6556, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6563 ./strace-static-x86_64: Process 6563 attached [pid 6563] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6563] setpgid(0, 0) = 0 [pid 6563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6563] write(3, "1000", 4) = 4 [pid 6563] close(3) = 0 [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6563] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6563] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6564], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6564 [pid 6563] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 228.590801][ T6558] ? futex_wake_mark+0x1a0/0x1a0 [ 228.595769][ T6558] ? find_held_lock+0x2d/0x110 [ 228.600568][ T6558] do_futex+0x266/0x300 [ 228.604753][ T6558] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 228.610682][ T6558] mm_release+0x235/0x2c0 [ 228.615029][ T6558] do_exit+0x8a0/0x29d0 [ 228.619216][ T6558] ? find_held_lock+0x2d/0x110 [ 228.624010][ T6558] ? mm_update_next_owner+0x7a0/0x7a0 [ 228.629400][ T6558] ? lock_downgrade+0x6e0/0x6e0 [ 228.634284][ T6558] do_group_exit+0xd2/0x2f0 [ 228.638822][ T6558] get_signal+0x2542/0x2600 [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6564 attached [pid 6564] set_robust_list(0x7fc1280c99e0, 24 [pid 6548] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6564] <... set_robust_list resumed>) = 0 [pid 6548] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6548] <... futex resumed>) = 0 [pid 6564] <... socket resumed>) = 3 [pid 6548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6564] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... mmap resumed>) = 0x7fc128088000 [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6548] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6564] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... mprotect resumed>) = 0 [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6548] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6564] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6564] <... setsockopt resumed>) = 0 [pid 6548] <... clone resumed>, parent_tid=[6565], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6565 [pid 6564] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6548] <... futex resumed>) = 0 [pid 6564] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6564] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6565 attached [pid 6564] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6565] set_robust_list(0x7fc1280a89e0, 24 [pid 6564] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... set_robust_list resumed>) = 0 [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6565] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6564] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [ 228.643360][ T6558] ? exit_signals+0x8b0/0x8b0 [ 228.648059][ T6558] ? userns_owner+0x40/0x40 [ 228.652595][ T6558] ? __task_pid_nr_ns+0x168/0x4b0 [ 228.657650][ T6558] ? lock_downgrade+0x6e0/0x6e0 [ 228.662529][ T6558] arch_do_signal_or_restart+0x82/0x2300 [ 228.668185][ T6558] ? from_kuid_munged+0xa2/0x130 [ 228.673139][ T6558] ? find_held_lock+0x2d/0x110 [ 228.677922][ T6558] ? get_sigframe_size+0x10/0x10 [ 228.682887][ T6558] ? ptrace_notify+0xfa/0x140 [ 228.687585][ T6558] ? lock_downgrade+0x6e0/0x6e0 [pid 6564] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6564] <... setsockopt resumed>) = 0 [pid 6564] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6564] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6565] <... sendto resumed>) = 1 [pid 6564] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... sendto resumed>) = 1 [pid 6565] <... futex resumed>) = 1 [pid 6564] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6565] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6548] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6564] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6565] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6548] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] <... sendto resumed>) = 1 [pid 6564] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6565] <... futex resumed>) = 1 [pid 6564] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6565] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6564] <... futex resumed>) = 1 [pid 6563] <... futex resumed>) = 0 [pid 6548] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6564] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6565] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6563] <... futex resumed>) = 0 [pid 6548] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] <... openat resumed>) = 4 [pid 6564] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6563] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6565] write(4, "5", 1 [pid 6564] <... openat resumed>) = 4 [pid 6565] <... write resumed>) = 1 [pid 6564] write(4, "5", 1 [pid 6565] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6564] <... write resumed>) = 1 [pid 6565] <... setsockopt resumed>) = 0 [pid 6564] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6565] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6564] <... setsockopt resumed>) = 0 [pid 6565] <... futex resumed>) = 1 [ 228.692458][ T6558] ? send_sig+0xfe/0x160 [ 228.696721][ T6558] ? send_sig_info+0x140/0x140 [ 228.701510][ T6558] ? exit_to_user_mode_prepare+0x137/0x250 [ 228.707344][ T6558] exit_to_user_mode_prepare+0x15f/0x250 [ 228.713006][ T6558] syscall_exit_to_user_mode+0x19/0x50 [ 228.718492][ T6558] do_syscall_64+0x42/0xb0 [ 228.722922][ T6558] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 228.728834][ T6558] RIP: 0033:0x7fc128117db9 [pid 6564] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6548] <... futex resumed>) = 0 [pid 6565] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6563] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6563] exit_group(0) = ? [ 228.733267][ T6558] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 228.744399][ T6564] FAULT_INJECTION: forcing a failure. [ 228.744399][ T6564] name fail_futex, interval 1, probability 0, space 0, times 0 [ 228.752876][ T6558] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 228.752905][ T6558] RAX: fffffffffffffe00 RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 228.752922][ T6558] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04a8 [ 228.790055][ T6558] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 228.798052][ T6558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 228.806039][ T6558] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 228.814056][ T6558] [ 228.817088][ T6562] CPU: 0 PID: 6562 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 228.827605][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 228.837661][ T6562] Call Trace: [ 228.840938][ T6562] [ 228.843865][ T6562] dump_stack_lvl+0xcd/0x134 [ 228.848464][ T6562] should_fail.cold+0x5/0xa [ 228.852975][ T6562] get_futex_key+0x5b2/0x1c50 [ 228.857660][ T6562] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 228.863645][ T6562] ? futex_setup_timer+0xf0/0xf0 [ 228.868590][ T6562] futex_wake+0xe4/0x490 [ 228.872836][ T6562] ? futex_wake_mark+0x1a0/0x1a0 [ 228.877772][ T6562] ? ptrace_stop.part.0+0x5ec/0xa80 [ 228.882974][ T6562] ? do_raw_spin_lock+0x120/0x2a0 [ 228.888000][ T6562] ? rwlock_bug.part.0+0x90/0x90 [ 228.893378][ T6562] ? _raw_spin_lock_irq+0x41/0x50 [ 228.898411][ T6562] do_futex+0x266/0x300 [ 228.902578][ T6562] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 228.908469][ T6562] ? find_held_lock+0x2d/0x110 [ 228.913242][ T6562] __x64_sys_futex+0x1b0/0x4a0 [ 228.918025][ T6562] ? do_futex+0x300/0x300 [ 228.922360][ T6562] ? _raw_spin_unlock_irq+0x1f/0x40 [ 228.927564][ T6562] ? lockdep_hardirqs_on+0x79/0x100 [ 228.932764][ T6562] ? _raw_spin_unlock_irq+0x2a/0x40 [ 228.937963][ T6562] ? ptrace_notify+0xfa/0x140 [ 228.942644][ T6562] do_syscall_64+0x35/0xb0 [ 228.947062][ T6562] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 228.952958][ T6562] RIP: 0033:0x7fc128117db9 [ 228.957372][ T6562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 228.976979][ T6562] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 228.985395][ T6562] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6540, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6562] <... futex resumed>) = ? [ 228.993376][ T6562] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 229.001343][ T6562] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 229.009343][ T6562] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 229.017311][ T6562] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 229.025295][ T6562] [ 229.029033][ T6564] CPU: 1 PID: 6564 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 6562] +++ exited with 0 +++ [pid 6552] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6552, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6566 [pid 6558] +++ exited with 0 +++ [pid 6555] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6555, si_uid=0, si_status=0, si_utime=0, si_stime=34} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6567 ./strace-static-x86_64: Process 6567 attached [pid 6567] set_robust_list(0x5555564f35e0, 24 [pid 6554] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6554] <... setsockopt resumed>) = 0 [pid 6553] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] <... futex resumed>) = 0 [pid 6554] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6553] <... futex resumed>) = 1 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6557] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6554] <... futex resumed>) = 0 [pid 6553] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] <... set_robust_list resumed>) = 0 [pid 6557] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6554] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6548] exit_group(0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6568 [pid 6567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6565] <... futex resumed>) = ? [pid 6557] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6554] <... futex resumed>) = ? [pid 6548] <... exit_group resumed>) = ? [pid 6567] <... prctl resumed>) = 0 [pid 6565] +++ exited with 0 +++ [pid 6557] <... futex resumed>) = 1 [pid 6554] +++ exited with 0 +++ [pid 6553] <... futex resumed>) = 0 [pid 6548] +++ exited with 0 +++ [pid 6567] setpgid(0, 0 [pid 6557] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 229.039580][ T6564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 229.049659][ T6564] Call Trace: [ 229.052953][ T6564] [ 229.055904][ T6564] dump_stack_lvl+0xcd/0x134 [ 229.060528][ T6564] should_fail.cold+0x5/0xa [ 229.065066][ T6564] get_futex_key+0x5b2/0x1c50 [ 229.069773][ T6564] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 229.075780][ T6564] ? finish_task_switch.isra.0+0x2b9/0xbb0 [ 229.081623][ T6564] ? futex_setup_timer+0xf0/0xf0 [ 229.086597][ T6564] futex_wake+0xe4/0x490 [ 229.090869][ T6564] ? futex_wake_mark+0x1a0/0x1a0 [pid 6553] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6548, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6567] <... setpgid resumed>) = 0 [pid 6557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] <... futex resumed>) = 0 [pid 6567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6557] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6553] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] <... openat resumed>) = 3 [pid 6557] <... sendto resumed>) = 1 [pid 6567] write(3, "1000", 4 [pid 6557] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... write resumed>) = 4 [pid 6557] <... futex resumed>) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6567] close(3 [pid 6557] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6567] <... close resumed>) = 0 [pid 6557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] <... futex resumed>) = 0 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6553] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6569 [pid 6567] <... futex resumed>) = 0 [pid 6557] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6557] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... mmap resumed>) = 0x7fc1280a9000 [pid 6557] <... futex resumed>) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6567] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6557] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... mprotect resumed>) = 0 [pid 6557] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6553] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6569 attached [pid 6567] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6557] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6553] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6569] set_robust_list(0x5555564f35e0, 24 [pid 6557] <... openat resumed>) = 4 [pid 6569] <... set_robust_list resumed>) = 0 [pid 6567] <... clone resumed>, parent_tid=[6570], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6570 [pid 6557] write(4, "5", 1 [pid 6569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6567] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6557] <... write resumed>) = 1 [pid 6569] <... prctl resumed>) = 0 [pid 6567] <... futex resumed>) = 0 [pid 6557] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9./strace-static-x86_64: Process 6570 attached [pid 6569] setpgid(0, 0 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6557] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6570] set_robust_list(0x7fc1280c99e0, 24 [pid 6569] <... setpgid resumed>) = 0 [pid 6557] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... set_robust_list resumed>) = 0 [pid 6569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6557] <... futex resumed>) = 1 [pid 6553] <... futex resumed>) = 0 [pid 6570] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6569] <... openat resumed>) = 3 [pid 6557] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6553] exit_group(0 [pid 6570] <... socket resumed>) = 3 [pid 6569] write(3, "1000", 4 [pid 6560] <... futex resumed>) = ? [ 229.095836][ T6564] ? ptrace_stop.part.0+0x5ec/0xa80 [ 229.101069][ T6564] ? do_raw_spin_lock+0x120/0x2a0 [ 229.106115][ T6564] ? rwlock_bug.part.0+0x90/0x90 [ 229.111085][ T6564] ? _raw_spin_lock_irq+0x41/0x50 [ 229.116142][ T6564] do_futex+0x266/0x300 [ 229.125303][ T6564] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 229.131233][ T6564] ? find_held_lock+0x2d/0x110 [ 229.136052][ T6564] __x64_sys_futex+0x1b0/0x4a0 [ 229.141466][ T6564] ? do_futex+0x300/0x300 [pid 6557] <... futex resumed>) = ? [pid 6553] <... exit_group resumed>) = ? [pid 6570] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... write resumed>) = 4 [pid 6560] +++ exited with 0 +++ [pid 6570] <... futex resumed>) = 1 [pid 6569] close(3 [pid 6567] <... futex resumed>) = 0 [pid 6570] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] <... close resumed>) = 0 [pid 6567] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] <... futex resumed>) = 0 [pid 6570] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6569] <... futex resumed>) = 0 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6570] <... setsockopt resumed>) = 0 [pid 6569] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6570] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] <... mmap resumed>) = 0x7fc1280a9000 [pid 6570] <... futex resumed>) = 1 [pid 6569] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6567] <... futex resumed>) = 0 [pid 6570] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] <... mprotect resumed>) = 0 [pid 6567] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6567] <... futex resumed>) = 0 [pid 6570] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6570] <... setsockopt resumed>) = 0 [pid 6569] <... clone resumed>, parent_tid=[6571], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6571 [pid 6570] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 0 [pid 6570] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6571 attached [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6567] <... futex resumed>) = 0 [pid 6571] set_robust_list(0x7fc1280c99e0, 24 [pid 6570] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... set_robust_list resumed>) = 0 [pid 6570] <... setsockopt resumed>) = 0 [pid 6571] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6570] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... socket resumed>) = 3 [pid 6570] <... futex resumed>) = 1 [pid 6567] <... futex resumed>) = 0 [pid 6571] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 0 [ 229.141676][ T6557] FAULT_INJECTION: forcing a failure. [ 229.141676][ T6557] name fail_futex, interval 1, probability 0, space 0, times 0 [ 229.145810][ T6564] ? _raw_spin_unlock_irq+0x1f/0x40 [ 229.145842][ T6564] ? lockdep_hardirqs_on+0x79/0x100 [ 229.169024][ T6564] ? _raw_spin_unlock_irq+0x2a/0x40 [ 229.174260][ T6564] ? ptrace_notify+0xfa/0x140 [ 229.178969][ T6564] do_syscall_64+0x35/0xb0 [ 229.183418][ T6564] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 229.189349][ T6564] RIP: 0033:0x7fc128117db9 [pid 6571] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6569] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... sendto resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6571] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6570] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... setsockopt resumed>) = 0 [pid 6570] <... futex resumed>) = 1 [pid 6567] <... futex resumed>) = 0 [pid 6571] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 0 [pid 6571] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6569] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... sendto resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6571] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6570] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6570] <... futex resumed>) = 1 [pid 6567] <... futex resumed>) = 0 [pid 6571] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6567] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = 1 [pid 6570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 0 [pid 6571] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6569] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6567] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6570] <... openat resumed>) = 4 [pid 6569] <... futex resumed>) = 0 [pid 6571] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6570] write(4, "5", 1 [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... setsockopt resumed>) = 0 [pid 6570] <... write resumed>) = 1 [pid 6571] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6571] <... futex resumed>) = 1 [pid 6570] <... setsockopt resumed>) = 0 [pid 6569] <... futex resumed>) = 0 [pid 6571] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6570] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 229.193789][ T6564] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 229.213439][ T6564] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 229.221878][ T6564] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 229.229884][ T6564] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 229.237884][ T6564] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6570] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6567] <... futex resumed>) = 0 [pid 6571] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6570] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6567] exit_group(0 [pid 6571] <... sendto resumed>) = 1 [pid 6570] <... futex resumed>) = ? [pid 6567] <... exit_group resumed>) = ? [pid 6571] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6570] +++ exited with 0 +++ [pid 6567] +++ exited with 0 +++ ./strace-static-x86_64: Process 6568 attached ./strace-static-x86_64: Process 6566 attached [pid 6571] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6564] <... futex resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6567, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6571] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6571] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6571] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6571] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6572 [pid 6571] <... futex resumed>) = 1 [pid 6569] <... futex resumed>) = 0 [pid 6571] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6569] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6571] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6569] <... futex resumed>) = 0 [pid 6571] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6569] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6571] <... openat resumed>) = 4 [pid 6571] write(4, "5", 1./strace-static-x86_64: Process 6572 attached ) = 1 [pid 6572] set_robust_list(0x5555564f35e0, 24 [pid 6571] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6572] <... set_robust_list resumed>) = 0 [pid 6571] <... setsockopt resumed>) = 0 [ 229.245880][ T6564] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 229.253873][ T6564] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 229.261970][ T6564] [ 229.265726][ T6557] CPU: 1 PID: 6557 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 229.276264][ T6557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 229.286349][ T6557] Call Trace: [ 229.287582][ T6571] FAULT_INJECTION: forcing a failure. [pid 6572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6571] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6572] <... prctl resumed>) = 0 [pid 6572] setpgid(0, 0) = 0 [pid 6572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6572] write(3, "1000", 4) = 4 [pid 6572] close(3) = 0 [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6572] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6572] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6573], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6573 [pid 6572] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6573 attached [pid 6573] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6573] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6569] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6573] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6569] exit_group(0 [pid 6573] <... futex resumed>) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6569] <... exit_group resumed>) = ? [pid 6573] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] <... futex resumed>) = 0 [ 229.287582][ T6571] name fail_futex, interval 1, probability 0, space 0, times 0 [ 229.289629][ T6557] [ 229.289641][ T6557] dump_stack_lvl+0xcd/0x134 [ 229.309936][ T6557] should_fail.cold+0x5/0xa [ 229.314488][ T6557] get_futex_key+0x5b2/0x1c50 [ 229.319199][ T6557] ? __lock_acquire+0x163e/0x5660 [ 229.324259][ T6557] ? futex_setup_timer+0xf0/0xf0 [ 229.329230][ T6557] futex_wake+0xe4/0x490 [ 229.333499][ T6557] ? futex_wake_mark+0x1a0/0x1a0 [ 229.338477][ T6557] ? find_held_lock+0x2d/0x110 [ 229.343278][ T6557] do_futex+0x266/0x300 [pid 6573] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6573] <... setsockopt resumed>) = 0 [pid 6573] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6573] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] <... futex resumed>) = 0 [pid 6573] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6573] <... setsockopt resumed>) = 0 [pid 6573] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6573] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] <... futex resumed>) = 0 [pid 6573] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6573] <... setsockopt resumed>) = 0 [pid 6573] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6573] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] <... futex resumed>) = 0 [pid 6573] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6573] <... sendto resumed>) = 1 [pid 6573] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6573] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] <... futex resumed>) = 0 [pid 6573] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6573] <... sendto resumed>) = 1 [pid 6573] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6573] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6573] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6572] <... futex resumed>) = 0 [pid 6573] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6572] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6573] <... openat resumed>) = 4 [pid 6573] write(4, "5", 1) = 1 [ 229.347453][ T6557] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 229.353375][ T6557] mm_release+0x235/0x2c0 [ 229.357733][ T6557] do_exit+0x8a0/0x29d0 [ 229.361921][ T6557] ? find_held_lock+0x2d/0x110 [ 229.366732][ T6557] ? mm_update_next_owner+0x7a0/0x7a0 [ 229.372142][ T6557] ? lock_downgrade+0x6e0/0x6e0 [ 229.377038][ T6557] do_group_exit+0xd2/0x2f0 [ 229.381581][ T6557] get_signal+0x2542/0x2600 [ 229.386127][ T6557] ? exit_signals+0x8b0/0x8b0 [ 229.390828][ T6557] ? userns_owner+0x40/0x40 [pid 6573] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6573] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6572] <... futex resumed>) = 0 [pid 6573] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6572] exit_group(0 [pid 6573] <... futex resumed>) = ? [pid 6572] <... exit_group resumed>) = ? [pid 6573] +++ exited with 0 +++ [pid 6572] +++ exited with 0 +++ [pid 6568] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6572, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6568] <... prctl resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6568] setpgid(0, 0) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6574 [pid 6568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6568] write(3, "1000", 4) = 4 [pid 6568] close(3) = 0 [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6568] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6568] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6568] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6575], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6575 [pid 6568] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 229.395359][ T6557] ? __task_pid_nr_ns+0x168/0x4b0 [ 229.400414][ T6557] ? lock_downgrade+0x6e0/0x6e0 [ 229.405299][ T6557] arch_do_signal_or_restart+0x82/0x2300 [ 229.410966][ T6557] ? from_kuid_munged+0xa2/0x130 [ 229.415932][ T6557] ? find_held_lock+0x2d/0x110 [ 229.420716][ T6557] ? get_sigframe_size+0x10/0x10 [ 229.425676][ T6557] ? ptrace_notify+0xfa/0x140 [ 229.430387][ T6557] ? lock_downgrade+0x6e0/0x6e0 [ 229.435266][ T6557] ? send_sig+0xfe/0x160 [ 229.439628][ T6557] ? send_sig_info+0x140/0x140 [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6575 attached [pid 6575] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6575] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6575] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6575] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6568] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... setsockopt resumed>) = 0 [pid 6568] <... futex resumed>) = 0 [pid 6575] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6575] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6568] <... futex resumed>) = 0 [pid 6575] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... setsockopt resumed>) = 0 [pid 6575] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6575] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6568] <... futex resumed>) = 0 [pid 6575] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... setsockopt resumed>) = 0 [pid 6575] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] <... futex resumed>) = 0 [ 229.444425][ T6557] ? exit_to_user_mode_prepare+0x137/0x250 [ 229.450279][ T6557] exit_to_user_mode_prepare+0x15f/0x250 [ 229.455939][ T6557] syscall_exit_to_user_mode+0x19/0x50 [ 229.461421][ T6557] do_syscall_64+0x42/0xb0 [ 229.465858][ T6557] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 229.471785][ T6557] RIP: 0033:0x7fc128117db9 [ 229.476229][ T6557] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6575] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6568] <... futex resumed>) = 0 [pid 6575] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... sendto resumed>) = 1 [pid 6575] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6575] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6568] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... sendto resumed>) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6575] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... futex resumed>) = 0 [pid 6568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6575] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6568] <... futex resumed>) = 0 [pid 6575] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6568] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6575] <... openat resumed>) = 4 [pid 6575] write(4, "5", 1) = 1 [pid 6575] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6575] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6568] <... futex resumed>) = 0 [pid 6575] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6568] exit_group(0 [pid 6575] <... futex resumed>) = ? [pid 6568] <... exit_group resumed>) = ? [pid 6575] +++ exited with 0 +++ [pid 6568] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6568, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3615] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 229.495866][ T6557] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 229.504313][ T6557] RAX: fffffffffffffe00 RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 229.512320][ T6557] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04a8 [ 229.520323][ T6557] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 229.528412][ T6557] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 229.536412][ T6557] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 229.544425][ T6557] [ 229.547470][ T6571] CPU: 0 PID: 6571 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 229.558081][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 229.568156][ T6571] Call Trace: [ 229.571444][ T6571] [ 229.574374][ T6571] dump_stack_lvl+0xcd/0x134 [ 229.578975][ T6571] should_fail.cold+0x5/0xa [ 229.583489][ T6571] get_futex_key+0x5b2/0x1c50 [ 229.588174][ T6571] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 229.594158][ T6571] ? futex_setup_timer+0xf0/0xf0 [ 229.599106][ T6571] futex_wake+0xe4/0x490 [ 229.603353][ T6571] ? futex_wake_mark+0x1a0/0x1a0 [ 229.608292][ T6571] ? ptrace_stop.part.0+0x5ec/0xa80 [ 229.613587][ T6571] ? do_raw_spin_lock+0x120/0x2a0 [ 229.618620][ T6571] ? rwlock_bug.part.0+0x90/0x90 [ 229.623573][ T6571] ? _raw_spin_lock_irq+0x41/0x50 [ 229.628614][ T6571] do_futex+0x266/0x300 [ 229.632773][ T6571] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 229.638668][ T6571] ? find_held_lock+0x2d/0x110 [ 229.643444][ T6571] __x64_sys_futex+0x1b0/0x4a0 [ 229.648211][ T6571] ? do_futex+0x300/0x300 [ 229.652542][ T6571] ? _raw_spin_unlock_irq+0x1f/0x40 [ 229.657744][ T6571] ? lockdep_hardirqs_on+0x79/0x100 [ 229.662959][ T6571] ? _raw_spin_unlock_irq+0x2a/0x40 [ 229.668158][ T6571] ? ptrace_notify+0xfa/0x140 [ 229.672841][ T6571] do_syscall_64+0x35/0xb0 [ 229.677302][ T6571] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 229.683636][ T6571] RIP: 0033:0x7fc128117db9 [ 229.688142][ T6571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 229.707752][ T6571] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 229.716164][ T6571] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 229.724135][ T6571] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 229.732104][ T6571] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 229.740072][ T6571] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6566] set_robust_list(0x5555564f35e0, 24 [pid 6564] +++ exited with 0 +++ [pid 6563] +++ exited with 0 +++ [pid 6566] <... set_robust_list resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6576 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6563, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 6566] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6576 attached ./strace-static-x86_64: Process 6574 attached [pid 6571] <... futex resumed>) = ? [pid 6566] <... prctl resumed>) = 0 [pid 6576] set_robust_list(0x5555564f35e0, 24 [pid 6574] set_robust_list(0x5555564f35e0, 24 [pid 6576] <... set_robust_list resumed>) = 0 [pid 6574] <... set_robust_list resumed>) = 0 [pid 6571] +++ exited with 0 +++ [pid 6569] +++ exited with 0 +++ [pid 6566] setpgid(0, 0 [pid 6576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6566] <... setpgid resumed>) = 0 [pid 6557] +++ exited with 0 +++ [pid 6553] +++ exited with 0 +++ [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6576] <... prctl resumed>) = 0 [pid 6574] <... prctl resumed>) = 0 [pid 6566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6576] setpgid(0, 0 [pid 6574] setpgid(0, 0 [pid 6566] <... openat resumed>) = 3 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6553, si_uid=0, si_status=0, si_utime=0, si_stime=32} --- [pid 6576] <... setpgid resumed>) = 0 [pid 6574] <... setpgid resumed>) = 0 [pid 6566] write(3, "1000", 4 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6569, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6566] <... write resumed>) = 4 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6577 [pid 6576] <... openat resumed>) = 3 [pid 6574] <... openat resumed>) = 3 [pid 6566] close(3 [pid 3607] <... restart_syscall resumed>) = 0 [pid 6576] write(3, "1000", 4 [pid 6574] write(3, "1000", 4 [pid 6566] <... close resumed>) = 0 [pid 6576] <... write resumed>) = 4 [pid 6574] <... write resumed>) = 4 [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] close(3 [pid 6574] close(3 [pid 6566] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6578 [pid 6576] <... close resumed>) = 0 [pid 6574] <... close resumed>) = 0 [pid 6566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... mmap resumed>) = 0x7fc1280a9000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6576] <... futex resumed>) = 0 [pid 6574] <... futex resumed>) = 0 [pid 6566] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6576] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6566] <... mprotect resumed>) = 0 [pid 6576] <... mmap resumed>) = 0x7fc1280a9000 [pid 6574] <... mmap resumed>) = 0x7fc1280a9000 [pid 6566] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6576] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6574] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6576] <... mprotect resumed>) = 0 [pid 6574] <... mprotect resumed>) = 0 [pid 6566] <... clone resumed>, parent_tid=[6580], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6580 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6579 [pid 6576] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6574] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6566] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6579 attached ./strace-static-x86_64: Process 6577 attached ) = 0 [pid 6579] set_robust_list(0x5555564f35e0, 24 [pid 6576] <... clone resumed>, parent_tid=[6581], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6581 [pid 6574] <... clone resumed>, parent_tid=[6582], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6582 [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] <... set_robust_list resumed>) = 0 [pid 6576] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6576] <... futex resumed>) = 0 [pid 6574] <... futex resumed>) = 0 [pid 6579] <... prctl resumed>) = 0 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6579] setpgid(0, 0 [pid 6577] set_robust_list(0x5555564f35e0, 24./strace-static-x86_64: Process 6578 attached ) = 0 [pid 6579] <... setpgid resumed>) = 0 [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] <... openat resumed>) = 3 [pid 6577] <... prctl resumed>) = 0 [pid 6579] write(3, "1000", 4 [pid 6578] set_robust_list(0x5555564f35e0, 24 [pid 6579] <... write resumed>) = 4 [pid 6577] setpgid(0, 0 [pid 6578] <... set_robust_list resumed>) = 0 [pid 6579] close(3 [pid 6577] <... setpgid resumed>) = 0 [pid 6579] <... close resumed>) = 0 [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] <... mmap resumed>) = 0x7fc1280a9000 [pid 6579] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6577] <... openat resumed>) = 3 [pid 6579] <... mprotect resumed>) = 0 [pid 6578] <... prctl resumed>) = 0 [pid 6579] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6577] write(3, "1000", 4 [pid 6578] setpgid(0, 0./strace-static-x86_64: Process 6580 attached ./strace-static-x86_64: Process 6581 attached [pid 6577] <... write resumed>) = 4 [pid 6578] <... setpgid resumed>) = 0 [pid 6579] <... clone resumed>, parent_tid=[6583], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6583 [pid 6577] close(3 [pid 6581] set_robust_list(0x7fc1280c99e0, 24 [pid 6580] set_robust_list(0x7fc1280c99e0, 24 [pid 6579] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6577] <... close resumed>) = 0 [pid 6579] <... futex resumed>) = 0 [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6582 attached [pid 6581] <... set_robust_list resumed>) = 0 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6578] <... openat resumed>) = 3 [pid 6577] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6580] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP./strace-static-x86_64: Process 6583 attached [pid 6583] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6583] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6583] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6578] write(3, "1000", 4 [pid 6581] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6577] <... mmap resumed>) = 0x7fc1280a9000 [pid 6583] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6582] set_robust_list(0x7fc1280c99e0, 24 [pid 6580] <... socket resumed>) = 3 [pid 6579] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... write resumed>) = 4 [pid 6581] <... socket resumed>) = 3 [pid 6577] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6583] <... setsockopt resumed>) = 0 [pid 6582] <... set_robust_list resumed>) = 0 [pid 6581] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... futex resumed>) = 0 [pid 6578] close(3 [pid 6577] <... mprotect resumed>) = 0 [pid 6583] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] <... close resumed>) = 0 [pid 6583] <... futex resumed>) = 0 [pid 6582] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6581] <... futex resumed>) = 1 [pid 6580] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6577] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6576] <... futex resumed>) = 0 [pid 6566] <... futex resumed>) = 0 [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] <... socket resumed>) = 3 [pid 6581] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... futex resumed>) = 0 [pid 6576] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6582] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6578] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6577] <... clone resumed>, parent_tid=[6584], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6584 [pid 6576] <... futex resumed>) = 0 [pid 6566] <... futex resumed>) = 0 [pid 6583] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6581] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] <... mmap resumed>) = 0x7fc1280a9000 [pid 6577] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] <... futex resumed>) = 1 [pid 6574] <... futex resumed>) = 0 [pid 6583] <... setsockopt resumed>) = 0 [pid 6581] <... setsockopt resumed>) = 0 [pid 6580] <... setsockopt resumed>) = 0 [pid 6578] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6577] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6581] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... mprotect resumed>) = 0 [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6584 attached [pid 6583] <... futex resumed>) = 1 [ 229.748047][ T6571] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 229.756031][ T6571] [pid 6582] <... setsockopt resumed>) = 0 [pid 6580] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6578] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6581] <... futex resumed>) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6566] <... futex resumed>) = 0 [pid 6584] set_robust_list(0x7fc1280c99e0, 24 [pid 6583] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6566] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6584] <... set_robust_list resumed>) = 0 [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6582] <... futex resumed>) = 0 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6581] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6578] <... clone resumed>, parent_tid=[6585], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6585 [pid 6576] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = 0 [pid 6584] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6583] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6582] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6581] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... futex resumed>) = 0 [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6585 attached [pid 6584] <... socket resumed>) = 3 [pid 6583] <... setsockopt resumed>) = 0 [pid 6582] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6581] <... futex resumed>) = 0 [pid 6580] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6578] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] set_robust_list(0x7fc1280c99e0, 24 [pid 6584] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6585] <... set_robust_list resumed>) = 0 [pid 6584] <... futex resumed>) = 1 [pid 6583] <... futex resumed>) = 1 [pid 6582] <... futex resumed>) = 0 [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = 0 [pid 6585] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6584] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6581] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6580] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... futex resumed>) = 0 [pid 6566] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... socket resumed>) = 3 [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6582] <... setsockopt resumed>) = 0 [pid 6581] <... setsockopt resumed>) = 0 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6577] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6566] <... futex resumed>) = 0 [pid 6585] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6583] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6582] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] <... futex resumed>) = 1 [pid 6584] <... setsockopt resumed>) = 0 [pid 6582] <... futex resumed>) = 0 [pid 6581] <... futex resumed>) = 1 [pid 6580] <... setsockopt resumed>) = 0 [pid 6578] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... sendto resumed>) = 1 [pid 6582] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6581] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] <... futex resumed>) = 1 [pid 6583] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6584] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] <... futex resumed>) = 1 [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] <... futex resumed>) = 0 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] <... setsockopt resumed>) = 0 [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6583] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] <... sendto resumed>) = 1 [pid 6581] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6580] <... futex resumed>) = 1 [pid 6579] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... futex resumed>) = 0 [pid 6577] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = 0 [pid 6585] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6582] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = 0 [pid 6584] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6583] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6580] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... futex resumed>) = 0 [pid 6585] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... sendto resumed>) = 1 [pid 6582] <... futex resumed>) = 1 [pid 6581] <... sendto resumed>) = 1 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6574] <... futex resumed>) = 0 [pid 6566] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6584] <... futex resumed>) = 0 [pid 6583] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] <... futex resumed>) = 1 [pid 6579] <... futex resumed>) = 0 [pid 6574] <... futex resumed>) = 0 [pid 6583] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6579] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6582] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6580] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6579] <... futex resumed>) = 0 [pid 6578] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6566] <... futex resumed>) = 0 [pid 6581] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6582] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6579] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] <... futex resumed>) = 0 [pid 6583] <... openat resumed>) = 4 [pid 6578] <... futex resumed>) = 1 [pid 6577] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6584] <... futex resumed>) = 0 [pid 6583] write(4, "5", 1 [pid 6582] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... futex resumed>) = 1 [pid 6580] <... sendto resumed>) = 1 [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... futex resumed>) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6585] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6584] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6583] <... write resumed>) = 1 [pid 6582] <... futex resumed>) = 1 [pid 6581] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6574] <... futex resumed>) = 0 [pid 6585] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... setsockopt resumed>) = 0 [pid 6583] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6582] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = 1 [pid 6576] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = 1 [pid 6584] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6583] <... setsockopt resumed>) = 0 [pid 6582] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6581] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6580] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] <... futex resumed>) = 0 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6574] <... futex resumed>) = 0 [pid 6566] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 1 [pid 6583] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6581] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6578] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... futex resumed>) = 0 [pid 6574] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6566] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6583] <... futex resumed>) = 1 [pid 6582] <... openat resumed>) = 4 [pid 6581] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6579] <... futex resumed>) = 0 [pid 6578] <... futex resumed>) = 0 [pid 6577] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6583] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6582] write(4, "5", 1 [pid 6581] <... futex resumed>) = 1 [pid 6580] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6579] exit_group(0 [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6585] <... setsockopt resumed>) = 0 [pid 6584] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6583] <... futex resumed>) = ? [pid 6582] <... write resumed>) = 1 [pid 6581] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6580] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6579] <... exit_group resumed>) = ? [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6576] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... sendto resumed>) = 1 [pid 6583] +++ exited with 0 +++ [pid 6582] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6580] <... futex resumed>) = 1 [pid 6566] <... futex resumed>) = 0 [pid 6582] <... setsockopt resumed>) = 0 [pid 6581] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6580] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6566] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = 1 [pid 6584] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6582] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6581] <... openat resumed>) = 4 [pid 6580] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6579] +++ exited with 0 +++ [pid 6578] <... futex resumed>) = 0 [pid 6576] <... futex resumed>) = 0 [pid 6566] <... futex resumed>) = 0 [pid 6585] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 1 [pid 6578] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... futex resumed>) = 0 [pid 6576] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] <... futex resumed>) = 0 [pid 6577] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... futex resumed>) = 0 [pid 6585] <... sendto resumed>) = 1 [pid 6584] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6585] <... futex resumed>) = 1 [pid 6584] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6578] <... futex resumed>) = 0 [pid 6585] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... futex resumed>) = 1 [pid 6578] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6577] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6578] <... futex resumed>) = 0 [pid 6577] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6584] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6577] <... futex resumed>) = 0 [pid 6585] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6584] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6577] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... openat resumed>) = 4 [pid 6585] <... futex resumed>) = 1 [pid 6584] write(4, "5", 1 [pid 6581] write(4, "5", 1 [pid 6578] <... futex resumed>) = 0 [pid 6580] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6566] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6584] <... write resumed>) = 1 [pid 6578] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6584] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6578] <... futex resumed>) = 0 [ 229.855413][ T6582] FAULT_INJECTION: forcing a failure. [ 229.855413][ T6582] name fail_futex, interval 1, probability 0, space 0, times 0 [ 229.869667][ T6582] CPU: 0 PID: 6582 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 229.873549][ T6584] FAULT_INJECTION: forcing a failure. [ 229.873549][ T6584] name fail_futex, interval 1, probability 0, space 0, times 0 [ 229.880196][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 229.880212][ T6582] Call Trace: [ 229.880219][ T6582] [ 229.880228][ T6582] dump_stack_lvl+0xcd/0x134 [ 229.880261][ T6582] should_fail.cold+0x5/0xa [ 229.880288][ T6582] get_futex_key+0x5b2/0x1c50 [ 229.880311][ T6582] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 229.880340][ T6582] ? futex_setup_timer+0xf0/0xf0 [ 229.880373][ T6582] futex_wake+0xe4/0x490 [ 229.880401][ T6582] ? futex_wake_mark+0x1a0/0x1a0 [ 229.880427][ T6582] ? ptrace_stop.part.0+0x5ec/0xa80 [ 229.880454][ T6582] ? do_raw_spin_lock+0x120/0x2a0 [ 229.880479][ T6582] ? rwlock_bug.part.0+0x90/0x90 [ 229.958452][ T6582] ? _raw_spin_lock_irq+0x41/0x50 [ 229.963489][ T6582] do_futex+0x266/0x300 [ 229.967666][ T6582] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 229.973560][ T6582] ? find_held_lock+0x2d/0x110 [ 229.978344][ T6582] __x64_sys_futex+0x1b0/0x4a0 [ 229.983130][ T6582] ? do_futex+0x300/0x300 [ 229.987518][ T6582] ? _raw_spin_unlock_irq+0x1f/0x40 [ 229.992720][ T6582] ? lockdep_hardirqs_on+0x79/0x100 [ 229.997936][ T6582] ? _raw_spin_unlock_irq+0x2a/0x40 [ 230.003136][ T6582] ? ptrace_notify+0xfa/0x140 [ 230.007818][ T6582] do_syscall_64+0x35/0xb0 [ 230.012243][ T6582] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 230.018144][ T6582] RIP: 0033:0x7fc128117db9 [ 230.022562][ T6582] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 230.042177][ T6582] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6585] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6584] <... setsockopt resumed>) = 0 [pid 6578] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6585] <... openat resumed>) = 4 [pid 6584] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] write(4, "5", 1 [pid 6581] <... write resumed>) = 1 [pid 6580] <... openat resumed>) = 4 [pid 6578] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6577] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6576] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6574] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6579, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6585] <... write resumed>) = 1 [pid 6581] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6580] write(4, "5", 1 [pid 6577] exit_group(0 [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6585] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6581] <... setsockopt resumed>) = 0 [pid 6580] <... write resumed>) = 1 [pid 6577] <... exit_group resumed>) = ? [pid 3607] <... restart_syscall resumed>) = 0 [pid 6585] <... setsockopt resumed>) = 0 [pid 6581] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 230.050594][ T6582] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 230.058571][ T6582] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 230.066559][ T6582] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 230.074629][ T6582] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 230.082598][ T6582] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 230.090583][ T6582] [pid 6580] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6585] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6576] exit_group(0 [pid 6580] <... setsockopt resumed>) = 0 [pid 6576] <... exit_group resumed>) = ? [pid 6574] exit_group(0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6578] exit_group(0 [pid 6574] <... exit_group resumed>) = ? [pid 6578] <... exit_group resumed>) = ? [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6586 [ 230.106954][ T6581] FAULT_INJECTION: forcing a failure. [ 230.106954][ T6581] name fail_futex, interval 1, probability 0, space 0, times 0 [ 230.108049][ T6585] FAULT_INJECTION: forcing a failure. [ 230.108049][ T6585] name fail_futex, interval 1, probability 0, space 0, times 0 [ 230.133755][ T6581] CPU: 0 PID: 6581 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 230.144300][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 230.154373][ T6581] Call Trace: [ 230.157667][ T6581] [ 230.160604][ T6581] dump_stack_lvl+0xcd/0x134 [ 230.165230][ T6581] should_fail.cold+0x5/0xa [ 230.169755][ T6581] get_futex_key+0x5b2/0x1c50 [ 230.174446][ T6581] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 230.180452][ T6581] ? futex_setup_timer+0xf0/0xf0 [ 230.185419][ T6581] futex_wake+0xe4/0x490 [ 230.189686][ T6581] ? futex_wake_mark+0x1a0/0x1a0 [ 230.194639][ T6581] ? ptrace_stop.part.0+0x5ec/0xa80 [ 230.199855][ T6581] ? do_raw_spin_lock+0x120/0x2a0 [ 230.204904][ T6581] ? rwlock_bug.part.0+0x90/0x90 [ 230.209863][ T6581] ? _raw_spin_lock_irq+0x41/0x50 [ 230.214914][ T6581] do_futex+0x266/0x300 [ 230.214954][ T6580] FAULT_INJECTION: forcing a failure. [ 230.214954][ T6580] name fail_futex, interval 1, probability 0, space 0, times 0 [ 230.219078][ T6581] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 230.219104][ T6581] ? find_held_lock+0x2d/0x110 [ 230.219142][ T6581] __x64_sys_futex+0x1b0/0x4a0 [ 230.247281][ T6581] ? do_futex+0x300/0x300 [ 230.251628][ T6581] ? _raw_spin_unlock_irq+0x1f/0x40 [ 230.256841][ T6581] ? lockdep_hardirqs_on+0x79/0x100 [ 230.262054][ T6581] ? _raw_spin_unlock_irq+0x2a/0x40 [ 230.267277][ T6581] ? ptrace_notify+0xfa/0x140 [ 230.271984][ T6581] do_syscall_64+0x35/0xb0 [ 230.276419][ T6581] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 230.282335][ T6581] RIP: 0033:0x7fc128117db9 [ 230.286765][ T6581] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 230.306428][ T6581] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 230.314860][ T6581] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 230.322866][ T6581] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 230.330941][ T6581] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 230.338929][ T6581] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 230.346937][ T6581] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 230.354938][ T6581] [pid 6580] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6566] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6566] exit_group(0) = ? [ 230.358800][ T6584] CPU: 0 PID: 6584 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 230.369510][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 230.379581][ T6584] Call Trace: [ 230.382871][ T6584] [ 230.385810][ T6584] dump_stack_lvl+0xcd/0x134 [ 230.390418][ T6584] should_fail.cold+0x5/0xa [ 230.394934][ T6584] get_futex_key+0x5b2/0x1c50 [ 230.399628][ T6584] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 230.405626][ T6584] ? futex_setup_timer+0xf0/0xf0 [ 230.410594][ T6584] futex_wake+0xe4/0x490 [ 230.414857][ T6584] ? futex_wake_mark+0x1a0/0x1a0 [ 230.419808][ T6584] ? ptrace_stop.part.0+0x5ec/0xa80 [ 230.425021][ T6584] ? do_raw_spin_lock+0x120/0x2a0 [ 230.430064][ T6584] ? rwlock_bug.part.0+0x90/0x90 [ 230.435011][ T6584] ? _raw_spin_lock_irq+0x41/0x50 [ 230.440064][ T6584] do_futex+0x266/0x300 [ 230.444239][ T6584] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 230.450149][ T6584] ? find_held_lock+0x2d/0x110 [ 230.454955][ T6584] __x64_sys_futex+0x1b0/0x4a0 [ 230.459741][ T6584] ? do_futex+0x300/0x300 [ 230.464089][ T6584] ? _raw_spin_unlock_irq+0x1f/0x40 [ 230.469305][ T6584] ? lockdep_hardirqs_on+0x79/0x100 [ 230.474526][ T6584] ? _raw_spin_unlock_irq+0x2a/0x40 [ 230.479742][ T6584] ? ptrace_notify+0xfa/0x140 [ 230.484438][ T6584] do_syscall_64+0x35/0xb0 [ 230.488971][ T6584] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 230.494886][ T6584] RIP: 0033:0x7fc128117db9 [ 230.499321][ T6584] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 230.518956][ T6584] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 230.527387][ T6584] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 230.535372][ T6584] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 230.543363][ T6584] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 230.551342][ T6584] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 ./strace-static-x86_64: Process 6586 attached [ 230.559337][ T6584] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 230.567344][ T6584] [ 230.575157][ T6585] CPU: 1 PID: 6585 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 230.585704][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 230.595770][ T6585] Call Trace: [ 230.599056][ T6585] [ 230.601997][ T6585] dump_stack_lvl+0xcd/0x134 [ 230.606618][ T6585] should_fail.cold+0x5/0xa [ 230.611142][ T6585] get_futex_key+0x5b2/0x1c50 [ 230.615839][ T6585] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 230.621839][ T6585] ? futex_setup_timer+0xf0/0xf0 [ 230.626805][ T6585] futex_wake+0xe4/0x490 [ 230.631065][ T6585] ? futex_wake_mark+0x1a0/0x1a0 [ 230.636194][ T6585] ? ptrace_stop.part.0+0x5ec/0xa80 [ 230.641415][ T6585] ? do_raw_spin_lock+0x120/0x2a0 [ 230.646464][ T6585] ? rwlock_bug.part.0+0x90/0x90 [ 230.651414][ T6585] ? _raw_spin_lock_irq+0x41/0x50 [ 230.656476][ T6585] do_futex+0x266/0x300 [ 230.660650][ T6585] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 230.666560][ T6585] ? find_held_lock+0x2d/0x110 [ 230.671351][ T6585] __x64_sys_futex+0x1b0/0x4a0 [ 230.676141][ T6585] ? do_futex+0x300/0x300 [ 230.680488][ T6585] ? _raw_spin_unlock_irq+0x1f/0x40 [ 230.685705][ T6585] ? lockdep_hardirqs_on+0x79/0x100 [ 230.690913][ T6585] ? _raw_spin_unlock_irq+0x2a/0x40 [ 230.696127][ T6585] ? ptrace_notify+0xfa/0x140 [ 230.700808][ T6585] do_syscall_64+0x35/0xb0 [ 230.705230][ T6585] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 230.711136][ T6585] RIP: 0033:0x7fc128117db9 [ 230.715548][ T6585] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 230.735156][ T6585] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 230.743589][ T6585] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 230.751561][ T6585] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6586] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6586] setpgid(0, 0) = 0 [pid 6586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6586] write(3, "1000", 4) = 4 [pid 6586] close(3) = 0 [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6586] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6586] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6587], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6587 [ 230.759529][ T6585] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 230.767508][ T6585] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 230.775477][ T6585] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 230.783471][ T6585] [ 230.807241][ T6580] CPU: 1 PID: 6580 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 230.817790][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 230.827862][ T6580] Call Trace: [ 230.831149][ T6580] [ 230.834090][ T6580] dump_stack_lvl+0xcd/0x134 [ 230.838704][ T6580] should_fail.cold+0x5/0xa [ 230.843228][ T6580] get_futex_key+0x5b2/0x1c50 [ 230.847921][ T6580] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 230.853921][ T6580] ? futex_setup_timer+0xf0/0xf0 [ 230.858889][ T6580] futex_wake+0xe4/0x490 [ 230.863155][ T6580] ? futex_wake_mark+0x1a0/0x1a0 [ 230.868108][ T6580] ? ptrace_stop.part.0+0x5ec/0xa80 [ 230.873325][ T6580] ? do_raw_spin_lock+0x120/0x2a0 [ 230.878369][ T6580] ? rwlock_bug.part.0+0x90/0x90 [ 230.883325][ T6580] ? _raw_spin_lock_irq+0x41/0x50 [ 230.888374][ T6580] do_futex+0x266/0x300 [ 230.892575][ T6580] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 230.898480][ T6580] ? find_held_lock+0x2d/0x110 [ 230.903256][ T6580] __x64_sys_futex+0x1b0/0x4a0 [ 230.908025][ T6580] ? do_futex+0x300/0x300 [ 230.912354][ T6580] ? _raw_spin_unlock_irq+0x1f/0x40 [ 230.917581][ T6580] ? lockdep_hardirqs_on+0x79/0x100 [ 230.922871][ T6580] ? _raw_spin_unlock_irq+0x2a/0x40 [ 230.928070][ T6580] ? ptrace_notify+0xfa/0x140 [ 230.932839][ T6580] do_syscall_64+0x35/0xb0 [ 230.937258][ T6580] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 230.943157][ T6580] RIP: 0033:0x7fc128117db9 [ 230.947603][ T6580] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 230.967247][ T6580] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 230.975668][ T6580] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 230.983728][ T6580] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 230.991699][ T6580] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 230.999669][ T6580] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 ./strace-static-x86_64: Process 6587 attached [pid 6586] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6584] <... futex resumed>) = ? [pid 6582] <... futex resumed>) = ? [pid 6587] set_robust_list(0x7fc1280c99e0, 24 [pid 6586] <... futex resumed>) = 0 [pid 6584] +++ exited with 0 +++ [pid 6577] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6577, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6587] <... set_robust_list resumed>) = 0 [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6582] +++ exited with 0 +++ [pid 6574] +++ exited with 0 +++ [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6587] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6574, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3608] <... restart_syscall resumed>) = 0 [pid 6587] <... socket resumed>) = 3 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6587] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... restart_syscall resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6587] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6588 ./strace-static-x86_64: Process 6588 attached [pid 6587] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] set_robust_list(0x5555564f35e0, 24 [pid 6587] <... setsockopt resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6589 ./strace-static-x86_64: Process 6589 attached [pid 6588] <... set_robust_list resumed>) = 0 [pid 6587] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6589] set_robust_list(0x5555564f35e0, 24 [pid 6588] <... prctl resumed>) = 0 [pid 6587] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... set_robust_list resumed>) = 0 [pid 6588] setpgid(0, 0 [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] <... futex resumed>) = 0 [pid 6589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6588] <... setpgid resumed>) = 0 [pid 6587] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] <... prctl resumed>) = 0 [pid 6588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6587] <... setsockopt resumed>) = 0 [pid 6589] setpgid(0, 0 [pid 6587] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... openat resumed>) = 3 [pid 6589] <... setpgid resumed>) = 0 [pid 6588] write(3, "1000", 4 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6588] <... write resumed>) = 4 [pid 6587] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... openat resumed>) = 3 [pid 6588] close(3 [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] <... futex resumed>) = 0 [pid 6589] write(3, "1000", 4 [pid 6588] <... close resumed>) = 0 [pid 6587] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] <... write resumed>) = 4 [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... setsockopt resumed>) = 0 [pid 6589] close(3 [pid 6588] <... futex resumed>) = 0 [pid 6587] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... close resumed>) = 0 [pid 6588] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... mmap resumed>) = 0x7fc1280a9000 [pid 6587] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = 0 [pid 6588] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] <... futex resumed>) = 0 [pid 6589] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6588] <... mprotect resumed>) = 0 [pid 6587] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6589] <... mmap resumed>) = 0x7fc1280a9000 [pid 6588] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6581] <... futex resumed>) = ? [ 231.007636][ T6580] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 231.015630][ T6580] [pid 6589] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6588] <... clone resumed>, parent_tid=[6590], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6590 [pid 6587] <... sendto resumed>) = 1 [pid 6589] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6588] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... futex resumed>) = 0 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6589] <... clone resumed>, parent_tid=[6591], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6591 [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6590 attached [pid 6589] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] <... futex resumed>) = 0 [pid 6590] set_robust_list(0x7fc1280c99e0, 24 [pid 6589] <... futex resumed>) = 0 [pid 6587] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] <... set_robust_list resumed>) = 0 [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6590] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6587] <... sendto resumed>) = 1 [pid 6590] <... socket resumed>) = 3 [pid 6587] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 1 [pid 6588] <... futex resumed>) = 0 [pid 6587] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6586] <... futex resumed>) = 0 [pid 6581] +++ exited with 0 +++ [pid 6576] +++ exited with 0 +++ [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] <... futex resumed>) = 0 [pid 6587] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6586] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6591 attached [pid 6590] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] <... openat resumed>) = 4 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6576, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6591] set_robust_list(0x7fc1280c99e0, 24 [pid 6590] <... setsockopt resumed>) = 0 [pid 6587] write(4, "5", 1 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 6591] <... set_robust_list resumed>) = 0 [pid 6590] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... write resumed>) = 1 [pid 3615] <... restart_syscall resumed>) = 0 [pid 6591] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6590] <... futex resumed>) = 1 [pid 6588] <... futex resumed>) = 0 [pid 6587] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6591] <... socket resumed>) = 3 [pid 6590] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] <... setsockopt resumed>) = 0 [pid 6591] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] <... futex resumed>) = 0 [pid 6587] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6591] <... futex resumed>) = 1 [pid 6590] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6589] <... futex resumed>) = 0 [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6587] <... futex resumed>) = 1 [pid 6586] <... futex resumed>) = 0 [pid 6591] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6589] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6587] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6586] exit_group(0 [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6590] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = 0 [pid 6587] <... futex resumed>) = ? [pid 6586] <... exit_group resumed>) = ? [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6592 [pid 6591] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6590] <... futex resumed>) = 1 [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... futex resumed>) = 0 [pid 6587] +++ exited with 0 +++ [pid 6591] <... setsockopt resumed>) = 0 [pid 6591] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6586] +++ exited with 0 +++ ./strace-static-x86_64: Process 6592 attached [pid 6591] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6589] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... futex resumed>) = 0 [pid 6592] set_robust_list(0x5555564f35e0, 24 [pid 6591] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6590] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6589] <... futex resumed>) = 0 [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6586, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6592] <... set_robust_list resumed>) = 0 [pid 6591] <... setsockopt resumed>) = 0 [pid 6590] <... setsockopt resumed>) = 0 [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6591] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3607] <... restart_syscall resumed>) = 0 [pid 6592] <... prctl resumed>) = 0 [pid 6591] <... futex resumed>) = 0 [pid 6590] <... futex resumed>) = 1 [pid 6589] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6588] <... futex resumed>) = 0 [pid 6592] setpgid(0, 0 [pid 6591] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6590] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] <... futex resumed>) = 0 [pid 6588] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... setpgid resumed>) = 0 [pid 6591] <... setsockopt resumed>) = 0 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6591] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] <... openat resumed>) = 3 [pid 6591] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6593 [pid 6592] write(3, "1000", 4 [pid 6591] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] <... sendto resumed>) = 1 [pid 6589] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6593 attached [pid 6592] <... write resumed>) = 4 [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6590] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = 0 [pid 6593] set_robust_list(0x5555564f35e0, 24 [pid 6592] close(3 [pid 6591] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6590] <... futex resumed>) = 1 [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... futex resumed>) = 0 [pid 6585] <... futex resumed>) = ? [pid 6593] <... set_robust_list resumed>) = 0 [pid 6592] <... close resumed>) = 0 [pid 6591] <... sendto resumed>) = 1 [pid 6590] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6585] +++ exited with 0 +++ [pid 6578] +++ exited with 0 +++ [pid 6593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6592] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] <... futex resumed>) = 0 [pid 6593] <... prctl resumed>) = 0 [pid 6592] <... futex resumed>) = 0 [pid 6591] <... futex resumed>) = 1 [pid 6590] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6589] <... futex resumed>) = 0 [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6578, si_uid=0, si_status=0, si_utime=0, si_stime=36} --- [pid 6593] setpgid(0, 0 [pid 6592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6591] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6589] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6593] <... setpgid resumed>) = 0 [pid 6592] <... mmap resumed>) = 0x7fc1280a9000 [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6590] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6589] <... futex resumed>) = 0 [pid 6593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6592] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6591] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6590] <... futex resumed>) = 1 [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6588] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6594 [pid 6593] <... openat resumed>) = 3 [pid 6592] <... mprotect resumed>) = 0 [pid 6591] <... sendto resumed>) = 1 [pid 6590] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6588] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6594 attached [pid 6593] write(3, "1000", 4 [pid 6592] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6591] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6588] <... futex resumed>) = 0 [pid 6594] set_robust_list(0x5555564f35e0, 24 [pid 6593] <... write resumed>) = 4 [pid 6591] <... futex resumed>) = 1 [pid 6590] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6589] <... futex resumed>) = 0 [pid 6588] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6580] <... futex resumed>) = ? ./strace-static-x86_64: Process 6595 attached [pid 6594] <... set_robust_list resumed>) = 0 [pid 6593] close(3 [pid 6592] <... clone resumed>, parent_tid=[6595], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6595 [pid 6591] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6590] <... openat resumed>) = 4 [pid 6589] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6580] +++ exited with 0 +++ [pid 6566] +++ exited with 0 +++ [pid 6595] set_robust_list(0x7fc1280c99e0, 24 [pid 6594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6593] <... close resumed>) = 0 [pid 6592] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6590] write(4, "5", 1 [pid 6589] <... futex resumed>) = 0 [pid 6595] <... set_robust_list resumed>) = 0 [pid 6594] <... prctl resumed>) = 0 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] <... futex resumed>) = 0 [pid 6591] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6590] <... write resumed>) = 1 [pid 6589] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6566, si_uid=0, si_status=0, si_utime=0, si_stime=32} --- [pid 6595] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6594] setpgid(0, 0 [pid 6593] <... futex resumed>) = 0 [pid 6592] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6591] <... openat resumed>) = 4 [pid 6590] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 6595] <... socket resumed>) = 3 [pid 6594] <... setpgid resumed>) = 0 [pid 6593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6591] write(4, "5", 1 [pid 6590] <... setsockopt resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 6595] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6593] <... mmap resumed>) = 0x7fc1280a9000 [pid 6591] <... write resumed>) = 1 [pid 6590] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] <... futex resumed>) = 1 [pid 6594] <... openat resumed>) = 3 [pid 6593] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6592] <... futex resumed>) = 0 [pid 6591] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6594] write(3, "1000", 4 [pid 6593] <... mprotect resumed>) = 0 [pid 6591] <... setsockopt resumed>) = 0 [pid 6594] <... write resumed>) = 4 [pid 6593] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6591] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] close(3 [pid 6591] <... futex resumed>) = 1 [pid 6589] <... futex resumed>) = 0 [pid 6594] <... close resumed>) = 0 [pid 6593] <... clone resumed>, parent_tid=[6596], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6596 [pid 6591] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6589] exit_group(0 [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6591] <... futex resumed>) = ? [pid 6589] <... exit_group resumed>) = ? [pid 6594] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6591] +++ exited with 0 +++ [pid 6589] +++ exited with 0 +++ [pid 6595] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6589, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 6596 attached [pid 6595] <... setsockopt resumed>) = 0 [pid 6594] <... mmap resumed>) = 0x7fc1280a9000 [pid 6592] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6596] set_robust_list(0x7fc1280c99e0, 24 [pid 6595] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6592] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] <... set_robust_list resumed>) = 0 [pid 6595] <... futex resumed>) = 0 [pid 6594] <... mprotect resumed>) = 0 [pid 6592] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6595] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6594] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6592] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6597 [pid 6596] <... socket resumed>) = 3 [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6592] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6597 attached [pid 6596] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6594] <... clone resumed>, parent_tid=[6598], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6598 [pid 6592] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6597] set_robust_list(0x5555564f35e0, 24 [pid 6596] <... futex resumed>) = 1 [pid 6595] <... setsockopt resumed>) = 0 [pid 6594] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... futex resumed>) = 0 [pid 6597] <... set_robust_list resumed>) = 0 [pid 6596] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6594] <... futex resumed>) = 0 [pid 6593] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6599 ./strace-static-x86_64: Process 6598 attached [pid 6597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6593] <... futex resumed>) = 0 [pid 6598] set_robust_list(0x7fc1280c99e0, 24 [pid 6597] <... prctl resumed>) = 0 [pid 6596] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... set_robust_list resumed>) = 0 [pid 6597] setpgid(0, 0 [pid 6596] <... setsockopt resumed>) = 0 [pid 6598] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6597] <... setpgid resumed>) = 0 [pid 6596] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... socket resumed>) = 3 [pid 6597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6596] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6598] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... openat resumed>) = 3 [pid 6596] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = 1 [pid 6597] write(3, "1000", 4 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6598] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] <... write resumed>) = 4 [pid 6596] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6594] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] close(3 [pid 6596] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6594] <... futex resumed>) = 0 [pid 6598] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6597] <... close resumed>) = 0 [pid 6596] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... setsockopt resumed>) = 0 [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6598] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] <... futex resumed>) = 0 [pid 6596] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = 1 [pid 6597] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6598] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] <... mmap resumed>) = 0x7fc1280a9000 [ 231.173828][ T6590] FAULT_INJECTION: forcing a failure. [ 231.173828][ T6590] name fail_futex, interval 1, probability 0, space 0, times 0 [ 231.199075][ T6590] CPU: 0 PID: 6590 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 231.209644][ T6590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 231.219727][ T6590] Call Trace: [pid 6596] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6594] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6596] <... setsockopt resumed>) = 0 [pid 6594] <... futex resumed>) = 0 [pid 6598] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6597] <... mprotect resumed>) = 0 [pid 6596] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6597] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6596] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [ 231.223029][ T6590] [ 231.225981][ T6590] dump_stack_lvl+0xcd/0x134 [ 231.230612][ T6590] should_fail.cold+0x5/0xa [ 231.235152][ T6590] get_futex_key+0x5b2/0x1c50 [ 231.239858][ T6590] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 231.245873][ T6590] ? futex_setup_timer+0xf0/0xf0 [ 231.250857][ T6590] futex_wake+0xe4/0x490 [ 231.255143][ T6590] ? futex_wake_mark+0x1a0/0x1a0 [ 231.260111][ T6590] ? ptrace_stop.part.0+0x5ec/0xa80 [ 231.263886][ T6596] FAULT_INJECTION: forcing a failure. [ 231.263886][ T6596] name fail_futex, interval 1, probability 0, space 0, times 0 [ 231.265333][ T6590] ? do_raw_spin_lock+0x120/0x2a0 [ 231.265361][ T6590] ? rwlock_bug.part.0+0x90/0x90 [ 231.265382][ T6590] ? _raw_spin_lock_irq+0x41/0x50 [ 231.265412][ T6590] do_futex+0x266/0x300 [ 231.265436][ T6590] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 231.265458][ T6590] ? find_held_lock+0x2d/0x110 [ 231.265492][ T6590] __x64_sys_futex+0x1b0/0x4a0 [ 231.265519][ T6590] ? do_futex+0x300/0x300 [ 231.265536][ T6590] ? _raw_spin_unlock_irq+0x1f/0x40 [ 231.265564][ T6590] ? lockdep_hardirqs_on+0x79/0x100 [ 231.288942][ T6598] FAULT_INJECTION: forcing a failure. [ 231.288942][ T6598] name fail_futex, interval 1, probability 0, space 0, times 0 [ 231.293253][ T6590] ? _raw_spin_unlock_irq+0x2a/0x40 [ 231.345521][ T6590] ? ptrace_notify+0xfa/0x140 [ 231.350301][ T6590] do_syscall_64+0x35/0xb0 [ 231.354721][ T6590] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 231.360622][ T6590] RIP: 0033:0x7fc128117db9 [ 231.365038][ T6590] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 231.384747][ T6590] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 231.393173][ T6590] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 231.401151][ T6590] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 231.409129][ T6590] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 231.417103][ T6590] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6598] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] <... futex resumed>) = 1 [pid 6597] <... clone resumed>, parent_tid=[6600], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6600 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6598] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6594] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] <... futex resumed>) = 0 [pid 6596] <... sendto resumed>) = 1 [pid 6594] <... futex resumed>) = 0 [pid 6598] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6600 attached [pid 6598] <... setsockopt resumed>) = 0 [pid 6596] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6600] set_robust_list(0x7fc1280c99e0, 24 [pid 6598] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... set_robust_list resumed>) = 0 [pid 6598] <... futex resumed>) = 1 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6600] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6598] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6596] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6594] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... socket resumed>) = 3 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6594] <... futex resumed>) = 0 [pid 6600] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6596] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... futex resumed>) = 1 [pid 6598] <... sendto resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = 1 [pid 6593] <... futex resumed>) = 0 [pid 6600] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6593] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6593] <... futex resumed>) = 0 [pid 6600] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6598] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6594] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... setsockopt resumed>) = 0 [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6596] <... openat resumed>) = 4 [pid 6594] <... futex resumed>) = 0 [pid 6600] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6596] write(4, "5", 1 [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... futex resumed>) = 1 [pid 6598] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6597] <... futex resumed>) = 0 [pid 6596] <... write resumed>) = 1 [pid 6600] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6596] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6596] <... setsockopt resumed>) = 0 [pid 6594] <... futex resumed>) = 0 [pid 6600] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6598] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6594] <... futex resumed>) = 0 [pid 6600] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6594] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... futex resumed>) = 1 [pid 6598] <... openat resumed>) = 4 [pid 6597] <... futex resumed>) = 0 [pid 6600] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6598] write(4, "5", 1 [pid 6597] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6598] <... write resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6600] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6598] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... setsockopt resumed>) = 0 [pid 6598] <... setsockopt resumed>) = 0 [pid 6600] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6598] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6600] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] <... futex resumed>) = 0 [pid 6600] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6600] <... sendto resumed>) = 1 [pid 6600] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6600] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6593] exit_group(0 [pid 6592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6600] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6593] <... exit_group resumed>) = ? [pid 6592] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] <... futex resumed>) = 0 [pid 6592] <... futex resumed>) = 0 [pid 6600] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6600] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6592] <... mmap resumed>) = 0x7fc128088000 [pid 6600] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6600] <... futex resumed>) = 1 [pid 6597] <... futex resumed>) = 0 [pid 6592] <... mprotect resumed>) = 0 [pid 6600] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6597] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6592] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6597] <... futex resumed>) = 0 [pid 6600] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6597] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6594] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6592] <... clone resumed>, parent_tid=[6601], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6601 [pid 6600] <... openat resumed>) = 4 [pid 6594] exit_group(0 [pid 6592] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6600] write(4, "5", 1 [pid 6597] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6595] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6594] <... exit_group resumed>) = ? [pid 6592] <... futex resumed>) = 0 [pid 6588] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6600] <... write resumed>) = 1 [ 231.425072][ T6590] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 231.433059][ T6590] [ 231.440729][ T6596] CPU: 1 PID: 6596 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 231.451280][ T6596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 231.461355][ T6596] Call Trace: [ 231.464678][ T6596] [ 231.467795][ T6596] dump_stack_lvl+0xcd/0x134 [ 231.472426][ T6596] should_fail.cold+0x5/0xa [ 231.476959][ T6596] get_futex_key+0x5b2/0x1c50 [ 231.481656][ T6596] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 231.487658][ T6596] ? futex_setup_timer+0xf0/0xf0 [ 231.492624][ T6596] futex_wake+0xe4/0x490 [ 231.496902][ T6596] ? futex_wake_mark+0x1a0/0x1a0 [ 231.501870][ T6596] ? ptrace_stop.part.0+0x5ec/0xa80 [ 231.507096][ T6596] ? do_raw_spin_lock+0x120/0x2a0 [ 231.512143][ T6596] ? rwlock_bug.part.0+0x90/0x90 [ 231.517100][ T6596] ? _raw_spin_lock_irq+0x41/0x50 [ 231.522246][ T6596] do_futex+0x266/0x300 [ 231.526426][ T6596] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 231.532333][ T6596] ? find_held_lock+0x2d/0x110 [ 231.537121][ T6596] __x64_sys_futex+0x1b0/0x4a0 [ 231.541910][ T6596] ? do_futex+0x300/0x300 [ 231.546254][ T6596] ? _raw_spin_unlock_irq+0x1f/0x40 [ 231.551471][ T6596] ? lockdep_hardirqs_on+0x79/0x100 [ 231.556682][ T6596] ? _raw_spin_unlock_irq+0x2a/0x40 [ 231.561901][ T6596] ? ptrace_notify+0xfa/0x140 [ 231.566596][ T6596] do_syscall_64+0x35/0xb0 [ 231.571023][ T6596] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 231.576930][ T6596] RIP: 0033:0x7fc128117db9 [ 231.581363][ T6596] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 231.601007][ T6596] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 231.609448][ T6596] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 231.617601][ T6596] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6592] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6601 attached ./strace-static-x86_64: Process 6599 attached [pid 6600] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6595] <... futex resumed>) = 0 [pid 6588] exit_group(0 [pid 6600] <... setsockopt resumed>) = 0 [ 231.625581][ T6596] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 231.633574][ T6596] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 231.641570][ T6596] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 231.649575][ T6596] [ 231.652603][ T6598] CPU: 0 PID: 6598 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 231.660986][ T6600] FAULT_INJECTION: forcing a failure. [ 231.660986][ T6600] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6600] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6597] exit_group(0) = ? [pid 6592] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6592] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 231.663110][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 231.663127][ T6598] Call Trace: [ 231.663136][ T6598] [ 231.663145][ T6598] dump_stack_lvl+0xcd/0x134 [ 231.696805][ T6598] should_fail.cold+0x5/0xa [ 231.701333][ T6598] get_futex_key+0x5b2/0x1c50 [ 231.706028][ T6598] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 231.712046][ T6598] ? futex_setup_timer+0xf0/0xf0 [ 231.717018][ T6598] futex_wake+0xe4/0x490 [ 231.721291][ T6598] ? futex_wake_mark+0x1a0/0x1a0 [pid 6592] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6601] set_robust_list(0x7fc1280a89e0, 24 [pid 6599] set_robust_list(0x5555564f35e0, 24 [pid 6595] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6588] <... exit_group resumed>) = ? [pid 6601] <... set_robust_list resumed>) = 0 [pid 6599] <... set_robust_list resumed>) = 0 [pid 6595] <... sendto resumed>) = 1 [pid 6601] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6595] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6601] <... setsockopt resumed>) = 0 [pid 6599] <... prctl resumed>) = 0 [pid 6595] <... futex resumed>) = 1 [pid 6592] <... futex resumed>) = 0 [pid 6601] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] setpgid(0, 0 [pid 6595] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [ 231.726271][ T6598] ? ptrace_stop.part.0+0x5ec/0xa80 [ 231.731500][ T6598] ? do_raw_spin_lock+0x120/0x2a0 [ 231.736547][ T6598] ? rwlock_bug.part.0+0x90/0x90 [ 231.741511][ T6598] ? _raw_spin_lock_irq+0x41/0x50 [ 231.746570][ T6598] do_futex+0x266/0x300 [ 231.750751][ T6598] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 231.756664][ T6598] ? find_held_lock+0x2d/0x110 [ 231.761468][ T6598] __x64_sys_futex+0x1b0/0x4a0 [ 231.766277][ T6598] ? do_futex+0x300/0x300 [ 231.770626][ T6598] ? _raw_spin_unlock_irq+0x1f/0x40 [ 231.775845][ T6598] ? lockdep_hardirqs_on+0x79/0x100 [ 231.781072][ T6598] ? _raw_spin_unlock_irq+0x2a/0x40 [ 231.786298][ T6598] ? ptrace_notify+0xfa/0x140 [ 231.791005][ T6598] do_syscall_64+0x35/0xb0 [ 231.795451][ T6598] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 231.801375][ T6598] RIP: 0033:0x7fc128117db9 [ 231.805799][ T6598] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6601] <... futex resumed>) = 0 [pid 6599] <... setpgid resumed>) = 0 [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6592] <... futex resumed>) = 0 [pid 6601] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6595] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6592] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... openat resumed>) = 3 [pid 6595] <... sendto resumed>) = 1 [pid 6599] write(3, "1000", 4 [pid 6595] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... write resumed>) = 4 [pid 6595] <... futex resumed>) = 1 [pid 6592] <... futex resumed>) = 0 [pid 6599] close(3 [pid 6595] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... close resumed>) = 0 [pid 6595] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6592] <... futex resumed>) = 0 [pid 6599] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6592] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... futex resumed>) = 0 [pid 6595] <... openat resumed>) = 4 [pid 6599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6595] write(4, "5", 1 [pid 6599] <... mmap resumed>) = 0x7fc1280a9000 [pid 6595] <... write resumed>) = 1 [pid 6599] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6595] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6599] <... mprotect resumed>) = 0 [pid 6595] <... setsockopt resumed>) = 0 [pid 6599] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6595] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6592] <... futex resumed>) = 0 [pid 6599] <... clone resumed>, parent_tid=[6602], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6602 [pid 6595] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6592] exit_group(0 [pid 6601] <... futex resumed>) = ? [pid 6599] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6595] <... futex resumed>) = ? [pid 6592] <... exit_group resumed>) = ? [pid 6601] +++ exited with 0 +++ [pid 6599] <... futex resumed>) = 0 [pid 6595] +++ exited with 0 +++ [pid 6592] +++ exited with 0 +++ [pid 6599] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6592, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6603 ./strace-static-x86_64: Process 6603 attached [pid 6603] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6603] setpgid(0, 0) = 0 [pid 6603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6603] write(3, "1000", 4) = 4 [pid 6603] close(3) = 0 [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6603] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6603] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6603] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6604], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6604 [pid 6603] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6604 attached [pid 6604] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6604] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6604] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6604] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = 0 [pid 6604] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] <... setsockopt resumed>) = 0 [pid 6599] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6604] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... futex resumed>) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6599] <... futex resumed>) = 0 [pid 6604] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = 0 [pid 6599] <... mmap resumed>) = 0x7fc128088000 [pid 6604] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6604] <... setsockopt resumed>) = 0 [pid 6599] <... mprotect resumed>) = 0 [pid 6604] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6604] <... futex resumed>) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6604] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... clone resumed>, parent_tid=[6605], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6605 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = 0 [pid 6599] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] <... futex resumed>) = 0 [pid 6604] <... setsockopt resumed>) = 0 [pid 6599] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6605 attached [pid 6604] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] set_robust_list(0x7fc1280a89e0, 24 [pid 6604] <... futex resumed>) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6605] <... set_robust_list resumed>) = 0 [pid 6604] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = 0 [pid 6605] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6604] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6605] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] <... sendto resumed>) = 1 [pid 6605] <... futex resumed>) = 1 [pid 6604] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6602 attached [pid 6605] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6604] <... futex resumed>) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6599] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6604] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] set_robust_list(0x7fc1280c99e0, 24 [pid 6599] <... futex resumed>) = 0 [ 231.825439][ T6598] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 231.833876][ T6598] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 231.841870][ T6598] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 231.849866][ T6598] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 231.857866][ T6598] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 231.865866][ T6598] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 231.873884][ T6598] [ 231.890633][ T6600] CPU: 1 PID: 6600 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 231.901186][ T6600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 231.911255][ T6600] Call Trace: [ 231.914545][ T6600] [ 231.917481][ T6600] dump_stack_lvl+0xcd/0x134 [ 231.922083][ T6600] should_fail.cold+0x5/0xa [ 231.926590][ T6600] get_futex_key+0x5b2/0x1c50 [ 231.931268][ T6600] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 231.937253][ T6600] ? futex_setup_timer+0xf0/0xf0 [ 231.942197][ T6600] futex_wake+0xe4/0x490 [ 231.946446][ T6600] ? futex_wake_mark+0x1a0/0x1a0 [ 231.951384][ T6600] ? ptrace_stop.part.0+0x5ec/0xa80 [ 231.956601][ T6600] ? do_raw_spin_lock+0x120/0x2a0 [ 231.961628][ T6600] ? rwlock_bug.part.0+0x90/0x90 [ 231.966588][ T6600] ? _raw_spin_lock_irq+0x41/0x50 [ 231.971652][ T6600] do_futex+0x266/0x300 [ 231.975827][ T6600] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 231.981725][ T6600] ? find_held_lock+0x2d/0x110 [ 231.986506][ T6600] __x64_sys_futex+0x1b0/0x4a0 [ 231.991292][ T6600] ? do_futex+0x300/0x300 [ 231.995638][ T6600] ? _raw_spin_unlock_irq+0x1f/0x40 [ 232.000864][ T6600] ? lockdep_hardirqs_on+0x79/0x100 [ 232.006094][ T6600] ? _raw_spin_unlock_irq+0x2a/0x40 [ 232.011319][ T6600] ? ptrace_notify+0xfa/0x140 [ 232.016011][ T6600] do_syscall_64+0x35/0xb0 [ 232.020446][ T6600] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 232.026373][ T6600] RIP: 0033:0x7fc128117db9 [ 232.030803][ T6600] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 232.050432][ T6600] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 232.058867][ T6600] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 232.066867][ T6600] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 232.074841][ T6600] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 232.082814][ T6600] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6605] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6604] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6603] <... futex resumed>) = 0 [pid 6602] <... set_robust_list resumed>) = 0 [pid 6599] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6596] <... futex resumed>) = ? [pid 6590] <... futex resumed>) = ? [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6596] +++ exited with 0 +++ [pid 6593] +++ exited with 0 +++ [pid 6590] +++ exited with 0 +++ [pid 6588] +++ exited with 0 +++ [pid 6605] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6605] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6602] <... socket resumed>) = 3 [pid 6605] <... futex resumed>) = 1 [pid 6602] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = 0 [pid 6604] <... sendto resumed>) = 1 [pid 6602] <... futex resumed>) = 0 [pid 6602] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6588, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6604] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6593, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6599] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6604] <... futex resumed>) = 1 [pid 6603] <... futex resumed>) = 0 [pid 6602] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6599] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6602] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6602] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6603] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6606 attached [pid 6606] set_robust_list(0x5555564f35e0, 24 [pid 6603] <... futex resumed>) = 0 [pid 6604] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6603] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6599] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6606 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6607 [pid 6606] <... set_robust_list resumed>) = 0 [pid 6604] <... openat resumed>) = 4 [pid 6602] <... futex resumed>) = 0 [pid 6599] <... futex resumed>) = 1 [pid 6602] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6599] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6604] write(4, "5", 1 [pid 6606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6606] setpgid(0, 0) = 0 [pid 6606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6602] <... sendto resumed>) = 1 [pid 6604] <... write resumed>) = 1 [pid 6602] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6602] <... futex resumed>) = 1 [pid 6599] <... futex resumed>) = 0 [pid 6604] <... setsockopt resumed>) = 0 [pid 6602] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6599] <... futex resumed>) = 0 [pid 6603] <... futex resumed>) = 0 [pid 6599] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6602] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6604] <... futex resumed>) = 1 [pid 6603] exit_group(0 [pid 6602] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6604] syscall_0xffffffffffffff91(0xffffff01, 0x7ffce88685d4, 0x40000001, 0, 0xe8, 0x7ffce88a1080 [pid 6603] <... exit_group resumed>) = ? [pid 6602] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6604] +++ exited with 0 +++ ./strace-static-x86_64: Process 6607 attached [pid 6606] <... openat resumed>) = 3 [pid 6607] set_robust_list(0x5555564f35e0, 24 [pid 6606] write(3, "1000", 4 [pid 6607] <... set_robust_list resumed>) = 0 [pid 6606] <... write resumed>) = 4 [pid 6607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6606] close(3 [pid 6607] <... prctl resumed>) = 0 [pid 6606] <... close resumed>) = 0 [pid 6607] setpgid(0, 0 [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6602] <... futex resumed>) = 1 [pid 6599] <... futex resumed>) = 0 [pid 6607] <... setpgid resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6602] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6599] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6603] +++ exited with 0 +++ [pid 6602] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6599] <... futex resumed>) = 0 [pid 6607] <... openat resumed>) = 3 [pid 6606] <... mmap resumed>) = 0x7fc1280a9000 [pid 6600] <... futex resumed>) = ? [pid 6598] <... futex resumed>) = ? [pid 6607] write(3, "1000", 4 [pid 6606] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6607] <... write resumed>) = 4 [pid 6606] <... mprotect resumed>) = 0 [pid 6602] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6599] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6603, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6607] close(3 [pid 6606] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6607] <... close resumed>) = 0 [pid 6598] +++ exited with 0 +++ [pid 6594] +++ exited with 0 +++ [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] <... clone resumed>, parent_tid=[6608], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6608 [pid 6602] <... openat resumed>) = 4 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6594, si_uid=0, si_status=0, si_utime=0, si_stime=35} --- [pid 6607] <... futex resumed>) = 0 [pid 6606] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6606] <... futex resumed>) = 0 [pid 6607] <... mmap resumed>) = 0x7fc1280a9000 [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6607] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6602] write(4, "5", 1 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6607] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6602] <... write resumed>) = 1 [pid 6607] <... clone resumed>, parent_tid=[6609], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6609 [pid 6607] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6608 attached [pid 6608] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6602] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6610 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6611 [pid 6602] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6602] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6599] <... futex resumed>) = 0 [pid 6602] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6599] exit_group(0 [pid 6608] <... socket resumed>) = 3 [pid 6608] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6606] <... futex resumed>) = 0 [pid 6608] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6606] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6605] <... futex resumed>) = ? [pid 6602] <... futex resumed>) = ? [pid 6599] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6611 attached [pid 6608] <... setsockopt resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6605] +++ exited with 0 +++ [pid 6611] set_robust_list(0x5555564f35e0, 24 [pid 6608] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6611] <... set_robust_list resumed>) = 0 [pid 6608] <... futex resumed>) = 0 [pid 6606] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6608] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6606] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... prctl resumed>) = 0 [pid 6608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] <... futex resumed>) = 0 [pid 6602] +++ exited with 0 +++ [pid 6599] +++ exited with 0 +++ [pid 6611] setpgid(0, 0 [pid 6608] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6599, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6611] <... setpgid resumed>) = 0 [pid 6608] <... setsockopt resumed>) = 0 [pid 6611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6608] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6610 attached ./strace-static-x86_64: Process 6609 attached [pid 6611] <... openat resumed>) = 3 [pid 6608] <... futex resumed>) = 1 [pid 6606] <... futex resumed>) = 0 [pid 6600] +++ exited with 0 +++ [pid 6597] +++ exited with 0 +++ [pid 6611] write(3, "1000", 4 [pid 6608] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6606] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... write resumed>) = 4 [pid 6610] set_robust_list(0x5555564f35e0, 24 [pid 6609] set_robust_list(0x7fc1280c99e0, 24 [pid 6608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6597, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6611] close(3 [pid 6610] <... set_robust_list resumed>) = 0 [pid 6609] <... set_robust_list resumed>) = 0 [pid 6608] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6611] <... close resumed>) = 0 [pid 6610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6608] <... setsockopt resumed>) = 0 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... futex resumed>) = 0 [pid 6608] <... futex resumed>) = 1 [pid 6606] <... futex resumed>) = 0 [pid 6611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6608] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6606] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... mmap resumed>) = 0x7fc1280a9000 [pid 6610] <... prctl resumed>) = 0 [pid 6609] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6612 [pid 6611] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6610] setpgid(0, 0 [ 232.090800][ T6600] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 232.098785][ T6600] [pid 6608] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6613 [pid 6609] <... socket resumed>) = 3 ./strace-static-x86_64: Process 6613 attached ./strace-static-x86_64: Process 6612 attached [pid 6611] <... mprotect resumed>) = 0 [pid 6610] <... setpgid resumed>) = 0 [pid 6609] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] set_robust_list(0x5555564f35e0, 24 [pid 6612] set_robust_list(0x5555564f35e0, 24 [pid 6611] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6609] <... futex resumed>) = 1 [pid 6607] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6614 attached [pid 6613] <... set_robust_list resumed>) = 0 [pid 6612] <... set_robust_list resumed>) = 0 [pid 6610] <... openat resumed>) = 3 [pid 6609] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] <... sendto resumed>) = 1 [pid 6607] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] set_robust_list(0x7fc1280c99e0, 24 [pid 6613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6611] <... clone resumed>, parent_tid=[6614], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6614 [pid 6610] write(3, "1000", 4 [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6608] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] <... futex resumed>) = 0 [pid 6614] <... set_robust_list resumed>) = 0 [pid 6613] <... prctl resumed>) = 0 [pid 6612] <... prctl resumed>) = 0 [pid 6611] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... write resumed>) = 4 [pid 6609] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6608] <... futex resumed>) = 1 [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] <... futex resumed>) = 0 [pid 6614] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6613] setpgid(0, 0 [pid 6612] setpgid(0, 0 [pid 6611] <... futex resumed>) = 0 [pid 6610] close(3 [pid 6609] <... setsockopt resumed>) = 0 [pid 6608] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6606] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... socket resumed>) = 3 [pid 6613] <... setpgid resumed>) = 0 [pid 6612] <... setpgid resumed>) = 0 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] <... close resumed>) = 0 [pid 6609] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] <... futex resumed>) = 0 [pid 6614] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6608] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... futex resumed>) = 0 [pid 6611] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... futex resumed>) = 1 [pid 6608] <... sendto resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6614] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6611] <... futex resumed>) = 0 [pid 6610] <... futex resumed>) = 0 [pid 6609] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... setsockopt resumed>) = 0 [pid 6613] <... openat resumed>) = 3 [pid 6612] <... openat resumed>) = 3 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6608] <... futex resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6614] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] write(3, "1000", 4 [pid 6612] write(3, "1000", 4 [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... mmap resumed>) = 0x7fc1280a9000 [pid 6609] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6608] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... futex resumed>) = 0 [pid 6613] <... write resumed>) = 4 [pid 6612] <... write resumed>) = 4 [pid 6611] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6609] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6606] <... futex resumed>) = 0 [pid 6614] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6613] close(3 [pid 6612] close(3 [pid 6611] <... futex resumed>) = 0 [pid 6610] <... mprotect resumed>) = 0 [pid 6609] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6606] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6613] <... close resumed>) = 0 [pid 6612] <... close resumed>) = 0 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6609] <... futex resumed>) = 1 [pid 6608] <... openat resumed>) = 4 [pid 6607] <... futex resumed>) = 0 [pid 6614] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6609] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] write(4, "5", 1 [pid 6607] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... futex resumed>) = 0 [pid 6613] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = 0 [pid 6611] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... clone resumed>, parent_tid=[6615], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6615 [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6608] <... write resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6614] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6612] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6611] <... futex resumed>) = 0 [pid 6610] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6608] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6614] <... setsockopt resumed>) = 0 [pid 6613] <... mmap resumed>) = 0x7fc1280a9000 [pid 6612] <... mmap resumed>) = 0x7fc1280a9000 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] <... futex resumed>) = 0 [pid 6609] <... setsockopt resumed>) = 0 [pid 6608] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 6615 attached [pid 6614] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6612] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6608] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] set_robust_list(0x7fc1280c99e0, 24 [pid 6614] <... futex resumed>) = 0 [pid 6613] <... mprotect resumed>) = 0 [pid 6612] <... mprotect resumed>) = 0 [pid 6611] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... futex resumed>) = 1 [pid 6608] <... futex resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6606] <... futex resumed>) = 0 [pid 6615] <... set_robust_list resumed>) = 0 [pid 6614] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6613] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6612] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6611] <... futex resumed>) = 0 [pid 6609] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6608] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6606] exit_group(0 [pid 6615] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6614] <... sendto resumed>) = 1 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6608] <... futex resumed>) = ? [pid 6607] <... futex resumed>) = 0 [pid 6606] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6617 attached ./strace-static-x86_64: Process 6616 attached [pid 6615] <... socket resumed>) = 3 [pid 6614] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... clone resumed>, parent_tid=[6616], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6616 [pid 6612] <... clone resumed>, parent_tid=[6617], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6617 [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6609] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6608] +++ exited with 0 +++ [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6606] +++ exited with 0 +++ [pid 6617] set_robust_list(0x7fc1280c99e0, 24 [pid 6616] set_robust_list(0x7fc1280c99e0, 24 [pid 6615] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... futex resumed>) = 0 [pid 6613] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... futex resumed>) = 1 [pid 6614] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6611] <... futex resumed>) = 0 [pid 6610] <... futex resumed>) = 0 [pid 6617] <... set_robust_list resumed>) = 0 [pid 6615] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6614] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6613] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = 0 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... sendto resumed>) = 1 [pid 6617] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] <... set_robust_list resumed>) = 0 [pid 6611] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... futex resumed>) = 0 [pid 6609] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6606, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6617] <... socket resumed>) = 3 [pid 6616] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6615] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6614] <... futex resumed>) = 0 [pid 6611] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... futex resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6617] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... socket resumed>) = 3 [pid 6615] <... setsockopt resumed>) = 0 [pid 6614] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6611] <... futex resumed>) = 0 [pid 6609] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6617] <... futex resumed>) = 1 [pid 6616] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6614] <... openat resumed>) = 4 [pid 6612] <... futex resumed>) = 0 [pid 6611] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] <... futex resumed>) = 0 [pid 6617] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] <... futex resumed>) = 1 [pid 6615] <... futex resumed>) = 1 [pid 6614] write(4, "5", 1 [pid 6613] <... futex resumed>) = 0 [pid 6612] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... futex resumed>) = 0 [pid 6609] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6616] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6615] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6614] <... write resumed>) = 1 [pid 6613] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... futex resumed>) = 0 [pid 6610] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6617] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6614] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6613] <... futex resumed>) = 0 [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] <... futex resumed>) = 0 [pid 6609] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6617] <... setsockopt resumed>) = 0 [pid 6616] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6615] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6614] <... setsockopt resumed>) = 0 [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... futex resumed>) = 1 [pid 6607] <... futex resumed>) = 0 [pid 6617] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... setsockopt resumed>) = 0 [pid 6614] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6618 attached [pid 6617] <... futex resumed>) = 1 [pid 6616] <... setsockopt resumed>) = 0 [pid 6615] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... futex resumed>) = 0 [pid 6609] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6607] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6618 [pid 6618] set_robust_list(0x5555564f35e0, 24 [pid 6617] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6607] <... futex resumed>) = 0 [pid 6618] <... set_robust_list resumed>) = 0 [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6616] <... futex resumed>) = 1 [pid 6613] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = 0 [pid 6609] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6607] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6617] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6616] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6609] <... openat resumed>) = 4 [ 232.211245][ T6614] FAULT_INJECTION: forcing a failure. [ 232.211245][ T6614] name fail_futex, interval 1, probability 0, space 0, times 0 [ 232.225714][ T6614] CPU: 1 PID: 6614 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 232.236252][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 232.246307][ T6614] Call Trace: [ 232.249585][ T6614] [ 232.252515][ T6614] dump_stack_lvl+0xcd/0x134 [ 232.257114][ T6614] should_fail.cold+0x5/0xa [ 232.261623][ T6614] get_futex_key+0x5b2/0x1c50 [ 232.266306][ T6614] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 232.272291][ T6614] ? futex_setup_timer+0xf0/0xf0 [ 232.277238][ T6614] futex_wake+0xe4/0x490 [ 232.281486][ T6614] ? futex_wake_mark+0x1a0/0x1a0 [ 232.286435][ T6614] ? ptrace_stop.part.0+0x5ec/0xa80 [ 232.291636][ T6614] ? do_raw_spin_lock+0x120/0x2a0 [ 232.296682][ T6614] ? rwlock_bug.part.0+0x90/0x90 [ 232.301621][ T6614] ? _raw_spin_lock_irq+0x41/0x50 [ 232.306652][ T6614] do_futex+0x266/0x300 [ 232.310811][ T6614] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 232.316706][ T6614] ? find_held_lock+0x2d/0x110 [ 232.321483][ T6614] __x64_sys_futex+0x1b0/0x4a0 [ 232.326254][ T6614] ? do_futex+0x300/0x300 [ 232.330581][ T6614] ? _raw_spin_unlock_irq+0x1f/0x40 [ 232.335782][ T6614] ? lockdep_hardirqs_on+0x79/0x100 [ 232.340984][ T6614] ? _raw_spin_unlock_irq+0x2a/0x40 [ 232.346190][ T6614] ? ptrace_notify+0xfa/0x140 [ 232.350875][ T6614] do_syscall_64+0x35/0xb0 [ 232.355293][ T6614] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 232.361190][ T6614] RIP: 0033:0x7fc128117db9 [ 232.365605][ T6614] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 232.385217][ T6614] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 232.393646][ T6614] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 232.401619][ T6614] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6618] <... prctl resumed>) = 0 [pid 6617] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6615] <... futex resumed>) = 1 [pid 6613] <... futex resumed>) = 0 [pid 6611] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6610] <... futex resumed>) = 0 [pid 6609] write(4, "5", 1 [pid 6615] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6611] exit_group(0 [pid 6610] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6607] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6611] <... exit_group resumed>) = ? [pid 6610] <... futex resumed>) = 0 [pid 6615] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] <... setsockopt resumed>) = 0 [pid 6615] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] setpgid(0, 0 [pid 6617] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6615] <... futex resumed>) = 1 [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6610] <... futex resumed>) = 0 [pid 6609] <... write resumed>) = 1 [pid 6617] <... futex resumed>) = 0 [pid 6616] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6615] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6612] <... futex resumed>) = 0 [pid 6610] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6618] <... setpgid resumed>) = 0 [pid 6617] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... futex resumed>) = 0 [pid 6609] <... setsockopt resumed>) = 0 [pid 6617] <... setsockopt resumed>) = 0 [pid 6616] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6617] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... futex resumed>) = 1 [pid 6614] <... futex resumed>) = ? [pid 6613] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6609] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... openat resumed>) = 3 [pid 6617] <... futex resumed>) = 0 [pid 6616] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6615] <... sendto resumed>) = 1 [pid 6614] +++ exited with 0 +++ [pid 6613] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6611] +++ exited with 0 +++ [pid 6615] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6610] <... futex resumed>) = 0 [pid 6615] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... futex resumed>) = 0 [pid 6615] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] <... sendto resumed>) = 1 [pid 6615] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6610] <... futex resumed>) = 0 [pid 6615] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6610] <... futex resumed>) = 0 [pid 6615] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6610] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6615] <... openat resumed>) = 4 [pid 6615] write(4, "5", 1) = 1 [pid 6615] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6615] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6610] <... futex resumed>) = 0 [pid 6615] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6610] exit_group(0 [pid 6615] <... futex resumed>) = ? [pid 6610] <... exit_group resumed>) = ? [pid 6615] +++ exited with 0 +++ [pid 6610] +++ exited with 0 +++ [pid 6607] exit_group(0) = ? [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6610, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 232.409604][ T6614] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 232.417575][ T6614] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 232.425545][ T6614] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 232.433529][ T6614] [ 232.450841][ T6609] FAULT_INJECTION: forcing a failure. [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6619 [pid 6618] write(3, "1000", 4 [pid 6617] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6611, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- ./strace-static-x86_64: Process 6619 attached [pid 6619] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6619] setpgid(0, 0) = 0 [pid 6619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6619] write(3, "1000", 4) = 4 [pid 6619] close(3) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6619] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6619] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6620], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6620 [pid 6619] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6620 attached [pid 6620] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6620] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6620] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6619] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 1 [pid 6620] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6620] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6619] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 1 [pid 6620] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 6620] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6619] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 1 [pid 6620] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 6620] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6619] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 1 [pid 6620] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 6620] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [ 232.450841][ T6609] name fail_futex, interval 1, probability 0, space 0, times 0 [ 232.464055][ T6609] CPU: 1 PID: 6609 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 232.474594][ T6609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 232.484677][ T6609] Call Trace: [ 232.487974][ T6609] [ 232.490922][ T6609] dump_stack_lvl+0xcd/0x134 [ 232.495549][ T6609] should_fail.cold+0x5/0xa [ 232.500096][ T6609] get_futex_key+0x5b2/0x1c50 [ 232.504805][ T6609] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 6619] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 1 [pid 6620] sendto(3, "\x01", 1, 0, NULL, 0) = 1 [pid 6620] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6619] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6619] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6620] <... futex resumed>) = 1 [pid 6620] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 6620] write(4, "5", 1) = 1 [pid 6620] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6620] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6619] <... futex resumed>) = 0 [pid 6619] exit_group(0) = ? [pid 6620] <... futex resumed>) = ? [pid 6620] +++ exited with 0 +++ [pid 6619] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6619, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6621 ./strace-static-x86_64: Process 6621 attached [pid 6621] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6621] setpgid(0, 0) = 0 [pid 6621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6621] write(3, "1000", 4) = 4 [pid 6621] close(3) = 0 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [ 232.510819][ T6609] ? futex_setup_timer+0xf0/0xf0 [ 232.515803][ T6609] futex_wake+0xe4/0x490 [ 232.520081][ T6609] ? futex_wake_mark+0x1a0/0x1a0 [ 232.525042][ T6609] ? ptrace_stop.part.0+0x5ec/0xa80 [ 232.530271][ T6609] ? do_raw_spin_lock+0x120/0x2a0 [ 232.535323][ T6609] ? rwlock_bug.part.0+0x90/0x90 [ 232.540285][ T6609] ? _raw_spin_lock_irq+0x41/0x50 [ 232.545347][ T6609] do_futex+0x266/0x300 [ 232.549534][ T6609] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 232.555456][ T6609] ? find_held_lock+0x2d/0x110 [pid 6621] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6621] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6622], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6622 [pid 6621] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6622 attached [pid 6622] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6622] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6622] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... futex resumed>) = 0 [pid 6621] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... futex resumed>) = 1 [pid 6622] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6622] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... futex resumed>) = 0 [pid 6621] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... futex resumed>) = 1 [pid 6622] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 6622] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6622] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6621] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6622] <... setsockopt resumed>) = 0 [pid 6621] <... futex resumed>) = 0 [pid 6622] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... futex resumed>) = 0 [pid 6621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6622] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6621] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... sendto resumed>) = 1 [pid 6622] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... futex resumed>) = 0 [pid 6621] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... futex resumed>) = 1 [pid 6622] sendto(3, "\x01", 1, 0, NULL, 0) = 1 [pid 6622] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6621] <... futex resumed>) = 0 [pid 6621] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6621] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6622] <... futex resumed>) = 1 [ 232.560269][ T6609] __x64_sys_futex+0x1b0/0x4a0 [ 232.565082][ T6609] ? do_futex+0x300/0x300 [ 232.569437][ T6609] ? _raw_spin_unlock_irq+0x1f/0x40 [ 232.574666][ T6609] ? lockdep_hardirqs_on+0x79/0x100 [ 232.579895][ T6609] ? _raw_spin_unlock_irq+0x2a/0x40 [ 232.585123][ T6609] ? ptrace_notify+0xfa/0x140 [ 232.589834][ T6609] do_syscall_64+0x35/0xb0 [ 232.594274][ T6609] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 232.600197][ T6609] RIP: 0033:0x7fc128117db9 [pid 6622] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 6622] write(4, "5", 1) = 1 [pid 6622] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6622] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6621] <... futex resumed>) = 0 [pid 6622] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6621] exit_group(0 [pid 6622] <... futex resumed>) = ? [pid 6621] <... exit_group resumed>) = ? [pid 6622] +++ exited with 0 +++ [pid 6621] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6621, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6623 ./strace-static-x86_64: Process 6623 attached [pid 6623] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6623] setpgid(0, 0) = 0 [pid 6623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6623] write(3, "1000", 4) = 4 [pid 6623] close(3) = 0 [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6623] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6623] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6623] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6624], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6624 [pid 6623] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 232.604635][ T6609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 232.624274][ T6609] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 232.632725][ T6609] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 232.640729][ T6609] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 232.648726][ T6609] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6624 attached [pid 6624] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6624] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6624] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] <... futex resumed>) = 0 [pid 6623] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] <... futex resumed>) = 1 [pid 6624] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6618] <... write resumed>) = 4 [pid 6616] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] close(3) = 0 [pid 6616] <... setsockopt resumed>) = 0 [pid 6624] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... sendto resumed>) = 1 [pid 6616] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] <... futex resumed>) = ? [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6624] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6617] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... futex resumed>) = 1 [pid 6613] <... futex resumed>) = 0 [pid 6624] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6623] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6617] <... futex resumed>) = 1 [pid 6616] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... futex resumed>) = 0 [pid 6624] <... setsockopt resumed>) = 0 [pid 6623] <... futex resumed>) = 0 [pid 6618] <... mmap resumed>) = 0x7fc1280a9000 [pid 6617] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] <... futex resumed>) = 0 [pid 6612] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6609] +++ exited with 0 +++ [pid 6607] +++ exited with 0 +++ [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6625 [pid 6624] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6616] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6612] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6607, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6624] <... futex resumed>) = 0 [pid 6623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6618] <... mprotect resumed>) = 0 [pid 6617] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6624] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... futex resumed>) = 0 [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6624] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6617] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... sendto resumed>) = 1 [pid 6624] <... setsockopt resumed>) = 0 [pid 6617] <... futex resumed>) = 1 [pid 6612] <... futex resumed>) = 0 [pid 6616] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... clone resumed>, parent_tid=[6626], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6626 [pid 6617] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6616] <... futex resumed>) = 1 [pid 6613] <... futex resumed>) = 0 [pid 6612] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6618] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6616] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6612] <... futex resumed>) = 0 [pid 6624] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... futex resumed>) = 0 [pid 6617] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] <... futex resumed>) = 0 [pid 6612] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6626 attached ./strace-static-x86_64: Process 6625 attached [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... futex resumed>) = 0 [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... openat resumed>) = 4 [pid 6616] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] set_robust_list(0x7fc1280c99e0, 24 [pid 6625] set_robust_list(0x5555564f35e0, 24 [pid 6624] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] write(4, "5", 1 [pid 6616] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6626] <... set_robust_list resumed>) = 0 [pid 6625] <... set_robust_list resumed>) = 0 [pid 6617] <... write resumed>) = 1 [pid 6616] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6617] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6616] <... futex resumed>) = 1 [pid 6613] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6627 [pid 6626] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6625] <... prctl resumed>) = 0 [pid 6624] <... sendto resumed>) = 1 [pid 6617] <... setsockopt resumed>) = 0 [pid 6616] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6613] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6627 attached [pid 6626] <... socket resumed>) = 3 [ 232.656725][ T6609] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 232.664720][ T6609] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 232.672737][ T6609] [pid 6625] setpgid(0, 0 [pid 6624] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6617] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6613] <... futex resumed>) = 0 [pid 6627] set_robust_list(0x5555564f35e0, 24 [pid 6626] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] <... setpgid resumed>) = 0 [pid 6624] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6616] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6613] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6627] <... set_robust_list resumed>) = 0 [pid 6626] <... futex resumed>) = 1 [pid 6625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6624] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... futex resumed>) = 0 [pid 6616] <... openat resumed>) = 4 [pid 6627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6626] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] <... openat resumed>) = 3 [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... futex resumed>) = 0 [pid 6618] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] write(4, "5", 1 [pid 6627] <... prctl resumed>) = 0 [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6625] write(3, "1000", 4 [pid 6624] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] <... futex resumed>) = 0 [pid 6616] <... write resumed>) = 1 [pid 6627] setpgid(0, 0 [pid 6626] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6625] <... write resumed>) = 4 [pid 6624] <... sendto resumed>) = 1 [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6616] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6627] <... setpgid resumed>) = 0 [pid 6626] <... setsockopt resumed>) = 0 [pid 6625] close(3 [pid 6624] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6616] <... setsockopt resumed>) = 0 [pid 6627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 232.716446][ T6617] FAULT_INJECTION: forcing a failure. [ 232.716446][ T6617] name fail_futex, interval 1, probability 0, space 0, times 0 [ 232.747181][ T6617] CPU: 0 PID: 6617 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 232.747835][ T6616] FAULT_INJECTION: forcing a failure. [pid 6626] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] <... close resumed>) = 0 [pid 6624] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6616] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... openat resumed>) = 3 [pid 6626] <... futex resumed>) = 1 [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... futex resumed>) = 0 [pid 6612] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6627] write(3, "1000", 4 [pid 6625] <... futex resumed>) = 0 [pid 6612] exit_group(0 [pid 6627] <... write resumed>) = 4 [pid 6625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6612] <... exit_group resumed>) = ? [pid 6627] close(3 [pid 6625] <... mmap resumed>) = 0x7fc1280a9000 [pid 6627] <... close resumed>) = 0 [pid 6625] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] <... mprotect resumed>) = 0 [pid 6627] <... futex resumed>) = 0 [pid 6625] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6627] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6625] <... clone resumed>, parent_tid=[6628], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6628 [pid 6627] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6625] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] <... mprotect resumed>) = 0 [pid 6625] <... futex resumed>) = 0 [ 232.747835][ T6616] name fail_futex, interval 1, probability 0, space 0, times 0 [ 232.757720][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 232.757737][ T6617] Call Trace: [ 232.757745][ T6617] [ 232.757754][ T6617] dump_stack_lvl+0xcd/0x134 [ 232.757786][ T6617] should_fail.cold+0x5/0xa [ 232.757814][ T6617] get_futex_key+0x5b2/0x1c50 [ 232.800564][ T6617] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 232.806555][ T6617] ? futex_setup_timer+0xf0/0xf0 [ 232.811502][ T6617] futex_wake+0xe4/0x490 [ 232.815749][ T6617] ? futex_wake_mark+0x1a0/0x1a0 [ 232.820686][ T6617] ? ptrace_stop.part.0+0x5ec/0xa80 [ 232.825889][ T6617] ? do_raw_spin_lock+0x120/0x2a0 [ 232.830917][ T6617] ? rwlock_bug.part.0+0x90/0x90 [ 232.835851][ T6617] ? _raw_spin_lock_irq+0x41/0x50 [ 232.840894][ T6617] do_futex+0x266/0x300 [ 232.845052][ T6617] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 232.850947][ T6617] ? find_held_lock+0x2d/0x110 [ 232.855724][ T6617] __x64_sys_futex+0x1b0/0x4a0 [ 232.860491][ T6617] ? do_futex+0x300/0x300 [ 232.864822][ T6617] ? _raw_spin_unlock_irq+0x1f/0x40 [ 232.870029][ T6617] ? lockdep_hardirqs_on+0x79/0x100 [ 232.875229][ T6617] ? _raw_spin_unlock_irq+0x2a/0x40 [ 232.880428][ T6617] ? ptrace_notify+0xfa/0x140 [ 232.885110][ T6617] do_syscall_64+0x35/0xb0 [ 232.889527][ T6617] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 232.895427][ T6617] RIP: 0033:0x7fc128117db9 [ 232.899861][ T6617] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 232.919476][ T6617] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 232.927890][ T6617] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 232.935872][ T6617] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 232.943846][ T6617] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 232.951838][ T6617] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 232.959813][ T6617] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6627] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6626] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6628 attached [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6623] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6613] exit_group(0 [pid 6628] set_robust_list(0x7fc1280c99e0, 24 [pid 6627] <... clone resumed>, parent_tid=[6629], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6629 [pid 6626] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6624] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6623] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6613] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6629 attached [pid 6628] <... set_robust_list resumed>) = 0 [pid 6627] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6624] <... openat resumed>) = 4 [pid 6629] set_robust_list(0x7fc1280c99e0, 24 [pid 6628] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6627] <... futex resumed>) = 0 [pid 6626] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] write(4, "5", 1 [pid 6629] <... set_robust_list resumed>) = 0 [pid 6628] <... socket resumed>) = 3 [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] <... futex resumed>) = 1 [pid 6624] <... write resumed>) = 1 [pid 6618] <... futex resumed>) = 0 [pid 6629] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6628] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6618] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... socket resumed>) = 3 [pid 6628] <... futex resumed>) = 1 [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6625] <... futex resumed>) = 0 [pid 6624] <... setsockopt resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6629] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6625] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6624] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] <... futex resumed>) = 0 [pid 6626] <... setsockopt resumed>) = 0 [pid 6625] <... futex resumed>) = 0 [pid 6624] <... futex resumed>) = 1 [pid 6623] <... futex resumed>) = 0 [pid 6629] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6627] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6624] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6623] exit_group(0 [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] <... setsockopt resumed>) = 0 [pid 6627] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = 1 [pid 6624] <... futex resumed>) = ? [pid 6623] <... exit_group resumed>) = ? [pid 6618] <... futex resumed>) = 0 [pid 6629] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6628] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6624] +++ exited with 0 +++ [pid 6629] <... setsockopt resumed>) = 0 [pid 6628] <... futex resumed>) = 1 [pid 6625] <... futex resumed>) = 0 [pid 6618] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 232.967812][ T6617] [ 233.004938][ T6616] CPU: 1 PID: 6616 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 233.015494][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 233.025561][ T6616] Call Trace: [ 233.028851][ T6616] [ 233.031798][ T6616] dump_stack_lvl+0xcd/0x134 [ 233.036415][ T6616] should_fail.cold+0x5/0xa [ 233.042068][ T6616] get_futex_key+0x5b2/0x1c50 [ 233.046761][ T6616] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 233.052762][ T6616] ? futex_setup_timer+0xf0/0xf0 [ 233.057728][ T6616] futex_wake+0xe4/0x490 [ 233.061994][ T6616] ? futex_wake_mark+0x1a0/0x1a0 [ 233.066973][ T6616] ? ptrace_stop.part.0+0x5ec/0xa80 [ 233.072196][ T6616] ? do_raw_spin_lock+0x120/0x2a0 [ 233.077249][ T6616] ? rwlock_bug.part.0+0x90/0x90 [ 233.082206][ T6616] ? _raw_spin_lock_irq+0x41/0x50 [ 233.087256][ T6616] do_futex+0x266/0x300 [ 233.091436][ T6616] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 233.097346][ T6616] ? find_held_lock+0x2d/0x110 [ 233.102148][ T6616] __x64_sys_futex+0x1b0/0x4a0 [ 233.106940][ T6616] ? do_futex+0x300/0x300 [ 233.111286][ T6616] ? _raw_spin_unlock_irq+0x1f/0x40 [ 233.116511][ T6616] ? lockdep_hardirqs_on+0x79/0x100 [ 233.121756][ T6616] ? _raw_spin_unlock_irq+0x2a/0x40 [ 233.126993][ T6616] ? ptrace_notify+0xfa/0x140 [ 233.131713][ T6616] do_syscall_64+0x35/0xb0 [ 233.136160][ T6616] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 233.142113][ T6616] RIP: 0033:0x7fc128117db9 [ 233.146555][ T6616] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 233.166189][ T6616] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 233.174620][ T6616] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 233.182605][ T6616] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 233.190588][ T6616] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6628] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] <... futex resumed>) = 0 [pid 6625] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6623] +++ exited with 0 +++ [pid 6618] <... futex resumed>) = 1 [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] <... futex resumed>) = 0 [pid 6626] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6625] <... futex resumed>) = 0 [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6617] <... futex resumed>) = ? [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6623, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6629] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6627] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] <... setsockopt resumed>) = 0 [pid 6627] <... futex resumed>) = 0 [pid 6617] +++ exited with 0 +++ [pid 6626] <... sendto resumed>) = 1 [pid 6612] +++ exited with 0 +++ [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 6629] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6628] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... restart_syscall resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6612, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6629] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6628] <... futex resumed>) = 1 [pid 6626] <... futex resumed>) = 1 [pid 6625] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6629] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6625] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6629] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6627] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] <... setsockopt resumed>) = 0 [pid 6627] <... futex resumed>) = 0 [pid 6626] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6629] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6628] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6630 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6630 attached [pid 6629] <... setsockopt resumed>) = 0 [pid 6628] <... futex resumed>) = 1 [pid 6626] <... futex resumed>) = 1 [pid 6625] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6630] set_robust_list(0x5555564f35e0, 24 [pid 6629] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6631 ./strace-static-x86_64: Process 6631 attached [pid 6630] <... set_robust_list resumed>) = 0 [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] <... futex resumed>) = 0 [pid 6626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6625] <... futex resumed>) = 0 [pid 6618] <... futex resumed>) = 0 [pid 6631] set_robust_list(0x5555564f35e0, 24 [pid 6630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6629] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6627] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] <... set_robust_list resumed>) = 0 [pid 6630] <... prctl resumed>) = 0 [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] <... sendto resumed>) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6626] <... openat resumed>) = 4 [pid 6631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6630] setpgid(0, 0 [pid 6629] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6628] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6626] write(4, "5", 1 [pid 6631] <... prctl resumed>) = 0 [pid 6630] <... setpgid resumed>) = 0 [pid 6629] <... sendto resumed>) = 1 [pid 6628] <... futex resumed>) = 1 [pid 6626] <... write resumed>) = 1 [pid 6625] <... futex resumed>) = 0 [ 233.198575][ T6616] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 233.206644][ T6616] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 233.214650][ T6616] [pid 6631] setpgid(0, 0 [pid 6630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6629] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6626] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6625] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] <... setpgid resumed>) = 0 [pid 6630] <... openat resumed>) = 3 [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] <... futex resumed>) = 0 [pid 6626] <... setsockopt resumed>) = 0 [pid 6625] <... futex resumed>) = 0 [pid 6631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6630] write(3, "1000", 4 [pid 6629] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6627] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6626] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] <... openat resumed>) = 3 [pid 6630] <... write resumed>) = 4 [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] <... sendto resumed>) = 1 [pid 6627] <... futex resumed>) = 0 [pid 6629] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6628] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6628] <... futex resumed>) = 1 [pid 6625] <... futex resumed>) = 0 [pid 6629] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] <... futex resumed>) = 1 [pid 6628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6627] <... futex resumed>) = 0 [pid 6625] <... futex resumed>) = 0 [pid 6629] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6628] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6627] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6625] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6628] <... openat resumed>) = 4 [pid 6627] <... futex resumed>) = 0 [pid 6629] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6628] write(4, "5", 1 [pid 6627] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6629] <... openat resumed>) = 4 [pid 6628] <... write resumed>) = 1 [pid 6631] write(3, "1000", 4 [pid 6630] close(3 [pid 6629] write(4, "5", 1 [pid 6628] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6631] <... write resumed>) = 4 [pid 6630] <... close resumed>) = 0 [pid 6629] <... write resumed>) = 1 [pid 6628] <... setsockopt resumed>) = 0 [pid 6631] close(3 [pid 6630] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6629] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6628] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6631] <... close resumed>) = 0 [pid 6630] <... futex resumed>) = 0 [pid 6629] <... setsockopt resumed>) = 0 [pid 6628] <... futex resumed>) = 1 [pid 6625] <... futex resumed>) = 0 [pid 6631] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6629] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6628] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6625] exit_group(0 [pid 6631] <... futex resumed>) = 0 [pid 6630] <... mmap resumed>) = 0x7fc1280a9000 [pid 6628] <... futex resumed>) = ? [pid 6625] <... exit_group resumed>) = ? [pid 6628] +++ exited with 0 +++ [pid 6625] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6625, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6632 [ 233.272252][ T6626] FAULT_INJECTION: forcing a failure. [ 233.272252][ T6626] name fail_futex, interval 1, probability 0, space 0, times 0 [ 233.293455][ T6629] FAULT_INJECTION: forcing a failure. [ 233.293455][ T6629] name fail_futex, interval 1, probability 0, space 0, times 0 [ 233.304322][ T6626] CPU: 0 PID: 6626 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 6627] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6627] exit_group(0) = ? [ 233.316761][ T6626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 233.326844][ T6626] Call Trace: [ 233.330140][ T6626] [ 233.333093][ T6626] dump_stack_lvl+0xcd/0x134 [ 233.337725][ T6626] should_fail.cold+0x5/0xa [ 233.342256][ T6626] get_futex_key+0x5b2/0x1c50 [ 233.346958][ T6626] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 233.352968][ T6626] ? futex_setup_timer+0xf0/0xf0 [ 233.357938][ T6626] futex_wake+0xe4/0x490 [ 233.362202][ T6626] ? futex_wake_mark+0x1a0/0x1a0 [ 233.367153][ T6626] ? ptrace_stop.part.0+0x5ec/0xa80 [pid 6631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6631] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6631] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6633], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6633 [pid 6631] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 233.372371][ T6626] ? do_raw_spin_lock+0x120/0x2a0 [ 233.377411][ T6626] ? rwlock_bug.part.0+0x90/0x90 [ 233.382387][ T6626] ? _raw_spin_lock_irq+0x41/0x50 [ 233.387437][ T6626] do_futex+0x266/0x300 [ 233.391618][ T6626] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 233.397534][ T6626] ? find_held_lock+0x2d/0x110 [ 233.402338][ T6626] __x64_sys_futex+0x1b0/0x4a0 [ 233.407136][ T6626] ? do_futex+0x300/0x300 [ 233.411483][ T6626] ? _raw_spin_unlock_irq+0x1f/0x40 [ 233.416717][ T6626] ? lockdep_hardirqs_on+0x79/0x100 [pid 6631] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6630] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6634], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6634 [pid 6630] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 233.421928][ T6626] ? _raw_spin_unlock_irq+0x2a/0x40 [ 233.427148][ T6626] ? ptrace_notify+0xfa/0x140 [ 233.431853][ T6626] do_syscall_64+0x35/0xb0 [ 233.436292][ T6626] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 233.442383][ T6626] RIP: 0033:0x7fc128117db9 [ 233.446812][ T6626] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 233.466440][ T6626] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 233.475151][ T6626] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 233.483150][ T6626] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 233.491143][ T6626] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 233.499156][ T6626] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 233.507154][ T6626] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 233.515169][ T6626] [ 233.518201][ T6629] CPU: 1 PID: 6629 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 233.528719][ T6629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 233.538774][ T6629] Call Trace: [ 233.542052][ T6629] [ 233.544984][ T6629] dump_stack_lvl+0xcd/0x134 [ 233.549585][ T6629] should_fail.cold+0x5/0xa [ 233.554095][ T6629] get_futex_key+0x5b2/0x1c50 [ 233.558780][ T6629] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 233.564860][ T6629] ? futex_setup_timer+0xf0/0xf0 [ 233.569808][ T6629] futex_wake+0xe4/0x490 [ 233.574056][ T6629] ? futex_wake_mark+0x1a0/0x1a0 [ 233.578995][ T6629] ? ptrace_stop.part.0+0x5ec/0xa80 [ 233.584199][ T6629] ? do_raw_spin_lock+0x120/0x2a0 [ 233.589226][ T6629] ? rwlock_bug.part.0+0x90/0x90 [ 233.594184][ T6629] ? _raw_spin_lock_irq+0x41/0x50 [ 233.599216][ T6629] do_futex+0x266/0x300 [ 233.603377][ T6629] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 233.609273][ T6629] ? find_held_lock+0x2d/0x110 [ 233.614049][ T6629] __x64_sys_futex+0x1b0/0x4a0 [ 233.618827][ T6629] ? do_futex+0x300/0x300 [ 233.623168][ T6629] ? _raw_spin_unlock_irq+0x1f/0x40 [ 233.628375][ T6629] ? lockdep_hardirqs_on+0x79/0x100 [ 233.633576][ T6629] ? _raw_spin_unlock_irq+0x2a/0x40 [ 233.639645][ T6629] ? ptrace_notify+0xfa/0x140 [ 233.644413][ T6629] do_syscall_64+0x35/0xb0 [ 233.648831][ T6629] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 233.654731][ T6629] RIP: 0033:0x7fc128117db9 [ 233.659147][ T6629] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 233.678760][ T6629] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 233.687179][ T6629] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 233.695240][ T6629] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 233.703209][ T6629] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 233.711191][ T6629] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6630] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6631] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6631] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6631] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6631] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6631] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6635], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6635 [pid 6631] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6631] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6635 attached [pid 6635] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 6635] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 6635] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6635] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6631] <... futex resumed>) = 0 [pid 6635] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6631] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6635] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6635] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6631] <... futex resumed>) = 0 [pid 6635] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6631] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6635] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6630] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6635] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6630] <... futex resumed>) = 0 [pid 6635] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6631] <... futex resumed>) = 0 [pid 6630] <... mmap resumed>) = 0x7fc128088000 [pid 6635] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6631] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6635] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6630] <... mprotect resumed>) = 0 [pid 6635] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6635] <... futex resumed>) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6635] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6630] <... clone resumed>, parent_tid=[6636], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6636 [pid 6635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6631] <... futex resumed>) = 0 [pid 6630] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6636 attached [pid 6635] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6631] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] <... futex resumed>) = 0 [pid 6636] set_robust_list(0x7fc1280a89e0, 24 [pid 6635] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6630] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6636] <... set_robust_list resumed>) = 0 [pid 6635] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6635] <... futex resumed>) = 1 [pid 6631] <... futex resumed>) = 0 [pid 6636] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6635] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6631] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6636] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6631] <... futex resumed>) = 0 [pid 6636] <... futex resumed>) = 1 [pid 6635] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6631] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6630] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6634 attached ./strace-static-x86_64: Process 6633 attached ./strace-static-x86_64: Process 6632 attached [pid 6636] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] <... openat resumed>) = 3 [pid 6631] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6630] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6618] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6635] write(3, "5", 1 [pid 6634] set_robust_list(0x7fc1280c99e0, 24 [pid 6633] set_robust_list(0x7fc1280c99e0, 24 [pid 6632] set_robust_list(0x5555564f35e0, 24 [pid 6630] <... futex resumed>) = 0 [pid 6618] exit_group(0 [pid 6636] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6635] <... write resumed>) = 1 [pid 6634] <... set_robust_list resumed>) = 0 [pid 6633] <... set_robust_list resumed>) = 0 [pid 6632] <... set_robust_list resumed>) = 0 [pid 6630] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6618] <... exit_group resumed>) = ? [pid 6636] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6635] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6634] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6633] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6634] <... socket resumed>) = 3 [pid 6633] <... socket resumed>) = 4 [pid 6632] <... prctl resumed>) = 0 [pid 6636] <... futex resumed>) = 1 [pid 6635] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6633] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] setpgid(0, 0 [pid 6630] <... futex resumed>) = 0 [pid 6636] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6635] <... futex resumed>) = 0 [pid 6634] <... futex resumed>) = 0 [pid 6633] <... futex resumed>) = 0 [pid 6632] <... setpgid resumed>) = 0 [pid 6631] exit_group(0 [pid 6630] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6631] <... exit_group resumed>) = ? [pid 6630] <... futex resumed>) = 0 [pid 6634] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6633] +++ exited with 0 +++ [pid 6632] <... openat resumed>) = 3 [pid 6630] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6634] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] write(3, "1000", 4 [pid 6630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6634] <... futex resumed>) = 0 [pid 6632] <... write resumed>) = 4 [pid 6630] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6632] close(3 [pid 6630] <... futex resumed>) = 0 [pid 6632] <... close resumed>) = 0 [pid 6630] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6634] <... sendto resumed>) = 1 [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] <... futex resumed>) = 0 [pid 6634] <... futex resumed>) = 1 [pid 6632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6630] <... futex resumed>) = 0 [pid 6634] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] <... mmap resumed>) = 0x7fc1280a9000 [pid 6630] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6632] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6630] <... futex resumed>) = 0 [ 233.719179][ T6629] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 233.727252][ T6629] [ 233.760181][ T6635] FAULT_INJECTION: forcing a failure. [ 233.760181][ T6635] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6634] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6632] <... mprotect resumed>) = 0 [pid 6630] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6632] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6637], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6637 [pid 6632] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6637 attached [pid 6637] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6637] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6637] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6637] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6632] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... setsockopt resumed>) = 0 [pid 6632] <... futex resumed>) = 0 [pid 6637] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... futex resumed>) = 0 [pid 6632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6637] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6632] <... futex resumed>) = 0 [pid 6637] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... setsockopt resumed>) = 0 [pid 6637] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6637] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 233.788237][ T6635] CPU: 0 PID: 6635 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 233.798801][ T6635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 233.808889][ T6635] Call Trace: [ 233.812201][ T6635] [ 233.815156][ T6635] dump_stack_lvl+0xcd/0x134 [ 233.819788][ T6635] should_fail.cold+0x5/0xa [ 233.824328][ T6635] get_futex_key+0x11d2/0x1c50 [ 233.829125][ T6635] ? futex_setup_timer+0xf0/0xf0 [ 233.834103][ T6635] futex_wake+0xe4/0x490 [pid 6632] <... futex resumed>) = 0 [pid 6637] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... setsockopt resumed>) = 0 [pid 6637] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6637] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6632] <... futex resumed>) = 0 [pid 6637] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [ 233.838391][ T6635] ? futex_wake_mark+0x1a0/0x1a0 [ 233.843366][ T6635] ? find_held_lock+0x2d/0x110 [ 233.848167][ T6635] do_futex+0x266/0x300 [ 233.852352][ T6635] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 233.858288][ T6635] mm_release+0x235/0x2c0 [ 233.862655][ T6635] do_exit+0x8a0/0x29d0 [ 233.866841][ T6635] ? find_held_lock+0x2d/0x110 [ 233.871665][ T6635] ? mm_update_next_owner+0x7a0/0x7a0 [ 233.877069][ T6635] ? lock_downgrade+0x6e0/0x6e0 [ 233.881954][ T6635] do_group_exit+0xd2/0x2f0 [ 233.886493][ T6635] get_signal+0x2542/0x2600 [ 233.891030][ T6635] ? exit_signals+0x8b0/0x8b0 [ 233.895732][ T6635] ? userns_owner+0x40/0x40 [ 233.900266][ T6635] ? __task_pid_nr_ns+0x168/0x4b0 [ 233.905323][ T6635] ? lock_downgrade+0x6e0/0x6e0 [ 233.910206][ T6635] arch_do_signal_or_restart+0x82/0x2300 [ 233.915873][ T6635] ? from_kuid_munged+0xa2/0x130 [ 233.920843][ T6635] ? find_held_lock+0x2d/0x110 [ 233.925635][ T6635] ? get_sigframe_size+0x10/0x10 [ 233.930609][ T6635] ? ptrace_notify+0xfa/0x140 [ 233.935319][ T6635] ? lock_downgrade+0x6e0/0x6e0 [ 233.940196][ T6635] ? send_sig+0xfe/0x160 [ 233.944463][ T6635] ? send_sig_info+0x140/0x140 [ 233.949251][ T6635] ? exit_to_user_mode_prepare+0x137/0x250 [ 233.955085][ T6635] exit_to_user_mode_prepare+0x15f/0x250 [ 233.960749][ T6635] syscall_exit_to_user_mode+0x19/0x50 [ 233.966236][ T6635] do_syscall_64+0x42/0xb0 [ 233.970677][ T6635] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 233.976599][ T6635] RIP: 0033:0x7fc128117db9 [ 233.981074][ T6635] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 234.000708][ T6635] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 234.009150][ T6635] RAX: ffffffffffffffda RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 234.017151][ T6635] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 234.025162][ T6635] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... sendto resumed>) = 1 [pid 6637] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6637] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6632] <... futex resumed>) = 0 [pid 6637] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... sendto resumed>) = 1 [pid 6637] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6637] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6632] <... futex resumed>) = 0 [pid 6637] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6632] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6637] <... openat resumed>) = 4 [pid 6637] write(4, "5", 1) = 1 [pid 6637] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6637] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6632] <... futex resumed>) = 0 [pid 6637] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6632] exit_group(0 [pid 6637] <... futex resumed>) = ? [pid 6632] <... exit_group resumed>) = ? [pid 6637] +++ exited with 0 +++ [pid 6632] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6632, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6638 ./strace-static-x86_64: Process 6638 attached [pid 6638] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6638] setpgid(0, 0) = 0 [pid 6638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6638] write(3, "1000", 4) = 4 [pid 6638] close(3) = 0 [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6638] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6638] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6639], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6639 [pid 6638] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6639 attached [pid 6639] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6639] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6639] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6639] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6639] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] <... setsockopt resumed>) = 0 [pid 6639] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6639] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6639] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] <... setsockopt resumed>) = 0 [pid 6639] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6639] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6639] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] <... setsockopt resumed>) = 0 [pid 6639] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6639] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6639] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] <... sendto resumed>) = 1 [pid 6639] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6639] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6639] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] <... sendto resumed>) = 1 [pid 6639] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6639] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6639] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6638] <... futex resumed>) = 0 [pid 6639] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6638] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6639] <... openat resumed>) = 4 [pid 6639] write(4, "5", 1) = 1 [pid 6639] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6639] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6638] <... futex resumed>) = 0 [pid 6639] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6638] exit_group(0 [pid 6639] <... futex resumed>) = ? [pid 6638] <... exit_group resumed>) = ? [pid 6639] +++ exited with 0 +++ [pid 6638] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6638, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6640 ./strace-static-x86_64: Process 6640 attached [pid 6640] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6640] setpgid(0, 0) = 0 [pid 6640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6640] write(3, "1000", 4) = 4 [pid 6640] close(3) = 0 [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6640] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6640] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6641], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6641 [pid 6640] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6641 attached [pid 6641] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6641] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6641] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6641] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... futex resumed>) = 0 [pid 6641] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] <... setsockopt resumed>) = 0 [pid 6641] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6641] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... futex resumed>) = 0 [pid 6641] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] <... setsockopt resumed>) = 0 [pid 6641] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6641] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... futex resumed>) = 0 [pid 6641] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] <... setsockopt resumed>) = 0 [pid 6641] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6641] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... futex resumed>) = 0 [pid 6641] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] <... sendto resumed>) = 1 [pid 6641] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6641] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... futex resumed>) = 0 [pid 6641] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] <... sendto resumed>) = 1 [pid 6641] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6641] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6640] <... futex resumed>) = 0 [pid 6641] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6640] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6641] <... openat resumed>) = 4 [pid 6641] write(4, "5", 1) = 1 [pid 6641] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6641] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6640] <... futex resumed>) = 0 [pid 6641] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6640] exit_group(0 [pid 6641] <... futex resumed>) = ? [pid 6640] <... exit_group resumed>) = ? [pid 6641] +++ exited with 0 +++ [pid 6640] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6642 ./strace-static-x86_64: Process 6642 attached [pid 6642] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6642] setpgid(0, 0) = 0 [pid 6642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6642] write(3, "1000", 4) = 4 [pid 6642] close(3) = 0 [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6642] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6642] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6642] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6643], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6643 [pid 6642] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6643 attached [pid 6643] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6643] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6643] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6643] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6642] <... futex resumed>) = 0 [pid 6643] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... setsockopt resumed>) = 0 [pid 6643] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6643] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6642] <... futex resumed>) = 0 [pid 6643] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... setsockopt resumed>) = 0 [pid 6643] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6643] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6642] <... futex resumed>) = 0 [pid 6643] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... setsockopt resumed>) = 0 [pid 6643] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6643] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6642] <... futex resumed>) = 0 [pid 6643] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... sendto resumed>) = 1 [pid 6634] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6643] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6634] <... futex resumed>) = 1 [pid 6630] <... futex resumed>) = 0 [pid 6643] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6630] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6642] <... futex resumed>) = 0 [pid 6634] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6630] <... futex resumed>) = 0 [pid 6643] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6634] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6630] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6643] <... sendto resumed>) = 1 [pid 6634] <... openat resumed>) = 4 [pid 6643] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] write(4, "5", 1 [pid 6643] <... futex resumed>) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6634] <... write resumed>) = 1 [pid 6643] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6634] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6642] <... futex resumed>) = 0 [pid 6634] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6643] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6642] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6634] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6643] <... openat resumed>) = 4 [pid 6634] <... futex resumed>) = 1 [pid 6630] <... futex resumed>) = 0 [pid 6643] write(4, "5", 1 [pid 6634] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6630] exit_group(0 [pid 6643] <... write resumed>) = 1 [pid 6636] <... futex resumed>) = ? [pid 6634] <... futex resumed>) = ? [pid 6630] <... exit_group resumed>) = ? [ 234.033251][ T6635] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 234.041246][ T6635] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 234.049259][ T6635] [pid 6643] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6636] +++ exited with 0 +++ [pid 6643] <... setsockopt resumed>) = 0 [pid 6643] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6642] <... futex resumed>) = 0 [pid 6643] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6642] exit_group(0 [pid 6643] <... futex resumed>) = ? [pid 6642] <... exit_group resumed>) = ? [pid 6643] +++ exited with 0 +++ [pid 6642] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6642, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6616] <... futex resumed>) = ? [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6644 [pid 6616] +++ exited with 0 +++ [pid 6613] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6613, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6644 attached , child_tidptr=0x5555564f35d0) = 6645 ./strace-static-x86_64: Process 6645 attached [pid 6645] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6645] setpgid(0, 0) = 0 [pid 6645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6645] write(3, "1000", 4) = 4 [pid 6645] close(3) = 0 [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6645] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6645] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6646], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6646 [pid 6645] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 234.088771][ T6634] FAULT_INJECTION: forcing a failure. [ 234.088771][ T6634] name fail_futex, interval 1, probability 0, space 0, times 0 [ 234.114398][ T6634] CPU: 0 PID: 6634 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 234.124961][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 234.135046][ T6634] Call Trace: [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6646 attached [pid 6646] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6646] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6646] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6646] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] <... futex resumed>) = 0 [pid 6646] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] <... setsockopt resumed>) = 0 [pid 6646] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 234.138352][ T6634] [ 234.141305][ T6634] dump_stack_lvl+0xcd/0x134 [ 234.145961][ T6634] should_fail.cold+0x5/0xa [ 234.150512][ T6634] get_futex_key+0x5b2/0x1c50 [ 234.155226][ T6634] ? __lock_acquire+0x163e/0x5660 [ 234.160279][ T6634] ? futex_setup_timer+0xf0/0xf0 [ 234.165260][ T6634] futex_wake+0xe4/0x490 [ 234.169535][ T6634] ? futex_wake_mark+0x1a0/0x1a0 [ 234.174511][ T6634] ? find_held_lock+0x2d/0x110 [ 234.180187][ T6634] do_futex+0x266/0x300 [ 234.184371][ T6634] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 234.190299][ T6634] mm_release+0x235/0x2c0 [ 234.194659][ T6634] do_exit+0x8a0/0x29d0 [ 234.198844][ T6634] ? find_held_lock+0x2d/0x110 [ 234.203732][ T6634] ? mm_update_next_owner+0x7a0/0x7a0 [ 234.209133][ T6634] ? lock_downgrade+0x6e0/0x6e0 [ 234.214028][ T6634] do_group_exit+0xd2/0x2f0 [ 234.218565][ T6634] get_signal+0x2542/0x2600 [ 234.223108][ T6634] ? exit_signals+0x8b0/0x8b0 [ 234.227816][ T6634] ? userns_owner+0x40/0x40 [ 234.232350][ T6634] ? __task_pid_nr_ns+0x168/0x4b0 [ 234.237403][ T6634] ? lock_downgrade+0x6e0/0x6e0 [ 234.242284][ T6634] arch_do_signal_or_restart+0x82/0x2300 [ 234.247951][ T6634] ? from_kuid_munged+0xa2/0x130 [ 234.252923][ T6634] ? find_held_lock+0x2d/0x110 [ 234.257719][ T6634] ? get_sigframe_size+0x10/0x10 [ 234.262691][ T6634] ? ptrace_notify+0xfa/0x140 [ 234.267398][ T6634] ? lock_downgrade+0x6e0/0x6e0 [ 234.272278][ T6634] ? send_sig+0xfe/0x160 [ 234.276552][ T6634] ? send_sig_info+0x140/0x140 [ 234.281434][ T6634] ? exit_to_user_mode_prepare+0x137/0x250 [ 234.287276][ T6634] exit_to_user_mode_prepare+0x15f/0x250 [ 234.292938][ T6634] syscall_exit_to_user_mode+0x19/0x50 [ 234.298428][ T6634] do_syscall_64+0x42/0xb0 [ 234.302882][ T6634] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 234.308808][ T6634] RIP: 0033:0x7fc128117db9 [ 234.313247][ T6634] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6645] <... futex resumed>) = 0 [pid 6646] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] <... futex resumed>) = 0 [pid 6646] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] <... setsockopt resumed>) = 0 [pid 6646] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6646] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] <... futex resumed>) = 0 [pid 6646] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] <... setsockopt resumed>) = 0 [pid 6646] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6646] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] <... futex resumed>) = 0 [pid 6646] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] <... sendto resumed>) = 1 [pid 6646] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6646] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] <... futex resumed>) = 0 [pid 6646] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] <... sendto resumed>) = 1 [pid 6646] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6646] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6645] <... futex resumed>) = 0 [pid 6646] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6645] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6646] <... openat resumed>) = 4 [pid 6646] write(4, "5", 1) = 1 [pid 6646] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6646] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6645] <... futex resumed>) = 0 [pid 6646] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6645] exit_group(0 [pid 6646] <... futex resumed>) = ? [pid 6645] <... exit_group resumed>) = ? [pid 6646] +++ exited with 0 +++ [pid 6645] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6645, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6647 ./strace-static-x86_64: Process 6647 attached [pid 6647] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6647] setpgid(0, 0) = 0 [pid 6647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6647] write(3, "1000", 4) = 4 [pid 6647] close(3) = 0 [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6647] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6647] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6648], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6648 [pid 6647] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6648 attached [pid 6648] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6648] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6648] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6648] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... futex resumed>) = 0 [pid 6648] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... setsockopt resumed>) = 0 [pid 6648] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6648] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... futex resumed>) = 0 [pid 6648] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... setsockopt resumed>) = 0 [pid 6648] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6648] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... futex resumed>) = 0 [pid 6648] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... setsockopt resumed>) = 0 [pid 6648] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6648] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... futex resumed>) = 0 [pid 6648] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... sendto resumed>) = 1 [pid 6648] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6648] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... futex resumed>) = 0 [pid 6648] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... sendto resumed>) = 1 [pid 6648] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6648] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... futex resumed>) = 0 [pid 6648] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6647] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] <... openat resumed>) = 4 [pid 6648] write(4, "5", 1) = 1 [pid 6648] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6648] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6647] <... futex resumed>) = 0 [pid 6648] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6647] exit_group(0 [pid 6648] <... futex resumed>) = ? [pid 6647] <... exit_group resumed>) = ? [pid 6648] +++ exited with 0 +++ [pid 6647] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6647, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6629] <... futex resumed>) = ? [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6649 [pid 6629] +++ exited with 0 +++ [pid 6627] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6627, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6650 ./strace-static-x86_64: Process 6649 attached [pid 6649] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6649] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6650 attached ) = 0 [pid 6650] set_robust_list(0x5555564f35e0, 24 [pid 6649] setpgid(0, 0 [pid 6650] <... set_robust_list resumed>) = 0 [pid 6649] <... setpgid resumed>) = 0 [pid 6650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6650] <... prctl resumed>) = 0 [pid 6649] <... openat resumed>) = 3 [pid 6650] setpgid(0, 0 [pid 6649] write(3, "1000", 4 [pid 6650] <... setpgid resumed>) = 0 [pid 6649] <... write resumed>) = 4 [pid 6650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6649] close(3 [pid 6650] <... openat resumed>) = 3 [pid 6649] <... close resumed>) = 0 [pid 6650] write(3, "1000", 4 [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... write resumed>) = 4 [pid 6649] <... futex resumed>) = 0 [pid 6650] close(3 [pid 6649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6650] <... close resumed>) = 0 [pid 6649] <... mmap resumed>) = 0x7fc1280a9000 [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6649] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6650] <... futex resumed>) = 0 [pid 6649] <... mprotect resumed>) = 0 [pid 6650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6649] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6650] <... mmap resumed>) = 0x7fc1280a9000 [pid 6650] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6649] <... clone resumed>, parent_tid=[6651], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6651 [pid 6650] <... mprotect resumed>) = 0 [pid 6649] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6649] <... futex resumed>) = 0 [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] <... clone resumed>, parent_tid=[6652], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6652 [pid 6650] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6651 attached [pid 6651] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6651] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP./strace-static-x86_64: Process 6652 attached ) = 3 [pid 6652] set_robust_list(0x7fc1280c99e0, 24 [pid 6651] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... set_robust_list resumed>) = 0 [pid 6651] <... futex resumed>) = 1 [pid 6649] <... futex resumed>) = 0 [pid 6652] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6651] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6649] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... socket resumed>) = 3 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... futex resumed>) = 1 [pid 6651] <... setsockopt resumed>) = 0 [pid 6650] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = 0 [pid 6652] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6651] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6649] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... setsockopt resumed>) = 0 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... futex resumed>) = 1 [pid 6651] <... setsockopt resumed>) = 0 [pid 6650] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = 0 [pid 6652] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6651] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6649] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... futex resumed>) = 1 [pid 6651] <... setsockopt resumed>) = 0 [pid 6650] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = 0 [pid 6652] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6651] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6649] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... setsockopt resumed>) = 0 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... futex resumed>) = 1 [pid 6651] <... sendto resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = 0 [pid 6652] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6651] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6649] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... sendto resumed>) = 1 [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... futex resumed>) = 1 [pid 6651] <... sendto resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6652] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... futex resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6649] <... futex resumed>) = 0 [pid 6644] set_robust_list(0x5555564f35e0, 24 [pid 6652] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6651] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6649] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... set_robust_list resumed>) = 0 [pid 6652] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6649] <... futex resumed>) = 0 [pid 6644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6652] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6649] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6644] <... prctl resumed>) = 0 [pid 6652] <... futex resumed>) = 1 [pid 6651] <... openat resumed>) = 4 [pid 6650] <... futex resumed>) = 0 [pid 6644] setpgid(0, 0 [pid 6652] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6651] write(4, "5", 1 [pid 6650] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... setpgid resumed>) = 0 [pid 6652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6651] <... write resumed>) = 1 [pid 6650] <... futex resumed>) = 0 [pid 6644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6652] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6651] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6650] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6652] <... openat resumed>) = 4 [pid 6651] <... setsockopt resumed>) = 0 [pid 6644] <... openat resumed>) = 3 [pid 6652] write(4, "5", 1 [pid 6651] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] write(3, "1000", 4 [pid 6652] <... write resumed>) = 1 [pid 6651] <... futex resumed>) = 1 [pid 6649] <... futex resumed>) = 0 [pid 6644] <... write resumed>) = 4 [pid 6652] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6651] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6649] exit_group(0 [pid 6644] close(3 [pid 6652] <... setsockopt resumed>) = 0 [pid 6651] <... futex resumed>) = ? [pid 6649] <... exit_group resumed>) = ? [pid 6644] <... close resumed>) = 0 [ 234.332897][ T6634] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 234.341995][ T6634] RAX: fffffffffffffe00 RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 234.350009][ T6634] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04a8 [ 234.358012][ T6634] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 234.366009][ T6634] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 234.374004][ T6634] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 234.382027][ T6634] [pid 6652] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6651] +++ exited with 0 +++ [pid 6649] +++ exited with 0 +++ [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6635] +++ exited with 0 +++ [pid 6634] +++ exited with 0 +++ [pid 6631] +++ exited with 0 +++ [pid 6630] +++ exited with 0 +++ [pid 6626] <... futex resumed>) = ? [pid 6644] <... futex resumed>) = 0 [pid 6626] +++ exited with 0 +++ [pid 6618] +++ exited with 0 +++ [pid 6644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6644] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6644] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6653], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6653 [pid 6644] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6630, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6654 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6631, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6655 ./strace-static-x86_64: Process 6653 attached [pid 6653] set_robust_list(0x7fc1280c99e0, 24./strace-static-x86_64: Process 6655 attached ./strace-static-x86_64: Process 6654 attached [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6649, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6618, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6653] <... set_robust_list resumed>) = 0 [pid 6653] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6653] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] <... futex resumed>) = 0 [pid 6644] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... futex resumed>) = 1 [pid 6653] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6653] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6644] <... futex resumed>) = 0 [pid 6653] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6644] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... setsockopt resumed>) = 0 [pid 6644] <... futex resumed>) = 0 [pid 6653] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... futex resumed>) = 0 [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6644] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... setsockopt resumed>) = 0 [pid 6644] <... futex resumed>) = 0 [pid 6653] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... futex resumed>) = 0 [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6644] <... futex resumed>) = 0 [pid 6653] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... sendto resumed>) = 1 [pid 6653] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6644] <... futex resumed>) = 0 [pid 6653] sendto(3, "\x01", 1, 0, NULL, 0 [ 234.420402][ T6652] FAULT_INJECTION: forcing a failure. [ 234.420402][ T6652] name fail_futex, interval 1, probability 0, space 0, times 0 [ 234.437737][ T6652] CPU: 1 PID: 6652 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 234.448291][ T6652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 234.458377][ T6652] Call Trace: [ 234.461772][ T6652] [ 234.464723][ T6652] dump_stack_lvl+0xcd/0x134 [pid 6644] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... sendto resumed>) = 1 [pid 6644] <... futex resumed>) = 0 [pid 6653] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... futex resumed>) = 0 [pid 6644] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6644] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... openat resumed>) = 4 [pid 6644] <... futex resumed>) = 0 [pid 6653] write(4, "5", 1 [pid 6644] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... write resumed>) = 1 [pid 6653] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6653] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6644] <... futex resumed>) = 0 [pid 6653] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6644] exit_group(0 [pid 6653] <... futex resumed>) = ? [pid 6644] <... exit_group resumed>) = ? [pid 6653] +++ exited with 0 +++ [pid 6644] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6644, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6656 ./strace-static-x86_64: Process 6656 attached [pid 6656] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6656] setpgid(0, 0) = 0 [pid 6656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6656] write(3, "1000", 4) = 4 [pid 6656] close(3) = 0 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6656] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6656] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6657], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6657 [pid 6656] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6657 attached [pid 6657] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6657] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6657] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6656] <... futex resumed>) = 0 [ 234.469421][ T6652] should_fail.cold+0x5/0xa [ 234.473964][ T6652] get_futex_key+0x5b2/0x1c50 [ 234.478678][ T6652] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 234.484694][ T6652] ? futex_setup_timer+0xf0/0xf0 [ 234.489673][ T6652] futex_wake+0xe4/0x490 [ 234.493954][ T6652] ? futex_wake_mark+0x1a0/0x1a0 [ 234.498925][ T6652] ? ptrace_stop.part.0+0x5ec/0xa80 [ 234.504164][ T6652] ? do_raw_spin_lock+0x120/0x2a0 [ 234.509228][ T6652] ? rwlock_bug.part.0+0x90/0x90 [ 234.514206][ T6652] ? _raw_spin_lock_irq+0x41/0x50 [pid 6657] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6656] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... setsockopt resumed>) = 0 [pid 6656] <... futex resumed>) = 0 [pid 6657] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6657] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6656] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... setsockopt resumed>) = 0 [pid 6656] <... futex resumed>) = 0 [pid 6657] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6657] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6656] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... setsockopt resumed>) = 0 [pid 6656] <... futex resumed>) = 0 [pid 6657] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6657] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6656] <... futex resumed>) = 0 [pid 6657] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6657] <... sendto resumed>) = 1 [pid 6657] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6656] <... futex resumed>) = 0 [pid 6657] sendto(3, "\x01", 1, 0, NULL, 0 [ 234.519354][ T6652] do_futex+0x266/0x300 [ 234.523542][ T6652] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 234.529467][ T6652] ? find_held_lock+0x2d/0x110 [ 234.534273][ T6652] __x64_sys_futex+0x1b0/0x4a0 [ 234.539075][ T6652] ? do_futex+0x300/0x300 [ 234.543434][ T6652] ? _raw_spin_unlock_irq+0x1f/0x40 [ 234.548664][ T6652] ? lockdep_hardirqs_on+0x79/0x100 [ 234.553899][ T6652] ? _raw_spin_unlock_irq+0x2a/0x40 [ 234.559114][ T6652] ? ptrace_notify+0xfa/0x140 [ 234.563808][ T6652] do_syscall_64+0x35/0xb0 [ 234.568236][ T6652] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 234.574136][ T6652] RIP: 0033:0x7fc128117db9 [ 234.578553][ T6652] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 234.598337][ T6652] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 234.606754][ T6652] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6656] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... sendto resumed>) = 1 [pid 6656] <... futex resumed>) = 0 [pid 6657] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6657] <... futex resumed>) = 0 [pid 6656] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6657] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6656] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6657] <... openat resumed>) = 4 [pid 6656] <... futex resumed>) = 0 [pid 6655] set_robust_list(0x5555564f35e0, 24 [pid 6650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6659 attached ./strace-static-x86_64: Process 6658 attached [pid 6657] write(4, "5", 1 [pid 6656] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] <... set_robust_list resumed>) = 0 [pid 6654] set_robust_list(0x5555564f35e0, 24 [pid 6652] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6650] exit_group(0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6658 [pid 6659] set_robust_list(0x5555564f35e0, 24 [pid 6658] set_robust_list(0x5555564f35e0, 24 [pid 6657] <... write resumed>) = 1 [pid 6655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6654] <... set_robust_list resumed>) = 0 [pid 6650] <... exit_group resumed>) = ? [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6659 [pid 6659] <... set_robust_list resumed>) = 0 [pid 6658] <... set_robust_list resumed>) = 0 [pid 6657] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6655] <... prctl resumed>) = 0 [pid 6654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6657] <... setsockopt resumed>) = 0 [pid 6655] setpgid(0, 0 [pid 6654] <... prctl resumed>) = 0 [pid 6659] <... prctl resumed>) = 0 [pid 6658] <... prctl resumed>) = 0 [pid 6657] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... setpgid resumed>) = 0 [pid 6654] setpgid(0, 0 [pid 6659] setpgid(0, 0 [pid 6658] setpgid(0, 0 [pid 6657] <... futex resumed>) = 1 [pid 6656] <... futex resumed>) = 0 [pid 6659] <... setpgid resumed>) = 0 [pid 6658] <... setpgid resumed>) = 0 [pid 6657] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6656] exit_group(0 [pid 6655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6654] <... setpgid resumed>) = 0 [pid 6652] +++ exited with 0 +++ [pid 6650] +++ exited with 0 +++ [pid 6659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6657] <... futex resumed>) = ? [pid 6656] <... exit_group resumed>) = ? [pid 6655] <... openat resumed>) = 3 [pid 6659] <... openat resumed>) = 3 [pid 6658] <... openat resumed>) = 3 [pid 6657] +++ exited with 0 +++ [pid 6655] write(3, "1000", 4 [pid 6654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6650, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6659] write(3, "1000", 4 [pid 6658] write(3, "1000", 4 [pid 6655] <... write resumed>) = 4 [pid 6654] <... openat resumed>) = 3 [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6659] <... write resumed>) = 4 [pid 6658] <... write resumed>) = 4 [pid 6656] +++ exited with 0 +++ [pid 6655] close(3 [pid 6654] write(3, "1000", 4 [pid 3607] <... restart_syscall resumed>) = 0 [pid 6659] close(3 [pid 6658] close(3 [pid 6655] <... close resumed>) = 0 [pid 6654] <... write resumed>) = 4 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6656, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6659] <... close resumed>) = 0 [pid 6658] <... close resumed>) = 0 [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] close(3 [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... futex resumed>) = 0 [pid 6654] <... close resumed>) = 0 [pid 3614] <... restart_syscall resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6655] <... mmap resumed>) = 0x7fc1280a9000 [pid 6654] <... futex resumed>) = 0 [pid 6658] <... mmap resumed>) = 0x7fc1280a9000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6659] <... mmap resumed>) = 0x7fc1280a9000 [pid 6658] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6655] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6659] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6658] <... mprotect resumed>) = 0 [pid 6655] <... mprotect resumed>) = 0 [pid 6654] <... mmap resumed>) = 0x7fc1280a9000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6661 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6660 ./strace-static-x86_64: Process 6661 attached ./strace-static-x86_64: Process 6660 attached [pid 6659] <... mprotect resumed>) = 0 [pid 6658] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6655] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6654] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6659] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6654] <... mprotect resumed>) = 0 [pid 6658] <... clone resumed>, parent_tid=[6662], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6662 [pid 6659] <... clone resumed>, parent_tid=[6664], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6664 [pid 6658] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] <... clone resumed>, parent_tid=[6663], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6663 [pid 6654] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6661] set_robust_list(0x5555564f35e0, 24 [pid 6659] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = 0 [pid 6655] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6665 attached ./strace-static-x86_64: Process 6664 attached ./strace-static-x86_64: Process 6663 attached [pid 6661] <... set_robust_list resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] <... futex resumed>) = 0 [pid 6654] <... clone resumed>, parent_tid=[6665], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6665 [pid 6660] set_robust_list(0x5555564f35e0, 24 [pid 6664] set_robust_list(0x7fc1280c99e0, 24 [pid 6663] set_robust_list(0x7fc1280c99e0, 24 [pid 6661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6660] <... set_robust_list resumed>) = 0 [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6662 attached [pid 6665] set_robust_list(0x7fc1280c99e0, 24 [pid 6664] <... set_robust_list resumed>) = 0 [pid 6663] <... set_robust_list resumed>) = 0 [pid 6661] <... prctl resumed>) = 0 [pid 6660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6654] <... futex resumed>) = 0 [pid 6665] <... set_robust_list resumed>) = 0 [pid 6664] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6663] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6662] set_robust_list(0x7fc1280c99e0, 24 [pid 6661] setpgid(0, 0 [pid 6660] <... prctl resumed>) = 0 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6664] <... socket resumed>) = 3 [pid 6663] <... socket resumed>) = 3 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6661] <... setpgid resumed>) = 0 [pid 6660] setpgid(0, 0 [pid 6665] <... socket resumed>) = 3 [pid 6664] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6660] <... setpgid resumed>) = 0 [pid 6665] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = 1 [pid 6663] <... futex resumed>) = 1 [pid 6662] <... socket resumed>) = 3 [pid 6659] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 1 [pid 6664] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] <... openat resumed>) = 3 [pid 6660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6659] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... futex resumed>) = 0 [pid 6665] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] <... futex resumed>) = 1 [pid 6661] write(3, "1000", 4 [pid 6660] <... openat resumed>) = 3 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [ 234.614724][ T6652] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 234.622699][ T6652] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 234.630670][ T6652] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 234.638643][ T6652] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 234.646630][ T6652] [pid 6654] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6663] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6662] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6661] <... write resumed>) = 4 [pid 6660] write(3, "1000", 4 [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] <... futex resumed>) = 0 [pid 6665] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6664] <... setsockopt resumed>) = 0 [pid 6663] <... setsockopt resumed>) = 0 [pid 6662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] close(3 [pid 6660] <... write resumed>) = 4 [pid 6658] <... futex resumed>) = 0 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... setsockopt resumed>) = 0 [pid 6664] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6661] <... close resumed>) = 0 [pid 6660] close(3 [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = 1 [pid 6663] <... futex resumed>) = 1 [pid 6662] <... setsockopt resumed>) = 0 [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... close resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 1 [pid 6664] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] <... futex resumed>) = 0 [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... futex resumed>) = 0 [pid 6665] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] <... futex resumed>) = 1 [pid 6661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6660] <... futex resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6654] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6663] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6662] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6661] <... mmap resumed>) = 0x7fc1280a9000 [pid 6660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] <... futex resumed>) = 0 [pid 6665] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6664] <... setsockopt resumed>) = 0 [pid 6663] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6660] <... mmap resumed>) = 0x7fc1280a9000 [pid 6658] <... futex resumed>) = 0 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6664] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6661] <... mprotect resumed>) = 0 [pid 6660] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = 1 [pid 6663] <... futex resumed>) = 1 [pid 6662] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6661] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6660] <... mprotect resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 1 [pid 6664] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6659] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... futex resumed>) = 0 [pid 6665] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] <... futex resumed>) = 1 [pid 6661] <... clone resumed>, parent_tid=[6666], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6666 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6654] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6667 attached [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6663] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6662] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6661] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... clone resumed>, parent_tid=[6667], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6667 [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6666 attached [pid 6667] set_robust_list(0x7fc1280c99e0, 24 [pid 6665] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6664] <... setsockopt resumed>) = 0 [pid 6663] <... setsockopt resumed>) = 0 [pid 6662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] <... futex resumed>) = 0 [pid 6660] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = 0 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... set_robust_list resumed>) = 0 [pid 6666] set_robust_list(0x7fc1280c99e0, 24 [pid 6665] <... setsockopt resumed>) = 0 [pid 6664] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] <... futex resumed>) = 0 [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6666] <... set_robust_list resumed>) = 0 [pid 6665] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] <... futex resumed>) = 1 [pid 6663] <... futex resumed>) = 1 [pid 6662] <... setsockopt resumed>) = 0 [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6667] <... socket resumed>) = 3 [pid 6666] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6665] <... futex resumed>) = 1 [pid 6664] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] <... futex resumed>) = 0 [pid 6667] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... socket resumed>) = 3 [pid 6665] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] <... futex resumed>) = 1 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6654] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] <... futex resumed>) = 1 [pid 6666] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6663] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6662] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] <... futex resumed>) = 0 [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] <... futex resumed>) = 0 [pid 6667] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... futex resumed>) = 1 [pid 6665] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6664] <... sendto resumed>) = 1 [pid 6663] <... sendto resumed>) = 1 [pid 6662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] <... futex resumed>) = 0 [pid 6660] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = 0 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6666] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6664] <... futex resumed>) = 1 [pid 6663] <... futex resumed>) = 1 [pid 6665] <... sendto resumed>) = 1 [pid 6662] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6661] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... futex resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6667] <... setsockopt resumed>) = 0 [pid 6665] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6659] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6655] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 1 [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] <... sendto resumed>) = 1 [pid 6661] <... futex resumed>) = 1 [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = 0 [pid 6666] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6665] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6663] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6662] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... setsockopt resumed>) = 0 [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] <... sendto resumed>) = 1 [pid 6663] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6662] <... futex resumed>) = 1 [pid 6660] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6666] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6664] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] <... futex resumed>) = 0 [pid 6658] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6666] <... futex resumed>) = 1 [pid 6665] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6664] <... futex resumed>) = 1 [pid 6663] <... futex resumed>) = 1 [pid 6662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] <... futex resumed>) = 0 [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] <... futex resumed>) = 0 [pid 6658] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6667] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6666] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6665] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6663] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6661] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6665] <... futex resumed>) = 1 [pid 6664] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6662] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6661] <... futex resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6655] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = 1 [pid 6666] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6665] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6664] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6663] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6662] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] <... futex resumed>) = 0 [pid 6659] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6655] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6654] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] <... openat resumed>) = 4 [pid 6663] <... openat resumed>) = 4 [pid 6662] <... futex resumed>) = 1 [pid 6660] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6666] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6664] write(4, "5", 1 [pid 6663] write(4, "5", 1 [pid 6662] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] <... futex resumed>) = 0 [pid 6658] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6666] <... futex resumed>) = 1 [pid 6665] <... openat resumed>) = 4 [pid 6664] <... write resumed>) = 1 [pid 6663] <... write resumed>) = 1 [pid 6662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] <... futex resumed>) = 0 [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] <... futex resumed>) = 0 [pid 6667] <... setsockopt resumed>) = 0 [pid 6666] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6665] write(4, "5", 1 [pid 6664] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6663] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6662] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6661] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6665] <... write resumed>) = 1 [pid 6664] <... setsockopt resumed>) = 0 [pid 6663] <... setsockopt resumed>) = 0 [pid 6662] <... openat resumed>) = 4 [pid 6661] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = 1 [pid 6666] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6665] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6664] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] write(4, "5", 1 [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] <... futex resumed>) = 0 [pid 6667] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... setsockopt resumed>) = 0 [pid 6665] <... setsockopt resumed>) = 0 [pid 6664] <... futex resumed>) = 1 [pid 6662] <... write resumed>) = 1 [pid 6660] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = 0 [pid 6667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6665] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6662] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6660] <... futex resumed>) = 0 [pid 6667] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6666] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6662] <... setsockopt resumed>) = 0 [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] exit_group(0 [pid 6667] <... sendto resumed>) = 1 [pid 6662] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6654] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 234.775794][ T6663] FAULT_INJECTION: forcing a failure. [ 234.775794][ T6663] name fail_futex, interval 1, probability 0, space 0, times 0 [ 234.787848][ T6665] FAULT_INJECTION: forcing a failure. [ 234.787848][ T6665] name fail_futex, interval 1, probability 0, space 0, times 0 [ 234.789714][ T6663] CPU: 0 PID: 6663 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 234.806944][ T6662] FAULT_INJECTION: forcing a failure. [ 234.806944][ T6662] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6667] <... futex resumed>) = 1 [pid 6660] <... futex resumed>) = 0 [pid 6658] exit_group(0 [pid 6654] exit_group(0 [pid 6667] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... exit_group resumed>) = ? [pid 6654] <... exit_group resumed>) = ? [pid 6667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6660] <... futex resumed>) = 0 [pid 6667] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6667] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6660] <... futex resumed>) = 0 [pid 6667] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6660] <... futex resumed>) = 0 [pid 6667] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6660] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... openat resumed>) = 4 [pid 6661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6667] write(4, "5", 1 [pid 6661] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6667] <... write resumed>) = 1 [pid 6661] <... futex resumed>) = 0 [pid 6667] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6667] <... setsockopt resumed>) = 0 [ 234.811904][ T6663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 234.811920][ T6663] Call Trace: [ 234.811929][ T6663] [ 234.811939][ T6663] dump_stack_lvl+0xcd/0x134 [ 234.839722][ T6667] FAULT_INJECTION: forcing a failure. [ 234.839722][ T6667] name fail_futex, interval 1, probability 0, space 0, times 0 [ 234.840957][ T6663] should_fail.cold+0x5/0xa [ 234.840994][ T6663] get_futex_key+0x5b2/0x1c50 [ 234.841019][ T6663] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 234.873545][ T6663] ? futex_setup_timer+0xf0/0xf0 [ 234.878510][ T6663] futex_wake+0xe4/0x490 [ 234.882761][ T6663] ? futex_wake_mark+0x1a0/0x1a0 [ 234.887702][ T6663] ? ptrace_stop.part.0+0x5ec/0xa80 [ 234.892903][ T6663] ? do_raw_spin_lock+0x120/0x2a0 [ 234.897928][ T6663] ? rwlock_bug.part.0+0x90/0x90 [ 234.902866][ T6663] ? _raw_spin_lock_irq+0x41/0x50 [ 234.907899][ T6663] do_futex+0x266/0x300 [ 234.912063][ T6663] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 234.917958][ T6663] ? find_held_lock+0x2d/0x110 [ 234.922737][ T6663] __x64_sys_futex+0x1b0/0x4a0 [ 234.927503][ T6663] ? do_futex+0x300/0x300 [ 234.931850][ T6663] ? _raw_spin_unlock_irq+0x1f/0x40 [ 234.937070][ T6663] ? lockdep_hardirqs_on+0x79/0x100 [ 234.942298][ T6663] ? _raw_spin_unlock_irq+0x2a/0x40 [ 234.947528][ T6663] ? ptrace_notify+0xfa/0x140 [ 234.952223][ T6663] do_syscall_64+0x35/0xb0 [ 234.956653][ T6663] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 234.962561][ T6663] RIP: 0033:0x7fc128117db9 [ 234.966986][ T6663] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 234.986597][ T6663] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 234.995013][ T6663] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 235.002989][ T6663] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 235.010964][ T6663] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 235.018938][ T6663] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6667] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = 1 [pid 6664] <... futex resumed>) = ? [pid 6663] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6661] <... futex resumed>) = 0 [pid 6660] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6659] <... exit_group resumed>) = ? [pid 6655] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6666] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6664] +++ exited with 0 +++ [pid 6659] +++ exited with 0 +++ [pid 6666] <... sendto resumed>) = 1 [pid 6666] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6659, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6666] <... futex resumed>) = 0 [pid 6663] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6666] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6668 ./strace-static-x86_64: Process 6668 attached [pid 6668] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6668] setpgid(0, 0) = 0 [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6668] write(3, "1000", 4) = 4 [pid 6668] close(3 [pid 6655] exit_group(0 [pid 6668] <... close resumed>) = 0 [pid 6663] <... futex resumed>) = ? [pid 6655] <... exit_group resumed>) = ? [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6663] +++ exited with 0 +++ [pid 6655] +++ exited with 0 +++ [pid 6668] <... futex resumed>) = 0 [pid 6668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6668] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [ 235.026926][ T6663] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 235.034931][ T6663] [ 235.042887][ T6665] CPU: 0 PID: 6665 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 235.053469][ T6665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 235.063553][ T6665] Call Trace: [ 235.066856][ T6665] [ 235.069809][ T6665] dump_stack_lvl+0xcd/0x134 [ 235.074454][ T6665] should_fail.cold+0x5/0xa [ 235.078992][ T6665] get_futex_key+0x5b2/0x1c50 [ 235.083701][ T6665] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 235.089716][ T6665] ? futex_setup_timer+0xf0/0xf0 [ 235.094693][ T6665] futex_wake+0xe4/0x490 [ 235.098964][ T6665] ? futex_wake_mark+0x1a0/0x1a0 [ 235.103921][ T6665] ? ptrace_stop.part.0+0x5ec/0xa80 [ 235.109138][ T6665] ? do_raw_spin_lock+0x120/0x2a0 [ 235.114207][ T6665] ? rwlock_bug.part.0+0x90/0x90 [ 235.119183][ T6665] ? _raw_spin_lock_irq+0x41/0x50 [ 235.124230][ T6665] do_futex+0x266/0x300 [ 235.128409][ T6665] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 235.134333][ T6665] ? find_held_lock+0x2d/0x110 [ 235.139152][ T6665] __x64_sys_futex+0x1b0/0x4a0 [ 235.140197][ T6666] FAULT_INJECTION: forcing a failure. [ 235.140197][ T6666] name fail_futex, interval 1, probability 0, space 0, times 0 [ 235.143944][ T6665] ? do_futex+0x300/0x300 [ 235.143971][ T6665] ? _raw_spin_unlock_irq+0x1f/0x40 [ 235.166233][ T6665] ? lockdep_hardirqs_on+0x79/0x100 [ 235.171448][ T6665] ? _raw_spin_unlock_irq+0x2a/0x40 [ 235.176669][ T6665] ? ptrace_notify+0xfa/0x140 [ 235.181381][ T6665] do_syscall_64+0x35/0xb0 [ 235.185829][ T6665] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 235.191756][ T6665] RIP: 0033:0x7fc128117db9 [ 235.196200][ T6665] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 235.215843][ T6665] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6668] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6669], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6669 [pid 6668] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6669 attached [pid 6669] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6669] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6669] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6669] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... setsockopt resumed>) = 0 [pid 6669] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6669] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... setsockopt resumed>) = 0 [pid 6669] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6669] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... setsockopt resumed>) = 0 [pid 6669] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6669] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... sendto resumed>) = 1 [pid 6669] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6669] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... sendto resumed>) = 1 [pid 6669] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6669] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6668] <... futex resumed>) = 0 [pid 6669] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6668] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] <... openat resumed>) = 4 [pid 6669] write(4, "5", 1) = 1 [pid 6669] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6669] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6668] <... futex resumed>) = 0 [pid 6661] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6669] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6668] exit_group(0 [pid 6666] <... futex resumed>) = 0 [pid 6661] <... futex resumed>) = 1 [pid 6669] <... futex resumed>) = ? [pid 6668] <... exit_group resumed>) = ? [pid 6666] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6669] +++ exited with 0 +++ [pid 6668] +++ exited with 0 +++ [pid 6666] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6666] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6668, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6666] <... futex resumed>) = 1 [pid 6661] <... futex resumed>) = 0 [pid 6666] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6661] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6661] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6666] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6661] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6666] <... openat resumed>) = 4 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6670 [pid 6666] write(4, "5", 1) = 1 [pid 6666] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6666] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6670 attached [pid 6670] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6670] setpgid(0, 0) = 0 [pid 6670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6670] write(3, "1000", 4) = 4 [pid 6670] close(3) = 0 [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6670] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6670] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6671], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6671 [pid 6670] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6671 attached [pid 6671] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6671] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6671] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6671] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] <... futex resumed>) = 0 [pid 6661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6671] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6661] exit_group(0 [pid 6671] <... setsockopt resumed>) = 0 [pid 6661] <... exit_group resumed>) = ? [pid 6671] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6671] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] <... futex resumed>) = 0 [pid 6671] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... setsockopt resumed>) = 0 [pid 6671] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6671] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] <... futex resumed>) = 0 [pid 6671] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... setsockopt resumed>) = 0 [pid 6671] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6671] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] <... futex resumed>) = 0 [pid 6671] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... sendto resumed>) = 1 [pid 6671] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6671] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6670] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... sendto resumed>) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6671] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... futex resumed>) = 0 [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6671] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6670] <... futex resumed>) = 0 [pid 6671] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6670] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... openat resumed>) = 4 [pid 6671] write(4, "5", 1) = 1 [pid 6671] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6671] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6670] <... futex resumed>) = 0 [pid 6671] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6670] exit_group(0 [pid 6671] <... futex resumed>) = ? [pid 6670] <... exit_group resumed>) = ? [pid 6671] +++ exited with 0 +++ [pid 6670] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6670, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6672 ./strace-static-x86_64: Process 6672 attached [pid 6672] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6672] setpgid(0, 0) = 0 [pid 6672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6672] write(3, "1000", 4) = 4 [pid 6672] close(3) = 0 [ 235.225334][ T6665] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 235.233333][ T6665] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 235.241410][ T6665] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 235.249416][ T6665] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 235.257409][ T6665] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 235.265414][ T6665] [ 235.268446][ T6662] CPU: 1 PID: 6662 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 235.278985][ T6662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 235.289049][ T6662] Call Trace: [ 235.292332][ T6662] [ 235.295272][ T6662] dump_stack_lvl+0xcd/0x134 [ 235.299901][ T6662] should_fail.cold+0x5/0xa [ 235.304431][ T6662] get_futex_key+0x5b2/0x1c50 [ 235.309137][ T6662] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 235.315144][ T6662] ? futex_setup_timer+0xf0/0xf0 [ 235.320112][ T6662] futex_wake+0xe4/0x490 [ 235.324372][ T6662] ? futex_wake_mark+0x1a0/0x1a0 [ 235.329331][ T6662] ? ptrace_stop.part.0+0x5ec/0xa80 [ 235.334540][ T6662] ? do_raw_spin_lock+0x120/0x2a0 [ 235.339592][ T6662] ? rwlock_bug.part.0+0x90/0x90 [ 235.344534][ T6662] ? _raw_spin_lock_irq+0x41/0x50 [ 235.349575][ T6662] do_futex+0x266/0x300 [ 235.353740][ T6662] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 235.359642][ T6662] ? find_held_lock+0x2d/0x110 [ 235.364433][ T6662] __x64_sys_futex+0x1b0/0x4a0 [ 235.369232][ T6662] ? do_futex+0x300/0x300 [ 235.373573][ T6662] ? _raw_spin_unlock_irq+0x1f/0x40 [ 235.378787][ T6662] ? lockdep_hardirqs_on+0x79/0x100 [ 235.383998][ T6662] ? _raw_spin_unlock_irq+0x2a/0x40 [ 235.389205][ T6662] ? ptrace_notify+0xfa/0x140 [ 235.393894][ T6662] do_syscall_64+0x35/0xb0 [ 235.398322][ T6662] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 235.404228][ T6662] RIP: 0033:0x7fc128117db9 [ 235.408657][ T6662] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 235.428275][ T6662] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 235.436705][ T6662] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 235.444699][ T6662] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 235.452677][ T6662] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 235.460657][ T6662] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 235.468730][ T6662] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6672] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6660] exit_group(0 [pid 6672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6672] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6672] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6673], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6673 [pid 6672] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 235.476722][ T6662] [ 235.479744][ T6667] CPU: 0 PID: 6667 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 235.490271][ T6667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 235.500347][ T6667] Call Trace: [ 235.503634][ T6667] [ 235.506574][ T6667] dump_stack_lvl+0xcd/0x134 [ 235.511196][ T6667] should_fail.cold+0x5/0xa [ 235.515715][ T6667] get_futex_key+0x5b2/0x1c50 [ 235.520415][ T6667] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 6672] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] <... exit_group resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6655, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6672] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3611] <... restart_syscall resumed>) = 0 [pid 6672] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6672] <... mmap resumed>) = 0x7fc128088000 [pid 6672] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6674 [pid 6672] <... mprotect resumed>) = 0 [pid 6672] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6675], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6675 [pid 6672] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 235.526421][ T6667] ? futex_setup_timer+0xf0/0xf0 [ 235.531389][ T6667] futex_wake+0xe4/0x490 [ 235.535660][ T6667] ? futex_wake_mark+0x1a0/0x1a0 [ 235.540629][ T6667] ? ptrace_stop.part.0+0x5ec/0xa80 [ 235.545862][ T6667] ? do_raw_spin_lock+0x120/0x2a0 [ 235.550941][ T6667] ? rwlock_bug.part.0+0x90/0x90 [ 235.555908][ T6667] ? _raw_spin_lock_irq+0x41/0x50 [ 235.560956][ T6667] do_futex+0x266/0x300 [ 235.565128][ T6667] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 235.571046][ T6667] ? find_held_lock+0x2d/0x110 [pid 6672] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6672] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128067000 [ 235.575841][ T6667] __x64_sys_futex+0x1b0/0x4a0 [ 235.580631][ T6667] ? do_futex+0x300/0x300 [ 235.584972][ T6667] ? _raw_spin_unlock_irq+0x1f/0x40 [ 235.590183][ T6667] ? lockdep_hardirqs_on+0x79/0x100 [ 235.595396][ T6667] ? _raw_spin_unlock_irq+0x2a/0x40 [ 235.600604][ T6667] ? ptrace_notify+0xfa/0x140 [ 235.605308][ T6667] do_syscall_64+0x35/0xb0 [ 235.609759][ T6667] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 235.615684][ T6667] RIP: 0033:0x7fc128117db9 [ 235.620124][ T6667] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 235.639768][ T6667] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 235.648215][ T6667] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 235.656306][ T6667] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 235.664308][ T6667] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6672] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6672] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6676], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6676 [pid 6672] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6672] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6676 attached [pid 6676] set_robust_list(0x7fc1280879e0, 24) = 0 [pid 6676] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [pid 6676] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6676] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6672] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6672] <... futex resumed>) = 0 [pid 6676] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6672] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6676] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6676] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6672] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6672] <... futex resumed>) = 0 [pid 6676] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6672] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6676] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6676] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6672] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6672] <... futex resumed>) = 0 [pid 6676] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6672] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6676] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [pid 6676] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6672] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6676] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6672] <... futex resumed>) = 0 [pid 6676] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6672] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6676] <... openat resumed>) = 3 [pid 6676] write(3, "5", 1) = 1 [pid 6676] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 6676] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6672] <... futex resumed>) = 0 [ 235.672325][ T6667] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 235.680316][ T6667] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 235.688326][ T6667] [ 235.691354][ T6666] CPU: 1 PID: 6666 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 235.701881][ T6666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 235.711951][ T6666] Call Trace: [ 235.715228][ T6666] [ 235.718161][ T6666] dump_stack_lvl+0xcd/0x134 [ 235.722762][ T6666] should_fail.cold+0x5/0xa [ 235.727270][ T6666] get_futex_key+0x5b2/0x1c50 [ 235.731966][ T6666] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 235.737951][ T6666] ? futex_setup_timer+0xf0/0xf0 [ 235.742901][ T6666] futex_wake+0xe4/0x490 [ 235.747149][ T6666] ? futex_wake_mark+0x1a0/0x1a0 [ 235.752092][ T6666] ? ptrace_stop.part.0+0x5ec/0xa80 [ 235.757310][ T6666] ? do_raw_spin_lock+0x120/0x2a0 [ 235.762340][ T6666] ? rwlock_bug.part.0+0x90/0x90 [ 235.767293][ T6666] ? _raw_spin_lock_irq+0x41/0x50 [ 235.772326][ T6666] do_futex+0x266/0x300 [ 235.776515][ T6666] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 235.782411][ T6666] ? find_held_lock+0x2d/0x110 [ 235.787186][ T6666] __x64_sys_futex+0x1b0/0x4a0 [ 235.791971][ T6666] ? do_futex+0x300/0x300 [ 235.796300][ T6666] ? _raw_spin_unlock_irq+0x1f/0x40 [ 235.801519][ T6666] ? lockdep_hardirqs_on+0x79/0x100 [ 235.806737][ T6666] ? _raw_spin_unlock_irq+0x2a/0x40 [ 235.811941][ T6666] ? ptrace_notify+0xfa/0x140 [ 235.816633][ T6666] do_syscall_64+0x35/0xb0 [ 235.821137][ T6666] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 235.827036][ T6666] RIP: 0033:0x7fc128117db9 [ 235.831450][ T6666] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 235.851062][ T6666] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 235.859476][ T6666] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 235.867447][ T6666] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6676] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6675 attached ./strace-static-x86_64: Process 6674 attached ./strace-static-x86_64: Process 6673 attached [pid 6667] <... futex resumed>) = ? [pid 6665] <... futex resumed>) = ? [pid 6662] <... futex resumed>) = ? [pid 6675] set_robust_list(0x7fc1280a89e0, 24 [pid 6674] set_robust_list(0x5555564f35e0, 24 [pid 6673] set_robust_list(0x7fc1280c99e0, 24 [pid 6667] +++ exited with 0 +++ [pid 6665] +++ exited with 0 +++ [pid 6662] +++ exited with 0 +++ [pid 6660] +++ exited with 0 +++ [pid 6658] +++ exited with 0 +++ [pid 6654] +++ exited with 0 +++ [pid 6675] <... set_robust_list resumed>) = 0 [pid 6674] <... set_robust_list resumed>) = 0 [pid 6673] <... set_robust_list resumed>) = 0 [pid 6675] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6673] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6654, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6658, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6675] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6674] <... prctl resumed>) = 0 [pid 6673] <... socket resumed>) = 4 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6660, si_uid=0, si_status=0, si_utime=0, si_stime=43} --- [pid 6675] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] setpgid(0, 0 [pid 6673] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6672] exit_group(0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6676] <... futex resumed>) = ? [pid 6675] <... futex resumed>) = ? [pid 6674] <... setpgid resumed>) = 0 [pid 6673] <... futex resumed>) = ? [pid 6672] <... exit_group resumed>) = ? [pid 6675] +++ exited with 0 +++ [pid 6674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6673] +++ exited with 0 +++ [pid 6674] <... openat resumed>) = 3 [pid 6674] write(3, "1000", 4) = 4 [pid 6674] close(3) = 0 [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6674] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6674] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6678], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6678 [pid 6674] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6678 attached [pid 6678] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6678] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6678] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] <... futex resumed>) = 1 [pid 6678] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6678] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] <... futex resumed>) = 1 [pid 6678] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 6678] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] <... futex resumed>) = 1 [pid 6678] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 6678] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] <... futex resumed>) = 1 [pid 6678] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 6678] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] <... futex resumed>) = 1 [pid 6678] sendto(3, "\x01", 1, 0, NULL, 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6677 [pid 6678] <... sendto resumed>) = 1 [pid 6678] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6674] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6674] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6678] <... futex resumed>) = 1 [pid 6678] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 6678] write(4, "5", 1) = 1 [pid 6678] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6680 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6679 [pid 6678] <... setsockopt resumed>) = 0 [pid 6678] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6674] <... futex resumed>) = 0 [pid 6674] exit_group(0) = ? [pid 6678] <... futex resumed>) = ? [ 235.875416][ T6666] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 235.883387][ T6666] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 235.891355][ T6666] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 235.899341][ T6666] [ 235.915379][ T6676] FAULT_INJECTION: forcing a failure. [ 235.915379][ T6676] name fail_futex, interval 1, probability 0, space 0, times 0 [ 235.936392][ T6676] CPU: 1 PID: 6676 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 235.946949][ T6676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 235.957029][ T6676] Call Trace: [ 235.960326][ T6676] [ 235.963290][ T6676] dump_stack_lvl+0xcd/0x134 [ 235.967917][ T6676] should_fail.cold+0x5/0xa [ 235.969485][ T6682] FAULT_INJECTION: forcing a failure. [ 235.969485][ T6682] name fail_futex, interval 1, probability 0, space 0, times 0 [ 235.972433][ T6676] get_futex_key+0x11d2/0x1c50 [ 235.989951][ T6676] ? futex_setup_timer+0xf0/0xf0 [ 235.994918][ T6676] futex_wake+0xe4/0x490 [ 235.999174][ T6676] ? futex_wake_mark+0x1a0/0x1a0 [ 236.004125][ T6676] ? find_held_lock+0x2d/0x110 [ 236.008905][ T6676] do_futex+0x266/0x300 [ 236.013090][ T6676] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 236.019009][ T6676] mm_release+0x235/0x2c0 [ 236.023342][ T6676] do_exit+0x8a0/0x29d0 [ 236.027500][ T6676] ? find_held_lock+0x2d/0x110 [ 236.032272][ T6676] ? mm_update_next_owner+0x7a0/0x7a0 [ 236.037647][ T6676] ? lock_downgrade+0x6e0/0x6e0 [ 236.042527][ T6676] do_group_exit+0xd2/0x2f0 [ 236.047057][ T6676] get_signal+0x2542/0x2600 [ 236.051599][ T6676] ? exit_signals+0x8b0/0x8b0 [ 236.056282][ T6676] ? userns_owner+0x40/0x40 [ 236.060798][ T6676] ? __task_pid_nr_ns+0x168/0x4b0 [ 236.065829][ T6676] ? lock_downgrade+0x6e0/0x6e0 [ 236.070700][ T6676] arch_do_signal_or_restart+0x82/0x2300 [ 236.076356][ T6676] ? from_kuid_munged+0xa2/0x130 [ 236.081316][ T6676] ? find_held_lock+0x2d/0x110 [ 236.086094][ T6676] ? get_sigframe_size+0x10/0x10 [ 236.091041][ T6676] ? ptrace_notify+0xfa/0x140 [ 236.095720][ T6676] ? lock_downgrade+0x6e0/0x6e0 [ 236.100570][ T6676] ? send_sig+0xfe/0x160 [ 236.104815][ T6676] ? send_sig_info+0x140/0x140 [ 236.109579][ T6676] ? exit_to_user_mode_prepare+0x137/0x250 [ 236.115406][ T6676] exit_to_user_mode_prepare+0x15f/0x250 [ 236.121041][ T6676] syscall_exit_to_user_mode+0x19/0x50 [ 236.126502][ T6676] do_syscall_64+0x42/0xb0 [ 236.130940][ T6676] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 236.136858][ T6676] RIP: 0033:0x7fc128117db9 [ 236.141287][ T6676] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 236.160902][ T6676] RSP: 002b:00007fc1280872e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 236.169316][ T6676] RAX: fffffffffffffe00 RBX: 00007fc1281a04c0 RCX: 00007fc128117db9 [ 236.177287][ T6676] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04c8 ./strace-static-x86_64: Process 6677 attached ./strace-static-x86_64: Process 6679 attached [pid 6679] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6679] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6680 attached [pid 6680] set_robust_list(0x5555564f35e0, 24 [pid 6679] <... prctl resumed>) = 0 [pid 6679] setpgid(0, 0) = 0 [pid 6680] <... set_robust_list resumed>) = 0 [pid 6679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6680] setpgid(0, 0 [pid 6679] <... openat resumed>) = 3 [pid 6680] <... setpgid resumed>) = 0 [pid 6678] +++ exited with 0 +++ [pid 6674] +++ exited with 0 +++ [pid 6680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6679] write(3, "1000", 4) = 4 [pid 6679] close(3 [pid 6680] <... openat resumed>) = 3 [pid 6679] <... close resumed>) = 0 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6680] write(3, "1000", 4 [pid 6679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6680] <... write resumed>) = 4 [pid 6679] <... mmap resumed>) = 0x7fc1280a9000 [pid 6680] close(3 [pid 6679] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6680] <... close resumed>) = 0 [pid 6679] <... mprotect resumed>) = 0 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6680] <... futex resumed>) = 0 [pid 6680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6679] <... clone resumed>, parent_tid=[6681], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6681 [pid 6680] <... mmap resumed>) = 0x7fc1280a9000 [pid 6679] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6679] <... futex resumed>) = 0 [pid 6680] <... mprotect resumed>) = 0 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6680] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6682], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6682 [pid 6680] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6681 attached [pid 6681] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6681] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6681] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] <... futex resumed>) = 0 [pid 6679] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] <... futex resumed>) = 1 [pid 6681] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6681] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] <... futex resumed>) = 0 [pid 6679] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] <... futex resumed>) = 1 [pid 6681] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 6681] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] <... futex resumed>) = 0 [pid 6679] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] <... futex resumed>) = 1 [pid 6681] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 6681] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6682 attached [pid 6679] <... futex resumed>) = 0 [pid 6679] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] set_robust_list(0x7fc1280c99e0, 24 [pid 6681] <... futex resumed>) = 1 [pid 6681] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6682] <... set_robust_list resumed>) = 0 [pid 6682] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6682] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] <... futex resumed>) = 0 [pid 6682] <... futex resumed>) = 1 [pid 6680] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6680] <... futex resumed>) = 0 [pid 6682] <... setsockopt resumed>) = 0 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6680] <... futex resumed>) = 0 [pid 6682] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6680] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6680] <... futex resumed>) = 0 [pid 6682] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] <... futex resumed>) = 0 [pid 6680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6680] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... setsockopt resumed>) = 0 [pid 6680] <... futex resumed>) = 0 [pid 6682] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] <... futex resumed>) = 0 [pid 6680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6680] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... sendto resumed>) = 1 [pid 6680] <... futex resumed>) = 0 [pid 6682] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] <... futex resumed>) = 0 [pid 6680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6680] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6680] <... futex resumed>) = 0 [pid 6682] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] <... futex resumed>) = 0 [pid 6680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6680] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6680] <... futex resumed>) = 0 [pid 6682] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6681] <... sendto resumed>) = 1 [pid 6680] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] <... openat resumed>) = 4 [pid 6681] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] write(4, "5", 1) = 1 [pid 6681] <... futex resumed>) = 1 [pid 6679] <... futex resumed>) = 0 [pid 6682] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6681] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6679] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... setsockopt resumed>) = 0 [pid 6681] <... sendto resumed>) = 1 [pid 6679] <... futex resumed>) = 0 [pid 6682] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] <... futex resumed>) = 0 [pid 6679] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6681] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6679] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6681] <... openat resumed>) = 4 [pid 6679] <... futex resumed>) = 0 [pid 6681] write(4, "5", 1 [pid 6679] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6681] <... write resumed>) = 1 [pid 6681] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6681] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6679] <... futex resumed>) = 0 [pid 6681] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6679] exit_group(0 [pid 6681] <... futex resumed>) = ? [pid 6679] <... exit_group resumed>) = ? [pid 6681] +++ exited with 0 +++ [pid 6679] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6679, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3615] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6677] set_robust_list(0x5555564f35e0, 24 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6680] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6674, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6680] exit_group(0 [pid 6677] <... set_robust_list resumed>) = 0 [pid 6680] <... exit_group resumed>) = ? [pid 6677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6677] <... prctl resumed>) = 0 [pid 6677] setpgid(0, 0) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6683 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6684 [pid 6677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6677] write(3, "1000", 4./strace-static-x86_64: Process 6684 attached ) = 4 [pid 6677] close(3) = 0 [ 236.185275][ T6676] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 236.193243][ T6676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280872f0 [ 236.201214][ T6676] R13: 00007fc1281a04c8 R14: 0100000000000000 R15: 0000000000000001 [ 236.209210][ T6676] [ 236.223802][ T6682] CPU: 1 PID: 6682 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 236.234361][ T6682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 236.244450][ T6682] Call Trace: [ 236.247745][ T6682] [ 236.250689][ T6682] dump_stack_lvl+0xcd/0x134 [ 236.255319][ T6682] should_fail.cold+0x5/0xa [ 236.259857][ T6682] get_futex_key+0x5b2/0x1c50 [ 236.264563][ T6682] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 236.270584][ T6682] ? futex_setup_timer+0xf0/0xf0 [ 236.275555][ T6682] futex_wake+0xe4/0x490 [ 236.279832][ T6682] ? futex_wake_mark+0x1a0/0x1a0 [ 236.284794][ T6682] ? ptrace_stop.part.0+0x5ec/0xa80 [ 236.290018][ T6682] ? do_raw_spin_lock+0x120/0x2a0 [ 236.295071][ T6682] ? rwlock_bug.part.0+0x90/0x90 [ 236.300029][ T6682] ? _raw_spin_lock_irq+0x41/0x50 [ 236.305086][ T6682] do_futex+0x266/0x300 [ 236.309267][ T6682] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 236.315187][ T6682] ? find_held_lock+0x2d/0x110 [ 236.320004][ T6682] __x64_sys_futex+0x1b0/0x4a0 [ 236.324801][ T6682] ? do_futex+0x300/0x300 [ 236.329153][ T6682] ? _raw_spin_unlock_irq+0x1f/0x40 [ 236.334382][ T6682] ? lockdep_hardirqs_on+0x79/0x100 [ 236.339617][ T6682] ? _raw_spin_unlock_irq+0x2a/0x40 [ 236.344848][ T6682] ? ptrace_notify+0xfa/0x140 [ 236.349555][ T6682] do_syscall_64+0x35/0xb0 [ 236.354003][ T6682] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 236.359929][ T6682] RIP: 0033:0x7fc128117db9 [ 236.364362][ T6682] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6684] setpgid(0, 0) = 0 [pid 6684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6684] write(3, "1000", 4) = 4 [pid 6684] close(3) = 0 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6684] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6684] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6685], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6685 [pid 6684] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6685 attached [pid 6685] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6685] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6685] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6685] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6684] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... setsockopt resumed>) = 0 [pid 6684] <... futex resumed>) = 0 [pid 6685] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] <... futex resumed>) = 0 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6684] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... setsockopt resumed>) = 0 [pid 6684] <... futex resumed>) = 0 [pid 6685] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] <... futex resumed>) = 0 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6684] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... setsockopt resumed>) = 0 [pid 6684] <... futex resumed>) = 0 [pid 6685] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] <... futex resumed>) = 0 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6684] <... futex resumed>) = 0 [pid 6685] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] <... sendto resumed>) = 1 [pid 6685] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6685] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6684] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... sendto resumed>) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6685] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] <... futex resumed>) = 0 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6684] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... openat resumed>) = 4 [pid 6684] <... futex resumed>) = 0 [pid 6685] write(4, "5", 1 [pid 6684] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] <... write resumed>) = 1 [pid 6685] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6685] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6684] <... futex resumed>) = 0 [pid 6685] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6684] exit_group(0 [pid 6685] <... futex resumed>) = ? [pid 6684] <... exit_group resumed>) = ? [pid 6685] +++ exited with 0 +++ [pid 6684] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6684, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6686 ./strace-static-x86_64: Process 6686 attached [pid 6686] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6686] setpgid(0, 0) = 0 [pid 6686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6686] write(3, "1000", 4) = 4 [pid 6686] close(3) = 0 [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6686] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6686] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6686] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6687], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6687 [pid 6686] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6687 attached [pid 6687] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6687] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6687] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6687] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6686] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6686] <... futex resumed>) = 0 [pid 6687] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... setsockopt resumed>) = 0 [pid 6687] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6687] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6686] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... setsockopt resumed>) = 0 [pid 6686] <... futex resumed>) = 0 [pid 6687] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... futex resumed>) = 0 [pid 6686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6687] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6686] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6686] <... futex resumed>) = 0 [pid 6687] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... setsockopt resumed>) = 0 [pid 6687] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6687] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6686] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6686] <... futex resumed>) = 0 [pid 6687] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... sendto resumed>) = 1 [pid 6687] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6687] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6686] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... sendto resumed>) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6687] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... futex resumed>) = 0 [pid 6686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6687] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6686] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6686] <... futex resumed>) = 0 [pid 6687] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6686] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6687] <... openat resumed>) = 4 [pid 6687] write(4, "5", 1) = 1 [pid 6687] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6687] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6686] <... futex resumed>) = 0 [pid 6687] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6686] exit_group(0 [pid 6687] <... futex resumed>) = ? [pid 6686] <... exit_group resumed>) = ? [pid 6687] +++ exited with 0 +++ [pid 6686] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6686, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6688 ./strace-static-x86_64: Process 6688 attached [pid 6688] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6688] setpgid(0, 0) = 0 [pid 6688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6688] write(3, "1000", 4) = 4 [pid 6688] close(3) = 0 [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6688] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6688] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6689], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6689 [pid 6688] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6689 attached [pid 6689] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6689] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6689] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6689] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6688] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... setsockopt resumed>) = 0 [pid 6688] <... futex resumed>) = 0 [pid 6689] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... futex resumed>) = 0 [pid 6688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6688] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... setsockopt resumed>) = 0 [pid 6688] <... futex resumed>) = 0 [pid 6689] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... futex resumed>) = 0 [pid 6688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] <... futex resumed>) = 0 [pid 6689] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... setsockopt resumed>) = 0 [pid 6689] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6689] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] <... futex resumed>) = 0 [pid 6689] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... sendto resumed>) = 1 [pid 6689] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6689] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6688] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... sendto resumed>) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6689] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... futex resumed>) = 0 [pid 6688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6688] <... futex resumed>) = 0 [pid 6689] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6688] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... openat resumed>) = 4 [pid 6689] write(4, "5", 1) = 1 [pid 6689] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6689] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6688] <... futex resumed>) = 0 [pid 6689] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6688] exit_group(0 [pid 6689] <... futex resumed>) = ? [pid 6688] <... exit_group resumed>) = ? [pid 6689] +++ exited with 0 +++ [pid 6688] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6688, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6690 ./strace-static-x86_64: Process 6690 attached [pid 6690] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6690] setpgid(0, 0) = 0 [pid 6690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6690] write(3, "1000", 4) = 4 [pid 6690] close(3) = 0 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6690] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6690] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6691], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6691 [pid 6690] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6691 attached [pid 6691] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6691] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6691] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6690] <... futex resumed>) = 0 [pid 6691] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6690] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... setsockopt resumed>) = 0 [pid 6690] <... futex resumed>) = 0 [pid 6691] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... futex resumed>) = 0 [pid 6690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6691] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6690] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... setsockopt resumed>) = 0 [pid 6690] <... futex resumed>) = 0 [pid 6691] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... futex resumed>) = 0 [pid 6690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6691] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6690] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] <... futex resumed>) = 0 [pid 6691] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... setsockopt resumed>) = 0 [pid 6691] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6690] <... futex resumed>) = 0 [pid 6691] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6690] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] <... futex resumed>) = 0 [pid 6691] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... sendto resumed>) = 1 [pid 6691] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6690] <... futex resumed>) = 0 [pid 6691] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6690] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... sendto resumed>) = 1 [pid 6690] <... futex resumed>) = 0 [pid 6691] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... futex resumed>) = 0 [pid 6690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6691] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6690] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6691] <... openat resumed>) = 4 [pid 6690] <... futex resumed>) = 0 [pid 6691] write(4, "5", 1 [pid 6690] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6691] <... write resumed>) = 1 [pid 6691] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6691] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6690] <... futex resumed>) = 0 [pid 6691] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6690] exit_group(0 [pid 6691] <... futex resumed>) = ? [pid 6690] <... exit_group resumed>) = ? [pid 6691] +++ exited with 0 +++ [pid 6690] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6692 ./strace-static-x86_64: Process 6692 attached [pid 6692] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6692] setpgid(0, 0) = 0 [pid 6692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6692] write(3, "1000", 4) = 4 [pid 6692] close(3) = 0 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6692] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6692] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6693], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6693 [pid 6692] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6693 attached [pid 6693] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6693] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6693] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6692] <... futex resumed>) = 0 [pid 6693] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6692] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... setsockopt resumed>) = 0 [pid 6692] <... futex resumed>) = 0 [pid 6693] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6693] <... futex resumed>) = 0 [pid 6692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6693] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6692] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... setsockopt resumed>) = 0 [pid 6692] <... futex resumed>) = 0 [pid 6693] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6693] <... futex resumed>) = 0 [pid 6692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6693] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6692] <... futex resumed>) = 0 [pid 6693] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6693] <... setsockopt resumed>) = 0 [pid 6693] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6692] <... futex resumed>) = 0 [pid 6693] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6692] <... futex resumed>) = 0 [pid 6693] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6693] <... sendto resumed>) = 1 [pid 6693] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6692] <... futex resumed>) = 0 [pid 6693] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6692] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... sendto resumed>) = 1 [pid 6692] <... futex resumed>) = 0 [pid 6693] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6693] <... futex resumed>) = 0 [pid 6692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6693] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6692] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6693] <... openat resumed>) = 4 [pid 6692] <... futex resumed>) = 0 [pid 6693] write(4, "5", 1 [pid 6692] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6693] <... write resumed>) = 1 [pid 6693] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6693] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6692] <... futex resumed>) = 0 [pid 6693] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6692] exit_group(0 [pid 6693] <... futex resumed>) = ? [pid 6692] <... exit_group resumed>) = ? [pid 6693] +++ exited with 0 +++ [pid 6692] +++ exited with 0 +++ [pid 6677] <... futex resumed>) = 0 [pid 6677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6692, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6677] <... mmap resumed>) = 0x7fc1280a9000 [pid 6677] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6683 attached ) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6683] set_robust_list(0x5555564f35e0, 24 [pid 6682] <... futex resumed>) = ? [pid 6677] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6666] <... futex resumed>) = ? [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6694 [pid 6683] <... set_robust_list resumed>) = 0 [pid 6682] +++ exited with 0 +++ [pid 6680] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6680, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6666] +++ exited with 0 +++ [pid 6683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6677] <... clone resumed>, parent_tid=[6695], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6695 [pid 6661] +++ exited with 0 +++ [pid 3608] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6695 attached [pid 6683] <... prctl resumed>) = 0 [pid 6677] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6661, si_uid=0, si_status=0, si_utime=0, si_stime=32} --- ./strace-static-x86_64: Process 6694 attached [pid 6695] set_robust_list(0x7fc1280c99e0, 24 [pid 6683] setpgid(0, 0 [pid 6677] <... futex resumed>) = 0 [pid 6695] <... set_robust_list resumed>) = 0 [pid 6694] set_robust_list(0x5555564f35e0, 24 [pid 6683] <... setpgid resumed>) = 0 [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6695] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6694] <... set_robust_list resumed>) = 0 [pid 6683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6697 attached ./strace-static-x86_64: Process 6696 attached [pid 6695] <... socket resumed>) = 3 [pid 6694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6683] <... openat resumed>) = 3 [pid 6676] +++ exited with 0 +++ [pid 6672] +++ exited with 0 +++ [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6696 [pid 6696] set_robust_list(0x5555564f35e0, 24 [pid 6695] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... prctl resumed>) = 0 [pid 6683] write(3, "1000", 4 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6697 [pid 6697] set_robust_list(0x5555564f35e0, 24 [pid 6696] <... set_robust_list resumed>) = 0 [pid 6695] <... futex resumed>) = 1 [pid 6694] setpgid(0, 0 [pid 6683] <... write resumed>) = 4 [pid 6677] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6672, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 6696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6695] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... setpgid resumed>) = 0 [pid 6683] close(3 [pid 6677] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 6696] <... prctl resumed>) = 0 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6683] <... close resumed>) = 0 [pid 6677] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 6697] <... set_robust_list resumed>) = 0 [pid 6696] setpgid(0, 0 [pid 6695] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6694] <... openat resumed>) = 3 [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 236.384031][ T6682] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 236.392473][ T6682] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 236.400476][ T6682] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 236.408472][ T6682] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 236.416550][ T6682] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 236.424549][ T6682] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 236.432574][ T6682] [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... setpgid resumed>) = 0 [pid 6695] <... setsockopt resumed>) = 0 [pid 6694] write(3, "1000", 4 [pid 6683] <... futex resumed>) = 0 [pid 6697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6695] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... write resumed>) = 4 [pid 6683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6698 attached [pid 6697] <... prctl resumed>) = 0 [pid 6696] <... openat resumed>) = 3 [pid 6695] <... futex resumed>) = 1 [pid 6694] close(3 [pid 6683] <... mmap resumed>) = 0x7fc1280a9000 [pid 6677] <... futex resumed>) = 0 [pid 6697] setpgid(0, 0 [pid 6696] write(3, "1000", 4 [pid 6695] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... close resumed>) = 0 [pid 6683] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6677] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6698 [pid 6697] <... setpgid resumed>) = 0 [pid 6696] <... write resumed>) = 4 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... mprotect resumed>) = 0 [pid 6677] <... futex resumed>) = 0 [pid 6698] set_robust_list(0x5555564f35e0, 24 [pid 6697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6696] close(3 [pid 6695] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6694] <... futex resumed>) = 0 [pid 6683] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] <... set_robust_list resumed>) = 0 [pid 6697] <... openat resumed>) = 3 [pid 6696] <... close resumed>) = 0 [pid 6695] <... setsockopt resumed>) = 0 [pid 6694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6697] write(3, "1000", 4 [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... mmap resumed>) = 0x7fc1280a9000 [pid 6683] <... clone resumed>, parent_tid=[6699], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6699 [pid 6698] <... prctl resumed>) = 0 [pid 6697] <... write resumed>) = 4 [pid 6696] <... futex resumed>) = 0 [pid 6695] <... futex resumed>) = 1 [pid 6694] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6683] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... futex resumed>) = 0 [pid 6698] setpgid(0, 0 [pid 6697] close(3 [pid 6696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6695] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... mprotect resumed>) = 0 [pid 6683] <... futex resumed>) = 0 [pid 6677] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... setpgid resumed>) = 0 [pid 6697] <... close resumed>) = 0 [pid 6696] <... mmap resumed>) = 0x7fc1280a9000 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6694] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6700 attached ./strace-static-x86_64: Process 6699 attached [pid 6698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6697] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6695] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] set_robust_list(0x7fc1280c99e0, 24 [pid 6699] set_robust_list(0x7fc1280c99e0, 24 [pid 6698] <... openat resumed>) = 3 [pid 6697] <... futex resumed>) = 0 [pid 6696] <... mprotect resumed>) = 0 [pid 6695] <... setsockopt resumed>) = 0 [pid 6694] <... clone resumed>, parent_tid=[6700], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6700 [pid 6700] <... set_robust_list resumed>) = 0 [pid 6699] <... set_robust_list resumed>) = 0 [pid 6698] write(3, "1000", 4 [pid 6697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6696] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6695] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6698] <... write resumed>) = 4 [pid 6697] <... mmap resumed>) = 0x7fc1280a9000 [pid 6695] <... futex resumed>) = 1 [pid 6694] <... futex resumed>) = 0 [pid 6677] <... futex resumed>) = 0 [pid 6700] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6699] <... socket resumed>) = 3 [pid 6698] close(3 [pid 6697] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6696] <... clone resumed>, parent_tid=[6701], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6701 [pid 6695] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... socket resumed>) = 3 [pid 6699] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... close resumed>) = 0 [pid 6697] <... mprotect resumed>) = 0 [pid 6696] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6677] <... futex resumed>) = 0 [pid 6700] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... futex resumed>) = 1 [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6696] <... futex resumed>) = 0 [pid 6695] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6683] <... futex resumed>) = 0 [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] <... futex resumed>) = 1 [pid 6699] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6694] <... futex resumed>) = 0 [pid 6683] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6701 attached [pid 6697] <... clone resumed>, parent_tid=[6702], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6702 [pid 6694] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... futex resumed>) = 0 [pid 6701] set_robust_list(0x7fc1280c99e0, 24 [pid 6697] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 0 [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6701] <... set_robust_list resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6701] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6698] <... mmap resumed>) = 0x7fc1280a9000 [pid 6697] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6701] <... socket resumed>) = 3 [pid 6698] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6701] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... mprotect resumed>) = 0 [pid 6701] <... futex resumed>) = 1 [pid 6698] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6696] <... futex resumed>) = 0 [pid 6699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6696] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6699] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6698] <... clone resumed>, parent_tid=[6703], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6703 [pid 6696] <... futex resumed>) = 0 [pid 6701] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6700] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6699] <... setsockopt resumed>) = 0 [pid 6698] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] <... sendto resumed>) = 1 [pid 6701] <... setsockopt resumed>) = 0 [pid 6700] <... setsockopt resumed>) = 0 [pid 6699] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = 0 [pid 6695] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6703 attached [pid 6701] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... futex resumed>) = 1 [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6677] <... futex resumed>) = 0 [pid 6703] set_robust_list(0x7fc1280c99e0, 24 [pid 6701] <... futex resumed>) = 1 [pid 6700] <... futex resumed>) = 1 [pid 6699] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6696] <... futex resumed>) = 0 [pid 6695] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... futex resumed>) = 0 [pid 6683] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... set_robust_list resumed>) = 0 [pid 6701] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6700] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6694] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... futex resumed>) = 0 [pid 6677] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6702 attached [pid 6703] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6699] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6696] <... futex resumed>) = 0 [pid 6695] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6694] <... futex resumed>) = 0 [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] <... socket resumed>) = 3 [pid 6702] set_robust_list(0x7fc1280c99e0, 24 [pid 6701] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6700] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6699] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] <... sendto resumed>) = 1 [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] <... set_robust_list resumed>) = 0 [pid 6701] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6700] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6699] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = 1 [pid 6702] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6701] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... futex resumed>) = 1 [pid 6698] <... futex resumed>) = 0 [pid 6695] <... futex resumed>) = 1 [pid 6683] <... futex resumed>) = 0 [pid 6677] <... futex resumed>) = 0 [pid 6703] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] <... socket resumed>) = 3 [pid 6701] <... futex resumed>) = 1 [pid 6700] <... futex resumed>) = 1 [pid 6699] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] <... futex resumed>) = 0 [pid 6695] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... futex resumed>) = 0 [pid 6683] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] <... futex resumed>) = 0 [pid 6703] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6694] <... futex resumed>) = 0 [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6695] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6677] <... futex resumed>) = 0 [pid 6702] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... setsockopt resumed>) = 0 [pid 6702] <... futex resumed>) = 1 [pid 6701] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6700] <... setsockopt resumed>) = 0 [pid 6699] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6697] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... setsockopt resumed>) = 0 [pid 6700] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... setsockopt resumed>) = 0 [pid 6697] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... openat resumed>) = 4 [pid 6694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] <... futex resumed>) = 1 [pid 6702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... futex resumed>) = 0 [pid 6699] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6695] write(4, "5", 1 [pid 6694] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6701] <... futex resumed>) = 1 [pid 6700] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6699] <... futex resumed>) = 1 [pid 6698] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6695] <... write resumed>) = 1 [pid 6694] <... futex resumed>) = 0 [pid 6683] <... futex resumed>) = 0 [pid 6703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6702] <... setsockopt resumed>) = 0 [pid 6701] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6698] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6700] <... sendto resumed>) = 1 [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6702] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6683] <... futex resumed>) = 0 [pid 6703] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6702] <... futex resumed>) = 1 [pid 6701] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6700] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... sendto resumed>) = 1 [pid 6697] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6695] <... setsockopt resumed>) = 0 [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... sendto resumed>) = 1 [pid 6700] <... futex resumed>) = 1 [pid 6699] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 0 [pid 6683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] <... futex resumed>) = 1 [pid 6702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... futex resumed>) = 0 [pid 6698] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6695] <... futex resumed>) = 1 [pid 6694] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... futex resumed>) = 0 [pid 6703] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6701] <... futex resumed>) = 1 [pid 6700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6699] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6698] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6695] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... futex resumed>) = 0 [pid 6683] <... futex resumed>) = 0 [pid 6677] exit_group(0 [pid 6703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6702] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6701] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6700] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6699] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6698] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6695] <... futex resumed>) = ? [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] <... exit_group resumed>) = ? [pid 6703] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6702] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6700] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6699] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6695] +++ exited with 0 +++ [pid 6683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] <... setsockopt resumed>) = 0 [pid 6702] <... futex resumed>) = 1 [pid 6701] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6700] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6699] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6683] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] +++ exited with 0 +++ [pid 6703] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6700] <... futex resumed>) = 1 [pid 6699] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6697] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = 0 [pid 6683] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6677, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6703] <... futex resumed>) = 1 [pid 6702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6699] <... openat resumed>) = 4 [pid 6698] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6694] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6683] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6702] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6701] <... futex resumed>) = 1 [pid 6700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6699] write(4, "5", 1 [pid 6698] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6694] <... futex resumed>) = 0 [pid 6703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6702] <... setsockopt resumed>) = 0 [pid 6701] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6700] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6699] <... write resumed>) = 1 [pid 6698] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6702] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6700] <... openat resumed>) = 4 [pid 6699] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... futex resumed>) = 0 [pid 6703] <... sendto resumed>) = 1 [pid 6702] <... futex resumed>) = 1 [pid 6701] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6700] write(4, "5", 1 [pid 6699] <... setsockopt resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 6696] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... openat resumed>) = 4 [pid 6700] <... write resumed>) = 1 [pid 6699] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = 1 [pid 6702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] write(4, "5", 1 [pid 6700] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6698] <... futex resumed>) = 0 [pid 6697] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6703] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... write resumed>) = 1 [pid 6698] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6698] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6704 [pid 6703] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6701] <... setsockopt resumed>) = 0 [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6701] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6704 attached [pid 6703] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6702] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6700] <... setsockopt resumed>) = 0 [pid 6703] <... futex resumed>) = 1 [pid 6698] <... futex resumed>) = 0 [pid 6703] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] <... futex resumed>) = 0 [pid 6703] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6698] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6703] <... openat resumed>) = 4 [pid 6703] write(4, "5", 1) = 1 [ 236.560907][ T6699] FAULT_INJECTION: forcing a failure. [ 236.560907][ T6699] name fail_futex, interval 1, probability 0, space 0, times 0 [ 236.572966][ T6701] FAULT_INJECTION: forcing a failure. [ 236.572966][ T6701] name fail_futex, interval 1, probability 0, space 0, times 0 [ 236.575615][ T6699] CPU: 0 PID: 6699 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 236.597181][ T6699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6703] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6703] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6696] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6694] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6683] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6697] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] exit_group(0 [pid 6683] exit_group(0 [pid 6697] <... futex resumed>) = 0 [pid 6696] <... exit_group resumed>) = ? [pid 6683] <... exit_group resumed>) = ? [pid 6697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6697] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6697] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6705], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6705 [pid 6697] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6697] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6698] exit_group(0) = ? [ 236.597321][ T6703] FAULT_INJECTION: forcing a failure. [ 236.597321][ T6703] name fail_futex, interval 1, probability 0, space 0, times 0 [ 236.607334][ T6699] Call Trace: [ 236.607344][ T6699] [ 236.607353][ T6699] dump_stack_lvl+0xcd/0x134 [ 236.607385][ T6699] should_fail.cold+0x5/0xa [ 236.607413][ T6699] get_futex_key+0x5b2/0x1c50 [ 236.607438][ T6699] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 236.646252][ T6699] ? futex_setup_timer+0xf0/0xf0 [ 236.651223][ T6699] futex_wake+0xe4/0x490 [ 236.655495][ T6699] ? futex_wake_mark+0x1a0/0x1a0 [pid 6704] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6704] setpgid(0, 0) = 0 [pid 6704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 236.660467][ T6699] ? ptrace_stop.part.0+0x5ec/0xa80 [ 236.665689][ T6699] ? do_raw_spin_lock+0x120/0x2a0 [ 236.670723][ T6699] ? rwlock_bug.part.0+0x90/0x90 [ 236.675667][ T6699] ? _raw_spin_lock_irq+0x41/0x50 [ 236.680701][ T6699] do_futex+0x266/0x300 [ 236.684860][ T6699] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 236.690753][ T6699] ? find_held_lock+0x2d/0x110 [ 236.695534][ T6699] __x64_sys_futex+0x1b0/0x4a0 [ 236.700310][ T6699] ? do_futex+0x300/0x300 [ 236.704638][ T6699] ? _raw_spin_unlock_irq+0x1f/0x40 [ 236.709876][ T6699] ? lockdep_hardirqs_on+0x79/0x100 [ 236.715075][ T6699] ? _raw_spin_unlock_irq+0x2a/0x40 [ 236.720277][ T6699] ? ptrace_notify+0xfa/0x140 [ 236.724956][ T6699] do_syscall_64+0x35/0xb0 [ 236.729372][ T6699] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 236.735268][ T6699] RIP: 0033:0x7fc128117db9 [ 236.739680][ T6699] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6704] write(3, "1000", 4 [ 236.759287][ T6699] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 236.767718][ T6699] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 236.775786][ T6699] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 236.783756][ T6699] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 236.791726][ T6699] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 236.799700][ T6699] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 236.807769][ T6699] [pid 6700] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6694] exit_group(0 [pid 6704] <... write resumed>) = 4 [pid 6702] <... sendto resumed>) = 1 [pid 6694] <... exit_group resumed>) = ? [pid 6704] close(3) = 0 [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6704] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6704] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6704] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6706], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6706 [pid 6704] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6706 attached [pid 6706] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6706] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6706] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6706] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] <... futex resumed>) = 0 [pid 6706] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... setsockopt resumed>) = 0 [pid 6706] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6706] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 236.816692][ T6701] CPU: 0 PID: 6701 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 236.817661][ T6700] FAULT_INJECTION: forcing a failure. [ 236.817661][ T6700] name fail_futex, interval 1, probability 0, space 0, times 0 [ 236.827208][ T6701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 236.827224][ T6701] Call Trace: [ 236.827232][ T6701] [ 236.827240][ T6701] dump_stack_lvl+0xcd/0x134 [ 236.827271][ T6701] should_fail.cold+0x5/0xa [ 236.827299][ T6701] get_futex_key+0x5b2/0x1c50 [ 236.827324][ T6701] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 236.827355][ T6701] ? futex_setup_timer+0xf0/0xf0 [ 236.827389][ T6701] futex_wake+0xe4/0x490 [ 236.827417][ T6701] ? futex_wake_mark+0x1a0/0x1a0 [ 236.827441][ T6701] ? ptrace_stop.part.0+0x5ec/0xa80 [ 236.897859][ T6701] ? do_raw_spin_lock+0x120/0x2a0 [ 236.902942][ T6701] ? rwlock_bug.part.0+0x90/0x90 [ 236.907903][ T6701] ? _raw_spin_lock_irq+0x41/0x50 [ 236.912972][ T6701] do_futex+0x266/0x300 [ 236.917159][ T6701] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 236.923075][ T6701] ? find_held_lock+0x2d/0x110 [ 236.927864][ T6701] __x64_sys_futex+0x1b0/0x4a0 [ 236.932650][ T6701] ? do_futex+0x300/0x300 [ 236.936999][ T6701] ? _raw_spin_unlock_irq+0x1f/0x40 [ 236.942228][ T6701] ? lockdep_hardirqs_on+0x79/0x100 [ 236.947443][ T6701] ? _raw_spin_unlock_irq+0x2a/0x40 [ 236.952654][ T6701] ? ptrace_notify+0xfa/0x140 [ 236.957350][ T6701] do_syscall_64+0x35/0xb0 [ 236.962058][ T6701] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 236.967987][ T6701] RIP: 0033:0x7fc128117db9 [ 236.968423][ T6707] FAULT_INJECTION: forcing a failure. [ 236.968423][ T6707] name fail_futex, interval 1, probability 0, space 0, times 0 [ 236.972414][ T6701] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 236.972439][ T6701] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6704] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] <... futex resumed>) = 0 [pid 6706] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... setsockopt resumed>) = 0 [pid 6706] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6706] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] <... futex resumed>) = 0 [pid 6706] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... setsockopt resumed>) = 0 [pid 6706] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6706] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] <... futex resumed>) = 0 [pid 6706] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... sendto resumed>) = 1 [pid 6706] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6706] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] <... futex resumed>) = 0 [pid 6706] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... sendto resumed>) = 1 [pid 6706] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6706] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6706] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6704] <... futex resumed>) = 0 [pid 6706] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6704] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6706] <... openat resumed>) = 4 [pid 6706] write(4, "5", 1) = 1 [pid 6706] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6706] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6704] <... futex resumed>) = 0 [pid 6706] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] exit_group(0 [pid 6706] <... futex resumed>) = ? [pid 6704] <... exit_group resumed>) = ? [pid 6706] +++ exited with 0 +++ [pid 6704] +++ exited with 0 +++ [pid 6697] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128067000 [pid 6697] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6697] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6707], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6707 [pid 6697] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6697] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6707 attached [pid 6707] set_robust_list(0x7fc1280879e0, 24) = 0 [pid 6707] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 6707] write(4, "5", 1) = 1 [pid 6707] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6707] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 237.013435][ T6701] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 237.021427][ T6701] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 237.029412][ T6701] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 237.037393][ T6701] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 237.045372][ T6701] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 237.053367][ T6701] [ 237.057848][ T6700] CPU: 1 PID: 6700 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 237.068383][ T6700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 237.078615][ T6700] Call Trace: [ 237.081895][ T6700] [ 237.084828][ T6700] dump_stack_lvl+0xcd/0x134 [ 237.089432][ T6700] should_fail.cold+0x5/0xa [ 237.093953][ T6700] get_futex_key+0x5b2/0x1c50 [ 237.098637][ T6700] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 237.104632][ T6700] ? futex_setup_timer+0xf0/0xf0 [ 237.109599][ T6700] futex_wake+0xe4/0x490 [ 237.113857][ T6700] ? futex_wake_mark+0x1a0/0x1a0 [ 237.118804][ T6700] ? ptrace_stop.part.0+0x5ec/0xa80 [ 237.124010][ T6700] ? do_raw_spin_lock+0x120/0x2a0 [ 237.129045][ T6700] ? rwlock_bug.part.0+0x90/0x90 [ 237.133989][ T6700] ? _raw_spin_lock_irq+0x41/0x50 [ 237.139030][ T6700] do_futex+0x266/0x300 [ 237.143193][ T6700] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 237.149097][ T6700] ? find_held_lock+0x2d/0x110 [ 237.153939][ T6700] __x64_sys_futex+0x1b0/0x4a0 [ 237.158720][ T6700] ? do_futex+0x300/0x300 [ 237.163056][ T6700] ? _raw_spin_unlock_irq+0x1f/0x40 [ 237.168269][ T6700] ? lockdep_hardirqs_on+0x79/0x100 [ 237.173476][ T6700] ? _raw_spin_unlock_irq+0x2a/0x40 [ 237.178689][ T6700] ? ptrace_notify+0xfa/0x140 [ 237.183381][ T6700] do_syscall_64+0x35/0xb0 [ 237.187820][ T6700] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 237.193718][ T6700] RIP: 0033:0x7fc128117db9 [ 237.198134][ T6700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 237.217763][ T6700] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 237.226176][ T6700] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 237.234149][ T6700] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 237.242116][ T6700] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 237.250085][ T6700] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 237.258054][ T6700] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6702] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6704, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 6705 attached [pid 6702] <... futex resumed>) = 0 [ 237.266064][ T6700] [ 237.269144][ T6703] CPU: 0 PID: 6703 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 237.279670][ T6703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 237.289735][ T6703] Call Trace: [ 237.293027][ T6703] [ 237.295975][ T6703] dump_stack_lvl+0xcd/0x134 [ 237.300604][ T6703] should_fail.cold+0x5/0xa [ 237.305136][ T6703] get_futex_key+0x5b2/0x1c50 [ 237.309838][ T6703] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 237.315843][ T6703] ? futex_setup_timer+0xf0/0xf0 [ 237.320898][ T6703] futex_wake+0xe4/0x490 [ 237.325157][ T6703] ? futex_wake_mark+0x1a0/0x1a0 [ 237.330109][ T6703] ? ptrace_stop.part.0+0x5ec/0xa80 [ 237.335326][ T6703] ? do_raw_spin_lock+0x120/0x2a0 [ 237.340364][ T6703] ? rwlock_bug.part.0+0x90/0x90 [ 237.345319][ T6703] ? _raw_spin_lock_irq+0x41/0x50 [ 237.350374][ T6703] do_futex+0x266/0x300 [ 237.354547][ T6703] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 237.360449][ T6703] ? find_held_lock+0x2d/0x110 [ 237.365234][ T6703] __x64_sys_futex+0x1b0/0x4a0 [ 237.370015][ T6703] ? do_futex+0x300/0x300 [ 237.374354][ T6703] ? _raw_spin_unlock_irq+0x1f/0x40 [ 237.379574][ T6703] ? lockdep_hardirqs_on+0x79/0x100 [ 237.384785][ T6703] ? _raw_spin_unlock_irq+0x2a/0x40 [ 237.390006][ T6703] ? ptrace_notify+0xfa/0x140 [ 237.394705][ T6703] do_syscall_64+0x35/0xb0 [ 237.399132][ T6703] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 237.405043][ T6703] RIP: 0033:0x7fc128117db9 [ 237.409490][ T6703] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 237.429115][ T6703] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 237.437549][ T6703] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 237.445535][ T6703] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 237.453518][ T6703] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 237.461505][ T6703] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 237.469486][ T6703] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 237.477486][ T6703] [ 237.480895][ T6707] CPU: 1 PID: 6707 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 237.491415][ T6707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 237.501473][ T6707] Call Trace: [ 237.504767][ T6707] [ 237.507696][ T6707] dump_stack_lvl+0xcd/0x134 [ 237.512298][ T6707] should_fail.cold+0x5/0xa [ 237.516807][ T6707] get_futex_key+0x5b2/0x1c50 [ 237.521492][ T6707] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 237.527564][ T6707] ? futex_setup_timer+0xf0/0xf0 [ 237.532517][ T6707] futex_wake+0xe4/0x490 [ 237.536767][ T6707] ? futex_wake_mark+0x1a0/0x1a0 [ 237.541731][ T6707] ? ptrace_stop.part.0+0x5ec/0xa80 [ 237.546931][ T6707] ? do_raw_spin_lock+0x120/0x2a0 [ 237.551960][ T6707] ? rwlock_bug.part.0+0x90/0x90 [ 237.556920][ T6707] ? _raw_spin_lock_irq+0x41/0x50 [ 237.561977][ T6707] do_futex+0x266/0x300 [ 237.566147][ T6707] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 237.572059][ T6707] ? find_held_lock+0x2d/0x110 [ 237.576838][ T6707] __x64_sys_futex+0x1b0/0x4a0 [ 237.581609][ T6707] ? do_futex+0x300/0x300 [ 237.585941][ T6707] ? _raw_spin_unlock_irq+0x1f/0x40 [ 237.591160][ T6707] ? lockdep_hardirqs_on+0x79/0x100 [ 237.596363][ T6707] ? _raw_spin_unlock_irq+0x2a/0x40 [ 237.601568][ T6707] ? ptrace_notify+0xfa/0x140 [ 237.606249][ T6707] do_syscall_64+0x35/0xb0 [ 237.610767][ T6707] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 237.616686][ T6707] RIP: 0033:0x7fc128117db9 [ 237.621104][ T6707] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 237.640717][ T6707] RSP: 002b:00007fc1280872e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 237.649150][ T6707] RAX: ffffffffffffffda RBX: 00007fc1281a04c0 RCX: 00007fc128117db9 [ 237.657122][ T6707] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04cc [pid 6705] set_robust_list(0x7fc1280a89e0, 24 [pid 6702] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... futex resumed>) = ? [pid 6705] <... set_robust_list resumed>) = 0 [pid 6705] sendto(3, "\x01", 1, 0, NULL, 0) = -1 ECONNREFUSED (Connection refused) [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6705] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] exit_group(0./strace-static-x86_64: Process 6708 attached [pid 6705] <... futex resumed>) = ? [pid 6703] <... futex resumed>) = ? [pid 6702] <... futex resumed>) = ? [pid 6701] +++ exited with 0 +++ [pid 6707] <... futex resumed>) = ? [pid 6700] <... futex resumed>) = ? [pid 6699] <... futex resumed>) = ? [pid 6697] <... exit_group resumed>) = ? [pid 6696] +++ exited with 0 +++ [pid 6708] set_robust_list(0x5555564f35e0, 24 [pid 6705] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6696, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6703] +++ exited with 0 +++ [pid 6702] +++ exited with 0 +++ [pid 6700] +++ exited with 0 +++ [pid 6698] +++ exited with 0 +++ [pid 6694] +++ exited with 0 +++ [pid 6708] <... set_robust_list resumed>) = 0 [pid 6699] +++ exited with 0 +++ [pid 6683] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6694, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6698, si_uid=0, si_status=0, si_utime=0, si_stime=36} --- [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6708 [pid 6708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6707] +++ exited with 0 +++ [pid 6697] +++ exited with 0 +++ [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6708] <... prctl resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6697, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6683, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6708] setpgid(0, 0) = 0 [pid 6708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 3611] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6709 attached [pid 6708] <... openat resumed>) = 3 [pid 3614] <... restart_syscall resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6709 [pid 6709] set_robust_list(0x5555564f35e0, 24 [pid 6708] write(3, "1000", 4 [pid 6709] <... set_robust_list resumed>) = 0 [pid 6708] <... write resumed>) = 4 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6708] close(3 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6711 attached ./strace-static-x86_64: Process 6710 attached [pid 6709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6708] <... close resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6710 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6708] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6709] <... prctl resumed>) = 0 [pid 6708] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6712 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6711 [pid 6710] set_robust_list(0x5555564f35e0, 24 [pid 6709] setpgid(0, 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6713 [pid 6711] set_robust_list(0x5555564f35e0, 24 [pid 6710] <... set_robust_list resumed>) = 0 [pid 6709] <... setpgid resumed>) = 0 [pid 6708] <... clone resumed>, parent_tid=[6714], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6714 ./strace-static-x86_64: Process 6712 attached [pid 6709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6708] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] set_robust_list(0x5555564f35e0, 24 [pid 6711] <... set_robust_list resumed>) = 0 [pid 6710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6709] <... openat resumed>) = 3 [pid 6708] <... futex resumed>) = 0 [pid 6712] <... set_robust_list resumed>) = 0 [pid 6711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6710] <... prctl resumed>) = 0 [pid 6709] write(3, "1000", 4 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6713 attached [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6711] <... prctl resumed>) = 0 [pid 6710] setpgid(0, 0 [pid 6709] <... write resumed>) = 4 ./strace-static-x86_64: Process 6714 attached [pid 6713] set_robust_list(0x5555564f35e0, 24 [pid 6712] <... prctl resumed>) = 0 [pid 6711] setpgid(0, 0 [pid 6710] <... setpgid resumed>) = 0 [pid 6709] close(3 [pid 6714] set_robust_list(0x7fc1280c99e0, 24 [pid 6713] <... set_robust_list resumed>) = 0 [pid 6712] setpgid(0, 0 [pid 6711] <... setpgid resumed>) = 0 [pid 6709] <... close resumed>) = 0 [pid 6710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6714] <... set_robust_list resumed>) = 0 [pid 6712] <... setpgid resumed>) = 0 [pid 6711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6713] prctl(PR_SET_PDEATHSIG, SIGKILL [ 237.665091][ T6707] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 237.673059][ T6707] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280872f0 [ 237.681031][ T6707] R13: 00007fc1281a04c8 R14: 0100000000000000 R15: 0000000000000001 [ 237.689018][ T6707] [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6710] <... openat resumed>) = 3 [pid 6709] <... futex resumed>) = 0 [pid 6714] <... socket resumed>) = 3 [pid 6713] <... prctl resumed>) = 0 [pid 6712] <... openat resumed>) = 3 [pid 6711] <... openat resumed>) = 3 [pid 6710] write(3, "1000", 4 [pid 6709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6714] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] setpgid(0, 0 [pid 6712] write(3, "1000", 4 [pid 6711] write(3, "1000", 4 [pid 6710] <... write resumed>) = 4 [pid 6709] <... mmap resumed>) = 0x7fc1280a9000 [pid 6714] <... futex resumed>) = 1 [pid 6713] <... setpgid resumed>) = 0 [pid 6712] <... write resumed>) = 4 [pid 6711] <... write resumed>) = 4 [pid 6710] close(3 [pid 6709] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6708] <... futex resumed>) = 0 [pid 6714] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] close(3 [pid 6708] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6712] <... close resumed>) = 0 [pid 6708] <... futex resumed>) = 0 [pid 6714] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] close(3 [pid 6710] <... close resumed>) = 0 [pid 6709] <... mprotect resumed>) = 0 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6714] <... setsockopt resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... close resumed>) = 0 [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6714] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] <... openat resumed>) = 3 [pid 6712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6714] <... futex resumed>) = 1 [pid 6713] write(3, "1000", 4 [pid 6712] <... mmap resumed>) = 0x7fc1280a9000 [pid 6711] <... futex resumed>) = 0 [pid 6710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6708] <... futex resumed>) = 0 [pid 6714] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6713] <... write resumed>) = 4 [pid 6712] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6710] <... mmap resumed>) = 0x7fc1280a9000 [pid 6709] <... clone resumed>, parent_tid=[6715], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6715 [pid 6708] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6715 attached [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] close(3 [pid 6712] <... mprotect resumed>) = 0 [pid 6711] <... mmap resumed>) = 0x7fc1280a9000 [pid 6710] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6709] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] <... futex resumed>) = 0 [pid 6715] set_robust_list(0x7fc1280c99e0, 24 [pid 6714] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6713] <... close resumed>) = 0 [pid 6712] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6711] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6710] <... mprotect resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] <... set_robust_list resumed>) = 0 [pid 6714] <... setsockopt resumed>) = 0 [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] <... mprotect resumed>) = 0 [pid 6710] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6715] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6714] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] <... futex resumed>) = 0 [pid 6712] <... clone resumed>, parent_tid=[6716], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6716 [pid 6711] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6715] <... socket resumed>) = 3 [pid 6714] <... futex resumed>) = 1 [pid 6713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6712] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6718 attached ./strace-static-x86_64: Process 6716 attached [pid 6715] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6713] <... mmap resumed>) = 0x7fc1280a9000 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... clone resumed>, parent_tid=[6718], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6718 [pid 6710] <... clone resumed>, parent_tid=[6717], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6717 [pid 6708] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6717 attached [pid 6718] set_robust_list(0x7fc1280c99e0, 24 [pid 6716] set_robust_list(0x7fc1280c99e0, 24 [pid 6715] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] <... futex resumed>) = 0 [pid 6708] <... futex resumed>) = 0 [pid 6718] <... set_robust_list resumed>) = 0 [pid 6717] set_robust_list(0x7fc1280c99e0, 24 [pid 6716] <... set_robust_list resumed>) = 0 [pid 6715] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6713] <... mprotect resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] <... futex resumed>) = 0 [pid 6709] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6718] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6717] <... set_robust_list resumed>) = 0 [pid 6716] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... setsockopt resumed>) = 0 [pid 6713] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] <... futex resumed>) = 0 [pid 6718] <... socket resumed>) = 3 [pid 6717] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6716] <... socket resumed>) = 3 [pid 6715] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6714] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6718] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... socket resumed>) = 3 [pid 6716] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... setsockopt resumed>) = 0 [pid 6714] <... futex resumed>) = 1 [pid 6713] <... clone resumed>, parent_tid=[6719], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6719 [pid 6708] <... futex resumed>) = 0 [pid 6718] <... futex resumed>) = 1 [pid 6717] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... futex resumed>) = 1 [pid 6715] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6713] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6708] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6719 attached [pid 6718] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] <... futex resumed>) = 1 [pid 6716] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6708] <... futex resumed>) = 0 [pid 6719] set_robust_list(0x7fc1280c99e0, 24 [pid 6718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6717] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... set_robust_list resumed>) = 0 [pid 6718] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6716] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... sendto resumed>) = 1 [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6719] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6718] <... setsockopt resumed>) = 0 [pid 6717] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6716] <... setsockopt resumed>) = 0 [pid 6715] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6714] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... socket resumed>) = 3 [pid 6718] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... setsockopt resumed>) = 0 [pid 6716] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6714] <... futex resumed>) = 1 [pid 6708] <... futex resumed>) = 0 [pid 6719] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] <... futex resumed>) = 1 [pid 6717] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... futex resumed>) = 1 [pid 6715] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6708] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = 1 [pid 6718] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] <... futex resumed>) = 1 [pid 6716] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6708] <... futex resumed>) = 0 [pid 6719] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6717] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6713] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6716] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... sendto resumed>) = 1 [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6719] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6718] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6717] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6716] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6715] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6714] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... setsockopt resumed>) = 0 [pid 6718] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6716] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... setsockopt resumed>) = 0 [pid 6714] <... futex resumed>) = 1 [pid 6708] <... futex resumed>) = 0 [pid 6719] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] <... futex resumed>) = 1 [pid 6717] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... futex resumed>) = 1 [pid 6715] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6708] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = 1 [pid 6718] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] <... futex resumed>) = 1 [pid 6716] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... futex resumed>) = 1 [pid 6714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6708] <... futex resumed>) = 0 [pid 6719] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6717] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6713] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6716] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... openat resumed>) = 4 [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6719] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6718] <... setsockopt resumed>) = 0 [pid 6717] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6716] <... setsockopt resumed>) = 0 [pid 6715] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6714] write(4, "5", 1 [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6718] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] <... setsockopt resumed>) = 0 [pid 6716] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... sendto resumed>) = 1 [pid 6714] <... write resumed>) = 1 [pid 6719] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] <... futex resumed>) = 1 [pid 6717] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] <... futex resumed>) = 1 [pid 6715] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6719] <... futex resumed>) = 1 [pid 6718] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] <... futex resumed>) = 1 [pid 6716] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... futex resumed>) = 1 [pid 6714] <... setsockopt resumed>) = 0 [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6719] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6717] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6714] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6718] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6717] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6716] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6714] <... futex resumed>) = 1 [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6708] <... futex resumed>) = 0 [pid 6719] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6717] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6715] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6714] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6708] exit_group(0 [pid 6719] <... setsockopt resumed>) = 0 [pid 6718] <... sendto resumed>) = 1 [pid 6717] <... sendto resumed>) = 1 [pid 6716] <... sendto resumed>) = 1 [pid 6715] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6714] <... futex resumed>) = ? [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] <... exit_group resumed>) = ? [pid 6719] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6714] +++ exited with 0 +++ [pid 6713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6708] +++ exited with 0 +++ [pid 6719] <... futex resumed>) = 0 [pid 6718] <... futex resumed>) = 1 [pid 6717] <... futex resumed>) = 0 [pid 6716] <... futex resumed>) = 1 [pid 6715] <... futex resumed>) = 0 [pid 6713] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6708, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6719] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6718] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6716] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = 0 [pid 6709] <... futex resumed>) = 0 [pid 6719] <... sendto resumed>) = 1 [pid 6718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6717] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] <... openat resumed>) = 4 [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6717] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6715] write(4, "5", 1 [pid 6713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6719] <... futex resumed>) = 0 [pid 6718] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6717] <... futex resumed>) = 0 [pid 6716] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6715] <... write resumed>) = 1 [pid 6713] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6718] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6716] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6713] <... futex resumed>) = 0 [pid 6710] <... futex resumed>) = 0 [pid 6719] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6718] <... futex resumed>) = 1 [pid 6717] <... openat resumed>) = 4 [pid 6716] <... futex resumed>) = 1 [pid 6715] <... setsockopt resumed>) = 0 [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6718] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] write(4, "5", 1 [pid 6716] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6712] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6719] <... futex resumed>) = 0 [pid 6718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6717] <... write resumed>) = 1 [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6713] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6718] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6716] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6713] <... futex resumed>) = 0 [pid 6712] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6720 [pid 6718] <... openat resumed>) = 4 [pid 6716] <... openat resumed>) = 4 [pid 6713] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6719] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6718] write(4, "5", 1 [pid 6717] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6716] write(4, "5", 1./strace-static-x86_64: Process 6720 attached [pid 6719] <... openat resumed>) = 4 [pid 6718] <... write resumed>) = 1 [pid 6717] <... setsockopt resumed>) = 0 [pid 6716] <... write resumed>) = 1 [pid 6718] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6716] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6718] <... setsockopt resumed>) = 0 [pid 6716] <... setsockopt resumed>) = 0 [ 237.828692][ T6715] FAULT_INJECTION: forcing a failure. [ 237.828692][ T6715] name fail_futex, interval 1, probability 0, space 0, times 0 [ 237.844067][ T6715] CPU: 0 PID: 6715 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 237.847707][ T6718] FAULT_INJECTION: forcing a failure. [ 237.847707][ T6718] name fail_futex, interval 1, probability 0, space 0, times 0 [ 237.854586][ T6715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6718] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6716] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6709] exit_group(0) = ? [pid 6712] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6711] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6712] exit_group(0 [pid 6711] exit_group(0 [pid 6713] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6712] <... exit_group resumed>) = ? [pid 6711] <... exit_group resumed>) = ? [ 237.854603][ T6715] Call Trace: [ 237.854610][ T6715] [ 237.854619][ T6715] dump_stack_lvl+0xcd/0x134 [ 237.854652][ T6715] should_fail.cold+0x5/0xa [ 237.868167][ T6716] FAULT_INJECTION: forcing a failure. [ 237.868167][ T6716] name fail_futex, interval 1, probability 0, space 0, times 0 [ 237.877602][ T6715] get_futex_key+0x5b2/0x1c50 [ 237.877632][ T6715] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 237.877659][ T6715] ? futex_setup_timer+0xf0/0xf0 [ 237.877692][ T6715] futex_wake+0xe4/0x490 [pid 6719] write(4, "5", 1) = 1 [pid 6719] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 237.925532][ T6715] ? futex_wake_mark+0x1a0/0x1a0 [ 237.930489][ T6715] ? ptrace_stop.part.0+0x5ec/0xa80 [ 237.935711][ T6715] ? do_raw_spin_lock+0x120/0x2a0 [ 237.940750][ T6715] ? rwlock_bug.part.0+0x90/0x90 [ 237.945702][ T6715] ? _raw_spin_lock_irq+0x41/0x50 [ 237.950753][ T6715] do_futex+0x266/0x300 [ 237.954944][ T6715] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 237.960862][ T6715] ? find_held_lock+0x2d/0x110 [ 237.965654][ T6715] __x64_sys_futex+0x1b0/0x4a0 [ 237.970441][ T6715] ? do_futex+0x300/0x300 [pid 6719] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6713] exit_group(0) = ? [ 237.974781][ T6715] ? _raw_spin_unlock_irq+0x1f/0x40 [ 237.976273][ T6719] FAULT_INJECTION: forcing a failure. [ 237.976273][ T6719] name fail_futex, interval 1, probability 0, space 0, times 0 [ 237.979985][ T6715] ? lockdep_hardirqs_on+0x79/0x100 [ 237.980019][ T6715] ? _raw_spin_unlock_irq+0x2a/0x40 [ 237.980046][ T6715] ? ptrace_notify+0xfa/0x140 [ 238.007866][ T6715] do_syscall_64+0x35/0xb0 [ 238.012304][ T6715] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 238.018214][ T6715] RIP: 0033:0x7fc128117db9 [ 238.022643][ T6715] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 238.042366][ T6715] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 238.050795][ T6715] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 238.058779][ T6715] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 238.066765][ T6715] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 238.074757][ T6715] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 238.082741][ T6715] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 238.090739][ T6715] [ 238.093766][ T6718] CPU: 1 PID: 6718 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 238.104287][ T6718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 238.114357][ T6718] Call Trace: [ 238.117643][ T6718] [ 238.120583][ T6718] dump_stack_lvl+0xcd/0x134 [ 238.125193][ T6718] should_fail.cold+0x5/0xa [ 238.129730][ T6718] get_futex_key+0x5b2/0x1c50 [ 238.134423][ T6718] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 238.140414][ T6718] ? futex_setup_timer+0xf0/0xf0 [ 238.145369][ T6718] futex_wake+0xe4/0x490 [ 238.149637][ T6718] ? futex_wake_mark+0x1a0/0x1a0 [ 238.154591][ T6718] ? ptrace_stop.part.0+0x5ec/0xa80 [ 238.159804][ T6718] ? do_raw_spin_lock+0x120/0x2a0 [ 238.164843][ T6718] ? rwlock_bug.part.0+0x90/0x90 [ 238.169801][ T6718] ? _raw_spin_lock_irq+0x41/0x50 [ 238.174840][ T6718] do_futex+0x266/0x300 [ 238.179001][ T6718] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 238.184912][ T6718] ? find_held_lock+0x2d/0x110 [ 238.189700][ T6718] __x64_sys_futex+0x1b0/0x4a0 [ 238.194480][ T6718] ? do_futex+0x300/0x300 [ 238.198830][ T6718] ? _raw_spin_unlock_irq+0x1f/0x40 [ 238.204047][ T6718] ? lockdep_hardirqs_on+0x79/0x100 [ 238.209261][ T6718] ? _raw_spin_unlock_irq+0x2a/0x40 [ 238.214476][ T6718] ? ptrace_notify+0xfa/0x140 [ 238.219193][ T6718] do_syscall_64+0x35/0xb0 [ 238.223636][ T6718] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 238.229563][ T6718] RIP: 0033:0x7fc128117db9 [ 238.234009][ T6718] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 238.253639][ T6718] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 238.262070][ T6718] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 238.270040][ T6718] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 238.278010][ T6718] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 238.285982][ T6718] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 238.293954][ T6718] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 238.301955][ T6718] [ 238.307616][ T6717] FAULT_INJECTION: forcing a failure. [ 238.307616][ T6717] name fail_futex, interval 1, probability 0, space 0, times 0 [ 238.308833][ T6716] CPU: 1 PID: 6716 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 238.330936][ T6716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 238.341005][ T6716] Call Trace: [ 238.344292][ T6716] [ 238.347229][ T6716] dump_stack_lvl+0xcd/0x134 [ 238.351837][ T6716] should_fail.cold+0x5/0xa [ 238.356356][ T6716] get_futex_key+0x5b2/0x1c50 [ 238.361040][ T6716] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 238.367044][ T6716] ? futex_setup_timer+0xf0/0xf0 [ 238.371999][ T6716] futex_wake+0xe4/0x490 [ 238.376255][ T6716] ? futex_wake_mark+0x1a0/0x1a0 [ 238.381218][ T6716] ? ptrace_stop.part.0+0x5ec/0xa80 [ 238.386432][ T6716] ? do_raw_spin_lock+0x120/0x2a0 [ 238.391473][ T6716] ? rwlock_bug.part.0+0x90/0x90 [ 238.396417][ T6716] ? _raw_spin_lock_irq+0x41/0x50 [ 238.401483][ T6716] do_futex+0x266/0x300 [ 238.405664][ T6716] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 238.411566][ T6716] ? find_held_lock+0x2d/0x110 [ 238.416357][ T6716] __x64_sys_futex+0x1b0/0x4a0 [ 238.421133][ T6716] ? do_futex+0x300/0x300 [ 238.425471][ T6716] ? _raw_spin_unlock_irq+0x1f/0x40 [ 238.430704][ T6716] ? lockdep_hardirqs_on+0x79/0x100 [ 238.435915][ T6716] ? _raw_spin_unlock_irq+0x2a/0x40 [ 238.441139][ T6716] ? ptrace_notify+0xfa/0x140 [ 238.445829][ T6716] do_syscall_64+0x35/0xb0 [ 238.450255][ T6716] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 238.456160][ T6716] RIP: 0033:0x7fc128117db9 [ 238.460586][ T6716] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 238.480202][ T6716] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 238.488629][ T6716] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 238.496694][ T6716] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 238.504666][ T6716] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 238.512642][ T6716] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 238.520620][ T6716] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 238.528618][ T6716] [pid 6717] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] set_robust_list(0x5555564f35e0, 24 [pid 6710] exit_group(0) = ? [pid 6718] <... futex resumed>) = ? [pid 6718] +++ exited with 0 +++ [pid 6711] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6711, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6721 ./strace-static-x86_64: Process 6721 attached [pid 6721] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6720] <... set_robust_list resumed>) = 0 [pid 6720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6720] setpgid(0, 0) = 0 [pid 6720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6720] write(3, "1000", 4) = 4 [pid 6721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6720] close(3 [pid 6721] <... prctl resumed>) = 0 [pid 6720] <... close resumed>) = 0 [pid 6721] setpgid(0, 0 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] <... setpgid resumed>) = 0 [pid 6720] <... futex resumed>) = 0 [ 238.531656][ T6719] CPU: 0 PID: 6719 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 238.542192][ T6719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 238.552271][ T6719] Call Trace: [ 238.555566][ T6719] [ 238.558514][ T6719] dump_stack_lvl+0xcd/0x134 [ 238.563139][ T6719] should_fail.cold+0x5/0xa [ 238.567679][ T6719] get_futex_key+0x5b2/0x1c50 [ 238.572383][ T6719] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 238.578394][ T6719] ? futex_setup_timer+0xf0/0xf0 [ 238.583372][ T6719] futex_wake+0xe4/0x490 [ 238.587651][ T6719] ? futex_wake_mark+0x1a0/0x1a0 [ 238.592619][ T6719] ? ptrace_stop.part.0+0x5ec/0xa80 [ 238.597855][ T6719] ? do_raw_spin_lock+0x120/0x2a0 [ 238.602910][ T6719] ? rwlock_bug.part.0+0x90/0x90 [ 238.607870][ T6719] ? _raw_spin_lock_irq+0x41/0x50 [ 238.613019][ T6719] do_futex+0x266/0x300 [ 238.617203][ T6719] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 238.623156][ T6719] ? find_held_lock+0x2d/0x110 [ 238.627966][ T6719] __x64_sys_futex+0x1b0/0x4a0 [ 238.632769][ T6719] ? do_futex+0x300/0x300 [ 238.637128][ T6719] ? _raw_spin_unlock_irq+0x1f/0x40 [ 238.642365][ T6719] ? lockdep_hardirqs_on+0x79/0x100 [ 238.647590][ T6719] ? _raw_spin_unlock_irq+0x2a/0x40 [ 238.652829][ T6719] ? ptrace_notify+0xfa/0x140 [ 238.657535][ T6719] do_syscall_64+0x35/0xb0 [ 238.661982][ T6719] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 238.667908][ T6719] RIP: 0033:0x7fc128117db9 [ 238.670440][ T6723] FAULT_INJECTION: forcing a failure. [ 238.670440][ T6723] name fail_futex, interval 1, probability 0, space 0, times 0 [ 238.672410][ T6719] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 238.672436][ T6719] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 238.713228][ T6719] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 238.721224][ T6719] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6721] <... openat resumed>) = 3 [pid 6720] <... mmap resumed>) = 0x7fc1280a9000 [pid 6721] write(3, "1000", 4 [pid 6720] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6721] <... write resumed>) = 4 [pid 6720] <... mprotect resumed>) = 0 [pid 6721] close(3 [pid 6720] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6716] <... futex resumed>) = ? [pid 6721] <... close resumed>) = 0 [pid 6716] +++ exited with 0 +++ [pid 6712] +++ exited with 0 +++ [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... clone resumed>, parent_tid=[6722], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6722 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6712, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6720] <... futex resumed>) = 0 [pid 6721] <... mmap resumed>) = 0x7fc1280a9000 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6721] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6721] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6721] <... clone resumed>, parent_tid=[6723], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6723 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6724 ./strace-static-x86_64: Process 6722 attached [pid 6721] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] set_robust_list(0x7fc1280c99e0, 24 [pid 6721] <... futex resumed>) = 0 [pid 6722] <... set_robust_list resumed>) = 0 [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6722] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6720] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6723 attached [pid 6722] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6720] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] set_robust_list(0x7fc1280c99e0, 24 [pid 6722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6720] <... futex resumed>) = 0 [pid 6723] <... set_robust_list resumed>) = 0 [pid 6722] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6722] <... setsockopt resumed>) = 0 [pid 6723] <... socket resumed>) = 3 [pid 6722] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 1 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6722] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6722] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6722] <... setsockopt resumed>) = 0 [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... setsockopt resumed>) = 0 [pid 6722] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 1 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6722] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6722] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6722] <... setsockopt resumed>) = 0 [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6722] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 1 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6722] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6722] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6722] <... sendto resumed>) = 1 [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... setsockopt resumed>) = 0 [pid 6722] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 1 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6722] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6722] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6722] <... sendto resumed>) = 1 [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... sendto resumed>) = 1 [pid 6722] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 1 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = 1 [pid 6722] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... futex resumed>) = 0 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6722] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6721] <... futex resumed>) = 0 [pid 6720] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6722] <... openat resumed>) = 4 [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6723] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6722] write(4, "5", 1 [pid 6723] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... write resumed>) = 1 [pid 6723] <... futex resumed>) = 1 [pid 6722] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6721] <... futex resumed>) = 0 [pid 6723] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] <... setsockopt resumed>) = 0 [pid 6721] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6722] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] <... futex resumed>) = 0 [pid 6723] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6722] <... futex resumed>) = 1 [pid 6721] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6720] <... futex resumed>) = 0 [pid 6723] <... openat resumed>) = 4 [pid 6722] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6720] exit_group(0 [pid 6723] write(4, "5", 1 [pid 6722] <... futex resumed>) = ? [pid 6720] <... exit_group resumed>) = ? [pid 6723] <... write resumed>) = 1 [pid 6722] +++ exited with 0 +++ [pid 6720] +++ exited with 0 +++ [pid 6723] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6720, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6723] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6725 ./strace-static-x86_64: Process 6725 attached [pid 6725] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6725] setpgid(0, 0) = 0 [pid 6725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6725] write(3, "1000", 4) = 4 [pid 6725] close(3) = 0 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6725] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6725] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6726], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6726 [pid 6725] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6721] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6721] exit_group(0) = ? ./strace-static-x86_64: Process 6726 attached [pid 6726] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6726] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6726] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6726] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... setsockopt resumed>) = 0 [pid 6726] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6726] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... setsockopt resumed>) = 0 [pid 6726] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6726] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... setsockopt resumed>) = 0 [pid 6726] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6726] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... sendto resumed>) = 1 [pid 6726] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6726] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... sendto resumed>) = 1 [pid 6726] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6726] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [ 238.729209][ T6719] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 238.737199][ T6719] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 238.745209][ T6719] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 238.753220][ T6719] [ 238.759344][ T6717] CPU: 0 PID: 6717 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 238.769972][ T6717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6725] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6726] <... openat resumed>) = 4 [pid 6726] write(4, "5", 1) = 1 [pid 6726] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6726] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6726] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] exit_group(0 [pid 6726] <... futex resumed>) = ? [pid 6725] <... exit_group resumed>) = ? [pid 6726] +++ exited with 0 +++ [pid 6725] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6725, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6727 ./strace-static-x86_64: Process 6727 attached [ 238.780059][ T6717] Call Trace: [ 238.783358][ T6717] [ 238.786345][ T6717] dump_stack_lvl+0xcd/0x134 [ 238.790972][ T6717] should_fail.cold+0x5/0xa [ 238.795515][ T6717] get_futex_key+0x5b2/0x1c50 [ 238.800228][ T6717] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 238.806245][ T6717] ? futex_setup_timer+0xf0/0xf0 [ 238.811389][ T6717] futex_wake+0xe4/0x490 [ 238.815665][ T6717] ? futex_wake_mark+0x1a0/0x1a0 [ 238.820618][ T6717] ? ptrace_stop.part.0+0x5ec/0xa80 [ 238.825840][ T6717] ? do_raw_spin_lock+0x120/0x2a0 [ 238.830895][ T6717] ? rwlock_bug.part.0+0x90/0x90 [ 238.835858][ T6717] ? _raw_spin_lock_irq+0x41/0x50 [ 238.840957][ T6717] do_futex+0x266/0x300 [ 238.845143][ T6717] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 238.851060][ T6717] ? find_held_lock+0x2d/0x110 [ 238.855966][ T6717] __x64_sys_futex+0x1b0/0x4a0 [ 238.860776][ T6717] ? do_futex+0x300/0x300 [ 238.865137][ T6717] ? _raw_spin_unlock_irq+0x1f/0x40 [ 238.870373][ T6717] ? lockdep_hardirqs_on+0x79/0x100 [ 238.875624][ T6717] ? _raw_spin_unlock_irq+0x2a/0x40 [ 238.880854][ T6717] ? ptrace_notify+0xfa/0x140 [ 238.885553][ T6717] do_syscall_64+0x35/0xb0 [ 238.890004][ T6717] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 238.895929][ T6717] RIP: 0033:0x7fc128117db9 [ 238.900361][ T6717] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 238.919989][ T6717] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6727] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6727] setpgid(0, 0) = 0 [pid 6727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6727] write(3, "1000", 4) = 4 [pid 6727] close(3) = 0 [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6727] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6727] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6728], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6728 [pid 6727] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6728 attached [pid 6728] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6728] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6728] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6728] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6727] <... futex resumed>) = 0 [pid 6728] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] <... setsockopt resumed>) = 0 [pid 6728] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6728] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6727] <... futex resumed>) = 0 [pid 6728] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] <... setsockopt resumed>) = 0 [pid 6728] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6728] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6727] <... futex resumed>) = 0 [pid 6728] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] <... setsockopt resumed>) = 0 [pid 6728] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6728] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6727] <... futex resumed>) = 0 [pid 6728] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] <... sendto resumed>) = 1 [pid 6728] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6728] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6727] <... futex resumed>) = 0 [pid 6728] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] <... sendto resumed>) = 1 [pid 6728] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6728] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6727] <... futex resumed>) = 0 [pid 6728] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6727] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6728] <... openat resumed>) = 4 [pid 6728] write(4, "5", 1) = 1 [pid 6728] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6728] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6727] <... futex resumed>) = 0 [pid 6728] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6727] exit_group(0 [pid 6728] <... futex resumed>) = ? [pid 6727] <... exit_group resumed>) = ? [pid 6728] +++ exited with 0 +++ [pid 6727] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6727, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6729 ./strace-static-x86_64: Process 6729 attached [pid 6729] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6729] setpgid(0, 0) = 0 [pid 6729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6729] write(3, "1000", 4) = 4 [pid 6729] close(3) = 0 [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6729] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6729] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6730], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6730 [pid 6729] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6730 attached [pid 6730] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6730] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6730] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6730] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6730] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] <... setsockopt resumed>) = 0 [pid 6730] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6730] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6730] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] <... setsockopt resumed>) = 0 [ 238.928426][ T6717] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 238.936424][ T6717] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 238.944421][ T6717] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 238.952411][ T6717] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 238.960397][ T6717] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 238.968411][ T6717] [ 238.971444][ T6723] CPU: 1 PID: 6723 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 238.981999][ T6723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 238.992057][ T6723] Call Trace: [ 238.995336][ T6723] [ 238.998271][ T6723] dump_stack_lvl+0xcd/0x134 [ 239.002878][ T6723] should_fail.cold+0x5/0xa [ 239.007391][ T6723] get_futex_key+0x5b2/0x1c50 [ 239.012071][ T6723] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 239.018058][ T6723] ? futex_setup_timer+0xf0/0xf0 [ 239.023010][ T6723] futex_wake+0xe4/0x490 [ 239.027259][ T6723] ? futex_wake_mark+0x1a0/0x1a0 [ 239.032201][ T6723] ? ptrace_stop.part.0+0x5ec/0xa80 [ 239.037419][ T6723] ? do_raw_spin_lock+0x120/0x2a0 [ 239.042451][ T6723] ? rwlock_bug.part.0+0x90/0x90 [ 239.047391][ T6723] ? _raw_spin_lock_irq+0x41/0x50 [ 239.052426][ T6723] do_futex+0x266/0x300 [ 239.056585][ T6723] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 239.062479][ T6723] ? find_held_lock+0x2d/0x110 [ 239.067258][ T6723] __x64_sys_futex+0x1b0/0x4a0 [ 239.072029][ T6723] ? do_futex+0x300/0x300 [ 239.076356][ T6723] ? _raw_spin_unlock_irq+0x1f/0x40 [ 239.081671][ T6723] ? lockdep_hardirqs_on+0x79/0x100 [ 239.086890][ T6723] ? _raw_spin_unlock_irq+0x2a/0x40 [ 239.092091][ T6723] ? ptrace_notify+0xfa/0x140 [ 239.096772][ T6723] do_syscall_64+0x35/0xb0 [ 239.101193][ T6723] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 239.107091][ T6723] RIP: 0033:0x7fc128117db9 [ 239.111506][ T6723] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 ./strace-static-x86_64: Process 6724 attached [pid 6730] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6719] <... futex resumed>) = ? [pid 6717] <... futex resumed>) = ? [pid 6715] <... futex resumed>) = ? [pid 6730] <... futex resumed>) = 0 [pid 6729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6724] set_robust_list(0x5555564f35e0, 24 [pid 6723] <... futex resumed>) = ? [pid 6719] +++ exited with 0 +++ [pid 6717] +++ exited with 0 +++ [pid 6713] +++ exited with 0 +++ [pid 6710] +++ exited with 0 +++ [pid 6730] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... set_robust_list resumed>) = 0 [pid 6715] +++ exited with 0 +++ [pid 6709] +++ exited with 0 +++ [pid 6724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6724] setpgid(0, 0) = 0 [pid 6730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6710, si_uid=0, si_status=0, si_utime=0, si_stime=39} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6713, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 6730] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] <... openat resumed>) = 3 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6709, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6730] <... setsockopt resumed>) = 0 [pid 6724] write(3, "1000", 4 [pid 3615] <... restart_syscall resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6730] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... write resumed>) = 4 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6730] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6724] close(3 [pid 6729] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... close resumed>) = 0 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6729] <... futex resumed>) = 0 [pid 6724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6730] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6724] <... mmap resumed>) = 0x7fc1280a9000 [pid 6723] +++ exited with 0 +++ [pid 6721] +++ exited with 0 +++ [pid 6724] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6721, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 6724] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6732], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6732 [pid 6724] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6732 attached [pid 6732] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6732] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6732] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6724] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] <... futex resumed>) = 1 [pid 6732] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6732] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6724] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] <... futex resumed>) = 1 [pid 6732] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 6732] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6724] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] <... futex resumed>) = 1 [pid 6732] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 6732] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 [pid 6724] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] <... futex resumed>) = 1 [pid 6732] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6731 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6734 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6735 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6733 ./strace-static-x86_64: Process 6733 attached [pid 6733] set_robust_list(0x5555564f35e0, 24 [pid 6732] <... sendto resumed>) = 1 [pid 6733] <... set_robust_list resumed>) = 0 [pid 6732] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6735 attached [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6732] <... futex resumed>) = 1 [pid 6724] <... futex resumed>) = 0 [ 239.131131][ T6723] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 239.139574][ T6723] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 239.147556][ T6723] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 239.155529][ T6723] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 239.163506][ T6723] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 239.171593][ T6723] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 239.179598][ T6723] [pid 6735] set_robust_list(0x5555564f35e0, 24 [pid 6733] <... prctl resumed>) = 0 [pid 6732] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6730] <... sendto resumed>) = 1 [pid 6724] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6731 attached [pid 6735] <... set_robust_list resumed>) = 0 [pid 6733] setpgid(0, 0 [pid 6732] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6730] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6734 attached [pid 6735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6733] <... setpgid resumed>) = 0 [pid 6732] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6735] <... prctl resumed>) = 0 [pid 6734] set_robust_list(0x5555564f35e0, 24 [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6732] <... futex resumed>) = 0 [pid 6731] set_robust_list(0x5555564f35e0, 24 [pid 6730] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] setpgid(0, 0 [pid 6734] <... set_robust_list resumed>) = 0 [pid 6733] <... openat resumed>) = 3 [pid 6732] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6731] <... set_robust_list resumed>) = 0 [pid 6730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6724] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... setpgid resumed>) = 0 [pid 6734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6733] write(3, "1000", 4 [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6730] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] <... futex resumed>) = 0 [pid 6735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6734] <... prctl resumed>) = 0 [pid 6733] <... write resumed>) = 4 [pid 6732] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6730] <... sendto resumed>) = 1 [pid 6724] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6735] <... openat resumed>) = 3 [pid 6734] setpgid(0, 0 [pid 6733] close(3 [pid 6732] <... openat resumed>) = 4 [pid 6731] <... prctl resumed>) = 0 [pid 6730] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] write(3, "1000", 4 [pid 6734] <... setpgid resumed>) = 0 [pid 6733] <... close resumed>) = 0 [pid 6732] write(4, "5", 1 [pid 6731] setpgid(0, 0 [pid 6730] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6735] <... write resumed>) = 4 [pid 6734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6733] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] <... write resumed>) = 1 [pid 6731] <... setpgid resumed>) = 0 [pid 6730] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] close(3 [pid 6734] <... openat resumed>) = 3 [pid 6733] <... futex resumed>) = 0 [pid 6732] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6735] <... close resumed>) = 0 [pid 6734] write(3, "1000", 4 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6732] <... setsockopt resumed>) = 0 [pid 6731] <... openat resumed>) = 3 [pid 6730] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6729] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] <... write resumed>) = 4 [pid 6733] <... mmap resumed>) = 0x7fc1280a9000 [pid 6732] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] write(3, "1000", 4 [pid 6730] <... openat resumed>) = 4 [pid 6735] <... futex resumed>) = 0 [pid 6734] close(3 [pid 6733] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6731] <... write resumed>) = 4 [pid 6730] write(4, "5", 1 [pid 6734] <... close resumed>) = 0 [pid 6731] close(3 [pid 6730] <... write resumed>) = 1 [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... close resumed>) = 0 [pid 6730] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6734] <... futex resumed>) = 0 [pid 6731] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6730] <... setsockopt resumed>) = 0 [pid 6734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6731] <... futex resumed>) = 0 [pid 6730] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] <... mmap resumed>) = 0x7fc1280a9000 [pid 6731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6730] <... futex resumed>) = 1 [pid 6729] <... futex resumed>) = 0 [pid 6734] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6731] <... mmap resumed>) = 0x7fc1280a9000 [pid 6730] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6729] exit_group(0 [pid 6734] <... mprotect resumed>) = 0 [pid 6731] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6730] <... futex resumed>) = ? [pid 6729] <... exit_group resumed>) = ? [pid 6734] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6731] <... mprotect resumed>) = 0 [pid 6730] +++ exited with 0 +++ [pid 6729] +++ exited with 0 +++ [pid 6731] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6729, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6734] <... clone resumed>, parent_tid=[6736], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6736 [pid 6734] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... clone resumed>, parent_tid=[6737], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6737 [pid 6734] <... futex resumed>) = 0 [pid 6731] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6733] <... mprotect resumed>) = 0 [pid 6731] <... futex resumed>) = 0 [pid 6735] <... mmap resumed>) = 0x7fc1280a9000 [pid 6733] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6731] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6738 [pid 6735] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6738 attached ) = 0 [pid 6733] <... clone resumed>, parent_tid=[6739], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6739 [pid 6738] set_robust_list(0x5555564f35e0, 24 [pid 6735] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6733] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6736 attached [pid 6738] <... set_robust_list resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6735] <... clone resumed>, parent_tid=[6740], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6740 [pid 6733] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6736] set_robust_list(0x7fc1280c99e0, 24 [pid 6735] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6739 attached [pid 6738] <... prctl resumed>) = 0 [pid 6736] <... set_robust_list resumed>) = 0 [pid 6735] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6740 attached ./strace-static-x86_64: Process 6737 attached [pid 6739] set_robust_list(0x7fc1280c99e0, 24 [pid 6738] setpgid(0, 0 [pid 6736] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] set_robust_list(0x7fc1280c99e0, 24 [pid 6738] <... setpgid resumed>) = 0 [pid 6736] <... socket resumed>) = 3 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6737] set_robust_list(0x7fc1280c99e0, 24 [pid 6740] <... set_robust_list resumed>) = 0 [pid 6739] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6737] <... set_robust_list resumed>) = 0 [pid 6736] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6739] <... socket resumed>) = 3 [pid 6738] <... openat resumed>) = 3 [pid 6737] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6736] <... futex resumed>) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6740] <... socket resumed>) = 3 [pid 6739] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] write(3, "1000", 4 [pid 6737] <... socket resumed>) = 3 [ 239.236223][ T6732] FAULT_INJECTION: forcing a failure. [ 239.236223][ T6732] name fail_futex, interval 1, probability 0, space 0, times 0 [ 239.262101][ T6732] CPU: 0 PID: 6732 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 239.272842][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 239.282930][ T6732] Call Trace: [pid 6736] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = 1 [pid 6738] <... write resumed>) = 4 [pid 6737] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6738] close(3 [pid 6736] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] <... close resumed>) = 0 [pid 6736] <... setsockopt resumed>) = 0 [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] <... futex resumed>) = 0 [pid 6736] <... futex resumed>) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6736] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] <... mmap resumed>) = 0x7fc1280a9000 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... futex resumed>) = 0 [pid 6738] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6736] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] <... mprotect resumed>) = 0 [pid 6736] <... setsockopt resumed>) = 0 [pid 6738] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6736] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6738] <... clone resumed>, parent_tid=[6741], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6741 [pid 6736] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = 0 [pid 6736] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] <... setsockopt resumed>) = 0 [pid 6736] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6736] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... futex resumed>) = 0 [pid 6736] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] <... sendto resumed>) = 1 [pid 6736] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6741 attached ) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6741] set_robust_list(0x7fc1280c99e0, 24 [pid 6736] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... set_robust_list resumed>) = 0 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... futex resumed>) = 0 [pid 6741] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6736] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... socket resumed>) = 3 [pid 6736] <... sendto resumed>) = 1 [pid 6741] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... futex resumed>) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6736] <... futex resumed>) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6741] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = 0 [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... futex resumed>) = 0 [pid 6741] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6734] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... setsockopt resumed>) = 0 [pid 6736] <... openat resumed>) = 4 [pid 6741] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] write(4, "5", 1 [pid 6741] <... futex resumed>) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6736] <... write resumed>) = 1 [pid 6741] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = 0 [pid 6736] <... setsockopt resumed>) = 0 [pid 6741] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6736] <... futex resumed>) = 1 [pid 6734] <... futex resumed>) = 0 [pid 6741] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6734] exit_group(0 [pid 6741] <... futex resumed>) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6736] <... futex resumed>) = ? [pid 6734] <... exit_group resumed>) = ? [pid 6741] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] +++ exited with 0 +++ [pid 6734] +++ exited with 0 +++ [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = 0 [pid 6741] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... setsockopt resumed>) = 0 [pid 6741] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6741] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = 0 [pid 6731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6741] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... sendto resumed>) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6741] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... futex resumed>) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6741] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = 0 [pid 6741] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6741] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6738] <... futex resumed>) = 0 [pid 6741] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6738] <... futex resumed>) = 0 [pid 6741] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6738] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6741] <... openat resumed>) = 4 [pid 6741] write(4, "5", 1) = 1 [pid 6741] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 239.286229][ T6732] [ 239.289189][ T6732] dump_stack_lvl+0xcd/0x134 [ 239.293818][ T6732] should_fail.cold+0x5/0xa [ 239.298358][ T6732] get_futex_key+0x5b2/0x1c50 [ 239.303068][ T6732] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 239.309086][ T6732] ? futex_setup_timer+0xf0/0xf0 [ 239.314066][ T6732] futex_wake+0xe4/0x490 [ 239.318357][ T6732] ? futex_wake_mark+0x1a0/0x1a0 [ 239.318589][ T6741] FAULT_INJECTION: forcing a failure. [ 239.318589][ T6741] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6741] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6734, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6742 ./strace-static-x86_64: Process 6742 attached [pid 6742] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6742] setpgid(0, 0) = 0 [pid 6742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6742] write(3, "1000", 4) = 4 [pid 6742] close(3) = 0 [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6742] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6742] <... mmap resumed>) = 0x7fc1280a9000 [pid 6731] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6742] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6731] <... futex resumed>) = 0 [pid 6742] <... mprotect resumed>) = 0 [pid 6731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6742] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6731] <... mmap resumed>) = 0x7fc128088000 [pid 6731] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6742] <... clone resumed>, parent_tid=[6743], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6743 [pid 6731] <... mprotect resumed>) = 0 [pid 6742] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6742] <... futex resumed>) = 0 [pid 6738] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6738] exit_group(0 [pid 6731] <... clone resumed>, parent_tid=[6744], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6744 [pid 6738] <... exit_group resumed>) = ? [pid 6731] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6743 attached [ 239.323408][ T6732] ? ptrace_stop.part.0+0x5ec/0xa80 [ 239.323439][ T6732] ? do_raw_spin_lock+0x120/0x2a0 [ 239.323466][ T6732] ? rwlock_bug.part.0+0x90/0x90 [ 239.351436][ T6732] ? _raw_spin_lock_irq+0x41/0x50 [ 239.356518][ T6732] do_futex+0x266/0x300 [ 239.360708][ T6732] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 239.366636][ T6732] ? find_held_lock+0x2d/0x110 [ 239.371436][ T6732] __x64_sys_futex+0x1b0/0x4a0 [ 239.376222][ T6732] ? do_futex+0x300/0x300 [ 239.380584][ T6732] ? _raw_spin_unlock_irq+0x1f/0x40 [pid 6743] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6743] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6743] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6743] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 6743] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] <... setsockopt resumed>) = 0 [pid 6743] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6743] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 6743] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] <... setsockopt resumed>) = 0 [pid 6743] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6743] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 6743] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] <... setsockopt resumed>) = 0 [pid 6743] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6743] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 6743] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [ 239.385822][ T6732] ? lockdep_hardirqs_on+0x79/0x100 [ 239.391055][ T6732] ? _raw_spin_unlock_irq+0x2a/0x40 [ 239.396373][ T6732] ? ptrace_notify+0xfa/0x140 [ 239.401079][ T6732] do_syscall_64+0x35/0xb0 [ 239.405522][ T6732] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 239.411442][ T6732] RIP: 0033:0x7fc128117db9 [ 239.415873][ T6732] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] <... sendto resumed>) = 1 [pid 6735] <... futex resumed>) = 0 [pid 6743] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = 0 [pid 6735] <... futex resumed>) = 1 [pid 6743] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 6740] <... setsockopt resumed>) = 0 [pid 6743] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6743] <... sendto resumed>) = 1 [pid 6740] <... futex resumed>) = 1 [pid 6735] <... futex resumed>) = 0 [pid 6731] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6735] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... futex resumed>) = 0 [pid 6743] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] <... futex resumed>) = 0 [pid 6731] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6743] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] <... mmap resumed>) = 0x7fc128067000 [pid 6743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6742] <... futex resumed>) = 0 [pid 6740] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6731] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE [pid 6743] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6742] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] <... mprotect resumed>) = 0 [pid 6743] <... openat resumed>) = 4 [pid 6740] <... futex resumed>) = 1 [pid 6735] <... futex resumed>) = 0 [pid 6731] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6743] write(4, "5", 1 [pid 6740] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6735] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... write resumed>) = 1 [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] <... futex resumed>) = 0 [pid 6731] <... clone resumed>, parent_tid=[6745], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6745 [pid 6743] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6740] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6743] <... setsockopt resumed>) = 0 [pid 6740] <... setsockopt resumed>) = 0 [pid 6731] <... futex resumed>) = 0 [pid 6743] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6745 attached [pid 6743] <... futex resumed>) = 1 [pid 6742] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = 1 [pid 6735] <... futex resumed>) = 0 [pid 6745] set_robust_list(0x7fc1280879e0, 24 [pid 6743] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6742] exit_group(0 [pid 6740] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6735] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... set_robust_list resumed>) = 0 [pid 6743] <... futex resumed>) = ? [pid 6742] <... exit_group resumed>) = ? [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] <... futex resumed>) = 0 [pid 6745] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6743] +++ exited with 0 +++ [pid 6742] +++ exited with 0 +++ [pid 6740] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6740] <... sendto resumed>) = 1 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6742, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6745] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6745] <... futex resumed>) = 1 [pid 6740] <... futex resumed>) = 1 [pid 6735] <... futex resumed>) = 0 [pid 6731] <... futex resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 6745] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6735] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6744 attached [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 239.435514][ T6732] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 239.443963][ T6732] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 239.451971][ T6732] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 239.459973][ T6732] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 239.467970][ T6732] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 239.475965][ T6732] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 239.483984][ T6732] [pid 6739] <... futex resumed>) = 0 [pid 6737] <... futex resumed>) = 0 [pid 6735] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 1 [pid 6732] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6731] <... futex resumed>) = 0 [pid 6724] exit_group(0 [pid 6745] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6744] set_robust_list(0x7fc1280a89e0, 24 [pid 6740] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6739] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6745] <... sendto resumed>) = 1 [pid 6740] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6739] <... setsockopt resumed>) = 0 [pid 6745] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6746 [pid 6745] <... futex resumed>) = 1 [pid 6740] <... futex resumed>) = 1 [pid 6739] <... futex resumed>) = 0 [pid 6735] <... futex resumed>) = 0 [pid 6731] <... futex resumed>) = 0 [pid 6745] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6735] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] <... futex resumed>) = 0 [pid 6731] <... futex resumed>) = 0 [pid 6745] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6740] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6735] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6731] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6746 attached [pid 6745] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6740] <... openat resumed>) = 4 [pid 6746] set_robust_list(0x5555564f35e0, 24 [pid 6745] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] write(4, "5", 1 [pid 6746] <... set_robust_list resumed>) = 0 [pid 6745] <... futex resumed>) = 1 [pid 6740] <... write resumed>) = 1 [pid 6731] <... futex resumed>) = 0 [pid 6724] <... exit_group resumed>) = ? [pid 6746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6745] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6740] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6731] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... prctl resumed>) = 0 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] <... setsockopt resumed>) = 0 [pid 6731] <... futex resumed>) = 0 [pid 6746] setpgid(0, 0 [pid 6745] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6740] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6731] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] <... setpgid resumed>) = 0 [ 239.492079][ T6741] CPU: 0 PID: 6741 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 239.502627][ T6741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 239.512708][ T6741] Call Trace: [ 239.516008][ T6741] [ 239.518956][ T6741] dump_stack_lvl+0xcd/0x134 [ 239.522121][ T6740] FAULT_INJECTION: forcing a failure. [ 239.522121][ T6740] name fail_futex, interval 1, probability 0, space 0, times 0 [ 239.523561][ T6741] should_fail.cold+0x5/0xa [ 239.523597][ T6741] get_futex_key+0x5b2/0x1c50 [ 239.523622][ T6741] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 239.523652][ T6741] ? futex_setup_timer+0xf0/0xf0 [ 239.523684][ T6741] futex_wake+0xe4/0x490 [ 239.523711][ T6741] ? futex_wake_mark+0x1a0/0x1a0 [ 239.565873][ T6741] ? ptrace_stop.part.0+0x5ec/0xa80 [ 239.571107][ T6741] ? do_raw_spin_lock+0x120/0x2a0 [ 239.576157][ T6741] ? rwlock_bug.part.0+0x90/0x90 [ 239.581103][ T6741] ? _raw_spin_lock_irq+0x41/0x50 [ 239.586153][ T6741] do_futex+0x266/0x300 [pid 6745] <... openat resumed>) = 4 [pid 6746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6745] write(4, "5", 1 [pid 6746] <... openat resumed>) = 3 [pid 6745] <... write resumed>) = 1 [pid 6746] write(3, "1000", 4 [pid 6745] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6746] <... write resumed>) = 4 [pid 6745] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6746] close(3 [pid 6745] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] <... close resumed>) = 0 [pid 6745] <... futex resumed>) = 1 [pid 6731] <... futex resumed>) = 0 [ 239.590337][ T6741] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 239.596252][ T6741] ? find_held_lock+0x2d/0x110 [ 239.601052][ T6741] __x64_sys_futex+0x1b0/0x4a0 [ 239.605849][ T6741] ? do_futex+0x300/0x300 [ 239.610208][ T6741] ? _raw_spin_unlock_irq+0x1f/0x40 [ 239.615435][ T6741] ? lockdep_hardirqs_on+0x79/0x100 [ 239.620658][ T6741] ? _raw_spin_unlock_irq+0x2a/0x40 [ 239.625884][ T6741] ? ptrace_notify+0xfa/0x140 [ 239.630592][ T6741] do_syscall_64+0x35/0xb0 [ 239.635036][ T6741] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 239.640957][ T6741] RIP: 0033:0x7fc128117db9 [ 239.645910][ T6741] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 239.665542][ T6741] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 239.673966][ T6741] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 239.681951][ T6741] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] <... futex resumed>) = 0 [pid 6746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6746] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6746] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6747], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6747 [pid 6746] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6747 attached [pid 6747] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6747] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6735] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6747] <... socket resumed>) = 3 [pid 6735] exit_group(0 [pid 6747] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... exit_group resumed>) = ? [pid 6747] <... futex resumed>) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6747] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] <... futex resumed>) = 0 [pid 6747] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... setsockopt resumed>) = 0 [pid 6747] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6737] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6747] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] <... setsockopt resumed>) = 0 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] <... futex resumed>) = 0 [pid 6737] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6737] <... futex resumed>) = 0 [pid 6747] <... setsockopt resumed>) = 0 [pid 6737] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6747] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6747] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] <... futex resumed>) = 0 [pid 6747] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... setsockopt resumed>) = 0 [pid 6747] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6747] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] <... futex resumed>) = 0 [pid 6747] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... sendto resumed>) = 1 [pid 6747] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6747] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] <... futex resumed>) = 0 [pid 6747] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... sendto resumed>) = 1 [pid 6747] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6747] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] <... futex resumed>) = 0 [pid 6747] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6746] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... openat resumed>) = 4 [pid 6747] write(4, "5", 1) = 1 [pid 6747] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6747] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6746] <... futex resumed>) = 0 [pid 6747] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6746] exit_group(0 [pid 6747] <... futex resumed>) = ? [pid 6746] <... exit_group resumed>) = ? [pid 6747] +++ exited with 0 +++ [pid 6746] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6746, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6748 ./strace-static-x86_64: Process 6748 attached [pid 6748] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6748] setpgid(0, 0) = 0 [pid 6748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6748] write(3, "1000", 4) = 4 [pid 6748] close(3) = 0 [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6748] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6748] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6749], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6749 [pid 6748] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6749 attached [pid 6749] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6749] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6749] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] <... futex resumed>) = 0 [pid 6749] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... setsockopt resumed>) = 0 [pid 6749] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] <... futex resumed>) = 0 [pid 6749] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... setsockopt resumed>) = 0 [pid 6749] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] <... futex resumed>) = 0 [pid 6749] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... setsockopt resumed>) = 0 [pid 6749] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] <... futex resumed>) = 0 [pid 6749] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... sendto resumed>) = 1 [pid 6744] <... set_robust_list resumed>) = 0 [pid 6741] <... futex resumed>) = ? [pid 6733] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] <... futex resumed>) = 0 [pid 6749] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... sendto resumed>) = 1 [pid 6749] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [pid 6749] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] <... futex resumed>) = 0 [pid 6749] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6748] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6749] <... openat resumed>) = 4 [pid 6749] write(4, "5", 1) = 1 [pid 6749] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6749] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6748] <... futex resumed>) = 0 [ 239.689941][ T6741] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 239.698032][ T6741] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 239.706023][ T6741] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 239.714027][ T6741] [ 239.721286][ T6740] CPU: 0 PID: 6740 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 239.731921][ T6740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6749] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6748] exit_group(0 [pid 6749] <... futex resumed>) = ? [pid 6748] <... exit_group resumed>) = ? [pid 6749] +++ exited with 0 +++ [pid 6748] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6748, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 239.741997][ T6740] Call Trace: [ 239.745297][ T6740] [ 239.748245][ T6740] dump_stack_lvl+0xcd/0x134 [ 239.752951][ T6740] should_fail.cold+0x5/0xa [ 239.757489][ T6740] get_futex_key+0x5b2/0x1c50 [ 239.762194][ T6740] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 239.768202][ T6740] ? futex_setup_timer+0xf0/0xf0 [ 239.773175][ T6740] futex_wake+0xe4/0x490 [ 239.777448][ T6740] ? futex_wake_mark+0x1a0/0x1a0 [ 239.782413][ T6740] ? ptrace_stop.part.0+0x5ec/0xa80 [ 239.787638][ T6740] ? do_raw_spin_lock+0x120/0x2a0 [ 239.792689][ T6740] ? rwlock_bug.part.0+0x90/0x90 [ 239.797658][ T6740] ? _raw_spin_lock_irq+0x41/0x50 [ 239.802717][ T6740] do_futex+0x266/0x300 [ 239.806910][ T6740] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 239.812834][ T6740] ? find_held_lock+0x2d/0x110 [ 239.817805][ T6740] __x64_sys_futex+0x1b0/0x4a0 [ 239.822612][ T6740] ? do_futex+0x300/0x300 [ 239.826963][ T6740] ? _raw_spin_unlock_irq+0x1f/0x40 [ 239.832193][ T6740] ? lockdep_hardirqs_on+0x79/0x100 [ 239.837418][ T6740] ? _raw_spin_unlock_irq+0x2a/0x40 [ 239.842658][ T6740] ? ptrace_notify+0xfa/0x140 [ 239.847362][ T6740] do_syscall_64+0x35/0xb0 [ 239.851806][ T6740] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 239.857787][ T6740] RIP: 0033:0x7fc128117db9 [ 239.862225][ T6740] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 239.879783][ T6753] FAULT_INJECTION: forcing a failure. [ 239.879783][ T6753] name fail_futex, interval 1, probability 0, space 0, times 0 [ 239.881837][ T6740] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 239.903130][ T6740] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 239.911123][ T6740] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 239.919115][ T6740] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 239.927106][ T6740] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 239.935101][ T6740] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6744] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EINVAL (Invalid argument) [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6750 [pid 6744] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6731] exit_group(0./strace-static-x86_64: Process 6750 attached [pid 6745] <... futex resumed>) = ? [pid 6737] <... futex resumed>) = ? [pid 6731] <... exit_group resumed>) = ? [pid 6750] set_robust_list(0x5555564f35e0, 24 [pid 6745] +++ exited with 0 +++ [pid 6744] +++ exited with 0 +++ [pid 6737] +++ exited with 0 +++ [pid 6731] +++ exited with 0 +++ [pid 6750] <... set_robust_list resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6750] setpgid(0, 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6750] <... setpgid resumed>) = 0 [pid 6750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6751 [pid 6750] <... openat resumed>) = 3 [pid 6750] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6751 attached [pid 6750] close(3 [pid 6751] set_robust_list(0x5555564f35e0, 24 [pid 6750] <... close resumed>) = 0 [pid 6751] <... set_robust_list resumed>) = 0 [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6750] <... futex resumed>) = 0 [pid 6751] <... prctl resumed>) = 0 [pid 6750] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6751] setpgid(0, 0 [pid 6750] <... mmap resumed>) = 0x7fc1280a9000 [pid 6751] <... setpgid resumed>) = 0 [pid 6750] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6750] <... mprotect resumed>) = 0 [pid 6751] <... openat resumed>) = 3 [pid 6750] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6751] write(3, "1000", 4) = 4 [pid 6750] <... clone resumed>, parent_tid=[6752], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6752 [pid 6751] close(3 [pid 6750] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... close resumed>) = 0 [pid 6750] <... futex resumed>) = 0 [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6751] <... futex resumed>) = 0 [pid 6751] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6751] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6751] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6753], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6753 ./strace-static-x86_64: Process 6752 attached [pid 6751] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] set_robust_list(0x7fc1280c99e0, 24 [pid 6751] <... futex resumed>) = 0 [pid 6752] <... set_robust_list resumed>) = 0 [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6752] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 ./strace-static-x86_64: Process 6753 attached [pid 6752] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] set_robust_list(0x7fc1280c99e0, 24 [pid 6752] <... futex resumed>) = 1 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... set_robust_list resumed>) = 0 [pid 6752] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6750] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6750] <... futex resumed>) = 0 [pid 6753] <... socket resumed>) = 3 [pid 6752] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... setsockopt resumed>) = 0 [pid 6753] <... futex resumed>) = 1 [pid 6752] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = 0 [pid 6753] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] <... futex resumed>) = 1 [pid 6751] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6752] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] <... futex resumed>) = 0 [pid 6750] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] <... futex resumed>) = 0 [pid 6753] <... setsockopt resumed>) = 0 [pid 6752] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... setsockopt resumed>) = 0 [pid 6753] <... futex resumed>) = 1 [pid 6752] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = 0 [pid 6753] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] <... futex resumed>) = 1 [pid 6751] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6752] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] <... futex resumed>) = 0 [pid 6750] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] <... futex resumed>) = 0 [pid 6753] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6752] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... setsockopt resumed>) = 0 [pid 6753] <... futex resumed>) = 1 [pid 6752] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = 0 [pid 6753] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] <... futex resumed>) = 1 [pid 6751] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6752] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] <... futex resumed>) = 0 [pid 6750] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] <... futex resumed>) = 0 [pid 6753] <... setsockopt resumed>) = 0 [pid 6752] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... sendto resumed>) = 1 [pid 6753] <... futex resumed>) = 1 [pid 6752] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = 0 [pid 6753] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] <... futex resumed>) = 1 [pid 6751] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6752] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] <... futex resumed>) = 0 [pid 6750] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] <... futex resumed>) = 0 [pid 6753] <... sendto resumed>) = 1 [pid 6752] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... sendto resumed>) = 1 [pid 6753] <... futex resumed>) = 1 [pid 6752] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6751] <... futex resumed>) = 0 [pid 6753] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] <... futex resumed>) = 1 [pid 6751] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6752] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6751] <... futex resumed>) = 0 [pid 6750] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] <... futex resumed>) = 0 [pid 6753] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6752] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6750] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] <... openat resumed>) = 4 [pid 6753] <... futex resumed>) = 1 [pid 6752] write(4, "5", 1 [pid 6751] <... futex resumed>) = 0 [pid 6753] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] <... write resumed>) = 1 [pid 6751] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6752] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6751] <... futex resumed>) = 0 [pid 6753] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6752] <... setsockopt resumed>) = 0 [pid 6751] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] <... openat resumed>) = 4 [pid 6752] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] write(4, "5", 1 [pid 6752] <... futex resumed>) = 1 [pid 6750] <... futex resumed>) = 0 [pid 6753] <... write resumed>) = 1 [pid 6752] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6750] exit_group(0 [pid 6753] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6752] <... futex resumed>) = ? [pid 6750] <... exit_group resumed>) = ? [pid 6753] <... setsockopt resumed>) = 0 [pid 6752] +++ exited with 0 +++ [pid 6750] +++ exited with 0 +++ [pid 6753] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6750, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6754 ./strace-static-x86_64: Process 6754 attached [pid 6754] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6751] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6754] <... prctl resumed>) = 0 [pid 6751] exit_group(0 [pid 6754] setpgid(0, 0 [pid 6751] <... exit_group resumed>) = ? [pid 6754] <... setpgid resumed>) = 0 [pid 6754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6754] write(3, "1000", 4) = 4 [pid 6754] close(3) = 0 [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6754] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6741] +++ exited with 0 +++ [pid 6738] +++ exited with 0 +++ [pid 6754] <... mprotect resumed>) = 0 [pid 6754] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6738, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6740] <... futex resumed>) = ? [pid 6733] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] +++ exited with 0 +++ [pid 6724] +++ exited with 0 +++ [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6754] <... clone resumed>, parent_tid=[6755], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6755 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6724, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6754] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6756 [pid 6754] <... futex resumed>) = 0 [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6755 attached , child_tidptr=0x5555564f35d0) = 6757 [pid 6755] set_robust_list(0x7fc1280c99e0, 24./strace-static-x86_64: Process 6756 attached ) = 0 [pid 6756] set_robust_list(0x5555564f35e0, 24 [pid 6755] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6756] <... set_robust_list resumed>) = 0 [pid 6755] <... socket resumed>) = 3 ./strace-static-x86_64: Process 6757 attached [pid 6756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6755] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] set_robust_list(0x5555564f35e0, 24 [pid 6756] <... prctl resumed>) = 0 [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6757] <... set_robust_list resumed>) = 0 [pid 6756] setpgid(0, 0 [pid 6755] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6756] <... setpgid resumed>) = 0 [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6757] <... prctl resumed>) = 0 [pid 6756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 239.943106][ T6740] [ 239.949929][ T6753] CPU: 0 PID: 6753 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 239.960468][ T6753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 239.970548][ T6753] Call Trace: [ 239.973851][ T6753] [ 239.976800][ T6753] dump_stack_lvl+0xcd/0x134 [ 239.981430][ T6753] should_fail.cold+0x5/0xa [ 239.985971][ T6753] get_futex_key+0x5b2/0x1c50 [ 239.990853][ T6753] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 239.996866][ T6753] ? futex_setup_timer+0xf0/0xf0 [ 240.001845][ T6753] futex_wake+0xe4/0x490 [ 240.006122][ T6753] ? futex_wake_mark+0x1a0/0x1a0 [ 240.011089][ T6753] ? ptrace_stop.part.0+0x5ec/0xa80 [ 240.016316][ T6753] ? do_raw_spin_lock+0x120/0x2a0 [ 240.021370][ T6753] ? rwlock_bug.part.0+0x90/0x90 [ 240.026333][ T6753] ? _raw_spin_lock_irq+0x41/0x50 [ 240.031388][ T6753] do_futex+0x266/0x300 [ 240.035571][ T6753] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 240.041492][ T6753] ? find_held_lock+0x2d/0x110 [ 240.046298][ T6753] __x64_sys_futex+0x1b0/0x4a0 [ 240.051092][ T6753] ? do_futex+0x300/0x300 [ 240.055441][ T6753] ? _raw_spin_unlock_irq+0x1f/0x40 [ 240.060669][ T6753] ? lockdep_hardirqs_on+0x79/0x100 [ 240.065901][ T6753] ? _raw_spin_unlock_irq+0x2a/0x40 [ 240.071131][ T6753] ? ptrace_notify+0xfa/0x140 [ 240.075843][ T6753] do_syscall_64+0x35/0xb0 [ 240.080292][ T6753] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 240.086219][ T6753] RIP: 0033:0x7fc128117db9 [pid 6755] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] setpgid(0, 0 [pid 6756] <... openat resumed>) = 3 [pid 6755] <... setsockopt resumed>) = 0 [pid 6757] <... setpgid resumed>) = 0 [pid 6756] write(3, "1000", 4 [pid 6755] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6756] <... write resumed>) = 4 [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6757] <... openat resumed>) = 3 [pid 6756] close(3 [pid 6755] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] write(3, "1000", 4 [pid 6756] <... close resumed>) = 0 [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6757] <... write resumed>) = 4 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] close(3 [pid 6756] <... futex resumed>) = 0 [pid 6755] <... setsockopt resumed>) = 0 [pid 6757] <... close resumed>) = 0 [pid 6756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6755] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... mmap resumed>) = 0x7fc1280a9000 [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6757] <... futex resumed>) = 0 [pid 6756] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6755] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6756] <... mprotect resumed>) = 0 [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6757] <... mmap resumed>) = 0x7fc1280a9000 [pid 6756] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6755] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6755] <... setsockopt resumed>) = 0 [pid 6757] <... mprotect resumed>) = 0 [pid 6756] <... clone resumed>, parent_tid=[6758], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6758 [pid 6755] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6756] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6756] <... futex resumed>) = 0 [pid 6755] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] <... clone resumed>, parent_tid=[6759], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6759 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6758 attached [pid 6757] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6759 attached [pid 6758] set_robust_list(0x7fc1280c99e0, 24 [pid 6757] <... futex resumed>) = 0 [pid 6755] <... sendto resumed>) = 1 [pid 6759] set_robust_list(0x7fc1280c99e0, 24 [pid 6758] <... set_robust_list resumed>) = 0 [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... set_robust_list resumed>) = 0 [pid 6758] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6759] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6758] <... socket resumed>) = 3 [pid 6755] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... socket resumed>) = 3 [pid 6758] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6759] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = 0 [pid 6755] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] <... futex resumed>) = 1 [pid 6758] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... sendto resumed>) = 1 [pid 6759] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... futex resumed>) = 0 [pid 6755] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6759] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6758] <... setsockopt resumed>) = 0 [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... setsockopt resumed>) = 0 [pid 6758] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6754] <... futex resumed>) = 0 [pid 6759] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = 0 [pid 6755] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6754] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] <... futex resumed>) = 1 [pid 6758] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... openat resumed>) = 4 [pid 6759] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... futex resumed>) = 0 [pid 6755] write(4, "5", 1 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] <... write resumed>) = 1 [pid 6759] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6758] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6759] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6758] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... setsockopt resumed>) = 0 [pid 6759] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = 0 [pid 6755] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = 1 [pid 6758] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6755] <... futex resumed>) = 1 [pid 6754] <... futex resumed>) = 0 [pid 6759] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... futex resumed>) = 0 [pid 6755] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6754] exit_group(0 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] <... futex resumed>) = ? [pid 6754] <... exit_group resumed>) = ? [pid 6759] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6758] <... setsockopt resumed>) = 0 [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6755] +++ exited with 0 +++ [pid 6754] +++ exited with 0 +++ [pid 6759] <... setsockopt resumed>) = 0 [pid 6758] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6759] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = 0 [pid 6740] +++ exited with 0 +++ [pid 6735] +++ exited with 0 +++ [pid 6759] <... futex resumed>) = 1 [pid 6758] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6735, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 6759] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6758] <... sendto resumed>) = 1 [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6760 [pid 6759] <... sendto resumed>) = 1 [pid 6758] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = 0 [pid 6759] <... futex resumed>) = 1 [pid 6758] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6759] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... futex resumed>) = 0 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6761 [pid 6759] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6758] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6758] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] <... futex resumed>) = 1 [pid 6756] <... futex resumed>) = 0 [pid 6759] <... futex resumed>) = 1 [pid 6758] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6761 attached [pid 6759] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... futex resumed>) = 0 [pid 6761] set_robust_list(0x5555564f35e0, 24 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6757] <... futex resumed>) = 0 [pid 6756] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6761] <... set_robust_list resumed>) = 0 [pid 6759] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6758] <... openat resumed>) = 4 [pid 6757] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6759] <... openat resumed>) = 4 [pid 6758] write(4, "5", 1 [pid 6761] <... prctl resumed>) = 0 [pid 6759] write(4, "5", 1 [pid 6758] <... write resumed>) = 1 [pid 6761] setpgid(0, 0 [pid 6759] <... write resumed>) = 1 [pid 6758] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6761] <... setpgid resumed>) = 0 [pid 6759] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6758] <... setsockopt resumed>) = 0 [pid 6761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6759] <... setsockopt resumed>) = 0 [pid 6758] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... openat resumed>) = 3 [ 240.090658][ T6753] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 240.095229][ T6758] FAULT_INJECTION: forcing a failure. [ 240.095229][ T6758] name fail_futex, interval 1, probability 0, space 0, times 0 [ 240.110284][ T6753] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 240.110311][ T6753] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6759] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6760 attached [pid 6761] write(3, "1000", 4 [pid 6757] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6756] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6739] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 1 [pid 6761] <... write resumed>) = 4 [pid 6761] close(3) = 0 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6761] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6761] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6762], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6762 [pid 6761] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6762 attached [ 240.110327][ T6753] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 240.110342][ T6753] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 240.110356][ T6753] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 240.124164][ T6759] FAULT_INJECTION: forcing a failure. [ 240.124164][ T6759] name fail_futex, interval 1, probability 0, space 0, times 0 [ 240.131489][ T6753] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 240.131523][ T6753] [pid 6762] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6762] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6762] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... futex resumed>) = 0 [pid 6762] <... futex resumed>) = 1 [pid 6761] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6761] <... futex resumed>) = 0 [pid 6762] <... setsockopt resumed>) = 0 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6761] <... futex resumed>) = 0 [pid 6762] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6761] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... setsockopt resumed>) = 0 [pid 6761] <... futex resumed>) = 0 [pid 6762] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6762] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6761] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... setsockopt resumed>) = 0 [pid 6761] <... futex resumed>) = 0 [pid 6762] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... futex resumed>) = 0 [pid 6761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6762] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6761] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6761] <... futex resumed>) = 0 [pid 6762] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... sendto resumed>) = 1 [pid 6762] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6761] <... futex resumed>) = 0 [pid 6761] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6762] <... futex resumed>) = 1 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] sendto(3, "\x01", 1, 0, NULL, 0) = 1 [pid 6762] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6761] <... futex resumed>) = 0 [pid 6762] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6761] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... openat resumed>) = 4 [pid 6761] <... futex resumed>) = 0 [ 240.176566][ T6758] CPU: 0 PID: 6758 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 240.197987][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 240.208063][ T6758] Call Trace: [ 240.211412][ T6758] [ 240.214360][ T6758] dump_stack_lvl+0xcd/0x134 [ 240.218983][ T6758] should_fail.cold+0x5/0xa [ 240.223519][ T6758] get_futex_key+0x5b2/0x1c50 [ 240.228311][ T6758] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 240.234326][ T6758] ? futex_setup_timer+0xf0/0xf0 [ 240.239301][ T6758] futex_wake+0xe4/0x490 [ 240.243576][ T6758] ? futex_wake_mark+0x1a0/0x1a0 [ 240.248583][ T6758] ? ptrace_stop.part.0+0x5ec/0xa80 [ 240.253854][ T6758] ? do_raw_spin_lock+0x120/0x2a0 [ 240.258995][ T6758] ? rwlock_bug.part.0+0x90/0x90 [ 240.263966][ T6758] ? _raw_spin_lock_irq+0x41/0x50 [ 240.269027][ T6758] do_futex+0x266/0x300 [ 240.273210][ T6758] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 240.279128][ T6758] ? find_held_lock+0x2d/0x110 [ 240.283941][ T6758] __x64_sys_futex+0x1b0/0x4a0 [ 240.288752][ T6758] ? do_futex+0x300/0x300 [ 240.293110][ T6758] ? _raw_spin_unlock_irq+0x1f/0x40 [ 240.298344][ T6758] ? lockdep_hardirqs_on+0x79/0x100 [ 240.303572][ T6758] ? _raw_spin_unlock_irq+0x2a/0x40 [ 240.308888][ T6758] ? ptrace_notify+0xfa/0x140 [ 240.313609][ T6758] do_syscall_64+0x35/0xb0 [ 240.318052][ T6758] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 240.323978][ T6758] RIP: 0033:0x7fc128117db9 [ 240.328420][ T6758] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 240.348058][ T6758] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 240.356508][ T6758] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 240.364490][ T6758] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 240.372487][ T6758] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 240.380487][ T6758] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 240.388483][ T6758] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 240.396495][ T6758] [ 240.399526][ T6759] CPU: 1 PID: 6759 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 240.410045][ T6759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 240.420115][ T6759] Call Trace: [ 240.423413][ T6759] [ 240.426356][ T6759] dump_stack_lvl+0xcd/0x134 [ 240.430986][ T6759] should_fail.cold+0x5/0xa [ 240.435501][ T6759] get_futex_key+0x5b2/0x1c50 [ 240.440203][ T6759] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 240.446197][ T6759] ? futex_setup_timer+0xf0/0xf0 [ 240.451146][ T6759] futex_wake+0xe4/0x490 [ 240.455406][ T6759] ? futex_wake_mark+0x1a0/0x1a0 [ 240.460347][ T6759] ? ptrace_stop.part.0+0x5ec/0xa80 [ 240.465547][ T6759] ? do_raw_spin_lock+0x120/0x2a0 [ 240.470573][ T6759] ? rwlock_bug.part.0+0x90/0x90 [ 240.475597][ T6759] ? _raw_spin_lock_irq+0x41/0x50 [ 240.480627][ T6759] do_futex+0x266/0x300 [ 240.484789][ T6759] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 240.490682][ T6759] ? find_held_lock+0x2d/0x110 [ 240.495471][ T6759] __x64_sys_futex+0x1b0/0x4a0 [ 240.500240][ T6759] ? do_futex+0x300/0x300 [ 240.504569][ T6759] ? _raw_spin_unlock_irq+0x1f/0x40 [ 240.509783][ T6759] ? lockdep_hardirqs_on+0x79/0x100 [ 240.514989][ T6759] ? _raw_spin_unlock_irq+0x2a/0x40 [ 240.520205][ T6759] ? ptrace_notify+0xfa/0x140 [ 240.524885][ T6759] do_syscall_64+0x35/0xb0 [ 240.529303][ T6759] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 240.535204][ T6759] RIP: 0033:0x7fc128117db9 [ 240.539627][ T6759] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 240.559236][ T6759] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 240.567650][ T6759] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 240.575628][ T6759] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 240.583596][ T6759] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6762] write(4, "5", 1 [pid 6761] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6762] <... write resumed>) = 1 [pid 6762] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6762] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6761] <... futex resumed>) = 0 [pid 6762] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6761] exit_group(0 [pid 6762] <... futex resumed>) = ? [pid 6761] <... exit_group resumed>) = ? [pid 6762] +++ exited with 0 +++ [pid 6761] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6761, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6763 ./strace-static-x86_64: Process 6763 attached [pid 6763] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6763] setpgid(0, 0) = 0 [pid 6763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6763] write(3, "1000", 4) = 4 [pid 6763] close(3) = 0 [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6763] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6763] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6764], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6764 [pid 6763] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6764 attached [pid 6764] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6764] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6764] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6763] <... futex resumed>) = 0 [pid 6763] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... futex resumed>) = 1 [pid 6764] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6764] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6764] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... setsockopt resumed>) = 0 [pid 6764] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6764] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... setsockopt resumed>) = 0 [pid 6764] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6764] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... sendto resumed>) = 1 [pid 6764] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6764] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... sendto resumed>) = 1 [pid 6764] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6763] <... futex resumed>) = 0 [pid 6764] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6763] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6764] <... openat resumed>) = 4 [pid 6764] write(4, "5", 1) = 1 [pid 6764] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6764] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6763] <... futex resumed>) = 0 [pid 6764] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6763] exit_group(0 [pid 6764] <... futex resumed>) = ? [pid 6763] <... exit_group resumed>) = ? [pid 6764] +++ exited with 0 +++ [pid 6763] +++ exited with 0 +++ [pid 6760] set_robust_list(0x5555564f35e0, 24) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6763, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 6760] <... prctl resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 6760] setpgid(0, 0) = 0 [pid 6760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6760] <... openat resumed>) = 3 [pid 6760] write(3, "1000", 4 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6765 [pid 6760] <... write resumed>) = 4 [pid 6760] close(3) = 0 [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6760] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6765 attached ) = 0 [pid 6765] set_robust_list(0x5555564f35e0, 24 [pid 6760] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6765] <... set_robust_list resumed>) = 0 [pid 6765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6760] <... clone resumed>, parent_tid=[6766], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6766 [pid 6765] <... prctl resumed>) = 0 [pid 6760] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] setpgid(0, 0 [pid 6760] <... futex resumed>) = 0 [pid 6765] <... setpgid resumed>) = 0 [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6765] write(3, "1000", 4./strace-static-x86_64: Process 6766 attached ) = 4 [pid 6766] set_robust_list(0x7fc1280c99e0, 24 [pid 6765] close(3 [pid 6766] <... set_robust_list resumed>) = 0 [pid 6765] <... close resumed>) = 0 [pid 6766] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... socket resumed>) = 3 [pid 6765] <... futex resumed>) = 0 [pid 6766] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6766] <... futex resumed>) = 1 [pid 6765] <... mmap resumed>) = 0x7fc1280a9000 [pid 6760] <... futex resumed>) = 0 [pid 6766] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6760] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6765] <... mprotect resumed>) = 0 [pid 6760] <... futex resumed>) = 0 [pid 6766] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6765] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6766] <... setsockopt resumed>) = 0 [pid 6766] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] <... clone resumed>, parent_tid=[6767], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6767 [pid 6766] <... futex resumed>) = 1 [pid 6765] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... futex resumed>) = 0 [pid 6766] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] <... futex resumed>) = 0 [pid 6760] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] <... futex resumed>) = 0 [pid 6766] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6767 attached [pid 6766] <... setsockopt resumed>) = 0 [pid 6767] set_robust_list(0x7fc1280c99e0, 24 [pid 6766] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... set_robust_list resumed>) = 0 [pid 6766] <... futex resumed>) = 1 [pid 6760] <... futex resumed>) = 0 [pid 6767] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6766] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6760] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... socket resumed>) = 3 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6760] <... futex resumed>) = 0 [pid 6767] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] <... futex resumed>) = 1 [pid 6766] <... setsockopt resumed>) = 0 [pid 6765] <... futex resumed>) = 0 [pid 6767] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... futex resumed>) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6760] <... futex resumed>) = 0 [pid 6767] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6766] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... setsockopt resumed>) = 0 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6760] <... futex resumed>) = 0 [pid 6767] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] <... futex resumed>) = 1 [pid 6766] <... sendto resumed>) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6767] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... futex resumed>) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6760] <... futex resumed>) = 0 [pid 6767] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6766] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6760] <... futex resumed>) = 0 [pid 6757] exit_group(0 [pid 6733] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] <... exit_group resumed>) = ? [pid 6767] <... futex resumed>) = 1 [pid 6766] <... sendto resumed>) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6767] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... futex resumed>) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6760] <... futex resumed>) = 0 [pid 6767] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6766] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... setsockopt resumed>) = 0 [pid 6766] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6760] <... futex resumed>) = 0 [pid 6767] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6766] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6760] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6767] <... futex resumed>) = 1 [pid 6766] <... openat resumed>) = 4 [pid 6765] <... futex resumed>) = 0 [pid 6760] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6756] exit_group(0 [pid 6739] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6767] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] write(4, "5", 1 [pid 6765] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] <... futex resumed>) = ? [pid 6758] <... futex resumed>) = ? [pid 6756] <... exit_group resumed>) = ? [pid 6753] <... futex resumed>) = ? [pid 6739] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6733] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6766] <... write resumed>) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6759] +++ exited with 0 +++ [pid 6758] +++ exited with 0 +++ [pid 6757] +++ exited with 0 +++ [pid 6756] +++ exited with 0 +++ [pid 6739] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... futex resumed>) = 0 [pid 6767] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6766] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6753] +++ exited with 0 +++ [pid 6751] +++ exited with 0 +++ [pid 6739] <... futex resumed>) = 0 [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6757, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6756, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 6739] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] <... setsockopt resumed>) = 0 [pid 6766] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6766] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6733] <... mmap resumed>) = 0x7fc128088000 [pid 6733] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6733] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6767] <... sendto resumed>) = 1 ./strace-static-x86_64: Process 6768 attached [pid 6760] exit_group(0 [pid 6767] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... clone resumed>, parent_tid=[6768], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6768 [pid 6767] <... futex resumed>) = 1 [pid 6766] <... futex resumed>) = ? [pid 6765] <... futex resumed>) = 0 [pid 6760] <... exit_group resumed>) = ? [pid 6733] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6751, si_uid=0, si_status=0, si_utime=0, si_stime=21} --- [pid 6768] set_robust_list(0x7fc1280a89e0, 24 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6768] <... set_robust_list resumed>) = 0 [pid 6767] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6766] +++ exited with 0 +++ [pid 6765] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6769 attached [pid 6768] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6765] <... futex resumed>) = 0 [pid 6760] +++ exited with 0 +++ [pid 6733] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6769 [pid 6769] set_robust_list(0x5555564f35e0, 24 [pid 6768] <... setsockopt resumed>) = 0 [pid 6767] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6733] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6769] <... set_robust_list resumed>) = 0 [pid 6768] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6767] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6760, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6768] <... futex resumed>) = 0 [pid 6767] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6770 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6769] <... prctl resumed>) = 0 [pid 6768] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6767] <... futex resumed>) = 1 [pid 6765] <... futex resumed>) = 0 [pid 6739] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = 1 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6771 [pid 3611] <... restart_syscall resumed>) = 0 [pid 6769] setpgid(0, 0 [pid 6767] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6733] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6771 attached [pid 6769] <... setpgid resumed>) = 0 [pid 6767] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6765] <... futex resumed>) = 0 [pid 6771] set_robust_list(0x5555564f35e0, 24 [pid 6769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6767] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6765] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6739] <... sendto resumed>) = 1 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6772 attached ./strace-static-x86_64: Process 6770 attached [pid 6771] <... set_robust_list resumed>) = 0 [pid 6769] <... openat resumed>) = 3 [pid 6767] <... openat resumed>) = 4 [pid 6739] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6769] write(3, "1000", 4 [pid 6767] write(4, "5", 1 [pid 6739] <... futex resumed>) = 1 [pid 6733] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6772 [pid 6771] <... prctl resumed>) = 0 [pid 6767] <... write resumed>) = 1 [pid 6771] setpgid(0, 0 [pid 6767] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6771] <... setpgid resumed>) = 0 [pid 6767] <... setsockopt resumed>) = 0 [pid 6733] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6770] set_robust_list(0x5555564f35e0, 24 [pid 6769] <... write resumed>) = 4 [ 240.591566][ T6759] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 240.599707][ T6759] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 240.607693][ T6759] [pid 6767] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6733] <... futex resumed>) = 0 [pid 6772] set_robust_list(0x5555564f35e0, 24 [pid 6771] <... openat resumed>) = 3 [pid 6770] <... set_robust_list resumed>) = 0 [pid 6769] close(3 [pid 6739] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6733] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] <... set_robust_list resumed>) = 0 [pid 6770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6769] <... close resumed>) = 0 [pid 6739] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6770] <... prctl resumed>) = 0 [pid 6769] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = 0 [pid 6733] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... prctl resumed>) = 0 [pid 6770] setpgid(0, 0 [pid 6769] <... futex resumed>) = 0 [pid 6739] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6733] <... futex resumed>) = 0 [pid 6772] setpgid(0, 0 [pid 6770] <... setpgid resumed>) = 0 [pid 6769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6739] <... openat resumed>) = 4 [pid 6733] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] <... setpgid resumed>) = 0 [pid 6770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6769] <... mmap resumed>) = 0x7fc1280a9000 [pid 6739] write(4, "5", 1 [pid 6772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6770] <... openat resumed>) = 3 [pid 6769] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6739] <... write resumed>) = 1 [pid 6772] <... openat resumed>) = 3 [pid 6770] write(3, "1000", 4 [pid 6769] <... mprotect resumed>) = 0 [pid 6739] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6772] write(3, "1000", 4 [pid 6770] <... write resumed>) = 4 [pid 6769] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6739] <... setsockopt resumed>) = 0 [pid 6772] <... write resumed>) = 4 [ 240.650949][ T6767] FAULT_INJECTION: forcing a failure. [ 240.650949][ T6767] name fail_futex, interval 1, probability 0, space 0, times 0 [ 240.667964][ T6767] CPU: 1 PID: 6767 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 240.678509][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 240.688370][ T6739] FAULT_INJECTION: forcing a failure. [ 240.688370][ T6739] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6770] close(3 [pid 6739] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] close(3 [pid 6770] <... close resumed>) = 0 [pid 6769] <... clone resumed>, parent_tid=[6773], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6773 [pid 6765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6772] <... close resumed>) = 0 [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] exit_group(0 [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 0 [pid 6765] <... exit_group resumed>) = ? [pid 6772] <... futex resumed>) = 0 [pid 6770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6769] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6770] <... mmap resumed>) = 0x7fc1280a9000 [pid 6772] <... mmap resumed>) = 0x7fc1280a9000 [pid 6770] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6772] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6770] <... mprotect resumed>) = 0 [pid 6772] <... mprotect resumed>) = 0 [pid 6770] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6772] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6770] <... clone resumed>, parent_tid=[6774], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6774 [pid 6772] <... clone resumed>, parent_tid=[6775], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6775 [pid 6770] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 [pid 6772] <... futex resumed>) = 0 [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6775 attached [pid 6775] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6775] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP./strace-static-x86_64: Process 6774 attached ) = 3 [pid 6775] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] set_robust_list(0x7fc1280c99e0, 24 [pid 6775] <... futex resumed>) = 1 [pid 6774] <... set_robust_list resumed>) = 0 [pid 6772] <... futex resumed>) = 0 [pid 6775] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6774] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6772] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... setsockopt resumed>) = 0 [pid 6774] <... socket resumed>) = 3 [pid 6772] <... futex resumed>) = 0 [pid 6733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6775] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6733] exit_group(0 [pid 6775] <... futex resumed>) = 0 [pid 6774] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6770] <... futex resumed>) = 0 [pid 6733] <... exit_group resumed>) = ? [ 240.688564][ T6767] Call Trace: [ 240.688574][ T6767] [ 240.707553][ T6767] dump_stack_lvl+0xcd/0x134 [ 240.712266][ T6767] should_fail.cold+0x5/0xa [ 240.716805][ T6767] get_futex_key+0x5b2/0x1c50 [ 240.721504][ T6767] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 240.727524][ T6767] ? futex_setup_timer+0xf0/0xf0 [ 240.732510][ T6767] futex_wake+0xe4/0x490 [ 240.736781][ T6767] ? futex_wake_mark+0x1a0/0x1a0 [ 240.741731][ T6767] ? ptrace_stop.part.0+0x5ec/0xa80 [pid 6775] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6774] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6772] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... setsockopt resumed>) = 0 [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6772] <... futex resumed>) = 0 [pid 6770] <... futex resumed>) = 0 [pid 6775] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] <... futex resumed>) = 0 [pid 6774] <... setsockopt resumed>) = 0 [pid 6772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6775] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [pid 6770] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 0 [pid 6775] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6774] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6770] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6775] <... setsockopt resumed>) = 0 [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6770] <... futex resumed>) = 0 [pid 6769] <... mmap resumed>) = 0x7fc128088000 [ 240.746947][ T6767] ? do_raw_spin_lock+0x120/0x2a0 [ 240.751993][ T6767] ? rwlock_bug.part.0+0x90/0x90 [ 240.756948][ T6767] ? _raw_spin_lock_irq+0x41/0x50 [ 240.762007][ T6767] do_futex+0x266/0x300 [ 240.766188][ T6767] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 240.772110][ T6767] ? find_held_lock+0x2d/0x110 [ 240.776887][ T6767] __x64_sys_futex+0x1b0/0x4a0 [ 240.781653][ T6767] ? do_futex+0x300/0x300 [ 240.785998][ T6767] ? _raw_spin_unlock_irq+0x1f/0x40 [ 240.791205][ T6767] ? lockdep_hardirqs_on+0x79/0x100 [ 240.796424][ T6767] ? _raw_spin_unlock_irq+0x2a/0x40 [ 240.801625][ T6767] ? ptrace_notify+0xfa/0x140 [ 240.806309][ T6767] do_syscall_64+0x35/0xb0 [ 240.810734][ T6767] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 240.816643][ T6767] RIP: 0033:0x7fc128117db9 [ 240.821058][ T6767] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 240.840671][ T6767] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6775] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6775] <... futex resumed>) = 1 [pid 6772] <... futex resumed>) = 0 [pid 6771] write(3, "1000", 4 [pid 6768] <... futex resumed>) = ? [pid 6768] +++ exited with 0 +++ ./strace-static-x86_64: Process 6773 attached [pid 6773] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6773] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6773] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6774] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6769] <... mprotect resumed>) = 0 [pid 6775] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6772] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... futex resumed>) = 0 [pid 6771] <... write resumed>) = 4 [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 240.849091][ T6767] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 240.857061][ T6767] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 240.865029][ T6767] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 240.873180][ T6767] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 240.881170][ T6767] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 240.889174][ T6767] [pid 6769] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 240.903911][ T6739] CPU: 1 PID: 6739 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 240.914470][ T6739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 240.924543][ T6739] Call Trace: [ 240.927838][ T6739] [ 240.930781][ T6739] dump_stack_lvl+0xcd/0x134 [ 240.935399][ T6739] should_fail.cold+0x5/0xa [ 240.939930][ T6739] get_futex_key+0x5b2/0x1c50 [ 240.944625][ T6739] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 240.950627][ T6739] ? futex_setup_timer+0xf0/0xf0 [ 240.955592][ T6739] futex_wake+0xe4/0x490 [ 240.959858][ T6739] ? futex_wake_mark+0x1a0/0x1a0 [ 240.964818][ T6739] ? ptrace_stop.part.0+0x5ec/0xa80 [ 240.970033][ T6739] ? do_raw_spin_lock+0x120/0x2a0 [ 240.975075][ T6739] ? rwlock_bug.part.0+0x90/0x90 [ 240.980028][ T6739] ? _raw_spin_lock_irq+0x41/0x50 [ 240.985078][ T6739] do_futex+0x266/0x300 [ 240.989253][ T6739] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 240.995168][ T6739] ? find_held_lock+0x2d/0x110 [ 240.999964][ T6739] __x64_sys_futex+0x1b0/0x4a0 [ 241.004754][ T6739] ? do_futex+0x300/0x300 [ 241.009098][ T6739] ? _raw_spin_unlock_irq+0x1f/0x40 [ 241.014321][ T6739] ? lockdep_hardirqs_on+0x79/0x100 [ 241.019532][ T6739] ? _raw_spin_unlock_irq+0x2a/0x40 [ 241.024737][ T6739] ? ptrace_notify+0xfa/0x140 [ 241.029424][ T6739] do_syscall_64+0x35/0xb0 [ 241.033844][ T6739] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 241.039747][ T6739] RIP: 0033:0x7fc128117db9 [ 241.044165][ T6739] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 241.063779][ T6739] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 241.072211][ T6739] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 241.080284][ T6739] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 241.088257][ T6739] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 241.096228][ T6739] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6773] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6774] <... futex resumed>) = 1 [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6771] close(3 [pid 6770] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6776 attached [pid 6776] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 6776] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] <... futex resumed>) = ? [pid 6774] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6771] <... close resumed>) = 0 [pid 6770] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... clone resumed>, parent_tid=[6776], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6776 [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 [pid 6769] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6771] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 1 [pid 6776] <... futex resumed>) = 0 [pid 6776] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6776] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6776] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6739] +++ exited with 0 +++ [pid 6733] +++ exited with 0 +++ [pid 6767] <... futex resumed>) = ? [pid 6775] <... sendto resumed>) = 1 [pid 6774] <... setsockopt resumed>) = 0 [pid 6771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6769] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6774] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... mmap resumed>) = 0x7fc1280a9000 [pid 6769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6767] +++ exited with 0 +++ [pid 6765] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6733, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6765, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6774] <... futex resumed>) = 1 [pid 6771] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6769] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6770] <... futex resumed>) = 0 [pid 6774] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6777 [pid 6775] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... futex resumed>) = 0 [pid 6772] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] <... futex resumed>) = 1 [pid 6775] sendto(3, "\x01", 1, 0, NULL, 0) = 1 [pid 6770] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 1 [pid 6770] <... futex resumed>) = 0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6771] <... mprotect resumed>) = 0 [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6773] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6771] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6775] <... futex resumed>) = 1 [pid 6773] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... futex resumed>) = 0 [pid 6775] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] <... futex resumed>) = 1 [pid 6772] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... futex resumed>) = 0 [pid 6775] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6772] <... futex resumed>) = 0 [pid 6769] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6774] <... sendto resumed>) = 1 [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6772] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6775] <... openat resumed>) = 4 [pid 6774] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6771] <... clone resumed>, parent_tid=[6778], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6778 [pid 6769] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6775] write(4, "5", 1 [pid 6774] <... futex resumed>) = 1 [pid 6773] <... setsockopt resumed>) = 0 [pid 6771] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6778 attached [pid 6775] <... write resumed>) = 1 [pid 6774] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... futex resumed>) = 0 [pid 6770] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6779 [pid 6778] set_robust_list(0x7fc1280c99e0, 24 [pid 6775] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... futex resumed>) = 1 [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6770] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 0 [pid 6778] <... set_robust_list resumed>) = 0 [pid 6775] <... setsockopt resumed>) = 0 [pid 6774] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6773] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6775] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6769] <... futex resumed>) = 0 [pid 6778] <... socket resumed>) = 3 [pid 6775] <... futex resumed>) = 1 [pid 6774] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6772] <... futex resumed>) = 0 [pid 6769] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6775] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] <... futex resumed>) = 1 [pid 6773] <... sendto resumed>) = 1 [pid 6772] exit_group(0 [pid 6770] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6779 attached [pid 6778] <... futex resumed>) = 1 [pid 6775] <... futex resumed>) = ? [pid 6774] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... exit_group resumed>) = ? [ 241.104197][ T6739] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 241.112188][ T6739] [pid 6771] <... futex resumed>) = 0 [pid 6770] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6777 attached [pid 6779] set_robust_list(0x5555564f35e0, 24 [pid 6778] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6775] +++ exited with 0 +++ [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... futex resumed>) = 1 [pid 6772] +++ exited with 0 +++ [pid 6771] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 [pid 6769] <... futex resumed>) = 0 [pid 6779] <... set_robust_list resumed>) = 0 [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6774] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6773] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6771] <... futex resumed>) = 0 [pid 6770] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6772, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6778] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6774] <... openat resumed>) = 4 [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... futex resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6778] <... setsockopt resumed>) = 0 [pid 6774] write(4, "5", 1 [pid 6773] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6769] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... restart_syscall resumed>) = 0 [pid 6779] <... prctl resumed>) = 0 [pid 6778] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... write resumed>) = 1 [pid 6773] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6779] setpgid(0, 0 [pid 6778] <... futex resumed>) = 1 [pid 6774] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6773] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... futex resumed>) = 0 [pid 6779] <... setpgid resumed>) = 0 [pid 6778] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] set_robust_list(0x5555564f35e0, 24 [pid 6774] <... setsockopt resumed>) = 0 [pid 6773] <... futex resumed>) = 1 [pid 6771] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] <... futex resumed>) = 0 [pid 6779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6777] <... set_robust_list resumed>) = 0 [pid 6774] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6771] <... futex resumed>) = 0 [pid 6769] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6778] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6769] <... futex resumed>) = 0 [pid 6778] <... setsockopt resumed>) = 0 [pid 6773] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6769] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] <... openat resumed>) = 4 [pid 6778] <... futex resumed>) = 1 [pid 6773] write(4, "5", 1 [pid 6771] <... futex resumed>) = 0 [pid 6778] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6773] <... write resumed>) = 1 [pid 6771] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6771] <... futex resumed>) = 0 [pid 6778] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6773] <... setsockopt resumed>) = 0 [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6778] <... setsockopt resumed>) = 0 [ 241.173995][ T6774] FAULT_INJECTION: forcing a failure. [ 241.173995][ T6774] name fail_futex, interval 1, probability 0, space 0, times 0 [ 241.178254][ T6773] FAULT_INJECTION: forcing a failure. [ 241.178254][ T6773] name fail_futex, interval 1, probability 0, space 0, times 0 [ 241.199876][ T6774] CPU: 1 PID: 6774 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 241.210398][ T6774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 241.220478][ T6774] Call Trace: [ 241.223783][ T6774] [ 241.226727][ T6774] dump_stack_lvl+0xcd/0x134 [ 241.231347][ T6774] should_fail.cold+0x5/0xa [ 241.235872][ T6774] get_futex_key+0x5b2/0x1c50 [ 241.240568][ T6774] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 241.246569][ T6774] ? futex_setup_timer+0xf0/0xf0 [ 241.251537][ T6774] futex_wake+0xe4/0x490 [ 241.255804][ T6774] ? futex_wake_mark+0x1a0/0x1a0 [ 241.260760][ T6774] ? ptrace_stop.part.0+0x5ec/0xa80 [ 241.265981][ T6774] ? do_raw_spin_lock+0x120/0x2a0 [ 241.271026][ T6774] ? rwlock_bug.part.0+0x90/0x90 [ 241.275978][ T6774] ? _raw_spin_lock_irq+0x41/0x50 [ 241.281020][ T6774] do_futex+0x266/0x300 [ 241.285190][ T6774] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 241.291101][ T6774] ? find_held_lock+0x2d/0x110 [ 241.295898][ T6774] __x64_sys_futex+0x1b0/0x4a0 [ 241.300673][ T6774] ? do_futex+0x300/0x300 [ 241.305013][ T6774] ? _raw_spin_unlock_irq+0x1f/0x40 [ 241.310241][ T6774] ? lockdep_hardirqs_on+0x79/0x100 [ 241.315470][ T6774] ? _raw_spin_unlock_irq+0x2a/0x40 [ 241.320703][ T6774] ? ptrace_notify+0xfa/0x140 [ 241.325407][ T6774] do_syscall_64+0x35/0xb0 [ 241.329848][ T6774] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 241.335765][ T6774] RIP: 0033:0x7fc128117db9 [ 241.340190][ T6774] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 241.359811][ T6774] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 241.368241][ T6774] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 241.376243][ T6774] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 241.384225][ T6774] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 241.392209][ T6774] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 241.400188][ T6774] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 241.408186][ T6774] [ 241.412079][ T6773] CPU: 0 PID: 6773 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 241.422617][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 241.432674][ T6773] Call Trace: [ 241.435951][ T6773] [ 241.438883][ T6773] dump_stack_lvl+0xcd/0x134 [ 241.443503][ T6773] should_fail.cold+0x5/0xa [ 241.448030][ T6773] get_futex_key+0x5b2/0x1c50 [ 241.452731][ T6773] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 241.458726][ T6773] ? futex_setup_timer+0xf0/0xf0 [ 241.463676][ T6773] futex_wake+0xe4/0x490 [ 241.467926][ T6773] ? futex_wake_mark+0x1a0/0x1a0 [ 241.472866][ T6773] ? ptrace_stop.part.0+0x5ec/0xa80 [ 241.478080][ T6773] ? do_raw_spin_lock+0x120/0x2a0 [ 241.483196][ T6773] ? rwlock_bug.part.0+0x90/0x90 [ 241.488157][ T6773] ? _raw_spin_lock_irq+0x41/0x50 [ 241.493191][ T6773] do_futex+0x266/0x300 [ 241.497368][ T6773] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 241.503265][ T6773] ? find_held_lock+0x2d/0x110 [ 241.508040][ T6773] __x64_sys_futex+0x1b0/0x4a0 [ 241.512810][ T6773] ? do_futex+0x300/0x300 [ 241.517137][ T6773] ? _raw_spin_unlock_irq+0x1f/0x40 [ 241.522349][ T6773] ? lockdep_hardirqs_on+0x79/0x100 [ 241.527549][ T6773] ? _raw_spin_unlock_irq+0x2a/0x40 [ 241.532751][ T6773] ? ptrace_notify+0xfa/0x140 [ 241.537435][ T6773] do_syscall_64+0x35/0xb0 [ 241.541856][ T6773] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 241.547757][ T6773] RIP: 0033:0x7fc128117db9 [ 241.552185][ T6773] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6773] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... openat resumed>) = 3 [pid 6778] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6771] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6770] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6778] <... futex resumed>) = 0 [pid 6771] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] exit_group(0 [pid 6778] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6776] <... futex resumed>) = ? [pid 6771] <... futex resumed>) = 0 [pid 6769] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6780 attached [pid 6779] write(3, "1000", 4 [pid 6778] <... sendto resumed>) = 1 [pid 6777] <... prctl resumed>) = 0 [pid 6776] +++ exited with 0 +++ [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6770] exit_group(0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6780 [pid 6780] set_robust_list(0x5555564f35e0, 24 [pid 6779] <... write resumed>) = 4 [pid 6778] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] setpgid(0, 0 [pid 6771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] <... set_robust_list resumed>) = 0 [pid 6778] <... futex resumed>) = 0 [pid 6771] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6778] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6771] <... futex resumed>) = 0 [pid 6780] <... prctl resumed>) = 0 [pid 6778] <... sendto resumed>) = 1 [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] setpgid(0, 0 [pid 6778] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] <... setpgid resumed>) = 0 [pid 6778] <... futex resumed>) = 0 [pid 6771] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6778] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6771] <... futex resumed>) = 0 [pid 6770] <... exit_group resumed>) = ? [pid 6780] <... openat resumed>) = 3 [pid 6779] close(3 [pid 6778] <... openat resumed>) = 4 [pid 6777] <... setpgid resumed>) = 0 [pid 6771] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] write(3, "1000", 4 [pid 6779] <... close resumed>) = 0 [pid 6778] write(4, "5", 1 [pid 6780] <... write resumed>) = 4 [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6778] <... write resumed>) = 1 [pid 6777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6780] close(3 [pid 6779] <... futex resumed>) = 0 [pid 6778] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6780] <... close resumed>) = 0 [pid 6779] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6778] <... setsockopt resumed>) = 0 [pid 6777] <... openat resumed>) = 3 [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... mmap resumed>) = 0x7fc1280a9000 [pid 6778] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] write(3, "1000", 4 [pid 6780] <... futex resumed>) = 0 [pid 6779] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6778] <... futex resumed>) = 1 [pid 6777] <... write resumed>) = 4 [pid 6771] <... futex resumed>) = 0 [pid 6780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6779] <... mprotect resumed>) = 0 [pid 6778] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] close(3 [pid 6771] exit_group(0 [pid 6780] <... mmap resumed>) = 0x7fc1280a9000 [pid 6779] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6778] <... futex resumed>) = ? [pid 6777] <... close resumed>) = 0 [pid 6771] <... exit_group resumed>) = ? [pid 6780] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6778] +++ exited with 0 +++ [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] +++ exited with 0 +++ [pid 6780] <... mprotect resumed>) = 0 [pid 6779] <... clone resumed>, parent_tid=[6781], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6781 [pid 6777] <... futex resumed>) = 0 [pid 6780] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6779] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6779] <... futex resumed>) = 0 [pid 6777] <... mmap resumed>) = 0x7fc1280a9000 [pid 6780] <... clone resumed>, parent_tid=[6782], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6782 [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6771, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 6781 attached [pid 6780] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] set_robust_list(0x7fc1280c99e0, 24 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... mprotect resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6781] <... set_robust_list resumed>) = 0 [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6782 attached [pid 6781] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6777] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6782] set_robust_list(0x7fc1280c99e0, 24 [pid 6781] <... socket resumed>) = 3 [pid 6782] <... set_robust_list resumed>) = 0 [pid 6781] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6783 [pid 6777] <... clone resumed>, parent_tid=[6784], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6784 [pid 6777] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6782] <... socket resumed>) = 3 [pid 6781] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6784 attached [ 241.571812][ T6773] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 241.580242][ T6773] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 241.588259][ T6773] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 241.596273][ T6773] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 241.604269][ T6773] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 241.612255][ T6773] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 241.620259][ T6773] [pid 6782] <... futex resumed>) = 1 [pid 6781] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6780] <... futex resumed>) = 0 [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] set_robust_list(0x7fc1280c99e0, 24 [pid 6782] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... setsockopt resumed>) = 0 [pid 6780] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... set_robust_list resumed>) = 0 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = 0 [pid 6784] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6782] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6781] <... futex resumed>) = 1 [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6783 attached [pid 6784] <... socket resumed>) = 3 [pid 6782] <... setsockopt resumed>) = 0 [pid 6781] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6779] <... futex resumed>) = 0 [pid 6784] <... futex resumed>) = 1 [pid 6783] set_robust_list(0x5555564f35e0, 24 [pid 6782] <... futex resumed>) = 1 [pid 6781] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6780] <... futex resumed>) = 0 [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] <... futex resumed>) = 0 [pid 6784] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] <... set_robust_list resumed>) = 0 [pid 6782] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... setsockopt resumed>) = 0 [pid 6780] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6784] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6782] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6781] <... futex resumed>) = 1 [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... futex resumed>) = 0 [pid 6783] <... prctl resumed>) = 0 [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] <... setsockopt resumed>) = 0 [pid 6783] setpgid(0, 0 [pid 6782] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6781] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6779] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... futex resumed>) = ? [pid 6773] <... futex resumed>) = ? [pid 6783] <... setpgid resumed>) = 0 [pid 6779] <... futex resumed>) = 0 [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6782] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... setsockopt resumed>) = 0 [pid 6774] +++ exited with 0 +++ [pid 6770] +++ exited with 0 +++ [pid 6784] <... futex resumed>) = 1 [pid 6783] <... openat resumed>) = 3 [pid 6782] <... futex resumed>) = 1 [pid 6781] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6770, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6784] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] write(3, "1000", 4 [pid 6782] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... futex resumed>) = 1 [pid 6780] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... write resumed>) = 4 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6780] <... futex resumed>) = 0 [pid 6779] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... futex resumed>) = 0 [pid 6784] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6783] close(3 [pid 6782] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6784] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6783] <... close resumed>) = 0 [pid 6782] <... setsockopt resumed>) = 0 [pid 6781] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6785 attached [pid 6784] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... sendto resumed>) = 1 [pid 6773] +++ exited with 0 +++ [pid 6769] +++ exited with 0 +++ [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6785 [pid 6785] set_robust_list(0x5555564f35e0, 24 [pid 6784] <... futex resumed>) = 1 [pid 6783] <... futex resumed>) = 0 [pid 6782] <... futex resumed>) = 1 [pid 6781] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6785] <... set_robust_list resumed>) = 0 [pid 6784] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6782] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... futex resumed>) = 1 [pid 6780] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... mmap resumed>) = 0x7fc1280a9000 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6780] <... futex resumed>) = 0 [pid 6779] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6769, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 6785] <... prctl resumed>) = 0 [pid 6784] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6783] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6782] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6785] setpgid(0, 0 [pid 6784] <... setsockopt resumed>) = 0 [pid 6783] <... mprotect resumed>) = 0 [pid 6782] <... sendto resumed>) = 1 [pid 6781] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6785] <... setpgid resumed>) = 0 [pid 6784] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6782] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... sendto resumed>) = 1 [pid 6785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6784] <... futex resumed>) = 1 [pid 6782] <... futex resumed>) = 1 [pid 6781] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6786 [pid 6785] <... openat resumed>) = 3 [pid 6784] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] <... clone resumed>, parent_tid=[6787], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6787 [pid 6782] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... futex resumed>) = 1 [pid 6780] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6787 attached ./strace-static-x86_64: Process 6786 attached [pid 6785] write(3, "1000", 4 [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6780] <... futex resumed>) = 0 [pid 6779] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... futex resumed>) = 0 [pid 6787] set_robust_list(0x7fc1280c99e0, 24 [pid 6786] set_robust_list(0x5555564f35e0, 24 [pid 6785] <... write resumed>) = 4 [pid 6784] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6783] <... futex resumed>) = 0 [pid 6782] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6779] <... futex resumed>) = 0 [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6787] <... set_robust_list resumed>) = 0 [pid 6786] <... set_robust_list resumed>) = 0 [pid 6785] close(3 [pid 6784] <... sendto resumed>) = 1 [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6781] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6779] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6787] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6785] <... close resumed>) = 0 [pid 6784] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6781] <... openat resumed>) = 4 [pid 6787] <... socket resumed>) = 3 [pid 6786] <... prctl resumed>) = 0 [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = 1 [pid 6782] <... futex resumed>) = 1 [pid 6781] write(4, "5", 1 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6787] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] setpgid(0, 0 [pid 6785] <... futex resumed>) = 0 [pid 6784] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6781] <... write resumed>) = 1 [pid 6780] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... futex resumed>) = 1 [pid 6786] <... setpgid resumed>) = 0 [pid 6785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = 0 [pid 6782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6781] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6780] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6787] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6785] <... mmap resumed>) = 0x7fc1280a9000 [pid 6784] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6783] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6781] <... setsockopt resumed>) = 0 [pid 6780] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6786] <... openat resumed>) = 3 [pid 6785] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6784] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6783] <... futex resumed>) = 0 [pid 6782] <... openat resumed>) = 4 [pid 6781] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6786] write(3, "1000", 4 [pid 6785] <... mprotect resumed>) = 0 [pid 6784] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6782] write(4, "5", 1 [pid 6781] <... futex resumed>) = 1 [pid 6779] <... futex resumed>) = 0 [pid 6787] <... setsockopt resumed>) = 0 [pid 6786] <... write resumed>) = 4 [pid 6785] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6784] <... futex resumed>) = 1 [pid 6782] <... write resumed>) = 1 [pid 6781] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6779] exit_group(0 [pid 6777] <... futex resumed>) = 0 [pid 6787] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] close(3 [pid 6784] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6782] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6781] <... futex resumed>) = ? [pid 6779] <... exit_group resumed>) = ? [pid 6777] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... futex resumed>) = 1 [pid 6786] <... close resumed>) = 0 [pid 6785] <... clone resumed>, parent_tid=[6788], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6788 [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = 0 [pid 6782] <... setsockopt resumed>) = 0 [pid 6781] +++ exited with 0 +++ [pid 6779] +++ exited with 0 +++ [pid 6777] <... futex resumed>) = 0 [pid 6787] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6783] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6786] <... futex resumed>) = 0 [pid 6785] <... futex resumed>) = 0 [pid 6784] <... openat resumed>) = 4 [pid 6783] <... futex resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6788 attached [pid 6787] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] write(4, "5", 1 [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... restart_syscall resumed>) = 0 [pid 6788] set_robust_list(0x7fc1280c99e0, 24 [pid 6787] <... setsockopt resumed>) = 0 [pid 6786] <... mmap resumed>) = 0x7fc1280a9000 [pid 6784] <... write resumed>) = 1 [pid 6788] <... set_robust_list resumed>) = 0 [pid 6787] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6784] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6788] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6787] <... futex resumed>) = 1 [pid 6786] <... mprotect resumed>) = 0 [pid 6784] <... setsockopt resumed>) = 0 [pid 6783] <... futex resumed>) = 0 [pid 6788] <... socket resumed>) = 3 [ 241.744764][ T6782] FAULT_INJECTION: forcing a failure. [ 241.744764][ T6782] name fail_futex, interval 1, probability 0, space 0, times 0 [ 241.767126][ T6784] FAULT_INJECTION: forcing a failure. [ 241.767126][ T6784] name fail_futex, interval 1, probability 0, space 0, times 0 [ 241.774348][ T6782] CPU: 0 PID: 6782 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 241.790474][ T6782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 241.800616][ T6782] Call Trace: [ 241.803896][ T6782] [ 241.806826][ T6782] dump_stack_lvl+0xcd/0x134 [ 241.811428][ T6782] should_fail.cold+0x5/0xa [ 241.815938][ T6782] get_futex_key+0x5b2/0x1c50 [ 241.820623][ T6782] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 241.826608][ T6782] ? futex_setup_timer+0xf0/0xf0 [ 241.831556][ T6782] futex_wake+0xe4/0x490 [ 241.835803][ T6782] ? futex_wake_mark+0x1a0/0x1a0 [ 241.840742][ T6782] ? ptrace_stop.part.0+0x5ec/0xa80 [ 241.845945][ T6782] ? do_raw_spin_lock+0x120/0x2a0 [ 241.850970][ T6782] ? rwlock_bug.part.0+0x90/0x90 [ 241.855910][ T6782] ? _raw_spin_lock_irq+0x41/0x50 [ 241.860941][ T6782] do_futex+0x266/0x300 [ 241.865101][ T6782] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 241.871001][ T6782] ? find_held_lock+0x2d/0x110 [ 241.875777][ T6782] __x64_sys_futex+0x1b0/0x4a0 [ 241.880550][ T6782] ? do_futex+0x300/0x300 [ 241.884881][ T6782] ? _raw_spin_unlock_irq+0x1f/0x40 [ 241.890082][ T6782] ? lockdep_hardirqs_on+0x79/0x100 [ 241.895321][ T6782] ? _raw_spin_unlock_irq+0x2a/0x40 [ 241.900525][ T6782] ? ptrace_notify+0xfa/0x140 [ 241.905210][ T6782] do_syscall_64+0x35/0xb0 [ 241.909633][ T6782] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 241.915535][ T6782] RIP: 0033:0x7fc128117db9 [ 241.919952][ T6782] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6787] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 241.939649][ T6782] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 241.948063][ T6782] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 241.956036][ T6782] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 241.964005][ T6782] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 241.971976][ T6782] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 241.979946][ T6782] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 241.987929][ T6782] [pid 6784] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6789 attached [pid 6788] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6785] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6783] <... futex resumed>) = 0 [pid 6782] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6780] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6787] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6786] <... clone resumed>, parent_tid=[6789], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6789 [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6777] exit_group(0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6790 [pid 6787] <... setsockopt resumed>) = 0 [pid 6786] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] <... exit_group resumed>) = ? [pid 6787] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... futex resumed>) = 0 [pid 6787] <... futex resumed>) = 1 [pid 6786] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... futex resumed>) = 0 [pid 6787] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6790 attached [pid 6787] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] set_robust_list(0x5555564f35e0, 24 [pid 6787] <... sendto resumed>) = 1 [pid 6790] <... set_robust_list resumed>) = 0 [pid 6787] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6787] <... futex resumed>) = 1 [pid 6783] <... futex resumed>) = 0 [pid 6790] <... prctl resumed>) = 0 [pid 6787] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] setpgid(0, 0 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = 0 [pid 6790] <... setpgid resumed>) = 0 [pid 6787] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6787] <... sendto resumed>) = 1 [pid 6790] <... openat resumed>) = 3 [pid 6787] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] write(3, "1000", 4 [pid 6787] <... futex resumed>) = 1 [pid 6783] <... futex resumed>) = 0 [pid 6790] <... write resumed>) = 4 [pid 6787] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] close(3 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = 0 [pid 6790] <... close resumed>) = 0 [pid 6787] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6783] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... openat resumed>) = 4 [pid 6790] <... futex resumed>) = 0 [pid 6787] write(4, "5", 1 [pid 6790] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6787] <... write resumed>) = 1 [pid 6790] <... mmap resumed>) = 0x7fc1280a9000 [pid 6787] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6790] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6787] <... setsockopt resumed>) = 0 [pid 6790] <... mprotect resumed>) = 0 [pid 6787] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6787] <... futex resumed>) = 1 [pid 6783] <... futex resumed>) = 0 [pid 6787] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6783] exit_group(0 [pid 6790] <... clone resumed>, parent_tid=[6791], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6791 [pid 6787] <... futex resumed>) = ? [pid 6783] <... exit_group resumed>) = ? [pid 6790] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] +++ exited with 0 +++ [pid 6783] +++ exited with 0 +++ [pid 6790] <... futex resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] <... futex resumed>) = 0 [pid 6785] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] exit_group(0 [ 241.992594][ T6784] CPU: 1 PID: 6784 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 242.003175][ T6784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 242.013261][ T6784] Call Trace: [ 242.016554][ T6784] [ 242.019500][ T6784] dump_stack_lvl+0xcd/0x134 [ 242.024120][ T6784] should_fail.cold+0x5/0xa [ 242.028655][ T6784] get_futex_key+0x5b2/0x1c50 [ 242.033365][ T6784] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 242.039378][ T6784] ? futex_setup_timer+0xf0/0xf0 [pid 6788] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6785] <... futex resumed>) = 0 [pid 6780] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6791 attached [pid 6788] <... setsockopt resumed>) = 0 [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6791] set_robust_list(0x7fc1280c99e0, 24 [pid 6788] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... set_robust_list resumed>) = 0 [pid 6788] <... futex resumed>) = 0 [pid 6786] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6792 [pid 6791] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6788] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6786] <... futex resumed>) = 0 [pid 6785] <... futex resumed>) = 0 [pid 6791] <... socket resumed>) = 3 [pid 6788] <... setsockopt resumed>) = 0 [pid 6786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] <... mmap resumed>) = 0x7fc128088000 [pid 6785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... futex resumed>) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6788] <... futex resumed>) = 0 [pid 6786] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6785] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6786] <... mprotect resumed>) = 0 [pid 6785] <... futex resumed>) = 0 [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6788] <... setsockopt resumed>) = 0 [pid 6786] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6791] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... setsockopt resumed>) = 0 [pid 6788] <... futex resumed>) = 0 [pid 6786] <... clone resumed>, parent_tid=[6793], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6793 [pid 6785] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6786] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6793 attached [pid 6791] <... futex resumed>) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6788] <... sendto resumed>) = 1 [pid 6786] <... futex resumed>) = 0 [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] set_robust_list(0x7fc1280a89e0, 24 [pid 6791] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 242.044359][ T6784] futex_wake+0xe4/0x490 [ 242.048633][ T6784] ? futex_wake_mark+0x1a0/0x1a0 [ 242.053598][ T6784] ? ptrace_stop.part.0+0x5ec/0xa80 [ 242.058835][ T6784] ? do_raw_spin_lock+0x120/0x2a0 [ 242.063888][ T6784] ? rwlock_bug.part.0+0x90/0x90 [ 242.068852][ T6784] ? _raw_spin_lock_irq+0x41/0x50 [ 242.073914][ T6784] do_futex+0x266/0x300 [ 242.078106][ T6784] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 242.084020][ T6784] ? find_held_lock+0x2d/0x110 [ 242.088820][ T6784] __x64_sys_futex+0x1b0/0x4a0 [pid 6790] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6793] <... set_robust_list resumed>) = 0 [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6788] <... futex resumed>) = 0 [pid 6785] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6791] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6785] <... futex resumed>) = 0 [pid 6793] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6788] <... sendto resumed>) = 1 [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6788] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 6785] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6786] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6788] <... openat resumed>) = 4 [pid 6786] <... futex resumed>) = 0 [pid 6785] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6791] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] write(4, "5", 1 [pid 6786] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] <... setsockopt resumed>) = 0 [pid 6788] <... write resumed>) = 1 [pid 6793] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6788] <... setsockopt resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 6793] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6788] <... futex resumed>) = 1 [pid 6786] <... futex resumed>) = 0 [pid 6785] <... futex resumed>) = 0 [pid 6793] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6791] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6788] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6786] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6785] exit_group(0 [pid 6793] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] <... sendto resumed>) = 1 [pid 6788] <... futex resumed>) = ? [pid 6785] <... exit_group resumed>) = ? [pid 6793] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6788] +++ exited with 0 +++ [pid 6785] +++ exited with 0 +++ [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [ 242.093624][ T6784] ? do_futex+0x300/0x300 [ 242.097978][ T6784] ? _raw_spin_unlock_irq+0x1f/0x40 [ 242.103215][ T6784] ? lockdep_hardirqs_on+0x79/0x100 [ 242.108449][ T6784] ? _raw_spin_unlock_irq+0x2a/0x40 [ 242.113684][ T6784] ? ptrace_notify+0xfa/0x140 [ 242.118402][ T6784] do_syscall_64+0x35/0xb0 [ 242.122842][ T6784] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 242.128766][ T6784] RIP: 0033:0x7fc128117db9 [pid 6793] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6785, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 6793] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6791] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] <... restart_syscall resumed>) = 0 [pid 6793] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6793] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... futex resumed>) = 1 [pid 6790] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6793] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6790] <... futex resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6794 [pid 6793] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6791] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6790] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6794 attached [pid 6793] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6791] write(4, "5", 1 [pid 6794] set_robust_list(0x5555564f35e0, 24 [pid 6793] <... futex resumed>) = 1 [pid 6791] <... write resumed>) = 1 [pid 6786] <... futex resumed>) = 0 [pid 6794] <... set_robust_list resumed>) = 0 [pid 6793] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6791] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6786] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6791] <... setsockopt resumed>) = 0 [pid 6786] <... futex resumed>) = 0 [pid 6794] <... prctl resumed>) = 0 [ 242.133208][ T6784] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 242.152851][ T6784] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 242.161309][ T6784] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 242.169312][ T6784] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 242.177321][ T6784] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 242.185327][ T6784] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6793] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6791] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6794] setpgid(0, 0 [pid 6793] <... openat resumed>) = 3 [pid 6794] <... setpgid resumed>) = 0 [pid 6793] write(3, "5", 1 [pid 6794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6793] <... write resumed>) = 1 [pid 6794] <... openat resumed>) = 3 [pid 6793] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6794] write(3, "1000", 4 [pid 6793] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... write resumed>) = 4 [pid 6793] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] close(3 [pid 6793] <... futex resumed>) = 1 [pid 6786] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6792 attached [pid 6794] <... close resumed>) = 0 [pid 6793] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6790] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6789] set_robust_list(0x7fc1280c99e0, 24 [pid 6784] <... futex resumed>) = ? [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6790] exit_group(0 [pid 6794] <... futex resumed>) = 0 [pid 6790] <... exit_group resumed>) = ? [pid 6794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6794] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6794] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6795], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6795 [pid 6794] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6795 attached [ 242.190935][ T6791] FAULT_INJECTION: forcing a failure. [ 242.190935][ T6791] name fail_futex, interval 1, probability 0, space 0, times 0 [ 242.193301][ T6784] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 242.214063][ T6784] [ 242.217849][ T6791] CPU: 1 PID: 6791 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 242.228386][ T6791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 242.238468][ T6791] Call Trace: [ 242.241759][ T6791] [pid 6795] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6795] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6795] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6795] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... setsockopt resumed>) = 0 [pid 6795] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6795] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... setsockopt resumed>) = 0 [pid 6795] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6795] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... setsockopt resumed>) = 0 [pid 6795] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6795] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... sendto resumed>) = 1 [ 242.244704][ T6791] dump_stack_lvl+0xcd/0x134 [ 242.249354][ T6791] should_fail.cold+0x5/0xa [ 242.253889][ T6791] get_futex_key+0x5b2/0x1c50 [ 242.258604][ T6791] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 242.264619][ T6791] ? futex_setup_timer+0xf0/0xf0 [ 242.269598][ T6791] futex_wake+0xe4/0x490 [ 242.273873][ T6791] ? futex_wake_mark+0x1a0/0x1a0 [ 242.278837][ T6791] ? ptrace_stop.part.0+0x5ec/0xa80 [ 242.284057][ T6791] ? do_raw_spin_lock+0x120/0x2a0 [ 242.289105][ T6791] ? rwlock_bug.part.0+0x90/0x90 [pid 6795] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6795] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... sendto resumed>) = 1 [pid 6795] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6795] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] <... futex resumed>) = 0 [pid 6795] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6794] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6795] <... openat resumed>) = 4 [pid 6795] write(4, "5", 1) = 1 [pid 6795] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6795] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6794] <... futex resumed>) = 0 [pid 6795] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] exit_group(0 [pid 6795] <... futex resumed>) = ? [pid 6794] <... exit_group resumed>) = ? [pid 6795] +++ exited with 0 +++ [pid 6794] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6794, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3615] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6796 ./strace-static-x86_64: Process 6796 attached [ 242.294070][ T6791] ? _raw_spin_lock_irq+0x41/0x50 [ 242.299132][ T6791] do_futex+0x266/0x300 [ 242.303407][ T6791] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 242.309329][ T6791] ? find_held_lock+0x2d/0x110 [ 242.314139][ T6791] __x64_sys_futex+0x1b0/0x4a0 [ 242.318937][ T6791] ? do_futex+0x300/0x300 [ 242.323291][ T6791] ? _raw_spin_unlock_irq+0x1f/0x40 [ 242.328555][ T6791] ? lockdep_hardirqs_on+0x79/0x100 [ 242.333794][ T6791] ? _raw_spin_unlock_irq+0x2a/0x40 [ 242.339026][ T6791] ? ptrace_notify+0xfa/0x140 [pid 6796] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6796] setpgid(0, 0) = 0 [pid 6796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6796] write(3, "1000", 4) = 4 [pid 6796] close(3) = 0 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6796] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6796] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6797], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6797 [pid 6796] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6797 attached [pid 6797] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6797] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6797] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6797] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 0 [pid 6797] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6797] <... setsockopt resumed>) = 0 [pid 6797] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6797] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 242.343743][ T6791] do_syscall_64+0x35/0xb0 [ 242.348192][ T6791] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 242.354122][ T6791] RIP: 0033:0x7fc128117db9 [ 242.358566][ T6791] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 242.378302][ T6791] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 242.386756][ T6791] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6796] <... futex resumed>) = 0 [pid 6797] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6797] <... setsockopt resumed>) = 0 [pid 6797] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6797] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 0 [pid 6797] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6797] <... setsockopt resumed>) = 0 [pid 6797] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6797] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] <... futex resumed>) = 0 [pid 6797] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6797] <... sendto resumed>) = 1 [pid 6797] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6797] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6797] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6792] set_robust_list(0x5555564f35e0, 24 [pid 6791] <... futex resumed>) = ? [pid 6789] <... set_robust_list resumed>) = 0 [pid 6784] +++ exited with 0 +++ [pid 6796] <... futex resumed>) = 0 [pid 6782] +++ exited with 0 +++ [pid 6780] +++ exited with 0 +++ [pid 6777] +++ exited with 0 +++ [pid 6797] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] <... set_robust_list resumed>) = 0 [pid 6791] +++ exited with 0 +++ [pid 6790] +++ exited with 0 +++ [pid 6789] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6797] <... sendto resumed>) = 1 [pid 6792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6789] <... socket resumed>) = 4 [pid 6792] <... prctl resumed>) = 0 [pid 6789] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6786] exit_group(0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6780, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6777, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6790, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6797] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] setpgid(0, 0 [pid 6789] <... futex resumed>) = ? [pid 6786] <... exit_group resumed>) = ? [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6797] <... futex resumed>) = 1 [pid 6796] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = ? [pid 6792] <... setpgid resumed>) = 0 [pid 6789] +++ exited with 0 +++ [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6796] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] <... openat resumed>) = 3 [pid 6792] write(3, "1000", 4) = 4 [pid 6792] close(3) = 0 [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6793] +++ exited with 0 +++ [pid 6792] <... mmap resumed>) = 0x7fc1280a9000 [pid 6786] +++ exited with 0 +++ [pid 6792] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6792] clone(child_stack=0x7fc1280c93f0, 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 6798 attached , parent_tid=[6800], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6800 [pid 6798] set_robust_list(0x5555564f35e0, 24 [pid 6796] <... futex resumed>) = 0 [pid 6792] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6798 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6799 [pid 6797] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6798] <... set_robust_list resumed>) = 0 [pid 6796] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] <... futex resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6801 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6797] <... openat resumed>) = 4 [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] <... prctl resumed>) = 0 [pid 6798] setpgid(0, 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6797] write(4, "5", 1 [pid 6798] <... setpgid resumed>) = 0 [pid 6798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6797] <... write resumed>) = 1 [pid 6797] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6802 [pid 6797] <... setsockopt resumed>) = 0 [pid 6797] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... futex resumed>) = 0 [pid 6797] <... futex resumed>) = 1 [pid 6796] exit_group(0) = ? ./strace-static-x86_64: Process 6802 attached ./strace-static-x86_64: Process 6800 attached [pid 6798] write(3, "1000", 4 [pid 6802] set_robust_list(0x5555564f35e0, 24 [pid 6800] set_robust_list(0x7fc1280c99e0, 24 [pid 6798] <... write resumed>) = 4 [pid 6802] <... set_robust_list resumed>) = 0 [pid 6800] <... set_robust_list resumed>) = 0 [pid 6798] close(3 [pid 6802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6800] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6798] <... close resumed>) = 0 [pid 6802] <... prctl resumed>) = 0 [pid 6800] <... socket resumed>) = 3 [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] setpgid(0, 0 [pid 6800] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] <... futex resumed>) = 0 [pid 6802] <... setpgid resumed>) = 0 [pid 6800] <... futex resumed>) = 1 [pid 6798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6792] <... futex resumed>) = 0 [pid 6802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6800] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] <... mmap resumed>) = 0x7fc1280a9000 [pid 6792] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... openat resumed>) = 3 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6798] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6792] <... futex resumed>) = 0 [pid 6802] write(3, "1000", 4 [pid 6800] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6798] <... mprotect resumed>) = 0 [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6802] <... write resumed>) = 4 [pid 6800] <... setsockopt resumed>) = 0 [pid 6798] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6802] close(3 [pid 6800] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6801 attached ./strace-static-x86_64: Process 6799 attached [pid 6802] <... close resumed>) = 0 [pid 6800] <... futex resumed>) = 1 [pid 6798] <... clone resumed>, parent_tid=[6803], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6803 [pid 6797] +++ exited with 0 +++ [pid 6796] +++ exited with 0 +++ [pid 6792] <... futex resumed>) = 0 [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... futex resumed>) = 0 [pid 6801] set_robust_list(0x5555564f35e0, 24 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] set_robust_list(0x5555564f35e0, 24 [pid 6798] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6796, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6802] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6801] <... set_robust_list resumed>) = 0 [pid 6800] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6799] <... set_robust_list resumed>) = 0 [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 6802] <... mmap resumed>) = 0x7fc1280a9000 [pid 6800] <... setsockopt resumed>) = 0 [pid 3615] <... restart_syscall resumed>) = 0 [pid 6802] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6800] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6803 attached [pid 6802] <... mprotect resumed>) = 0 [pid 6801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6800] <... futex resumed>) = 1 [pid 6799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6792] <... futex resumed>) = 0 [pid 6803] set_robust_list(0x7fc1280c99e0, 24 [pid 6802] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6801] <... prctl resumed>) = 0 [pid 6800] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6792] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6804 attached [pid 6803] <... set_robust_list resumed>) = 0 [pid 6801] setpgid(0, 0 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] <... prctl resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6804] set_robust_list(0x7fc1280c99e0, 24 [pid 6803] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6802] <... clone resumed>, parent_tid=[6804], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6804 [pid 6801] <... setpgid resumed>) = 0 [pid 6800] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6799] setpgid(0, 0 [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6805 attached [pid 6804] <... set_robust_list resumed>) = 0 [pid 6803] <... socket resumed>) = 3 [pid 6802] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6800] <... setsockopt resumed>) = 0 [pid 6799] <... setpgid resumed>) = 0 [pid 6805] set_robust_list(0x5555564f35e0, 24 [pid 6804] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6803] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... futex resumed>) = 0 [pid 6801] <... openat resumed>) = 3 [pid 6800] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6805 [pid 6805] <... set_robust_list resumed>) = 0 [pid 6804] <... socket resumed>) = 3 [pid 6803] <... futex resumed>) = 1 [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] write(3, "1000", 4 [pid 6800] <... futex resumed>) = 1 [pid 6799] <... openat resumed>) = 3 [pid 6798] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 6805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6804] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6801] <... write resumed>) = 4 [pid 6800] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] write(3, "1000", 4 [pid 6798] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... prctl resumed>) = 0 [ 242.394846][ T6791] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 242.402851][ T6791] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 242.410856][ T6791] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 242.418857][ T6791] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 242.426881][ T6791] [pid 6804] <... futex resumed>) = 0 [pid 6803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6802] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] close(3 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] <... write resumed>) = 4 [pid 6798] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 6805] setpgid(0, 0 [pid 6804] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6803] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6802] <... futex resumed>) = 0 [pid 6801] <... close resumed>) = 0 [pid 6800] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6799] close(3 [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] <... setpgid resumed>) = 0 [pid 6804] <... setsockopt resumed>) = 0 [pid 6803] <... setsockopt resumed>) = 0 [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... close resumed>) = 0 [pid 6805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6801] <... futex resumed>) = 0 [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... openat resumed>) = 3 [pid 6804] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6799] <... futex resumed>) = 0 [pid 6805] write(3, "1000", 4 [pid 6804] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 1 [pid 6802] <... futex resumed>) = 0 [pid 6801] <... mmap resumed>) = 0x7fc1280a9000 [pid 6799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6798] <... futex resumed>) = 0 [pid 6800] <... sendto resumed>) = 1 [pid 6805] <... write resumed>) = 4 [pid 6804] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6802] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6800] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... mmap resumed>) = 0x7fc1280a9000 [pid 6798] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] close(3 [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6802] <... futex resumed>) = 0 [pid 6801] <... mprotect resumed>) = 0 [pid 6800] <... futex resumed>) = 1 [pid 6799] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6798] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 6805] <... close resumed>) = 0 [pid 6804] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6803] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6800] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] <... mprotect resumed>) = 0 [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6806 attached [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6803] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6792] <... futex resumed>) = 0 [pid 6806] set_robust_list(0x7fc1280c99e0, 24 [pid 6805] <... futex resumed>) = 0 [pid 6804] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... clone resumed>, parent_tid=[6806], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6806 [pid 6800] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6806] <... set_robust_list resumed>) = 0 [pid 6805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6804] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 1 [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... sendto resumed>) = 1 [pid 6799] <... clone resumed>, parent_tid=[6807], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6807 [pid 6798] <... futex resumed>) = 0 [pid 6806] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6805] <... mmap resumed>) = 0x7fc1280a9000 [pid 6804] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6802] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = 0 [pid 6800] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6807 attached [pid 6806] <... socket resumed>) = 3 [pid 6805] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6800] <... futex resumed>) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6798] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 6807] set_robust_list(0x7fc1280c99e0, 24 [pid 6806] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... mprotect resumed>) = 0 [pid 6804] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6803] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... set_robust_list resumed>) = 0 [pid 6806] <... futex resumed>) = 0 [pid 6805] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6804] <... setsockopt resumed>) = 0 [pid 6803] <... setsockopt resumed>) = 0 [pid 6801] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6792] <... futex resumed>) = 0 [pid 6807] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6806] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6804] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = 0 [pid 6800] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6792] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] <... socket resumed>) = 3 [pid 6806] <... setsockopt resumed>) = 0 [pid 6805] <... clone resumed>, parent_tid=[6808], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6808 [pid 6804] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 1 [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6800] <... openat resumed>) = 4 [pid 6798] <... futex resumed>) = 0 [pid 6807] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6802] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] write(4, "5", 1 [pid 6798] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6805] <... futex resumed>) = 0 [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... write resumed>) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6798] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6808 attached [pid 6807] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6803] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = 0 [pid 6800] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6799] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] set_robust_list(0x7fc1280c99e0, 24 [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6804] <... sendto resumed>) = 1 [pid 6803] <... sendto resumed>) = 1 [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6800] <... setsockopt resumed>) = 0 [pid 6799] <... futex resumed>) = 0 [pid 6808] <... set_robust_list resumed>) = 0 [pid 6807] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6806] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6807] <... setsockopt resumed>) = 0 [pid 6806] <... futex resumed>) = 0 [pid 6804] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 1 [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6800] <... futex resumed>) = 1 [pid 6798] <... futex resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 6808] <... socket resumed>) = 3 [pid 6807] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6804] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6802] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = 0 [pid 6800] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] exit_group(0 [pid 6808] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = 1 [pid 6806] <... setsockopt resumed>) = 0 [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6800] <... futex resumed>) = ? [pid 6799] <... futex resumed>) = 0 [pid 6798] <... futex resumed>) = 0 [pid 6792] <... exit_group resumed>) = ? [pid 6808] <... futex resumed>) = 1 [pid 6807] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... futex resumed>) = 0 [pid 6804] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6803] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6800] +++ exited with 0 +++ [pid 6799] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6803] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6801] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... futex resumed>) = 0 [pid 6792] +++ exited with 0 +++ [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6806] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6805] <... futex resumed>) = 0 [pid 6804] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = 0 [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6792, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6808] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6807] <... setsockopt resumed>) = 0 [pid 6806] <... sendto resumed>) = 1 [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] <... futex resumed>) = 1 [pid 6803] <... futex resumed>) = 1 [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] <... futex resumed>) = 0 [pid 6808] <... setsockopt resumed>) = 0 [pid 6807] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6803] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6802] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6798] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = 1 [pid 6806] <... futex resumed>) = 0 [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6803] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6802] <... futex resumed>) = 0 [pid 6801] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... futex resumed>) = 0 [pid 6798] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6809 attached [pid 6808] <... futex resumed>) = 1 [pid 6807] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6805] <... futex resumed>) = 0 [pid 6804] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6803] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6802] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6801] <... futex resumed>) = 0 [pid 6799] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6805] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... openat resumed>) = 4 [pid 6803] <... openat resumed>) = 4 [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] <... futex resumed>) = 0 [pid 6809] set_robust_list(0x5555564f35e0, 24 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6809 [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6806] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... futex resumed>) = 0 [pid 6804] write(4, "5", 1 [pid 6803] write(4, "5", 1 [pid 6801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] <... set_robust_list resumed>) = 0 [pid 6808] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6807] <... setsockopt resumed>) = 0 [pid 6806] <... futex resumed>) = 0 [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] <... write resumed>) = 1 [pid 6803] <... write resumed>) = 1 [pid 6801] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6807] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6804] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6803] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6801] <... futex resumed>) = 0 [pid 6809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6808] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = 1 [pid 6806] <... openat resumed>) = 4 [pid 6804] <... setsockopt resumed>) = 0 [pid 6803] <... setsockopt resumed>) = 0 [pid 6801] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] <... futex resumed>) = 0 [pid 6809] <... prctl resumed>) = 0 [pid 6808] <... futex resumed>) = 1 [ 242.543360][ T6804] FAULT_INJECTION: forcing a failure. [ 242.543360][ T6804] name fail_futex, interval 1, probability 0, space 0, times 0 [ 242.556175][ T6808] FAULT_INJECTION: forcing a failure. [ 242.556175][ T6808] name fail_futex, interval 1, probability 0, space 0, times 0 [ 242.556208][ T6808] CPU: 0 PID: 6808 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 242.556232][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 242.556245][ T6808] Call Trace: [ 242.556252][ T6808] [ 242.556261][ T6808] dump_stack_lvl+0xcd/0x134 [ 242.556293][ T6808] should_fail.cold+0x5/0xa [ 242.569128][ T6803] FAULT_INJECTION: forcing a failure. [ 242.569128][ T6803] name fail_futex, interval 1, probability 0, space 0, times 0 [ 242.579513][ T6808] get_futex_key+0x5b2/0x1c50 [ 242.579543][ T6808] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 242.628234][ T6808] ? futex_setup_timer+0xf0/0xf0 [ 242.633189][ T6808] futex_wake+0xe4/0x490 [ 242.637439][ T6808] ? futex_wake_mark+0x1a0/0x1a0 [ 242.642380][ T6808] ? ptrace_stop.part.0+0x5ec/0xa80 [ 242.647586][ T6808] ? do_raw_spin_lock+0x120/0x2a0 [ 242.652630][ T6808] ? rwlock_bug.part.0+0x90/0x90 [ 242.657569][ T6808] ? _raw_spin_lock_irq+0x41/0x50 [ 242.662606][ T6808] do_futex+0x266/0x300 [ 242.666765][ T6808] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 242.672659][ T6808] ? find_held_lock+0x2d/0x110 [ 242.677452][ T6808] __x64_sys_futex+0x1b0/0x4a0 [ 242.682221][ T6808] ? do_futex+0x300/0x300 [ 242.686551][ T6808] ? _raw_spin_unlock_irq+0x1f/0x40 [ 242.691776][ T6808] ? lockdep_hardirqs_on+0x79/0x100 [ 242.696991][ T6808] ? _raw_spin_unlock_irq+0x2a/0x40 [ 242.702194][ T6808] ? ptrace_notify+0xfa/0x140 [ 242.706877][ T6808] do_syscall_64+0x35/0xb0 [ 242.711297][ T6808] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 242.717213][ T6808] RIP: 0033:0x7fc128117db9 [ 242.721666][ T6808] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6807] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6806] write(4, "5", 1 [pid 6805] <... futex resumed>) = 0 [pid 6804] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6803] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] setpgid(0, 0 [pid 6808] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6806] <... write resumed>) = 1 [pid 6805] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] <... futex resumed>) = 0 [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] <... setsockopt resumed>) = 0 [pid 6808] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6808] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6808] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] <... sendto resumed>) = 1 [pid 6808] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6808] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6808] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6808] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6805] <... futex resumed>) = 0 [pid 6808] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... futex resumed>) = 0 [pid 6808] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6805] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] <... openat resumed>) = 4 [pid 6808] write(4, "5", 1) = 1 [pid 6808] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6808] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] <... setpgid resumed>) = 0 [ 242.741274][ T6808] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 242.749700][ T6808] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 242.757672][ T6808] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 242.765641][ T6808] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 242.773610][ T6808] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 242.781586][ T6808] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 242.789587][ T6808] [ 242.797362][ T6804] CPU: 0 PID: 6804 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 242.802027][ T6806] FAULT_INJECTION: forcing a failure. [ 242.802027][ T6806] name fail_futex, interval 1, probability 0, space 0, times 0 [ 242.807886][ T6804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 242.807901][ T6804] Call Trace: [ 242.807909][ T6804] [ 242.807917][ T6804] dump_stack_lvl+0xcd/0x134 [ 242.807950][ T6804] should_fail.cold+0x5/0xa [ 242.807978][ T6804] get_futex_key+0x5b2/0x1c50 [ 242.808003][ T6804] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 242.808032][ T6804] ? futex_setup_timer+0xf0/0xf0 [ 242.808066][ T6804] futex_wake+0xe4/0x490 [ 242.808096][ T6804] ? futex_wake_mark+0x1a0/0x1a0 [ 242.808122][ T6804] ? ptrace_stop.part.0+0x5ec/0xa80 [ 242.808150][ T6804] ? do_raw_spin_lock+0x120/0x2a0 [ 242.881492][ T6804] ? rwlock_bug.part.0+0x90/0x90 [ 242.886464][ T6804] ? _raw_spin_lock_irq+0x41/0x50 [ 242.891509][ T6804] do_futex+0x266/0x300 [ 242.895682][ T6804] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 242.901581][ T6804] ? find_held_lock+0x2d/0x110 [ 242.906360][ T6804] __x64_sys_futex+0x1b0/0x4a0 [ 242.911131][ T6804] ? do_futex+0x300/0x300 [ 242.915460][ T6804] ? _raw_spin_unlock_irq+0x1f/0x40 [ 242.920666][ T6804] ? lockdep_hardirqs_on+0x79/0x100 [ 242.925869][ T6804] ? _raw_spin_unlock_irq+0x2a/0x40 [ 242.931160][ T6804] ? ptrace_notify+0xfa/0x140 [ 242.935848][ T6804] do_syscall_64+0x35/0xb0 [ 242.940268][ T6804] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 242.946168][ T6804] RIP: 0033:0x7fc128117db9 [ 242.950600][ T6804] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 242.970210][ T6804] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 242.978625][ T6804] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 242.986597][ T6804] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6807] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6806] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6802] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6801] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6799] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6798] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6807] <... sendto resumed>) = 1 [pid 6806] <... setsockopt resumed>) = 0 [pid 6802] exit_group(0 [pid 6798] exit_group(0 [pid 6809] <... openat resumed>) = 3 [pid 6807] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6806] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6802] <... exit_group resumed>) = ? [pid 6798] <... exit_group resumed>) = ? [pid 6809] write(3, "1000", 4 [pid 6807] <... futex resumed>) = 0 [pid 6809] <... write resumed>) = 4 [pid 6807] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6809] close(3) = 0 [pid 6809] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6809] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6809] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6810], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6810 [pid 6809] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6809] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6809] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6809] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6809] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6811], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6811 [pid 6809] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6809] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] exit_group(0 [pid 6801] exit_group(0 [pid 6799] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6807] <... futex resumed>) = 0 [ 242.994571][ T6804] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 243.002540][ T6804] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 243.010518][ T6804] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 243.018507][ T6804] [ 243.022682][ T6803] CPU: 1 PID: 6803 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 243.033226][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 243.043287][ T6803] Call Trace: [ 243.046574][ T6803] [ 243.049508][ T6803] dump_stack_lvl+0xcd/0x134 [ 243.054115][ T6803] should_fail.cold+0x5/0xa [ 243.058632][ T6803] get_futex_key+0x5b2/0x1c50 [ 243.063318][ T6803] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 243.069311][ T6803] ? futex_setup_timer+0xf0/0xf0 [ 243.074268][ T6803] futex_wake+0xe4/0x490 [ 243.078526][ T6803] ? futex_wake_mark+0x1a0/0x1a0 [ 243.083473][ T6803] ? ptrace_stop.part.0+0x5ec/0xa80 [ 243.088686][ T6803] ? do_raw_spin_lock+0x120/0x2a0 [ 243.093719][ T6803] ? rwlock_bug.part.0+0x90/0x90 [ 243.098662][ T6803] ? _raw_spin_lock_irq+0x41/0x50 [ 243.103705][ T6803] do_futex+0x266/0x300 [ 243.107872][ T6803] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 243.113772][ T6803] ? find_held_lock+0x2d/0x110 [ 243.118566][ T6803] __x64_sys_futex+0x1b0/0x4a0 [ 243.123348][ T6803] ? do_futex+0x300/0x300 [ 243.127686][ T6803] ? _raw_spin_unlock_irq+0x1f/0x40 [ 243.132895][ T6803] ? lockdep_hardirqs_on+0x79/0x100 [ 243.138107][ T6803] ? _raw_spin_unlock_irq+0x2a/0x40 [ 243.143407][ T6803] ? ptrace_notify+0xfa/0x140 [ 243.148095][ T6803] do_syscall_64+0x35/0xb0 [ 243.152534][ T6803] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 243.158445][ T6803] RIP: 0033:0x7fc128117db9 [ 243.162880][ T6803] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 243.182516][ T6803] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 243.190942][ T6803] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 243.198919][ T6803] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 243.206901][ T6803] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 243.214894][ T6803] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 243.222873][ T6803] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 243.230878][ T6803] [ 243.233924][ T6806] CPU: 0 PID: 6806 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 6805] <... exit_group resumed>) = ? [pid 6801] <... exit_group resumed>) = ? [pid 6799] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6811 attached ./strace-static-x86_64: Process 6810 attached [pid 6809] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... futex resumed>) = ? [pid 6807] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6804] <... futex resumed>) = ? [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6811] set_robust_list(0x7fc1280a89e0, 24 [pid 6807] <... sendto resumed>) = 1 [pid 6811] <... set_robust_list resumed>) = 0 [pid 6807] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6807] <... futex resumed>) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6811] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6811] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6799] <... futex resumed>) = 0 [pid 6811] <... futex resumed>) = 0 [pid 6807] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6799] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6811] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6807] <... openat resumed>) = 4 [pid 6807] write(4, "5", 1) = 1 [pid 6807] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6807] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6807] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] exit_group(0 [pid 6807] <... futex resumed>) = ? [pid 6799] <... exit_group resumed>) = ? [pid 6807] +++ exited with 0 +++ [pid 6799] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6803] <... futex resumed>) = ? [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6812 [pid 6803] +++ exited with 0 +++ [pid 6798] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6798, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6813 ./strace-static-x86_64: Process 6812 attached [pid 6812] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6812] setpgid(0, 0) = 0 [pid 6812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6812] write(3, "1000", 4) = 4 [pid 6812] close(3) = 0 [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6812] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6812] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6814], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6814 [pid 6812] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6814 attached [pid 6814] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6814] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6814] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... futex resumed>) = 0 [pid 6812] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6810] set_robust_list(0x7fc1280c99e0, 24 [pid 6809] <... futex resumed>) = 0 [pid 6808] +++ exited with 0 +++ [pid 6805] +++ exited with 0 +++ [pid 6804] +++ exited with 0 +++ [pid 6802] +++ exited with 0 +++ [pid 6814] <... futex resumed>) = 1 [pid 6810] <... set_robust_list resumed>) = 0 [pid 6809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6805, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6802, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6814] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [ 243.244461][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 243.254715][ T6806] Call Trace: [ 243.258009][ T6806] [ 243.260957][ T6806] dump_stack_lvl+0xcd/0x134 [ 243.265583][ T6806] should_fail.cold+0x5/0xa [ 243.270120][ T6806] get_futex_key+0x5b2/0x1c50 [ 243.274826][ T6806] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 243.280927][ T6806] ? futex_setup_timer+0xf0/0xf0 [ 243.285902][ T6806] futex_wake+0xe4/0x490 [ 243.290178][ T6806] ? futex_wake_mark+0x1a0/0x1a0 [ 243.295152][ T6806] ? ptrace_stop.part.0+0x5ec/0xa80 [ 243.300387][ T6806] ? do_raw_spin_lock+0x120/0x2a0 [ 243.305444][ T6806] ? rwlock_bug.part.0+0x90/0x90 [ 243.310412][ T6806] ? _raw_spin_lock_irq+0x41/0x50 [ 243.315478][ T6806] do_futex+0x266/0x300 [ 243.319670][ T6806] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 243.325598][ T6806] ? find_held_lock+0x2d/0x110 [ 243.330422][ T6806] __x64_sys_futex+0x1b0/0x4a0 [ 243.335236][ T6806] ? do_futex+0x300/0x300 [ 243.339592][ T6806] ? _raw_spin_unlock_irq+0x1f/0x40 [ 243.344822][ T6806] ? lockdep_hardirqs_on+0x79/0x100 [ 243.350055][ T6806] ? _raw_spin_unlock_irq+0x2a/0x40 [ 243.355286][ T6806] ? ptrace_notify+0xfa/0x140 [ 243.359996][ T6806] do_syscall_64+0x35/0xb0 [ 243.364451][ T6806] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 243.370380][ T6806] RIP: 0033:0x7fc128117db9 [ 243.374817][ T6806] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6810] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6809] <... mmap resumed>) = 0x7fc128067000 [pid 6814] <... setsockopt resumed>) = 0 [pid 6810] <... socket resumed>) = 3 [pid 6809] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE [pid 6814] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] <... mprotect resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6814] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6810] <... futex resumed>) = 0 [pid 6809] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6814] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6815 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6816 [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 6809] <... clone resumed>, parent_tid=[6817], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6817 [pid 6814] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6809] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... setsockopt resumed>) = 0 [pid 6809] <... futex resumed>) = 0 [pid 6814] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6809] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] <... futex resumed>) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6814] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 6814] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] <... setsockopt resumed>) = 0 [pid 6814] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6814] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 6814] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] <... sendto resumed>) = 1 [pid 6814] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6814] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 6814] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] <... sendto resumed>) = 1 [pid 6814] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6814] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6812] <... futex resumed>) = 0 [pid 6814] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6812] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6814] <... openat resumed>) = 4 [pid 6814] write(4, "5", 1) = 1 [pid 6814] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6814] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6812] <... futex resumed>) = 0 [pid 6814] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] exit_group(0 [pid 6814] <... futex resumed>) = ? [pid 6812] <... exit_group resumed>) = ? [pid 6814] +++ exited with 0 +++ [pid 6812] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6812, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6818 ./strace-static-x86_64: Process 6818 attached [pid 6818] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6818] setpgid(0, 0) = 0 [pid 6818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6818] write(3, "1000", 4 [pid 6809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6818] <... write resumed>) = 4 [pid 6809] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] close(3 [pid 6810] <... futex resumed>) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6818] <... close resumed>) = 0 [pid 6810] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6809] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6818] <... futex resumed>) = 0 [pid 6810] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6810] <... futex resumed>) = 1 [pid 6809] <... futex resumed>) = 0 [pid 6818] <... mmap resumed>) = 0x7fc1280a9000 [pid 6810] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6809] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6809] <... futex resumed>) = 0 [pid 6818] <... mprotect resumed>) = 0 [pid 6810] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6809] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6818] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6810] <... sendto resumed>) = 1 [pid 6810] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... clone resumed>, parent_tid=[6819], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6819 [pid 6810] <... futex resumed>) = 1 [pid 6809] <... futex resumed>) = 0 [pid 6818] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6809] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] <... futex resumed>) = 0 [pid 6810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6809] <... futex resumed>) = 0 [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6810] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6809] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6810] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) ./strace-static-x86_64: Process 6819 attached [pid 6810] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] set_robust_list(0x7fc1280c99e0, 24 [pid 6810] <... futex resumed>) = 1 [pid 6809] <... futex resumed>) = 0 [pid 6819] <... set_robust_list resumed>) = 0 [pid 6810] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6809] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6809] <... futex resumed>) = 0 [pid 6819] <... socket resumed>) = 3 [pid 6810] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6809] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... openat resumed>) = 4 [pid 6819] <... futex resumed>) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6810] write(4, "5", 1 [pid 6819] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... write resumed>) = 1 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... futex resumed>) = 0 [pid 6810] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6819] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6810] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6819] <... setsockopt resumed>) = 0 [pid 6810] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... futex resumed>) = 1 [pid 6809] <... futex resumed>) = 0 [pid 6819] <... futex resumed>) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6810] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6819] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... futex resumed>) = 0 [pid 6819] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] <... setsockopt resumed>) = 0 [pid 6819] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6819] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... futex resumed>) = 0 [pid 6819] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] <... setsockopt resumed>) = 0 [pid 6819] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6819] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6817 attached ./strace-static-x86_64: Process 6816 attached ./strace-static-x86_64: Process 6815 attached ./strace-static-x86_64: Process 6813 attached [pid 6819] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6806] <... futex resumed>) = ? [pid 6817] set_robust_list(0x7fc1280879e0, 24 [pid 6816] set_robust_list(0x5555564f35e0, 24 [pid 6815] set_robust_list(0x5555564f35e0, 24 [pid 6813] set_robust_list(0x5555564f35e0, 24 [pid 6806] +++ exited with 0 +++ [pid 6801] +++ exited with 0 +++ [pid 6817] <... set_robust_list resumed>) = 0 [pid 6816] <... set_robust_list resumed>) = 0 [pid 6815] <... set_robust_list resumed>) = 0 [pid 6813] <... set_robust_list resumed>) = 0 [pid 6817] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6819] <... sendto resumed>) = 1 [pid 6817] <... setsockopt resumed>) = -1 EINVAL (Invalid argument) [pid 6816] <... prctl resumed>) = 0 [pid 6815] <... prctl resumed>) = 0 [pid 6813] <... prctl resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6801, si_uid=0, si_status=0, si_utime=0, si_stime=46} --- [pid 6819] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] setpgid(0, 0 [pid 6815] setpgid(0, 0 [pid 6813] setpgid(0, 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6819] <... futex resumed>) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6817] <... futex resumed>) = 0 [pid 6816] <... setpgid resumed>) = 0 [pid 6815] <... setpgid resumed>) = 0 [pid 6813] <... setpgid resumed>) = 0 [pid 6819] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6818] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6809] exit_group(0./strace-static-x86_64: Process 6820 attached [pid 6819] <... sendto resumed>) = 1 [pid 6818] <... futex resumed>) = 0 [pid 6817] <... futex resumed>) = ? [pid 6816] <... openat resumed>) = 3 [ 243.394458][ T6806] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 243.402906][ T6806] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 243.410909][ T6806] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 243.418911][ T6806] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 243.426911][ T6806] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 243.434888][ T6806] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 243.442877][ T6806] [pid 6815] <... openat resumed>) = 3 [pid 6813] <... openat resumed>) = 3 [pid 6811] <... futex resumed>) = ? [pid 6810] <... futex resumed>) = ? [pid 6809] <... exit_group resumed>) = ? [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6820 [pid 6819] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] +++ exited with 0 +++ [pid 6816] write(3, "1000", 4 [pid 6815] write(3, "1000", 4 [pid 6813] write(3, "1000", 4 [pid 6811] +++ exited with 0 +++ [pid 6816] <... write resumed>) = 4 [pid 6815] <... write resumed>) = 4 [pid 6813] <... write resumed>) = 4 [pid 6816] close(3 [pid 6815] close(3 [pid 6813] close(3 [pid 6816] <... close resumed>) = 0 [pid 6815] <... close resumed>) = 0 [pid 6813] <... close resumed>) = 0 [pid 6816] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6813] <... futex resumed>) = 0 [pid 6816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6816] <... mmap resumed>) = 0x7fc1280a9000 [pid 6815] <... mmap resumed>) = 0x7fc1280a9000 [pid 6813] <... mmap resumed>) = 0x7fc1280a9000 [pid 6816] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6815] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6813] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6816] <... mprotect resumed>) = 0 [pid 6815] <... mprotect resumed>) = 0 [pid 6813] <... mprotect resumed>) = 0 [pid 6816] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6815] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6813] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6816] <... clone resumed>, parent_tid=[6821], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6821 [pid 6815] <... clone resumed>, parent_tid=[6822], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6822 [pid 6813] <... clone resumed>, parent_tid=[6823], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6823 [pid 6816] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = 0 [pid 6813] <... futex resumed>) = 0 [pid 6816] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6823 attached [pid 6823] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6823] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6823] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6813] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... futex resumed>) = 1 [pid 6823] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6823] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6813] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... futex resumed>) = 1 [pid 6823] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 6823] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6813] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6822 attached [pid 6823] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6822] set_robust_list(0x7fc1280c99e0, 24 [pid 6823] <... setsockopt resumed>) = 0 [pid 6822] <... set_robust_list resumed>) = 0 [pid 6823] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6813] <... futex resumed>) = 0 [pid 6823] <... futex resumed>) = 1 [pid 6822] <... socket resumed>) = 3 [pid 6813] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6822] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6822] <... futex resumed>) = 1 [pid 6815] <... futex resumed>) = 0 [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... sendto resumed>) = 1 [pid 6822] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6815] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... setsockopt resumed>) = 0 [pid 6819] <... futex resumed>) = 0 [pid 6818] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6823] <... futex resumed>) = 1 [pid 6822] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] set_robust_list(0x5555564f35e0, 24 [pid 6819] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6818] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6813] <... futex resumed>) = 0 [pid 6823] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... futex resumed>) = 0 [pid 6820] <... set_robust_list resumed>) = 0 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6818] <... futex resumed>) = 0 [pid 6815] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6813] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6822] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6819] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6818] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6823] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6819] <... openat resumed>) = 4 [pid 6815] <... futex resumed>) = 0 [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] <... prctl resumed>) = 0 [pid 6823] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6822] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6819] write(4, "5", 1 [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] setpgid(0, 0 [pid 6823] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6823] <... futex resumed>) = 1 [pid 6822] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6823] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... futex resumed>) = 1 [pid 6815] <... futex resumed>) = 0 [pid 6813] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6822] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6813] <... futex resumed>) = 0 [pid 6823] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6813] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] <... openat resumed>) = 4 [pid 6822] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6823] write(4, "5", 1 [ 243.463710][ T6810] FAULT_INJECTION: forcing a failure. [ 243.463710][ T6810] name fail_futex, interval 1, probability 0, space 0, times 0 [ 243.489096][ T6810] CPU: 1 PID: 6810 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 243.490659][ T6823] FAULT_INJECTION: forcing a failure. [ 243.490659][ T6823] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6822] <... setsockopt resumed>) = 0 [pid 6820] <... setpgid resumed>) = 0 [pid 6819] <... write resumed>) = 1 ./strace-static-x86_64: Process 6821 attached [pid 6823] <... write resumed>) = 1 [pid 6822] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6822] <... futex resumed>) = 1 [pid 6815] <... futex resumed>) = 0 [pid 6823] <... setsockopt resumed>) = 0 [pid 6822] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6822] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] <... sendto resumed>) = 1 [pid 6822] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6815] <... futex resumed>) = 0 [pid 6822] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6822] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6822] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6815] <... futex resumed>) = 0 [pid 6822] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6815] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6815] <... futex resumed>) = 0 [pid 6822] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6815] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6822] <... openat resumed>) = 4 [pid 6822] write(4, "5", 1) = 1 [pid 6822] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6822] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6816] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6816] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6816] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6824], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6824 [pid 6816] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6824 attached [pid 6824] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 6824] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 6824] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6816] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6824] <... futex resumed>) = 1 [pid 6824] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [pid 6824] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6816] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6824] <... futex resumed>) = 1 [pid 6824] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = -1 EBADF (Bad file descriptor) [pid 6824] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... futex resumed>) = 0 [pid 6816] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6816] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6824] <... futex resumed>) = 1 [pid 6813] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6813] exit_group(0) = ? [pid 6824] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = -1 EBADF (Bad file descriptor) [pid 6824] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6816] <... futex resumed>) = 0 [pid 6824] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6816] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] <... futex resumed>) = 0 [pid 6824] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6824] <... futex resumed>) = 0 [pid 6816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6824] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6816] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] <... openat resumed>) = 3 [pid 6816] <... futex resumed>) = 0 [pid 6824] write(3, "5", 1 [pid 6816] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6824] <... write resumed>) = 1 [pid 6824] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 6824] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6816] <... futex resumed>) = 0 [pid 6824] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6819] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6820] <... openat resumed>) = 3 [pid 6819] <... setsockopt resumed>) = 0 [pid 6820] write(3, "1000", 4 [pid 6819] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... write resumed>) = 4 [pid 6819] <... futex resumed>) = 1 [pid 6820] close(3 [pid 6819] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] <... close resumed>) = 0 [pid 6820] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6820] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6820] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6825], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6825 [pid 6820] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 243.499653][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 243.499667][ T6810] Call Trace: [ 243.499675][ T6810] [ 243.499685][ T6810] dump_stack_lvl+0xcd/0x134 [ 243.499718][ T6810] should_fail.cold+0x5/0xa [ 243.499745][ T6810] get_futex_key+0x5b2/0x1c50 [ 243.499772][ T6810] ? __lock_acquire+0x163e/0x5660 [ 243.499798][ T6810] ? futex_setup_timer+0xf0/0xf0 [ 243.499832][ T6810] futex_wake+0xe4/0x490 [ 243.518532][ T6822] FAULT_INJECTION: forcing a failure. [pid 6820] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6815] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6815] exit_group(0) = ? [ 243.518532][ T6822] name fail_futex, interval 1, probability 0, space 0, times 0 [ 243.522622][ T6810] ? futex_wake_mark+0x1a0/0x1a0 [ 243.522660][ T6810] ? find_held_lock+0x2d/0x110 [ 243.579300][ T6810] do_futex+0x266/0x300 [ 243.583472][ T6810] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 243.589406][ T6810] mm_release+0x235/0x2c0 [ 243.593751][ T6810] do_exit+0x8a0/0x29d0 [ 243.597923][ T6810] ? find_held_lock+0x2d/0x110 [ 243.602704][ T6810] ? mm_update_next_owner+0x7a0/0x7a0 [ 243.608083][ T6810] ? lock_downgrade+0x6e0/0x6e0 [ 243.612970][ T6810] do_group_exit+0xd2/0x2f0 [ 243.617499][ T6810] get_signal+0x2542/0x2600 [ 243.622082][ T6810] ? exit_signals+0x8b0/0x8b0 [ 243.626764][ T6810] ? userns_owner+0x40/0x40 [ 243.631271][ T6810] ? __task_pid_nr_ns+0x168/0x4b0 [ 243.636299][ T6810] ? lock_downgrade+0x6e0/0x6e0 [ 243.641155][ T6810] arch_do_signal_or_restart+0x82/0x2300 [ 243.646792][ T6810] ? from_kuid_munged+0xa2/0x130 [ 243.651739][ T6810] ? find_held_lock+0x2d/0x110 [ 243.656510][ T6810] ? get_sigframe_size+0x10/0x10 [ 243.661454][ T6810] ? ptrace_notify+0xfa/0x140 [ 243.666152][ T6810] ? lock_downgrade+0x6e0/0x6e0 [ 243.671010][ T6810] ? send_sig+0xfe/0x160 [ 243.675255][ T6810] ? send_sig_info+0x140/0x140 [ 243.680025][ T6810] ? exit_to_user_mode_prepare+0x137/0x250 [ 243.685839][ T6810] exit_to_user_mode_prepare+0x15f/0x250 [ 243.691476][ T6810] syscall_exit_to_user_mode+0x19/0x50 [ 243.696943][ T6810] do_syscall_64+0x42/0xb0 [ 243.701376][ T6810] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 243.707275][ T6810] RIP: 0033:0x7fc128117db9 [ 243.711691][ T6810] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 243.731303][ T6810] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 243.739719][ T6810] RAX: fffffffffffffe00 RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 243.747691][ T6810] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04a8 [ 243.755661][ T6810] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6820] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6818] <... futex resumed>) = 0 [pid 6821] set_robust_list(0x7fc1280c99e0, 24 [pid 6818] exit_group(0 [pid 6821] <... set_robust_list resumed>) = 0 [pid 6819] <... futex resumed>) = ? [pid 6818] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6825 attached [pid 6821] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6820] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] +++ exited with 0 +++ [pid 6818] +++ exited with 0 +++ [pid 6810] +++ exited with 0 +++ [pid 6809] +++ exited with 0 +++ [pid 6821] <... socket resumed>) = 4 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6818, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6821] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 6821] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 6821] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6826 ./strace-static-x86_64: Process 6826 attached [pid 6826] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6826] setpgid(0, 0) = 0 [pid 6826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6826] write(3, "1000", 4) = 4 [pid 6826] close(3) = 0 [pid 6820] <... futex resumed>) = 0 [pid 6816] exit_group(0 [pid 6821] <... futex resumed>) = ? [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6816] <... exit_group resumed>) = ? [pid 6821] +++ exited with 0 +++ [pid 6820] <... mmap resumed>) = 0x7fc128088000 [pid 6820] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6820] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6827], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6827 [pid 6825] set_robust_list(0x7fc1280c99e0, 24 [pid 6820] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... set_robust_list resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 6825] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6820] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] <... socket resumed>) = 3 [pid 6825] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6825] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [ 243.763633][ T6810] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 243.771605][ T6810] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 243.779602][ T6810] [ 243.789494][ T6823] CPU: 0 PID: 6823 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 243.800500][ T6823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 243.810587][ T6823] Call Trace: [pid 6826] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6826] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6828], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6828 [pid 6826] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6827 attached [pid 6827] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 6827] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6827] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6827] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = 0 [pid 6820] <... futex resumed>) = 1 [ 243.813890][ T6823] [ 243.816848][ T6823] dump_stack_lvl+0xcd/0x134 [ 243.821475][ T6823] should_fail.cold+0x5/0xa [ 243.826022][ T6823] get_futex_key+0x5b2/0x1c50 [ 243.830726][ T6823] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 243.836758][ T6823] ? futex_setup_timer+0xf0/0xf0 [ 243.841733][ T6823] futex_wake+0xe4/0x490 [ 243.846010][ T6823] ? futex_wake_mark+0x1a0/0x1a0 [ 243.850977][ T6823] ? ptrace_stop.part.0+0x5ec/0xa80 [ 243.856210][ T6823] ? do_raw_spin_lock+0x120/0x2a0 [ 243.861269][ T6823] ? rwlock_bug.part.0+0x90/0x90 [ 243.866221][ T6823] ? _raw_spin_lock_irq+0x41/0x50 [ 243.871284][ T6823] do_futex+0x266/0x300 [ 243.875561][ T6823] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 243.881485][ T6823] ? find_held_lock+0x2d/0x110 [ 243.886306][ T6823] __x64_sys_futex+0x1b0/0x4a0 [ 243.891277][ T6823] ? do_futex+0x300/0x300 [ 243.893096][ T6828] FAULT_INJECTION: forcing a failure. [ 243.893096][ T6828] name fail_futex, interval 1, probability 0, space 0, times 0 [ 243.895624][ T6823] ? _raw_spin_unlock_irq+0x1f/0x40 [ 243.895658][ T6823] ? lockdep_hardirqs_on+0x79/0x100 [ 243.895683][ T6823] ? _raw_spin_unlock_irq+0x2a/0x40 [ 243.895706][ T6823] ? ptrace_notify+0xfa/0x140 [ 243.928847][ T6823] do_syscall_64+0x35/0xb0 [ 243.933312][ T6823] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 243.939229][ T6823] RIP: 0033:0x7fc128117db9 [ 243.943658][ T6823] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6825] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6820] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6828 attached [pid 6825] <... setsockopt resumed>) = 0 [pid 6828] set_robust_list(0x7fc1280c99e0, 24 [pid 6825] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... set_robust_list resumed>) = 0 [pid 6825] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6828] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6825] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... socket resumed>) = 3 [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6820] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... futex resumed>) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6825] <... setsockopt resumed>) = 0 [pid 6824] <... futex resumed>) = ? [pid 6828] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6826] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6824] +++ exited with 0 +++ [pid 6816] +++ exited with 0 +++ [pid 6828] <... setsockopt resumed>) = 0 [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = 0 [pid 6826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6820] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6825] <... sendto resumed>) = 1 [pid 6828] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6825] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6820] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6825] <... sendto resumed>) = 1 [pid 6828] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... setsockopt resumed>) = 0 [pid 6825] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6820] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6825] <... openat resumed>) = 4 [pid 6828] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] write(4, "5", 1 [pid 6828] <... sendto resumed>) = 1 [pid 6825] <... write resumed>) = 1 [pid 6828] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6828] <... futex resumed>) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6825] <... setsockopt resumed>) = 0 [pid 6828] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6825] <... futex resumed>) = 1 [pid 6820] <... futex resumed>) = 0 [pid 6828] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] exit_group(0 [pid 6828] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6827] <... futex resumed>) = ? [pid 6825] <... futex resumed>) = ? [pid 6820] <... exit_group resumed>) = ? [pid 6828] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6827] +++ exited with 0 +++ [pid 6825] +++ exited with 0 +++ [pid 6820] +++ exited with 0 +++ [pid 6828] <... futex resumed>) = 1 [pid 6826] <... futex resumed>) = 0 [pid 6828] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6826] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6826] <... futex resumed>) = 0 [pid 6828] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6826] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... openat resumed>) = 4 [pid 6828] write(4, "5", 1) = 1 [pid 6828] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6828] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6809, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6829 [pid 6826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6826] exit_group(0) = ? [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6820, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [ 243.963284][ T6823] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 243.971724][ T6823] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 243.979710][ T6823] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 243.987871][ T6823] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 243.995851][ T6823] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 244.003835][ T6823] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 244.011840][ T6823] ./strace-static-x86_64: Process 6829 attached [pid 6823] <... futex resumed>) = ? [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6816, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6829] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6829] setpgid(0, 0) = 0 [pid 6829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6829] write(3, "1000", 4) = 4 [pid 6829] close(3) = 0 [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6829] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6829] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6830], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6830 [pid 6829] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6830 attached [ 244.017333][ T6822] CPU: 0 PID: 6822 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 244.027873][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 244.037943][ T6822] Call Trace: [ 244.041229][ T6822] [ 244.044168][ T6822] dump_stack_lvl+0xcd/0x134 [ 244.048791][ T6822] should_fail.cold+0x5/0xa [ 244.053334][ T6822] get_futex_key+0x5b2/0x1c50 [ 244.058042][ T6822] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 6830] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6830] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6830] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] <... futex resumed>) = 0 [pid 6830] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] <... futex resumed>) = 0 [pid 6830] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] <... setsockopt resumed>) = 0 [pid 6830] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] <... futex resumed>) = 0 [pid 6830] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] <... futex resumed>) = 0 [ 244.064054][ T6822] ? futex_setup_timer+0xf0/0xf0 [ 244.069031][ T6822] futex_wake+0xe4/0x490 [ 244.073302][ T6822] ? futex_wake_mark+0x1a0/0x1a0 [ 244.078254][ T6822] ? ptrace_stop.part.0+0x5ec/0xa80 [ 244.083465][ T6822] ? do_raw_spin_lock+0x120/0x2a0 [ 244.088516][ T6822] ? rwlock_bug.part.0+0x90/0x90 [ 244.093485][ T6822] ? _raw_spin_lock_irq+0x41/0x50 [ 244.098542][ T6822] do_futex+0x266/0x300 [ 244.102731][ T6822] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 244.108649][ T6822] ? find_held_lock+0x2d/0x110 [ 244.113461][ T6822] __x64_sys_futex+0x1b0/0x4a0 [ 244.118270][ T6822] ? do_futex+0x300/0x300 [ 244.122625][ T6822] ? _raw_spin_unlock_irq+0x1f/0x40 [ 244.127864][ T6822] ? lockdep_hardirqs_on+0x79/0x100 [ 244.133108][ T6822] ? _raw_spin_unlock_irq+0x2a/0x40 [ 244.138333][ T6822] ? ptrace_notify+0xfa/0x140 [ 244.143037][ T6822] do_syscall_64+0x35/0xb0 [ 244.147469][ T6822] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 244.153391][ T6822] RIP: 0033:0x7fc128117db9 [ 244.157829][ T6822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 244.177471][ T6822] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 244.185925][ T6822] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 244.193932][ T6822] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 244.201928][ T6822] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 244.209918][ T6822] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6830] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] <... setsockopt resumed>) = 0 [pid 6830] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] <... futex resumed>) = 0 [pid 6830] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] <... futex resumed>) = 0 [pid 6830] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] <... setsockopt resumed>) = 0 [pid 6830] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] <... futex resumed>) = 0 [pid 6830] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] <... futex resumed>) = 0 [pid 6830] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] <... sendto resumed>) = 1 [pid 6830] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] <... futex resumed>) = 0 [pid 6830] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] <... futex resumed>) = 0 [pid 6830] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] <... sendto resumed>) = 1 [pid 6830] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] <... futex resumed>) = 0 [pid 6830] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6829] <... futex resumed>) = 0 [pid 6830] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6829] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] <... openat resumed>) = 4 [pid 6830] write(4, "5", 1) = 1 [pid 6830] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6830] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6829] <... futex resumed>) = 0 [pid 6830] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6829] exit_group(0 [pid 6830] <... futex resumed>) = ? [pid 6829] <... exit_group resumed>) = ? [pid 6830] +++ exited with 0 +++ [pid 6829] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6829, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6831 ./strace-static-x86_64: Process 6831 attached [pid 6831] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6831] setpgid(0, 0) = 0 [pid 6831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6831] write(3, "1000", 4) = 4 [pid 6831] close(3) = 0 [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6831] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6831] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6832], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6832 [pid 6831] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6832 attached [pid 6832] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6832] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6832] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6831] <... futex resumed>) = 0 [pid 6832] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... futex resumed>) = 0 [pid 6832] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... setsockopt resumed>) = 0 [pid 6832] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6831] <... futex resumed>) = 0 [pid 6832] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... futex resumed>) = 0 [pid 6832] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... setsockopt resumed>) = 0 [pid 6832] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6831] <... futex resumed>) = 0 [pid 6832] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... futex resumed>) = 0 [pid 6832] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... setsockopt resumed>) = 0 [pid 6832] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6831] <... futex resumed>) = 0 [pid 6832] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... futex resumed>) = 0 [pid 6832] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... sendto resumed>) = 1 [pid 6832] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6831] <... futex resumed>) = 0 [pid 6832] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... futex resumed>) = 0 [pid 6832] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... sendto resumed>) = 1 [pid 6832] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6831] <... futex resumed>) = 0 [pid 6832] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... futex resumed>) = 0 [pid 6832] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6831] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... openat resumed>) = 4 [pid 6832] write(4, "5", 1) = 1 [pid 6832] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6832] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6831] <... futex resumed>) = 0 [pid 6832] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6831] exit_group(0 [pid 6832] <... futex resumed>) = ? [pid 6831] <... exit_group resumed>) = ? [pid 6832] +++ exited with 0 +++ [pid 6831] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6831, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6833 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6834 attached [pid 6823] +++ exited with 0 +++ [pid 6822] <... futex resumed>) = ? [pid 6813] +++ exited with 0 +++ [pid 6834] set_robust_list(0x5555564f35e0, 24 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6834 [pid 6834] <... set_robust_list resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6813, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6835 [pid 6834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6835 attached [pid 6834] <... prctl resumed>) = 0 [pid 6822] +++ exited with 0 +++ [pid 6815] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6815, si_uid=0, si_status=0, si_utime=1, si_stime=31} --- [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6836 ./strace-static-x86_64: Process 6833 attached [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6837 [pid 6833] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6833] setpgid(0, 0) = 0 [pid 6833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6833] write(3, "1000", 4) = 4 [ 244.217907][ T6822] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 244.225924][ T6822] [ 244.240095][ T6828] CPU: 0 PID: 6828 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 244.250646][ T6828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 244.260791][ T6828] Call Trace: [ 244.264060][ T6828] ./strace-static-x86_64: Process 6837 attached ./strace-static-x86_64: Process 6836 attached [pid 6835] set_robust_list(0x5555564f35e0, 24 [pid 6834] setpgid(0, 0 [pid 6833] close(3 [pid 6836] set_robust_list(0x5555564f35e0, 24 [pid 6835] <... set_robust_list resumed>) = 0 [pid 6834] <... setpgid resumed>) = 0 [pid 6833] <... close resumed>) = 0 [pid 6836] <... set_robust_list resumed>) = 0 [pid 6835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6833] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] set_robust_list(0x5555564f35e0, 24 [pid 6836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6835] <... prctl resumed>) = 0 [pid 6834] <... openat resumed>) = 3 [pid 6833] <... futex resumed>) = 0 [pid 6837] <... set_robust_list resumed>) = 0 [pid 6836] <... prctl resumed>) = 0 [pid 6835] setpgid(0, 0 [pid 6834] write(3, "1000", 4 [pid 6833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6836] setpgid(0, 0 [pid 6835] <... setpgid resumed>) = 0 [pid 6834] <... write resumed>) = 4 [pid 6833] <... mmap resumed>) = 0x7fc1280a9000 [pid 6837] <... prctl resumed>) = 0 [pid 6836] <... setpgid resumed>) = 0 [ 244.266981][ T6828] dump_stack_lvl+0xcd/0x134 [ 244.271587][ T6828] should_fail.cold+0x5/0xa [ 244.276124][ T6828] get_futex_key+0x5b2/0x1c50 [ 244.280827][ T6828] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 244.286844][ T6828] ? futex_setup_timer+0xf0/0xf0 [ 244.291829][ T6828] futex_wake+0xe4/0x490 [ 244.296102][ T6828] ? futex_wake_mark+0x1a0/0x1a0 [ 244.301070][ T6828] ? ptrace_stop.part.0+0x5ec/0xa80 [ 244.306295][ T6828] ? do_raw_spin_lock+0x120/0x2a0 [ 244.311349][ T6828] ? rwlock_bug.part.0+0x90/0x90 [ 244.316314][ T6828] ? _raw_spin_lock_irq+0x41/0x50 [ 244.321385][ T6828] do_futex+0x266/0x300 [ 244.325575][ T6828] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 244.331497][ T6828] ? find_held_lock+0x2d/0x110 [ 244.336302][ T6828] __x64_sys_futex+0x1b0/0x4a0 [ 244.341101][ T6828] ? do_futex+0x300/0x300 [ 244.345461][ T6828] ? _raw_spin_unlock_irq+0x1f/0x40 [ 244.350696][ T6828] ? lockdep_hardirqs_on+0x79/0x100 [ 244.355926][ T6828] ? _raw_spin_unlock_irq+0x2a/0x40 [ 244.361188][ T6828] ? ptrace_notify+0xfa/0x140 [ 244.365903][ T6828] do_syscall_64+0x35/0xb0 [ 244.370356][ T6828] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 244.376285][ T6828] RIP: 0033:0x7fc128117db9 [ 244.380726][ T6828] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 244.400465][ T6828] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 244.400812][ T6842] FAULT_INJECTION: forcing a failure. [pid 6835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6834] close(3 [pid 6833] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6837] setpgid(0, 0 [pid 6836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6835] <... openat resumed>) = 3 [pid 6834] <... close resumed>) = 0 [pid 6833] <... mprotect resumed>) = 0 [pid 6837] <... setpgid resumed>) = 0 [pid 6836] <... openat resumed>) = 3 [pid 6835] write(3, "1000", 4 [pid 6834] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6836] write(3, "1000", 4 [pid 6835] <... write resumed>) = 4 [pid 6834] <... futex resumed>) = 0 [pid 6837] <... openat resumed>) = 3 [pid 6836] <... write resumed>) = 4 [pid 6835] close(3 [pid 6834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6833] <... clone resumed>, parent_tid=[6838], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6838 [pid 6837] write(3, "1000", 4 [pid 6836] close(3 [pid 6835] <... close resumed>) = 0 [pid 6834] <... mmap resumed>) = 0x7fc1280a9000 [pid 6833] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... write resumed>) = 4 [pid 6836] <... close resumed>) = 0 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6833] <... futex resumed>) = 0 [pid 6837] close(3 [pid 6836] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6834] <... mprotect resumed>) = 0 [pid 6833] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6837] <... close resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6834] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6835] <... mmap resumed>) = 0x7fc1280a9000 [pid 6837] <... futex resumed>) = 0 [pid 6836] <... mmap resumed>) = 0x7fc1280a9000 [pid 6835] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6834] <... clone resumed>, parent_tid=[6839], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6839 [pid 6837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6836] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6835] <... mprotect resumed>) = 0 [pid 6834] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... mmap resumed>) = 0x7fc1280a9000 [pid 6836] <... mprotect resumed>) = 0 [pid 6835] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6834] <... futex resumed>) = 0 [pid 6837] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6836] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6834] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6837] <... mprotect resumed>) = 0 [pid 6835] <... clone resumed>, parent_tid=[6840], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6840 [pid 6837] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6836] <... clone resumed>, parent_tid=[6841], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6841 [pid 6835] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6840 attached [pid 6836] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6840] set_robust_list(0x7fc1280c99e0, 24 [pid 6837] <... clone resumed>, parent_tid=[6842], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6842 [pid 6836] <... futex resumed>) = 0 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6840] <... set_robust_list resumed>) = 0 [pid 6837] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6840] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6837] <... futex resumed>) = 0 [pid 6840] <... socket resumed>) = 3 [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6842 attached [pid 6840] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] set_robust_list(0x7fc1280c99e0, 24 [pid 6840] <... futex resumed>) = 1 [pid 6835] <... futex resumed>) = 0 [pid 6842] <... set_robust_list resumed>) = 0 [pid 6840] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] <... futex resumed>) = 0 [pid 6842] <... socket resumed>) = 3 [pid 6840] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... setsockopt resumed>) = 0 [pid 6842] <... futex resumed>) = 1 [pid 6840] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6842] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 1 [pid 6837] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6835] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] <... futex resumed>) = 0 [pid 6842] <... setsockopt resumed>) = 0 [pid 6840] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... setsockopt resumed>) = 0 [pid 6842] <... futex resumed>) = 1 [pid 6840] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6842] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 1 [pid 6837] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6835] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] <... futex resumed>) = 0 [pid 6842] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6840] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... setsockopt resumed>) = 0 [pid 6842] <... futex resumed>) = 1 [pid 6840] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6842] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 1 [pid 6837] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6835] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] <... futex resumed>) = 0 [pid 6842] <... setsockopt resumed>) = 0 [pid 6840] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... sendto resumed>) = 1 [pid 6833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6842] <... futex resumed>) = 1 [pid 6840] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6833] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 1 [pid 6837] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6833] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6835] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6842] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] <... futex resumed>) = 0 [pid 6833] <... mmap resumed>) = 0x7fc128088000 [pid 6842] <... sendto resumed>) = 1 [pid 6840] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6833] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6842] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... sendto resumed>) = 1 [pid 6834] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... mprotect resumed>) = 0 [pid 6842] <... futex resumed>) = 1 [pid 6840] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] <... futex resumed>) = 0 [pid 6834] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6833] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6842] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... futex resumed>) = 1 [pid 6837] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = 0 [pid 6834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6837] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6835] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] <... mmap resumed>) = 0x7fc128088000 [pid 6833] <... clone resumed>, parent_tid=[6843], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6843 [pid 6842] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6835] <... futex resumed>) = 0 [pid 6834] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6833] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6840] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6836] <... mmap resumed>) = 0x7fc128088000 [pid 6835] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] <... mprotect resumed>) = 0 [pid 6833] <... futex resumed>) = 0 [pid 6842] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6840] <... openat resumed>) = 4 [pid 6836] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6834] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6833] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... futex resumed>) = 1 [pid 6840] write(4, "5", 1 [pid 6837] <... futex resumed>) = 0 [pid 6836] <... mprotect resumed>) = 0 [pid 6842] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] <... write resumed>) = 1 [pid 6837] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6834] <... clone resumed>, parent_tid=[6844], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6844 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6840] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6837] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6840] <... setsockopt resumed>) = 0 [pid 6837] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6836] <... clone resumed>, parent_tid=[6845], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6845 [pid 6834] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6844 attached [pid 6842] <... openat resumed>) = 4 [pid 6840] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6845 attached [pid 6844] set_robust_list(0x7fc1280a89e0, 24 [pid 6842] write(4, "5", 1 [pid 6840] <... futex resumed>) = 1 [pid 6836] <... futex resumed>) = 0 [pid 6835] <... futex resumed>) = 0 [pid 6845] set_robust_list(0x7fc1280a89e0, 24 [pid 6844] <... set_robust_list resumed>) = 0 [pid 6842] <... write resumed>) = 1 [pid 6840] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] exit_group(0 [pid 6845] <... set_robust_list resumed>) = 0 [pid 6844] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6842] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6840] <... futex resumed>) = ? [pid 6835] <... exit_group resumed>) = ? [pid 6845] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6844] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] <... setsockopt resumed>) = 0 [pid 6840] +++ exited with 0 +++ [pid 6835] +++ exited with 0 +++ [pid 6845] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6835, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 6845] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = 1 [pid 6834] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 6844] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6844] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6836] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6846 [pid 6845] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = 1 [pid 6834] <... futex resumed>) = 0 [pid 6833] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6846 attached [pid 6845] <... futex resumed>) = 1 [pid 6844] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6846] set_robust_list(0x5555564f35e0, 24 [pid 6845] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6837] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6836] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] <... futex resumed>) = 0 [pid 6833] <... mmap resumed>) = 0x7fc128067000 [pid 6846] <... set_robust_list resumed>) = 0 [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6837] exit_group(0 [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE [pid 6846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6845] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6844] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6837] <... exit_group resumed>) = ? [pid 6836] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] <... mprotect resumed>) = 0 [pid 6846] <... prctl resumed>) = 0 [pid 6845] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6846] setpgid(0, 0 [pid 6845] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = 1 [pid 6834] <... futex resumed>) = 0 [pid 6846] <... setpgid resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 6844] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] <... clone resumed>, parent_tid=[6847], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6847 [pid 6846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6845] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] <... futex resumed>) = 0 [pid 6833] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... openat resumed>) = 3 [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6847 attached [pid 6846] write(3, "1000", 4 [pid 6845] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6844] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6836] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6847] set_robust_list(0x7fc1280879e0, 24 [pid 6846] <... write resumed>) = 4 [pid 6845] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... set_robust_list resumed>) = 0 [pid 6846] close(3 [pid 6845] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = 1 [pid 6834] <... futex resumed>) = 0 [pid 6847] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6846] <... close resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 6844] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6836] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] <... futex resumed>) = 0 [pid 6847] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6846] <... futex resumed>) = 0 [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 244.400812][ T6842] name fail_futex, interval 1, probability 0, space 0, times 0 [ 244.408888][ T6828] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 244.408907][ T6828] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 244.408920][ T6828] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 244.408935][ T6828] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 244.408949][ T6828] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 244.461971][ T6828] [ 244.469400][ T6842] CPU: 1 PID: 6842 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 244.480016][ T6842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 244.490088][ T6842] Call Trace: [ 244.493365][ T6842] [ 244.496295][ T6842] dump_stack_lvl+0xcd/0x134 [ 244.500911][ T6842] should_fail.cold+0x5/0xa [ 244.505419][ T6842] get_futex_key+0x5b2/0x1c50 [ 244.510103][ T6842] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 244.516088][ T6842] ? futex_setup_timer+0xf0/0xf0 [ 244.521037][ T6842] futex_wake+0xe4/0x490 [ 244.525301][ T6842] ? futex_wake_mark+0x1a0/0x1a0 [ 244.530245][ T6842] ? ptrace_stop.part.0+0x5ec/0xa80 [ 244.535446][ T6842] ? do_raw_spin_lock+0x120/0x2a0 [ 244.540490][ T6842] ? rwlock_bug.part.0+0x90/0x90 [ 244.545451][ T6842] ? _raw_spin_lock_irq+0x41/0x50 [ 244.550503][ T6842] do_futex+0x266/0x300 [ 244.554666][ T6842] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 244.560561][ T6842] ? find_held_lock+0x2d/0x110 [ 244.565426][ T6842] __x64_sys_futex+0x1b0/0x4a0 [ 244.570195][ T6842] ? do_futex+0x300/0x300 [ 244.574538][ T6842] ? _raw_spin_unlock_irq+0x1f/0x40 [ 244.579743][ T6842] ? lockdep_hardirqs_on+0x79/0x100 [ 244.584944][ T6842] ? _raw_spin_unlock_irq+0x2a/0x40 [ 244.590147][ T6842] ? ptrace_notify+0xfa/0x140 [ 244.594850][ T6842] do_syscall_64+0x35/0xb0 [ 244.599271][ T6842] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 244.605172][ T6842] RIP: 0033:0x7fc128117db9 [ 244.609594][ T6842] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 244.629221][ T6842] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 244.637645][ T6842] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 244.645615][ T6842] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 244.653587][ T6842] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 244.661555][ T6842] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6844] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6843 attached ./strace-static-x86_64: Process 6841 attached ./strace-static-x86_64: Process 6839 attached ./strace-static-x86_64: Process 6838 attached [pid 6847] <... futex resumed>) = 1 [pid 6846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6845] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6844] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6836] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6833] <... futex resumed>) = 0 [pid 6847] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] <... mmap resumed>) = 0x7fc1280a9000 [pid 6845] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] set_robust_list(0x7fc1280a89e0, 24 [pid 6841] set_robust_list(0x7fc1280c99e0, 24 [pid 6839] set_robust_list(0x7fc1280c99e0, 24 [pid 6838] set_robust_list(0x7fc1280c99e0, 24 [pid 6834] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6833] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6845] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = 0 [pid 6843] <... set_robust_list resumed>) = 0 [pid 6841] <... set_robust_list resumed>) = 0 [pid 6839] <... set_robust_list resumed>) = 0 [pid 6838] <... set_robust_list resumed>) = 0 [pid 6833] <... futex resumed>) = 0 [pid 6834] <... futex resumed>) = 0 [pid 6847] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6846] <... mprotect resumed>) = 0 [pid 6845] <... futex resumed>) = 1 [pid 6844] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6843] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6842] <... futex resumed>) = ? [pid 6841] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6839] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6838] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6836] <... futex resumed>) = 0 [pid 6834] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] <... futex resumed>) = ? [pid 6847] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6846] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6845] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6844] <... openat resumed>) = 3 [pid 6843] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6841] <... socket resumed>) = 3 [pid 6839] <... socket resumed>) = 4 [pid 6838] <... socket resumed>) = 3 [pid 6836] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6848 attached [pid 6847] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] write(3, "5", 1 [pid 6843] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] +++ exited with 0 +++ [pid 6841] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6839] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6837] +++ exited with 0 +++ [pid 6836] <... futex resumed>) = 0 [pid 6828] +++ exited with 0 +++ [pid 6826] +++ exited with 0 +++ [pid 6848] set_robust_list(0x7fc1280c99e0, 24 [pid 6847] <... futex resumed>) = 1 [pid 6846] <... clone resumed>, parent_tid=[6848], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6848 [pid 6845] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6844] <... write resumed>) = 1 [pid 6843] <... futex resumed>) = 0 [pid 6841] <... futex resumed>) = 0 [pid 6839] <... futex resumed>) = 0 [pid 6838] <... futex resumed>) = 0 [pid 6836] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6833] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6837, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6826, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 6848] <... set_robust_list resumed>) = 0 [pid 6847] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... openat resumed>) = 4 [pid 6844] setsockopt(4, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6843] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6841] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6839] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6833] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6846] <... futex resumed>) = 0 [pid 6845] write(4, "5", 1 [pid 6844] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6833] <... futex resumed>) = 0 [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... write resumed>) = 1 [pid 6844] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6833] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6848] <... socket resumed>) = 3 [pid 6845] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6844] <... futex resumed>) = 1 [pid 6838] <... sendto resumed>) = 1 [pid 6834] <... futex resumed>) = 0 [pid 6838] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6838] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6849 attached [pid 6849] set_robust_list(0x5555564f35e0, 24 [pid 6848] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6844] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6834] exit_group(0 [pid 6833] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6849 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6850 attached [pid 6849] <... set_robust_list resumed>) = 0 [pid 6848] <... futex resumed>) = 1 [pid 6846] <... futex resumed>) = 0 [pid 6845] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... futex resumed>) = ? [pid 6839] <... futex resumed>) = ? [pid 6834] <... exit_group resumed>) = ? [pid 6833] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6848] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... futex resumed>) = 1 [pid 6844] +++ exited with 0 +++ [pid 6839] +++ exited with 0 +++ [pid 6838] <... futex resumed>) = 0 [pid 6836] <... futex resumed>) = 0 [pid 6834] +++ exited with 0 +++ [pid 6833] <... futex resumed>) = 1 [pid 6850] set_robust_list(0x5555564f35e0, 24 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6850 [pid 6850] <... set_robust_list resumed>) = 0 [pid 6849] <... prctl resumed>) = 0 [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] <... futex resumed>) = 0 [pid 6845] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6838] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6836] exit_group(0 [pid 6833] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6849] setpgid(0, 0 [pid 6848] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... futex resumed>) = ? [pid 6841] <... futex resumed>) = ? [pid 6838] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6836] <... exit_group resumed>) = ? [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6850] <... prctl resumed>) = 0 [pid 6849] <... setpgid resumed>) = 0 [pid 6848] <... setsockopt resumed>) = 0 [pid 6845] +++ exited with 0 +++ [pid 6841] +++ exited with 0 +++ [pid 6838] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6836] +++ exited with 0 +++ [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6851 attached [pid 6850] setpgid(0, 0 [pid 6849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6848] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = 1 [pid 6833] <... futex resumed>) = 0 [pid 6850] <... setpgid resumed>) = 0 [pid 6849] <... openat resumed>) = 3 [pid 6848] <... futex resumed>) = 1 [pid 6846] <... futex resumed>) = 0 [pid 6838] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6833] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6836, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6851 [pid 6850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6849] write(3, "1000", 4 [pid 6848] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6833] <... futex resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6851] set_robust_list(0x5555564f35e0, 24 [pid 6850] <... openat resumed>) = 3 [pid 6849] <... write resumed>) = 4 [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] <... futex resumed>) = 0 [pid 6838] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6833] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... restart_syscall resumed>) = 0 [pid 6851] <... set_robust_list resumed>) = 0 [pid 6850] write(3, "1000", 4 [pid 6849] close(3 [pid 6848] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] <... openat resumed>) = 4 [pid 6850] <... write resumed>) = 4 [pid 6849] <... close resumed>) = 0 [pid 6848] <... setsockopt resumed>) = 0 [pid 6838] write(4, "5", 1 [pid 6850] close(3 [ 244.669525][ T6842] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 244.677510][ T6842] [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... write resumed>) = 1 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6850] <... close resumed>) = 0 [pid 6849] <... futex resumed>) = 0 [pid 6848] <... futex resumed>) = 1 [pid 6846] <... futex resumed>) = 0 [pid 6838] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6851] <... prctl resumed>) = 0 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6848] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6838] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6851] setpgid(0, 0 [pid 6850] <... futex resumed>) = 0 [pid 6849] <... mmap resumed>) = 0x7fc1280a9000 [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] <... futex resumed>) = 0 [pid 6838] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6852 [pid 6851] <... setpgid resumed>) = 0 [pid 6850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6849] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6848] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6838] <... futex resumed>) = 1 [pid 6833] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6852 attached [pid 6851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6850] <... mmap resumed>) = 0x7fc1280a9000 [pid 6849] <... mprotect resumed>) = 0 [pid 6848] <... setsockopt resumed>) = 0 [pid 6838] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6833] exit_group(0 [pid 6852] set_robust_list(0x5555564f35e0, 24 [pid 6851] <... openat resumed>) = 3 [pid 6850] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6849] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6848] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6847] <... futex resumed>) = ? [pid 6843] <... futex resumed>) = ? [pid 6838] <... futex resumed>) = ? [pid 6833] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6853 attached [pid 6852] <... set_robust_list resumed>) = 0 [pid 6851] write(3, "1000", 4 [pid 6850] <... mprotect resumed>) = 0 [pid 6848] <... futex resumed>) = 1 [pid 6847] +++ exited with 0 +++ [pid 6846] <... futex resumed>) = 0 [pid 6843] +++ exited with 0 +++ [pid 6853] set_robust_list(0x7fc1280c99e0, 24 [pid 6851] <... write resumed>) = 4 [pid 6849] <... clone resumed>, parent_tid=[6853], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6853 [pid 6853] <... set_robust_list resumed>) = 0 [pid 6851] close(3 [pid 6849] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6851] <... close resumed>) = 0 [pid 6850] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6849] <... futex resumed>) = 0 [pid 6848] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... socket resumed>) = 3 [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... futex resumed>) = 0 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... futex resumed>) = 0 [pid 6851] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6849] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6851] <... mmap resumed>) = 0x7fc1280a9000 [pid 6849] <... futex resumed>) = 0 [pid 6853] <... setsockopt resumed>) = 0 [pid 6851] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... mprotect resumed>) = 0 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... futex resumed>) = 0 [pid 6851] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6849] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6849] <... futex resumed>) = 0 [pid 6853] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6851] <... clone resumed>, parent_tid=[6854], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6854 [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... futex resumed>) = 0 [pid 6851] <... futex resumed>) = 0 [pid 6849] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6849] <... futex resumed>) = 0 [pid 6853] <... setsockopt resumed>) = 0 [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] <... futex resumed>) = 0 [pid 6849] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6849] <... futex resumed>) = 0 [pid 6853] <... sendto resumed>) = 1 [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6854 attached [pid 6853] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] set_robust_list(0x7fc1280c99e0, 24 [pid 6853] <... futex resumed>) = 0 [pid 6849] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... set_robust_list resumed>) = 0 [pid 6853] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6849] <... futex resumed>) = 0 [pid 6854] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6853] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... socket resumed>) = 3 [pid 6853] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... futex resumed>) = 0 [pid 6849] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = 1 [pid 6853] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6851] <... futex resumed>) = 0 [pid 6849] <... futex resumed>) = 0 [pid 6854] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6853] <... openat resumed>) = 4 [pid 6851] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6853] write(4, "5", 1 [pid 6851] <... futex resumed>) = 0 [pid 6854] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6853] <... write resumed>) = 1 [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... setsockopt resumed>) = 0 [pid 6853] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [ 244.738188][ T6838] FAULT_INJECTION: forcing a failure. [ 244.738188][ T6838] name fail_futex, interval 1, probability 0, space 0, times 0 [ 244.753459][ T6838] CPU: 1 PID: 6838 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 244.764008][ T6838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 244.774093][ T6838] Call Trace: [ 244.777396][ T6838] [ 244.780348][ T6838] dump_stack_lvl+0xcd/0x134 [pid 6854] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6853] <... setsockopt resumed>) = 0 [pid 6854] <... futex resumed>) = 1 [pid 6853] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6851] <... futex resumed>) = 0 [ 244.784973][ T6838] should_fail.cold+0x5/0xa [ 244.786614][ T6853] FAULT_INJECTION: forcing a failure. [ 244.786614][ T6853] name fail_futex, interval 1, probability 0, space 0, times 0 [ 244.789493][ T6838] get_futex_key+0x5b2/0x1c50 [ 244.789525][ T6838] ? __lock_acquire+0x163e/0x5660 [ 244.812944][ T6838] ? futex_setup_timer+0xf0/0xf0 [ 244.817900][ T6838] futex_wake+0xe4/0x490 [ 244.822151][ T6838] ? futex_wake_mark+0x1a0/0x1a0 [ 244.827096][ T6838] ? find_held_lock+0x2d/0x110 [ 244.831875][ T6838] do_futex+0x266/0x300 [ 244.836035][ T6838] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 244.841941][ T6838] mm_release+0x235/0x2c0 [ 244.846277][ T6838] do_exit+0x8a0/0x29d0 [ 244.850438][ T6838] ? find_held_lock+0x2d/0x110 [ 244.855215][ T6838] ? mm_update_next_owner+0x7a0/0x7a0 [ 244.860592][ T6838] ? lock_downgrade+0x6e0/0x6e0 [ 244.865450][ T6838] do_group_exit+0xd2/0x2f0 [ 244.869962][ T6838] get_signal+0x2542/0x2600 [ 244.874507][ T6838] ? exit_signals+0x8b0/0x8b0 [ 244.879193][ T6838] ? userns_owner+0x40/0x40 [ 244.883703][ T6838] ? __task_pid_nr_ns+0x168/0x4b0 [ 244.888733][ T6838] ? lock_downgrade+0x6e0/0x6e0 [ 244.893586][ T6838] arch_do_signal_or_restart+0x82/0x2300 [ 244.899237][ T6838] ? from_kuid_munged+0xa2/0x130 [ 244.904193][ T6838] ? find_held_lock+0x2d/0x110 [ 244.908976][ T6838] ? get_sigframe_size+0x10/0x10 [ 244.913935][ T6838] ? ptrace_notify+0xfa/0x140 [ 244.918620][ T6838] ? lock_downgrade+0x6e0/0x6e0 [ 244.923474][ T6838] ? send_sig+0xfe/0x160 [ 244.927725][ T6838] ? send_sig_info+0x140/0x140 [ 244.932492][ T6838] ? exit_to_user_mode_prepare+0x137/0x250 [ 244.938303][ T6838] exit_to_user_mode_prepare+0x15f/0x250 [ 244.943942][ T6838] syscall_exit_to_user_mode+0x19/0x50 [ 244.949409][ T6838] do_syscall_64+0x42/0xb0 [ 244.953833][ T6838] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 244.959735][ T6838] RIP: 0033:0x7fc128117db9 [ 244.964154][ T6838] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6854] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] <... futex resumed>) = 0 [ 244.983765][ T6838] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 244.992180][ T6838] RAX: fffffffffffffe00 RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 245.000154][ T6838] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04a8 [ 245.009616][ T6838] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 245.017587][ T6838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 245.025587][ T6838] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 245.033575][ T6838] [pid 6854] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6852] <... prctl resumed>) = 0 [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6849] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] <... futex resumed>) = 0 [pid 6854] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6849] exit_group(0 [pid 6838] +++ exited with 0 +++ [pid 6833] +++ exited with 0 +++ ./strace-static-x86_64: Process 6855 attached [pid 6854] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] <... exit_group resumed>) = ? [pid 6855] set_robust_list(0x7fc1280c99e0, 24 [pid 6854] <... futex resumed>) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6855] <... set_robust_list resumed>) = 0 [pid 6854] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] <... futex resumed>) = 0 [pid 6854] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... setsockopt resumed>) = 0 [pid 6854] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6854] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] <... futex resumed>) = 0 [pid 6854] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... sendto resumed>) = 1 [pid 6854] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6854] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] <... futex resumed>) = 0 [pid 6854] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6854] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6851] <... futex resumed>) = 0 [pid 6854] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6851] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6851] <... futex resumed>) = 0 [pid 6854] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6851] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... openat resumed>) = 4 [pid 6854] write(4, "5", 1) = 1 [pid 6854] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 245.045577][ T6853] CPU: 1 PID: 6853 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 245.056135][ T6853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 245.066220][ T6853] Call Trace: [ 245.069523][ T6853] [ 245.072480][ T6853] dump_stack_lvl+0xcd/0x134 [ 245.074357][ T6854] FAULT_INJECTION: forcing a failure. [ 245.074357][ T6854] name fail_futex, interval 1, probability 0, space 0, times 0 [ 245.077086][ T6853] should_fail.cold+0x5/0xa [pid 6854] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] setpgid(0, 0 [pid 6850] <... clone resumed>, parent_tid=[6855], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6855 [pid 6852] <... setpgid resumed>) = 0 [pid 6850] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = 0 [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6850] <... futex resumed>) = 1 [pid 6855] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6852] <... openat resumed>) = 3 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... socket resumed>) = 3 [pid 6852] write(3, "1000", 4 [pid 6855] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... write resumed>) = 4 [pid 6855] <... futex resumed>) = 1 [pid 6852] close(3 [pid 6850] <... futex resumed>) = 0 [pid 6855] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6852] <... close resumed>) = 0 [pid 6850] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... setsockopt resumed>) = 0 [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] <... futex resumed>) = 0 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = 0 [pid 6855] <... futex resumed>) = 1 [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6850] <... futex resumed>) = 0 [pid 6855] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... mmap resumed>) = 0x7fc1280a9000 [pid 6850] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6850] <... futex resumed>) = 0 [pid 6855] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6852] <... mprotect resumed>) = 0 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6852] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6855] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... clone resumed>, parent_tid=[6856], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6856 [pid 6850] <... futex resumed>) = 0 [pid 6855] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6850] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6851] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6850] <... futex resumed>) = 0 [pid 6855] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6851] exit_group(0 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... setsockopt resumed>) = 0 [pid 6851] <... exit_group resumed>) = ? [pid 6855] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6850] <... futex resumed>) = 0 [pid 6855] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6850] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6850] <... futex resumed>) = 0 [ 245.094376][ T6853] get_futex_key+0x5b2/0x1c50 [ 245.099112][ T6853] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 245.105115][ T6853] ? futex_setup_timer+0xf0/0xf0 [ 245.110094][ T6853] futex_wake+0xe4/0x490 [ 245.114376][ T6853] ? futex_wake_mark+0x1a0/0x1a0 [ 245.119358][ T6853] ? ptrace_stop.part.0+0x5ec/0xa80 [ 245.124594][ T6853] ? do_raw_spin_lock+0x120/0x2a0 [ 245.129646][ T6853] ? rwlock_bug.part.0+0x90/0x90 [ 245.134605][ T6853] ? _raw_spin_lock_irq+0x41/0x50 [ 245.139659][ T6853] do_futex+0x266/0x300 [pid 6855] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... sendto resumed>) = 1 [pid 6855] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6850] <... futex resumed>) = 0 [pid 6855] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6850] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6850] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6856 attached [pid 6855] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] set_robust_list(0x7fc1280c99e0, 24 [pid 6855] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6856] <... set_robust_list resumed>) = 0 [pid 6855] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6855] <... futex resumed>) = 1 [pid 6850] <... futex resumed>) = 0 [pid 6856] <... socket resumed>) = 3 [pid 6855] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6850] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6850] <... futex resumed>) = 0 [pid 6856] <... futex resumed>) = 1 [pid 6855] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6852] <... futex resumed>) = 0 [pid 6850] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] <... openat resumed>) = 4 [pid 6852] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6855] write(4, "5", 1 [pid 6852] <... futex resumed>) = 0 [pid 6856] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6855] <... write resumed>) = 1 [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... setsockopt resumed>) = 0 [pid 6855] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6856] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... setsockopt resumed>) = 0 [pid 6856] <... futex resumed>) = 1 [pid 6855] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = 0 [pid 6856] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6856] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6856] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6856] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6856] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... setsockopt resumed>) = 0 [pid 6856] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6856] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6856] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... sendto resumed>) = 1 [pid 6856] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6856] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [ 245.143833][ T6853] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 245.149744][ T6853] ? find_held_lock+0x2d/0x110 [ 245.154551][ T6853] __x64_sys_futex+0x1b0/0x4a0 [ 245.159354][ T6853] ? do_futex+0x300/0x300 [ 245.162307][ T6855] FAULT_INJECTION: forcing a failure. [ 245.162307][ T6855] name fail_futex, interval 1, probability 0, space 0, times 0 [ 245.163690][ T6853] ? _raw_spin_unlock_irq+0x1f/0x40 [ 245.181663][ T6853] ? lockdep_hardirqs_on+0x79/0x100 [ 245.186897][ T6853] ? _raw_spin_unlock_irq+0x2a/0x40 [pid 6856] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6856] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6852] <... futex resumed>) = 0 [pid 6856] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... futex resumed>) = 0 [pid 6856] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6852] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6856] <... openat resumed>) = 4 [pid 6850] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6856] write(4, "5", 1 [pid 6850] exit_group(0 [pid 6856] <... write resumed>) = 1 [pid 6850] <... exit_group resumed>) = ? [pid 6856] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6856] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 6848] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 245.192129][ T6853] ? ptrace_notify+0xfa/0x140 [ 245.196838][ T6853] do_syscall_64+0x35/0xb0 [ 245.201285][ T6853] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 245.207209][ T6853] RIP: 0033:0x7fc128117db9 [ 245.211057][ T6856] FAULT_INJECTION: forcing a failure. [ 245.211057][ T6856] name fail_futex, interval 1, probability 0, space 0, times 0 [ 245.211629][ T6853] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6848] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6852] exit_group(0) = ? [ 245.211655][ T6853] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 245.252512][ T6853] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 245.260500][ T6853] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 245.268487][ T6853] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 245.276469][ T6853] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 245.284455][ T6853] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 245.292509][ T6853] [ 245.295542][ T6855] CPU: 0 PID: 6855 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 245.306085][ T6855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 245.316141][ T6855] Call Trace: [ 245.319437][ T6855] [ 245.322372][ T6855] dump_stack_lvl+0xcd/0x134 [ 245.326979][ T6855] should_fail.cold+0x5/0xa [ 245.331492][ T6855] get_futex_key+0x5b2/0x1c50 [ 245.336172][ T6855] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 245.342165][ T6855] ? futex_setup_timer+0xf0/0xf0 [ 245.347131][ T6855] futex_wake+0xe4/0x490 [ 245.351411][ T6855] ? futex_wake_mark+0x1a0/0x1a0 [ 245.356362][ T6855] ? ptrace_stop.part.0+0x5ec/0xa80 [ 245.361572][ T6855] ? do_raw_spin_lock+0x120/0x2a0 [ 245.366606][ T6855] ? rwlock_bug.part.0+0x90/0x90 [ 245.371545][ T6855] ? _raw_spin_lock_irq+0x41/0x50 [ 245.376578][ T6855] do_futex+0x266/0x300 [ 245.380739][ T6855] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 245.386635][ T6855] ? find_held_lock+0x2d/0x110 [ 245.391414][ T6855] __x64_sys_futex+0x1b0/0x4a0 [ 245.396184][ T6855] ? do_futex+0x300/0x300 [ 245.400511][ T6855] ? _raw_spin_unlock_irq+0x1f/0x40 [ 245.405715][ T6855] ? lockdep_hardirqs_on+0x79/0x100 [ 245.410938][ T6855] ? _raw_spin_unlock_irq+0x2a/0x40 [ 245.416153][ T6855] ? ptrace_notify+0xfa/0x140 [ 245.420845][ T6855] do_syscall_64+0x35/0xb0 [ 245.425274][ T6855] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 245.431261][ T6855] RIP: 0033:0x7fc128117db9 [ 245.435682][ T6855] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 245.455292][ T6855] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 245.463705][ T6855] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 245.471678][ T6855] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 245.479648][ T6855] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 245.487617][ T6855] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6853] <... futex resumed>) = ? [ 245.495605][ T6855] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 245.503608][ T6855] [ 245.506911][ T6856] CPU: 1 PID: 6856 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 245.517440][ T6856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 245.527512][ T6856] Call Trace: [ 245.530805][ T6856] [ 245.533740][ T6856] dump_stack_lvl+0xcd/0x134 [ 245.538352][ T6856] should_fail.cold+0x5/0xa [ 245.542965][ T6856] get_futex_key+0x5b2/0x1c50 [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6853] +++ exited with 0 +++ [pid 6849] +++ exited with 0 +++ [pid 6846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6833, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 6846] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6848] <... futex resumed>) = 0 [pid 6846] <... futex resumed>) = 1 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6849, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6848] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6857 [pid 6848] <... sendto resumed>) = 1 [pid 3615] <... restart_syscall resumed>) = 0 [pid 6848] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6846] <... futex resumed>) = 0 [pid 6848] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6846] <... futex resumed>) = 0 [pid 6848] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6846] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6858 [pid 6848] <... openat resumed>) = 4 [pid 6848] write(4, "5", 1) = 1 [pid 6848] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6848] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6846] <... futex resumed>) = 0 [pid 6848] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6846] exit_group(0 [pid 6848] <... futex resumed>) = ? [ 245.547658][ T6856] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 245.553673][ T6856] ? futex_setup_timer+0xf0/0xf0 [ 245.558652][ T6856] futex_wake+0xe4/0x490 [ 245.562932][ T6856] ? futex_wake_mark+0x1a0/0x1a0 [ 245.567905][ T6856] ? ptrace_stop.part.0+0x5ec/0xa80 [ 245.573137][ T6856] ? do_raw_spin_lock+0x120/0x2a0 [ 245.578193][ T6856] ? rwlock_bug.part.0+0x90/0x90 [ 245.583146][ T6856] ? _raw_spin_lock_irq+0x41/0x50 [ 245.588196][ T6856] do_futex+0x266/0x300 [ 245.592372][ T6856] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [pid 6846] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6858 attached [pid 6848] +++ exited with 0 +++ [pid 6846] +++ exited with 0 +++ ./strace-static-x86_64: Process 6857 attached [pid 6858] set_robust_list(0x5555564f35e0, 24 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6846, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6858] <... set_robust_list resumed>) = 0 [pid 6857] set_robust_list(0x5555564f35e0, 24 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6857] <... set_robust_list resumed>) = 0 [pid 6858] <... prctl resumed>) = 0 [pid 6857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6858] setpgid(0, 0 [pid 6857] <... prctl resumed>) = 0 [pid 6858] <... setpgid resumed>) = 0 [pid 6857] setpgid(0, 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6859 [pid 6858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6857] <... setpgid resumed>) = 0 [pid 6858] <... openat resumed>) = 3 [pid 6857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6858] write(3, "1000", 4 [pid 6857] <... openat resumed>) = 3 [pid 6858] <... write resumed>) = 4 [pid 6857] write(3, "1000", 4 [pid 6858] close(3 [pid 6857] <... write resumed>) = 4 [pid 6858] <... close resumed>) = 0 [pid 6857] close(3 [pid 6858] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... close resumed>) = 0 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6857] <... futex resumed>) = 0 [pid 6858] <... mmap resumed>) = 0x7fc1280a9000 [pid 6857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6858] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6857] <... mmap resumed>) = 0x7fc1280a9000 [pid 6858] <... mprotect resumed>) = 0 [pid 6857] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6858] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6857] <... mprotect resumed>) = 0 [ 245.598289][ T6856] ? find_held_lock+0x2d/0x110 [ 245.603097][ T6856] __x64_sys_futex+0x1b0/0x4a0 [ 245.607901][ T6856] ? do_futex+0x300/0x300 [ 245.612259][ T6856] ? _raw_spin_unlock_irq+0x1f/0x40 [ 245.617493][ T6856] ? lockdep_hardirqs_on+0x79/0x100 [ 245.622726][ T6856] ? _raw_spin_unlock_irq+0x2a/0x40 [ 245.627960][ T6856] ? ptrace_notify+0xfa/0x140 [ 245.632665][ T6856] do_syscall_64+0x35/0xb0 [ 245.637107][ T6856] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 245.643031][ T6856] RIP: 0033:0x7fc128117db9 [pid 6857] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6858] <... clone resumed>, parent_tid=[6860], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6860 [pid 6858] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... clone resumed>, parent_tid=[6861], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6861 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] <... futex resumed>) = 0 [ 245.647464][ T6856] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 245.667101][ T6856] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 245.675539][ T6856] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 245.683528][ T6856] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6857] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6858] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6861 attached ./strace-static-x86_64: Process 6860 attached ./strace-static-x86_64: Process 6859 attached [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6856] <... futex resumed>) = ? [pid 6855] <... futex resumed>) = ? [pid 6858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6857] <... futex resumed>) = 0 [pid 6858] <... mmap resumed>) = 0x7fc128088000 [pid 6857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6858] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6857] <... mmap resumed>) = 0x7fc128088000 [pid 6858] <... mprotect resumed>) = 0 [pid 6857] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6858] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6857] <... mprotect resumed>) = 0 [pid 6857] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6858] <... clone resumed>, parent_tid=[6862], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6862 [pid 6858] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... clone resumed>, parent_tid=[6863], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6863 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] <... futex resumed>) = 0 [ 245.691510][ T6856] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 245.699496][ T6856] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 245.707486][ T6856] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 245.715495][ T6856] [ 245.719639][ T6854] CPU: 1 PID: 6854 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 245.730174][ T6854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 245.740249][ T6854] Call Trace: [ 245.743540][ T6854] [pid 6857] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6863 attached ./strace-static-x86_64: Process 6862 attached [pid 6863] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 6862] set_robust_list(0x7fc1280a89e0, 24 [pid 6863] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6862] <... set_robust_list resumed>) = 0 [pid 6863] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6862] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6863] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6863] <... futex resumed>) = 1 [pid 6862] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6863] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6863] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6862] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6858] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6856] +++ exited with 0 +++ [pid 6852] +++ exited with 0 +++ [pid 6863] <... futex resumed>) = 1 [pid 6862] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6863] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6852, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6863] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [ 245.746485][ T6854] dump_stack_lvl+0xcd/0x134 [ 245.751110][ T6854] should_fail.cold+0x5/0xa [ 245.755641][ T6854] get_futex_key+0x5b2/0x1c50 [ 245.760342][ T6854] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 245.766351][ T6854] ? futex_setup_timer+0xf0/0xf0 [ 245.771326][ T6854] futex_wake+0xe4/0x490 [ 245.775599][ T6854] ? futex_wake_mark+0x1a0/0x1a0 [ 245.780561][ T6854] ? ptrace_stop.part.0+0x5ec/0xa80 [ 245.785787][ T6854] ? do_raw_spin_lock+0x120/0x2a0 [ 245.790847][ T6854] ? rwlock_bug.part.0+0x90/0x90 [pid 6857] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6862] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6858] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6864 [pid 6863] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6863] <... futex resumed>) = 1 [pid 6862] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6864 attached [pid 6863] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] set_robust_list(0x5555564f35e0, 24 [pid 6863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6864] <... set_robust_list resumed>) = 0 [pid 6863] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6863] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6862] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6858] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] <... prctl resumed>) = 0 [pid 6863] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] setpgid(0, 0 [pid 6863] <... futex resumed>) = 1 [pid 6862] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6864] <... setpgid resumed>) = 0 [pid 6863] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6864] <... openat resumed>) = 3 [pid 6863] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] write(3, "1000", 4 [pid 6863] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6862] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6858] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] <... write resumed>) = 4 [pid 6863] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] close(3 [pid 6863] <... futex resumed>) = 1 [pid 6862] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6864] <... close resumed>) = 0 [pid 6863] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6858] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6864] <... futex resumed>) = 0 [pid 6863] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] <... futex resumed>) = 0 [pid 6857] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6863] <... openat resumed>) = 3 [pid 6862] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6858] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6864] <... mmap resumed>) = 0x7fc1280a9000 [pid 6863] write(3, "5", 1 [pid 6862] <... openat resumed>) = 3 [ 245.795799][ T6854] ? _raw_spin_lock_irq+0x41/0x50 [ 245.800892][ T6854] do_futex+0x266/0x300 [ 245.805074][ T6854] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 245.810995][ T6854] ? find_held_lock+0x2d/0x110 [ 245.815802][ T6854] __x64_sys_futex+0x1b0/0x4a0 [ 245.820604][ T6854] ? do_futex+0x300/0x300 [ 245.824959][ T6854] ? _raw_spin_unlock_irq+0x1f/0x40 [ 245.830186][ T6854] ? lockdep_hardirqs_on+0x79/0x100 [ 245.835422][ T6854] ? _raw_spin_unlock_irq+0x2a/0x40 [ 245.840642][ T6854] ? ptrace_notify+0xfa/0x140 [pid 6864] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6863] <... write resumed>) = 1 [pid 6862] write(3, "5", 1 [pid 6864] <... mprotect resumed>) = 0 [pid 6863] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6862] <... write resumed>) = 1 [pid 6864] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6863] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6862] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6863] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] <... clone resumed>, parent_tid=[6865], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6865 [pid 6863] <... futex resumed>) = 1 [pid 6862] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... futex resumed>) = 0 [pid 6864] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6863] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6862] <... futex resumed>) = 1 [pid 6858] <... futex resumed>) = 0 [pid 6864] <... futex resumed>) = 0 [pid 6862] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6865 attached [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6865] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6865] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6864] <... futex resumed>) = 0 [pid 6865] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = 0 [pid 6865] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... setsockopt resumed>) = 0 [pid 6865] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6864] <... futex resumed>) = 0 [pid 6865] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = 0 [pid 6865] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... setsockopt resumed>) = 0 [pid 6865] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6864] <... futex resumed>) = 0 [pid 6865] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = 0 [pid 6865] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... setsockopt resumed>) = 0 [pid 6865] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 245.845343][ T6854] do_syscall_64+0x35/0xb0 [ 245.849791][ T6854] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 245.855719][ T6854] RIP: 0033:0x7fc128117db9 [ 245.860153][ T6854] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 245.879792][ T6854] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 245.888244][ T6854] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6864] <... futex resumed>) = 0 [pid 6865] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = 0 [pid 6865] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... sendto resumed>) = 1 [pid 6865] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6864] <... futex resumed>) = 0 [pid 6865] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... futex resumed>) = 0 [pid 6865] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6865] <... sendto resumed>) = 1 [pid 6861] set_robust_list(0x7fc1280c99e0, 24 [pid 6860] set_robust_list(0x7fc1280c99e0, 24 [pid 6859] set_robust_list(0x5555564f35e0, 24 [pid 6855] +++ exited with 0 +++ [pid 6854] <... futex resumed>) = ? [pid 6850] +++ exited with 0 +++ [pid 6861] <... set_robust_list resumed>) = 0 [pid 6860] <... set_robust_list resumed>) = 0 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6865] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6861] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6860] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6854] +++ exited with 0 +++ [pid 6851] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6850, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6861] <... socket resumed>) = 4 [pid 6860] <... socket resumed>) = 4 [pid 6859] <... prctl resumed>) = 0 [pid 6861] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6860] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] setpgid(0, 0 [pid 6861] <... futex resumed>) = 0 [pid 6860] <... futex resumed>) = 0 [pid 6859] <... setpgid resumed>) = 0 [pid 6861] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6860] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6865] <... futex resumed>) = 1 [pid 6859] write(3, "1000", 4) = 4 [pid 6858] exit_group(0 [pid 6864] <... futex resumed>) = 0 [ 245.896238][ T6854] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 245.904231][ T6854] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 245.912214][ T6854] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 245.920203][ T6854] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 245.928210][ T6854] [ 245.942956][ T6862] FAULT_INJECTION: forcing a failure. [pid 6859] close(3 [pid 6865] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6864] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] <... futex resumed>) = ? [pid 6860] <... futex resumed>) = ? [pid 6859] <... close resumed>) = 0 [pid 6858] <... exit_group resumed>) = ? [pid 6857] exit_group(0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6851, si_uid=0, si_status=0, si_utime=0, si_stime=32} --- [pid 6865] <... openat resumed>) = 4 [pid 6860] +++ exited with 0 +++ [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6859] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6859] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6866], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6866 [pid 6859] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6866 attached [pid 6866] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6866] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6866] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6859] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 1 [pid 6866] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6866] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6859] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 1 [pid 6866] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 6866] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6859] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 1 [pid 6866] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 6866] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6859] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 1 [pid 6866] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 6866] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6859] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 1 [pid 6866] sendto(3, "\x01", 1, 0, NULL, 0) = -1 ECONNREFUSED (Connection refused) [pid 6866] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6859] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6859] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... futex resumed>) = 1 [pid 6866] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 6866] write(4, "5", 1) = 1 [pid 6866] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 245.942956][ T6862] name fail_futex, interval 1, probability 0, space 0, times 0 [ 245.954673][ T6866] FAULT_INJECTION: forcing a failure. [ 245.954673][ T6866] name fail_futex, interval 1, probability 0, space 0, times 0 [ 245.964302][ T6862] CPU: 0 PID: 6862 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 245.979084][ T6862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 245.989152][ T6862] Call Trace: [ 245.992431][ T6862] [ 245.995365][ T6862] dump_stack_lvl+0xcd/0x134 [pid 6866] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6865] write(4, "5", 1 [pid 6864] <... futex resumed>) = 0 [pid 6863] <... futex resumed>) = ? [pid 6861] <... futex resumed>) = ? [pid 6857] <... exit_group resumed>) = ? [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6861] +++ exited with 0 +++ [pid 6859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6859] exit_group(0) = ? [pid 6865] <... write resumed>) = 1 [pid 6864] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6863] +++ exited with 0 +++ [pid 6857] +++ exited with 0 +++ [pid 6865] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6857, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6865] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 6865] <... futex resumed>) = 1 [pid 6864] <... futex resumed>) = 0 [pid 3614] <... restart_syscall resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6867 [pid 6865] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] exit_group(0 [pid 6865] <... futex resumed>) = ? [pid 6864] <... exit_group resumed>) = ? [pid 6865] +++ exited with 0 +++ [pid 6864] +++ exited with 0 +++ [ 245.999970][ T6862] should_fail.cold+0x5/0xa [ 246.004487][ T6862] get_futex_key+0x11d2/0x1c50 [ 246.009274][ T6862] ? futex_setup_timer+0xf0/0xf0 [ 246.014231][ T6862] futex_wake+0xe4/0x490 [ 246.018502][ T6862] ? futex_wake_mark+0x1a0/0x1a0 [ 246.023476][ T6862] ? find_held_lock+0x2d/0x110 [ 246.028278][ T6862] do_futex+0x266/0x300 [ 246.032480][ T6862] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 246.038420][ T6862] mm_release+0x235/0x2c0 [ 246.042781][ T6862] do_exit+0x8a0/0x29d0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6864, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6868 [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6869 ./strace-static-x86_64: Process 6869 attached [pid 6869] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6869] setpgid(0, 0) = 0 [pid 6869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6869] write(3, "1000", 4) = 4 [ 246.046961][ T6862] ? find_held_lock+0x2d/0x110 [ 246.051746][ T6862] ? mm_update_next_owner+0x7a0/0x7a0 [ 246.057138][ T6862] ? lock_downgrade+0x6e0/0x6e0 [ 246.062022][ T6862] do_group_exit+0xd2/0x2f0 [ 246.066562][ T6862] get_signal+0x2542/0x2600 [ 246.071104][ T6862] ? exit_signals+0x8b0/0x8b0 [ 246.075801][ T6862] ? userns_owner+0x40/0x40 [ 246.080335][ T6862] ? __task_pid_nr_ns+0x168/0x4b0 [ 246.085378][ T6862] ? lock_downgrade+0x6e0/0x6e0 [ 246.090252][ T6862] arch_do_signal_or_restart+0x82/0x2300 [ 246.095917][ T6862] ? from_kuid_munged+0xa2/0x130 [ 246.100882][ T6862] ? find_held_lock+0x2d/0x110 [ 246.105695][ T6862] ? get_sigframe_size+0x10/0x10 [ 246.110658][ T6862] ? ptrace_notify+0xfa/0x140 [ 246.115357][ T6862] ? lock_downgrade+0x6e0/0x6e0 [ 246.120235][ T6862] ? send_sig+0xfe/0x160 [ 246.124497][ T6862] ? send_sig_info+0x140/0x140 [ 246.129277][ T6862] ? exit_to_user_mode_prepare+0x137/0x250 [ 246.135103][ T6862] exit_to_user_mode_prepare+0x15f/0x250 [ 246.140761][ T6862] syscall_exit_to_user_mode+0x19/0x50 [ 246.146277][ T6862] do_syscall_64+0x42/0xb0 [ 246.150719][ T6862] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 246.156638][ T6862] RIP: 0033:0x7fc128117db9 [ 246.161059][ T6862] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 246.180715][ T6862] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 246.189158][ T6862] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [pid 6869] close(3) = 0 [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6869] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6869] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6870], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6870 [pid 6869] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6870 attached [pid 6870] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6870] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6870] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6870] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6870] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... setsockopt resumed>) = 0 [pid 6870] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6870] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6870] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... setsockopt resumed>) = 0 [pid 6870] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6870] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6870] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... setsockopt resumed>) = 0 [pid 6870] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6870] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6870] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... sendto resumed>) = 1 [pid 6870] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6871 [pid 6870] <... futex resumed>) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6870] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6870] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... sendto resumed>) = 1 [pid 6870] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6870] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... futex resumed>) = 0 [pid 6870] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6869] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] <... openat resumed>) = 4 [pid 6870] write(4, "5", 1) = 1 [pid 6870] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6870] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6869] <... futex resumed>) = 0 [pid 6870] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6869] exit_group(0 [pid 6870] <... futex resumed>) = ? [pid 6869] <... exit_group resumed>) = ? [pid 6870] +++ exited with 0 +++ [pid 6869] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6869, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6872 ./strace-static-x86_64: Process 6872 attached [pid 6872] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6872] setpgid(0, 0) = 0 [pid 6872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6867 attached [pid 6872] write(3, "1000", 4) = 4 [pid 6867] set_robust_list(0x5555564f35e0, 24 [pid 6872] close(3 [pid 6867] <... set_robust_list resumed>) = 0 [pid 6872] <... close resumed>) = 0 [pid 6867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... prctl resumed>) = 0 [pid 6872] <... futex resumed>) = 0 [pid 6867] setpgid(0, 0 [pid 6872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6867] <... setpgid resumed>) = 0 [pid 6872] <... mmap resumed>) = 0x7fc1280a9000 [pid 6867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6872] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6867] <... openat resumed>) = 3 [pid 6872] <... mprotect resumed>) = 0 [pid 6867] write(3, "1000", 4 [pid 6872] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6867] <... write resumed>) = 4 [pid 6867] close(3 [pid 6872] <... clone resumed>, parent_tid=[6873], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6873 [pid 6867] <... close resumed>) = 0 [pid 6872] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6872] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6867] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6867] clone(child_stack=0x7fc1280c93f0, 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 6873 attached , parent_tid=[6874], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6874 [pid 6873] set_robust_list(0x7fc1280c99e0, 24 [pid 6867] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... set_robust_list resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6873] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6867] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... socket resumed>) = 3 [pid 6873] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6872] <... futex resumed>) = 0 [pid 6873] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6872] <... futex resumed>) = 0 [pid 6873] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... setsockopt resumed>) = 0 [pid 6873] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6872] <... futex resumed>) = 0 [pid 6873] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6872] <... futex resumed>) = 0 [pid 6873] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... setsockopt resumed>) = 0 [pid 6873] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6872] <... futex resumed>) = 0 [pid 6873] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6872] <... futex resumed>) = 0 [pid 6873] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6873] <... setsockopt resumed>) = 0 [pid 6873] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6872] <... futex resumed>) = 0 [pid 6873] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6872] <... futex resumed>) = 0 [pid 6873] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6874 attached ./strace-static-x86_64: Process 6871 attached ./strace-static-x86_64: Process 6868 attached [pid 6873] <... sendto resumed>) = 1 [pid 6867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6874] set_robust_list(0x7fc1280c99e0, 24 [pid 6873] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] set_robust_list(0x5555564f35e0, 24 [pid 6868] set_robust_list(0x5555564f35e0, 24 [pid 6867] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... set_robust_list resumed>) = 0 [pid 6873] <... futex resumed>) = 1 [pid 6872] <... futex resumed>) = 0 [pid 6871] <... set_robust_list resumed>) = 0 [pid 6868] <... set_robust_list resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6874] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6873] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6874] <... socket resumed>) = 3 [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6872] <... futex resumed>) = 0 [pid 6871] <... prctl resumed>) = 0 [pid 6868] <... prctl resumed>) = 0 [pid 6867] <... mmap resumed>) = 0x7fc128088000 [pid 6874] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] setpgid(0, 0 [pid 6868] setpgid(0, 0 [pid 6867] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6874] <... futex resumed>) = 0 [pid 6873] <... sendto resumed>) = 1 [pid 6871] <... setpgid resumed>) = 0 [pid 6868] <... setpgid resumed>) = 0 [pid 6867] <... mprotect resumed>) = 0 [pid 6874] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6867] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6873] <... futex resumed>) = 1 [pid 6872] <... futex resumed>) = 0 [pid 6871] <... openat resumed>) = 3 [pid 6868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6873] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] write(3, "1000", 4 [pid 6868] <... openat resumed>) = 3 [pid 6867] <... clone resumed>, parent_tid=[6875], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6875 [ 246.197153][ T6862] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 246.205144][ T6862] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 246.213132][ T6862] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 246.221121][ T6862] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 246.229154][ T6862] [ 246.274698][ T6866] CPU: 1 PID: 6866 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 246.285251][ T6866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 246.295346][ T6866] Call Trace: [ 246.298631][ T6866] [ 246.301574][ T6866] dump_stack_lvl+0xcd/0x134 [ 246.306201][ T6866] should_fail.cold+0x5/0xa [ 246.310762][ T6866] get_futex_key+0x5b2/0x1c50 [ 246.315466][ T6866] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 246.321476][ T6866] ? futex_setup_timer+0xf0/0xf0 [ 246.326446][ T6866] futex_wake+0xe4/0x490 [ 246.330715][ T6866] ? futex_wake_mark+0x1a0/0x1a0 [ 246.335676][ T6866] ? ptrace_stop.part.0+0x5ec/0xa80 [ 246.340894][ T6866] ? do_raw_spin_lock+0x120/0x2a0 [ 246.345939][ T6866] ? rwlock_bug.part.0+0x90/0x90 [ 246.350905][ T6866] ? _raw_spin_lock_irq+0x41/0x50 [ 246.355986][ T6866] do_futex+0x266/0x300 [ 246.360159][ T6866] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 246.366071][ T6866] ? find_held_lock+0x2d/0x110 [ 246.370867][ T6866] __x64_sys_futex+0x1b0/0x4a0 [ 246.375646][ T6866] ? do_futex+0x300/0x300 [ 246.379979][ T6866] ? _raw_spin_unlock_irq+0x1f/0x40 [ 246.385183][ T6866] ? lockdep_hardirqs_on+0x79/0x100 [ 246.390400][ T6866] ? _raw_spin_unlock_irq+0x2a/0x40 [ 246.395603][ T6866] ? ptrace_notify+0xfa/0x140 [ 246.400289][ T6866] do_syscall_64+0x35/0xb0 [ 246.404712][ T6866] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 246.410618][ T6866] RIP: 0033:0x7fc128117db9 [ 246.415033][ T6866] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 246.434643][ T6866] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 246.443055][ T6866] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 246.451025][ T6866] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 246.458994][ T6866] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 246.466960][ T6866] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 ./strace-static-x86_64: Process 6875 attached [pid 6873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6872] <... futex resumed>) = 0 [pid 6871] <... write resumed>) = 4 [pid 6868] write(3, "1000", 4 [pid 6867] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] set_robust_list(0x7fc1280a89e0, 24 [pid 6873] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6872] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] close(3 [pid 6868] <... write resumed>) = 4 [pid 6867] <... futex resumed>) = 0 [pid 6875] <... set_robust_list resumed>) = 0 [pid 6873] <... openat resumed>) = 4 [pid 6871] <... close resumed>) = 0 [pid 6868] close(3 [pid 6867] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6875] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6873] write(4, "5", 1 [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... close resumed>) = 0 [pid 6875] <... setsockopt resumed>) = 0 [pid 6873] <... write resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6868] <... futex resumed>) = 0 [pid 6875] <... futex resumed>) = 1 [pid 6873] <... setsockopt resumed>) = 0 [pid 6871] <... mmap resumed>) = 0x7fc1280a9000 [pid 6868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6867] <... futex resumed>) = 0 [pid 6875] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6868] <... mmap resumed>) = 0x7fc1280a9000 [pid 6867] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... futex resumed>) = 0 [pid 6873] <... futex resumed>) = 1 [pid 6872] <... futex resumed>) = 0 [pid 6871] <... mprotect resumed>) = 0 [pid 6868] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6867] <... futex resumed>) = 1 [pid 6874] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6873] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6872] exit_group(0 [pid 6871] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6868] <... mprotect resumed>) = 0 [pid 6867] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6874] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6873] <... futex resumed>) = ? [pid 6872] <... exit_group resumed>) = ? [pid 6868] clone(child_stack=0x7fc1280c93f0, 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 6876 attached [pid 6874] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] +++ exited with 0 +++ [pid 6872] +++ exited with 0 +++ [pid 6871] <... clone resumed>, parent_tid=[6876], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6876 ./strace-static-x86_64: Process 6877 attached [pid 6876] set_robust_list(0x7fc1280c99e0, 24 [pid 6874] <... futex resumed>) = 1 [pid 6871] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... clone resumed>, parent_tid=[6877], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6877 [pid 6867] <... futex resumed>) = 0 [pid 6877] set_robust_list(0x7fc1280c99e0, 24 [pid 6876] <... set_robust_list resumed>) = 0 [pid 6874] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6872, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6877] <... set_robust_list resumed>) = 0 [pid 6876] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6868] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6877] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6876] <... socket resumed>) = 3 [pid 6874] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... restart_syscall resumed>) = 0 [pid 6877] <... socket resumed>) = 3 [pid 6876] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... setsockopt resumed>) = 0 [pid 6877] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = 1 [pid 6874] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... futex resumed>) = 0 [pid 6877] <... futex resumed>) = 1 [pid 6876] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] <... futex resumed>) = 1 [pid 6871] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6877] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6868] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6878 [pid 6877] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6876] <... setsockopt resumed>) = 0 [pid 6874] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 246.474927][ T6866] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 246.482919][ T6866] [pid 6867] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6878 attached [pid 6877] <... setsockopt resumed>) = 0 [pid 6876] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] set_robust_list(0x5555564f35e0, 24 [pid 6877] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] <... sendto resumed>) = 1 [pid 6876] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6878] <... set_robust_list resumed>) = 0 [pid 6877] <... futex resumed>) = 1 [pid 6876] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6877] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = 0 [pid 6878] <... prctl resumed>) = 0 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6874] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6868] <... futex resumed>) = 0 [pid 6867] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] setpgid(0, 0 [pid 6877] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6876] <... setsockopt resumed>) = 0 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... futex resumed>) = 0 [pid 6878] <... setpgid resumed>) = 0 [pid 6877] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6876] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6867] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6877] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = 1 [pid 6874] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6871] <... futex resumed>) = 0 [pid 6878] <... openat resumed>) = 3 [pid 6877] <... futex resumed>) = 1 [pid 6876] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6878] write(3, "1000", 4 [pid 6877] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] <... futex resumed>) = 0 [pid 6878] <... write resumed>) = 4 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6874] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6868] <... futex resumed>) = 0 [pid 6867] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] close(3 [pid 6877] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6876] <... setsockopt resumed>) = 0 [pid 6874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] <... futex resumed>) = 0 [pid 6878] <... close resumed>) = 0 [pid 6877] <... setsockopt resumed>) = 0 [pid 6876] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6867] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... futex resumed>) = 1 [pid 6874] <... openat resumed>) = 4 [pid 6871] <... futex resumed>) = 0 [pid 6878] <... futex resumed>) = 0 [pid 6877] <... futex resumed>) = 1 [pid 6876] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6874] write(4, "5", 1 [pid 6871] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6877] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6874] <... write resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] <... mmap resumed>) = 0x7fc1280a9000 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6874] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6868] <... futex resumed>) = 0 [pid 6878] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6877] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6878] <... mprotect resumed>) = 0 [pid 6878] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6874] <... setsockopt resumed>) = 0 [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] <... clone resumed>, parent_tid=[6879], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6879 [pid 6877] <... sendto resumed>) = 1 [pid 6874] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6876] <... sendto resumed>) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6879 attached [pid 6879] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6879] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6879] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6879] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 0 [pid 6879] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... setsockopt resumed>) = 0 [pid 6879] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... futex resumed>) = 1 [pid 6876] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6879] <... futex resumed>) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6877] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] <... futex resumed>) = 1 [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] <... futex resumed>) = 0 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 0 [pid 6877] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 0 [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6876] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6877] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6879] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 0 [pid 6879] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... setsockopt resumed>) = 0 [pid 6879] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6879] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 0 [pid 6879] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... sendto resumed>) = 1 [pid 6879] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6879] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 0 [pid 6879] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6879] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6878] <... futex resumed>) = 0 [pid 6879] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6878] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... futex resumed>) = 0 [pid 6879] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [ 246.577429][ T6874] FAULT_INJECTION: forcing a failure. [ 246.577429][ T6874] name fail_futex, interval 1, probability 0, space 0, times 0 [ 246.600979][ T6874] CPU: 0 PID: 6874 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 246.611542][ T6874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 246.621628][ T6874] Call Trace: [ 246.624940][ T6874] [pid 6878] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] <... openat resumed>) = 4 [pid 6879] write(4, "5", 1) = 1 [pid 6879] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 246.627892][ T6874] dump_stack_lvl+0xcd/0x134 [ 246.631097][ T6879] FAULT_INJECTION: forcing a failure. [ 246.631097][ T6879] name fail_futex, interval 1, probability 0, space 0, times 0 [ 246.632499][ T6874] should_fail.cold+0x5/0xa [ 246.649781][ T6874] get_futex_key+0x5b2/0x1c50 [ 246.654487][ T6874] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 246.660492][ T6874] ? futex_setup_timer+0xf0/0xf0 [ 246.665469][ T6874] futex_wake+0xe4/0x490 [ 246.669732][ T6874] ? futex_wake_mark+0x1a0/0x1a0 [ 246.674679][ T6874] ? ptrace_stop.part.0+0x5ec/0xa80 [ 246.679897][ T6874] ? do_raw_spin_lock+0x120/0x2a0 [ 246.684948][ T6874] ? rwlock_bug.part.0+0x90/0x90 [ 246.689905][ T6874] ? _raw_spin_lock_irq+0x41/0x50 [ 246.694963][ T6874] do_futex+0x266/0x300 [ 246.699147][ T6874] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 246.705059][ T6874] ? find_held_lock+0x2d/0x110 [ 246.709846][ T6874] __x64_sys_futex+0x1b0/0x4a0 [ 246.714629][ T6874] ? do_futex+0x300/0x300 [ 246.718977][ T6874] ? _raw_spin_unlock_irq+0x1f/0x40 [ 246.724199][ T6874] ? lockdep_hardirqs_on+0x79/0x100 [ 246.729416][ T6874] ? _raw_spin_unlock_irq+0x2a/0x40 [ 246.734638][ T6874] ? ptrace_notify+0xfa/0x140 [ 246.739335][ T6874] do_syscall_64+0x35/0xb0 [ 246.743767][ T6874] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 246.749678][ T6874] RIP: 0033:0x7fc128117db9 [ 246.754104][ T6874] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6879] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6878] exit_group(0) = ? [pid 6877] <... futex resumed>) = 1 [pid 6876] <... sendto resumed>) = 1 [pid 6868] <... futex resumed>) = 0 [pid 6867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6877] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6876] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] exit_group(0 [pid 6877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6876] <... futex resumed>) = 1 [pid 6875] <... futex resumed>) = ? [pid 6871] <... futex resumed>) = 0 [pid 6868] <... futex resumed>) = 0 [pid 6867] <... exit_group resumed>) = ? [pid 6877] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6876] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] +++ exited with 0 +++ [pid 6871] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6868] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] <... openat resumed>) = 4 [pid 6876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... futex resumed>) = 0 [pid 6877] write(4, "5", 1 [pid 6876] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6871] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6877] <... write resumed>) = 1 [pid 6876] <... openat resumed>) = 4 [pid 6877] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6876] write(4, "5", 1 [pid 6877] <... setsockopt resumed>) = 0 [pid 6876] <... write resumed>) = 1 [pid 6877] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 246.773723][ T6874] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 246.782150][ T6874] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 246.790135][ T6874] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 246.798122][ T6874] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 246.806109][ T6874] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 246.814097][ T6874] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 246.822108][ T6874] [ 246.846052][ T6877] FAULT_INJECTION: forcing a failure. [ 246.846052][ T6877] name fail_futex, interval 1, probability 0, space 0, times 0 [ 246.846565][ T6879] CPU: 1 PID: 6879 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 246.869361][ T6879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 246.879438][ T6879] Call Trace: [ 246.882721][ T6879] [ 246.885660][ T6879] dump_stack_lvl+0xcd/0x134 [ 246.890286][ T6879] should_fail.cold+0x5/0xa [ 246.894810][ T6879] get_futex_key+0x5b2/0x1c50 [ 246.899493][ T6879] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 246.905490][ T6879] ? futex_setup_timer+0xf0/0xf0 [ 246.910455][ T6879] futex_wake+0xe4/0x490 [ 246.914710][ T6879] ? futex_wake_mark+0x1a0/0x1a0 [ 246.919649][ T6879] ? ptrace_stop.part.0+0x5ec/0xa80 [ 246.924853][ T6879] ? do_raw_spin_lock+0x120/0x2a0 [ 246.929879][ T6879] ? rwlock_bug.part.0+0x90/0x90 [ 246.934818][ T6879] ? _raw_spin_lock_irq+0x41/0x50 [ 246.939849][ T6879] do_futex+0x266/0x300 [ 246.944018][ T6879] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 246.949909][ T6879] ? find_held_lock+0x2d/0x110 [ 246.954682][ T6879] __x64_sys_futex+0x1b0/0x4a0 [ 246.959450][ T6879] ? do_futex+0x300/0x300 [ 246.963779][ T6879] ? _raw_spin_unlock_irq+0x1f/0x40 [ 246.968983][ T6879] ? lockdep_hardirqs_on+0x79/0x100 [ 246.974195][ T6879] ? _raw_spin_unlock_irq+0x2a/0x40 [ 246.979396][ T6879] ? ptrace_notify+0xfa/0x140 [ 246.984075][ T6879] do_syscall_64+0x35/0xb0 [ 246.988491][ T6879] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 246.994389][ T6879] RIP: 0033:0x7fc128117db9 [ 246.998804][ T6879] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 247.018409][ T6879] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 247.026843][ T6879] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 247.034815][ T6879] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6876] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6871] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6868] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6876] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6862] +++ exited with 0 +++ [pid 6858] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6858, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 3615] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6880 ./strace-static-x86_64: Process 6880 attached [pid 6880] set_robust_list(0x5555564f35e0, 24) = 0 [ 247.042786][ T6879] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 247.050754][ T6879] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 247.058726][ T6879] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 247.066711][ T6879] [ 247.073906][ T6877] CPU: 0 PID: 6877 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 247.084451][ T6877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6880] setpgid(0, 0) = 0 [pid 6880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6880] write(3, "1000", 4) = 4 [pid 6880] close(3) = 0 [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6880] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6880] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6880] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6881], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6881 [pid 6880] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6881 attached [pid 6881] set_robust_list(0x7fc1280c99e0, 24) = 0 [ 247.094535][ T6877] Call Trace: [ 247.097834][ T6877] [ 247.100793][ T6877] dump_stack_lvl+0xcd/0x134 [ 247.105420][ T6877] should_fail.cold+0x5/0xa [ 247.109968][ T6877] get_futex_key+0x5b2/0x1c50 [ 247.114671][ T6877] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 247.120687][ T6877] ? futex_setup_timer+0xf0/0xf0 [ 247.125664][ T6877] futex_wake+0xe4/0x490 [ 247.129939][ T6877] ? futex_wake_mark+0x1a0/0x1a0 [ 247.134910][ T6877] ? ptrace_stop.part.0+0x5ec/0xa80 [ 247.140139][ T6877] ? do_raw_spin_lock+0x120/0x2a0 [ 247.145193][ T6877] ? rwlock_bug.part.0+0x90/0x90 [ 247.150155][ T6877] ? _raw_spin_lock_irq+0x41/0x50 [ 247.155212][ T6877] do_futex+0x266/0x300 [ 247.158061][ T6881] FAULT_INJECTION: forcing a failure. [ 247.158061][ T6881] name fail_futex, interval 1, probability 0, space 0, times 0 [ 247.159378][ T6877] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 247.178036][ T6877] ? find_held_lock+0x2d/0x110 [ 247.182838][ T6877] __x64_sys_futex+0x1b0/0x4a0 [ 247.187633][ T6877] ? do_futex+0x300/0x300 [ 247.191973][ T6877] ? _raw_spin_unlock_irq+0x1f/0x40 [ 247.197205][ T6877] ? lockdep_hardirqs_on+0x79/0x100 [ 247.202445][ T6877] ? _raw_spin_unlock_irq+0x2a/0x40 [ 247.207671][ T6877] ? ptrace_notify+0xfa/0x140 [ 247.212375][ T6877] do_syscall_64+0x35/0xb0 [ 247.216818][ T6877] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 247.222751][ T6877] RIP: 0033:0x7fc128117db9 [ 247.227196][ T6877] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 247.247007][ T6877] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 247.255433][ T6877] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 247.263425][ T6877] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 247.271422][ T6877] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 247.279420][ T6877] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 247.287412][ T6877] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6881] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6881] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] <... futex resumed>) = 0 [pid 6881] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6880] <... futex resumed>) = 0 [pid 6881] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... setsockopt resumed>) = 0 [pid 6881] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] <... futex resumed>) = 0 [pid 6881] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6880] <... futex resumed>) = 0 [pid 6881] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6881] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] <... futex resumed>) = 0 [pid 6881] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6880] <... futex resumed>) = 0 [pid 6881] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... setsockopt resumed>) = 0 [pid 6881] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] <... futex resumed>) = 0 [pid 6881] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6880] <... futex resumed>) = 0 [pid 6881] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... sendto resumed>) = 1 [pid 6881] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] <... futex resumed>) = 0 [pid 6881] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6880] <... futex resumed>) = 0 [pid 6881] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6881] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6880] <... futex resumed>) = 0 [pid 6881] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6880] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6880] <... futex resumed>) = 0 [pid 6881] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6880] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] <... openat resumed>) = 4 [pid 6881] write(4, "5", 1) = 1 [pid 6881] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6881] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6880] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6880] exit_group(0) = ? [pid 6866] <... futex resumed>) = ? [pid 6866] +++ exited with 0 +++ [pid 6859] +++ exited with 0 +++ [pid 6871] exit_group(0 [pid 6868] exit_group(0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6859, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 6876] <... futex resumed>) = ? [pid 6871] <... exit_group resumed>) = ? [pid 6868] <... exit_group resumed>) = ? [pid 6876] +++ exited with 0 +++ [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6871] +++ exited with 0 +++ [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6882 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6871, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6882 attached [pid 6882] set_robust_list(0x5555564f35e0, 24 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6883 [pid 6882] <... set_robust_list resumed>) = 0 [pid 6882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6882] setpgid(0, 0) = 0 [pid 6882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6882] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6883 attached [ 247.295421][ T6877] [ 247.325314][ T6881] CPU: 1 PID: 6881 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 247.335878][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 247.345971][ T6881] Call Trace: [ 247.349266][ T6881] [ 247.352211][ T6881] dump_stack_lvl+0xcd/0x134 [ 247.356836][ T6881] should_fail.cold+0x5/0xa [ 247.361365][ T6881] get_futex_key+0x5b2/0x1c50 [ 247.366065][ T6881] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 247.372070][ T6881] ? futex_setup_timer+0xf0/0xf0 [ 247.377033][ T6881] futex_wake+0xe4/0x490 [ 247.381298][ T6881] ? futex_wake_mark+0x1a0/0x1a0 [ 247.386252][ T6881] ? ptrace_stop.part.0+0x5ec/0xa80 [ 247.391462][ T6881] ? do_raw_spin_lock+0x120/0x2a0 [ 247.396509][ T6881] ? rwlock_bug.part.0+0x90/0x90 [ 247.401446][ T6881] ? _raw_spin_lock_irq+0x41/0x50 [ 247.406476][ T6881] do_futex+0x266/0x300 [ 247.410635][ T6881] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 247.416526][ T6881] ? find_held_lock+0x2d/0x110 [ 247.421300][ T6881] __x64_sys_futex+0x1b0/0x4a0 [ 247.426068][ T6881] ? do_futex+0x300/0x300 [ 247.430400][ T6881] ? _raw_spin_unlock_irq+0x1f/0x40 [ 247.435693][ T6881] ? lockdep_hardirqs_on+0x79/0x100 [ 247.440915][ T6881] ? _raw_spin_unlock_irq+0x2a/0x40 [ 247.446126][ T6881] ? ptrace_notify+0xfa/0x140 [ 247.450810][ T6881] do_syscall_64+0x35/0xb0 [ 247.455260][ T6881] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 247.461179][ T6881] RIP: 0033:0x7fc128117db9 [ 247.465607][ T6881] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 247.485240][ T6881] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 247.493659][ T6881] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 247.501632][ T6881] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 247.509604][ T6881] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 247.517584][ T6881] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6882] close(3 [pid 6883] set_robust_list(0x5555564f35e0, 24 [pid 6879] <... futex resumed>) = ? [pid 6877] <... futex resumed>) = ? [pid 6874] <... futex resumed>) = ? [pid 6883] <... set_robust_list resumed>) = 0 [pid 6879] +++ exited with 0 +++ [pid 6882] <... close resumed>) = 0 [pid 6881] <... futex resumed>) = ? [pid 6878] +++ exited with 0 +++ [pid 6877] +++ exited with 0 +++ [pid 6868] +++ exited with 0 +++ [pid 6883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6874] +++ exited with 0 +++ [pid 6867] +++ exited with 0 +++ [pid 6883] <... prctl resumed>) = 0 [pid 6883] setpgid(0, 0) = 0 [pid 6883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6883] write(3, "1000", 4) = 4 [pid 6883] close(3 [pid 6882] <... futex resumed>) = 0 [pid 6883] <... close resumed>) = 0 [pid 6882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6868, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6878, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6867, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] <... mmap resumed>) = 0x7fc1280a9000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6883] <... futex resumed>) = 0 [pid 6882] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6883] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6883] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6882] <... mprotect resumed>) = 0 [pid 6883] <... clone resumed>, parent_tid=[6885], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6885 [pid 6883] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6882] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6884 attached [pid 6884] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6884 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6886 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6887 [pid 6882] <... clone resumed>, parent_tid=[6888], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6888 [pid 6882] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6884] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 6887 attached [pid 6884] setpgid(0, 0 [pid 6887] set_robust_list(0x5555564f35e0, 24 [pid 6884] <... setpgid resumed>) = 0 [pid 6887] <... set_robust_list resumed>) = 0 [pid 6884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6884] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6888 attached ./strace-static-x86_64: Process 6886 attached ./strace-static-x86_64: Process 6885 attached [pid 6887] <... prctl resumed>) = 0 [pid 6884] write(3, "1000", 4 [pid 6881] +++ exited with 0 +++ [pid 6880] +++ exited with 0 +++ [pid 6887] setpgid(0, 0 [pid 6884] <... write resumed>) = 4 [pid 6887] <... setpgid resumed>) = 0 [pid 6884] close(3 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6880, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 6888] set_robust_list(0x7fc1280c99e0, 24 [pid 6887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6886] set_robust_list(0x5555564f35e0, 24 [pid 6885] set_robust_list(0x7fc1280c99e0, 24 [pid 6884] <... close resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6888] <... set_robust_list resumed>) = 0 [pid 6887] <... openat resumed>) = 3 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] write(3, "1000", 4 [pid 6884] <... futex resumed>) = 0 [pid 6887] <... write resumed>) = 4 [pid 6884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6888] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6887] close(3 [pid 6886] <... set_robust_list resumed>) = 0 [pid 6884] <... mmap resumed>) = 0x7fc1280a9000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6889 [pid 6885] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6889 attached [pid 6887] <... close resumed>) = 0 [pid 6884] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6888] <... socket resumed>) = 3 [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6884] <... mprotect resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6884] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6888] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6886] <... prctl resumed>) = 0 [pid 6888] <... futex resumed>) = 1 [pid 6887] <... mmap resumed>) = 0x7fc1280a9000 [pid 6885] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6884] <... clone resumed>, parent_tid=[6890], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6890 [pid 6882] <... futex resumed>) = 0 [pid 6888] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6886] setpgid(0, 0 [pid 6884] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... socket resumed>) = 3 [pid 6889] set_robust_list(0x5555564f35e0, 24 [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... mprotect resumed>) = 0 [pid 6886] <... setpgid resumed>) = 0 [pid 6885] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 0 [pid 6889] <... set_robust_list resumed>) = 0 [pid 6888] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6887] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6885] <... futex resumed>) = 1 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] <... futex resumed>) = 0 [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6888] <... setsockopt resumed>) = 0 [pid 6886] <... openat resumed>) = 3 [pid 6883] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... prctl resumed>) = 0 [pid 6888] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... clone resumed>, parent_tid=[6891], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6891 [pid 6886] write(3, "1000", 4 [pid 6885] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6883] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6890 attached [pid 6889] setpgid(0, 0 [pid 6888] <... futex resumed>) = 1 [pid 6887] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... write resumed>) = 4 [pid 6885] <... setsockopt resumed>) = 0 [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... futex resumed>) = 0 [pid 6890] set_robust_list(0x7fc1280c99e0, 24 [pid 6889] <... setpgid resumed>) = 0 [pid 6888] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] <... futex resumed>) = 0 [pid 6886] close(3 [pid 6885] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6891 attached [pid 6890] <... set_robust_list resumed>) = 0 [pid 6889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... close resumed>) = 0 [pid 6885] <... futex resumed>) = 0 [pid 6883] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] <... futex resumed>) = 0 [pid 6891] set_robust_list(0x7fc1280c99e0, 24 [pid 6890] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6889] <... openat resumed>) = 3 [pid 6888] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6883] <... futex resumed>) = 0 [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... set_robust_list resumed>) = 0 [pid 6890] <... socket resumed>) = 3 [pid 6889] write(3, "1000", 4 [pid 6888] <... setsockopt resumed>) = 0 [pid 6886] <... futex resumed>) = 0 [pid 6885] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6890] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... write resumed>) = 4 [pid 6888] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6885] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6891] <... socket resumed>) = 3 [pid 6890] <... futex resumed>) = 1 [pid 6889] close(3 [pid 6888] <... futex resumed>) = 1 [pid 6886] <... mmap resumed>) = 0x7fc1280a9000 [pid 6885] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6883] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] <... futex resumed>) = 0 [pid 6891] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] <... close resumed>) = 0 [ 247.525561][ T6881] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 247.533555][ T6881] [pid 6888] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6885] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6884] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... futex resumed>) = 0 [pid 6882] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... futex resumed>) = 0 [pid 6886] <... mprotect resumed>) = 0 [pid 6885] <... setsockopt resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... futex resumed>) = 0 [pid 6891] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6889] <... futex resumed>) = 0 [pid 6888] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6887] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6885] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] <... setsockopt resumed>) = 0 [pid 6889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6888] <... setsockopt resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6885] <... futex resumed>) = 0 [pid 6883] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6890] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... mmap resumed>) = 0x7fc1280a9000 [pid 6888] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... clone resumed>, parent_tid=[6892], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6892 [pid 6885] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6883] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6892 attached [pid 6891] <... setsockopt resumed>) = 0 [pid 6890] <... futex resumed>) = 1 [pid 6889] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6888] <... futex resumed>) = 1 [pid 6886] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = 0 [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... futex resumed>) = 0 [pid 6891] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... mprotect resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6888] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] <... futex resumed>) = 0 [pid 6886] <... futex resumed>) = 0 [pid 6882] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... sendto resumed>) = 1 [pid 6891] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6889] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] <... futex resumed>) = 0 [pid 6892] set_robust_list(0x7fc1280c99e0, 24 [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6888] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6887] <... futex resumed>) = 0 [pid 6885] <... futex resumed>) = 1 [pid 6883] <... futex resumed>) = 0 [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... set_robust_list resumed>) = 0 [pid 6891] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6890] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... clone resumed>, parent_tid=[6893], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6893 [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6890] <... futex resumed>) = 1 [pid 6884] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6893 attached [pid 6891] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] set_robust_list(0x7fc1280c99e0, 24 [pid 6891] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6893] <... set_robust_list resumed>) = 0 [pid 6891] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6887] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] <... setsockopt resumed>) = 0 [pid 6889] <... futex resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6885] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6883] <... futex resumed>) = 0 [pid 6893] <... socket resumed>) = 3 [pid 6891] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6890] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6891] <... setsockopt resumed>) = 0 [pid 6890] <... futex resumed>) = 1 [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6888] <... sendto resumed>) = 1 [pid 6885] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = 0 [pid 6883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6893] <... futex resumed>) = 0 [pid 6891] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... futex resumed>) = 0 [pid 6884] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... socket resumed>) = 3 [pid 6893] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6891] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... futex resumed>) = 0 [pid 6888] <... futex resumed>) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6892] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6884] <... futex resumed>) = 0 [pid 6883] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 0 [pid 6893] <... setsockopt resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6891] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... futex resumed>) = 0 [pid 6885] <... openat resumed>) = 4 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6882] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] <... sendto resumed>) = 1 [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... futex resumed>) = 0 [pid 6886] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] write(4, "5", 1 [pid 6882] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6891] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6890] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... futex resumed>) = 0 [pid 6885] <... write resumed>) = 1 [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6892] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6891] <... sendto resumed>) = 1 [pid 6890] <... futex resumed>) = 1 [pid 6889] <... futex resumed>) = 0 [pid 6888] <... sendto resumed>) = 1 [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6885] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6884] <... futex resumed>) = 0 [pid 6893] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6892] <... setsockopt resumed>) = 0 [pid 6891] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6885] <... setsockopt resumed>) = 0 [pid 6884] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6888] <... futex resumed>) = 1 [pid 6887] <... futex resumed>) = 0 [pid 6885] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = 0 [pid 6882] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6891] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6889] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... futex resumed>) = 0 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6887] <... futex resumed>) = 0 [pid 6893] <... setsockopt resumed>) = 0 [pid 6891] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6890] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6890] <... futex resumed>) = 1 [pid 6884] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = 0 [pid 6891] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6884] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6891] <... futex resumed>) = 1 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... futex resumed>) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6891] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6890] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6887] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6890] <... openat resumed>) = 4 [pid 6887] <... futex resumed>) = 0 [pid 6891] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6890] write(4, "5", 1 [pid 6887] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... openat resumed>) = 4 [pid 6890] <... write resumed>) = 1 [pid 6891] write(4, "5", 1 [pid 6890] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6891] <... write resumed>) = 1 [pid 6890] <... setsockopt resumed>) = 0 [pid 6891] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [ 247.624960][ T6885] FAULT_INJECTION: forcing a failure. [ 247.624960][ T6885] name fail_futex, interval 1, probability 0, space 0, times 0 [ 247.631815][ T6890] FAULT_INJECTION: forcing a failure. [ 247.631815][ T6890] name fail_futex, interval 1, probability 0, space 0, times 0 [ 247.638818][ T6885] CPU: 1 PID: 6885 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 247.652050][ T6891] FAULT_INJECTION: forcing a failure. [ 247.652050][ T6891] name fail_futex, interval 1, probability 0, space 0, times 0 [ 247.661049][ T6885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 247.661066][ T6885] Call Trace: [ 247.661074][ T6885] [ 247.661084][ T6885] dump_stack_lvl+0xcd/0x134 [ 247.661116][ T6885] should_fail.cold+0x5/0xa [ 247.699213][ T6885] get_futex_key+0x5b2/0x1c50 [ 247.703902][ T6885] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 247.709890][ T6885] ? futex_setup_timer+0xf0/0xf0 [ 247.714839][ T6885] futex_wake+0xe4/0x490 [ 247.719086][ T6885] ? futex_wake_mark+0x1a0/0x1a0 [ 247.724028][ T6885] ? ptrace_stop.part.0+0x5ec/0xa80 [ 247.729229][ T6885] ? do_raw_spin_lock+0x120/0x2a0 [ 247.734269][ T6885] ? rwlock_bug.part.0+0x90/0x90 [ 247.739211][ T6885] ? _raw_spin_lock_irq+0x41/0x50 [ 247.744242][ T6885] do_futex+0x266/0x300 [ 247.748409][ T6885] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 247.754303][ T6885] ? find_held_lock+0x2d/0x110 [ 247.759076][ T6885] __x64_sys_futex+0x1b0/0x4a0 [ 247.763929][ T6885] ? do_futex+0x300/0x300 [ 247.768259][ T6885] ? _raw_spin_unlock_irq+0x1f/0x40 [ 247.773461][ T6885] ? lockdep_hardirqs_on+0x79/0x100 [ 247.778677][ T6885] ? _raw_spin_unlock_irq+0x2a/0x40 [ 247.783879][ T6885] ? ptrace_notify+0xfa/0x140 [ 247.788562][ T6885] do_syscall_64+0x35/0xb0 [ 247.792977][ T6885] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 247.798895][ T6885] RIP: 0033:0x7fc128117db9 [ 247.803312][ T6885] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6890] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... futex resumed>) = 0 [pid 6892] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6891] <... setsockopt resumed>) = 0 [pid 6889] <... futex resumed>) = 1 [pid 6888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6882] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6891] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6884] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6884] exit_group(0) = ? [pid 6887] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6887] exit_group(0) = ? [ 247.823102][ T6885] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 247.831526][ T6885] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 247.839498][ T6885] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 247.847466][ T6885] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 247.855435][ T6885] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 247.863403][ T6885] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 247.871393][ T6885] [pid 6892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6886] <... futex resumed>) = 0 [pid 6883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6882] <... futex resumed>) = 0 [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] exit_group(0 [pid 6892] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6888] <... openat resumed>) = 4 [pid 6882] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6889] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] write(4, "5", 1 [pid 6893] <... futex resumed>) = 0 [pid 6892] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6889] <... futex resumed>) = 1 [pid 6888] <... write resumed>) = 1 [pid 6893] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6892] <... futex resumed>) = 1 [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] <... sendto resumed>) = 1 [pid 6892] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6888] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6893] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] <... setsockopt resumed>) = 0 [pid 6893] <... futex resumed>) = 1 [pid 6889] <... futex resumed>) = 0 [pid 6888] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6888] <... futex resumed>) = 1 [pid 6882] <... futex resumed>) = 0 [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... futex resumed>) = 0 [pid 6888] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6882] exit_group(0 [pid 6893] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6888] <... futex resumed>) = ? [pid 6882] <... exit_group resumed>) = ? [pid 6893] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6888] +++ exited with 0 +++ [pid 6882] +++ exited with 0 +++ [pid 6893] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6889] <... futex resumed>) = 0 [pid 6893] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6889] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... futex resumed>) = 0 [pid 6893] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6889] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] <... openat resumed>) = 4 [pid 6893] write(4, "5", 1) = 1 [pid 6893] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 247.876778][ T6890] CPU: 1 PID: 6890 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 247.887322][ T6890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 247.897489][ T6890] Call Trace: [ 247.899609][ T6893] FAULT_INJECTION: forcing a failure. [ 247.899609][ T6893] name fail_futex, interval 1, probability 0, space 0, times 0 [ 247.900767][ T6890] [ 247.900779][ T6890] dump_stack_lvl+0xcd/0x134 [ 247.921031][ T6890] should_fail.cold+0x5/0xa [pid 6893] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... exit_group resumed>) = ? [pid 6889] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6889] exit_group(0) = ? [ 247.925572][ T6890] get_futex_key+0x5b2/0x1c50 [ 247.930257][ T6890] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 247.936256][ T6890] ? futex_setup_timer+0xf0/0xf0 [ 247.941232][ T6890] futex_wake+0xe4/0x490 [ 247.945495][ T6890] ? futex_wake_mark+0x1a0/0x1a0 [ 247.950451][ T6890] ? ptrace_stop.part.0+0x5ec/0xa80 [ 247.955672][ T6890] ? do_raw_spin_lock+0x120/0x2a0 [ 247.960711][ T6890] ? rwlock_bug.part.0+0x90/0x90 [ 247.965661][ T6890] ? _raw_spin_lock_irq+0x41/0x50 [ 247.970712][ T6890] do_futex+0x266/0x300 [ 247.974881][ T6890] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 247.980780][ T6890] ? find_held_lock+0x2d/0x110 [ 247.985662][ T6890] __x64_sys_futex+0x1b0/0x4a0 [ 247.990445][ T6890] ? do_futex+0x300/0x300 [ 247.994791][ T6890] ? _raw_spin_unlock_irq+0x1f/0x40 [ 248.000009][ T6890] ? lockdep_hardirqs_on+0x79/0x100 [ 248.005225][ T6890] ? _raw_spin_unlock_irq+0x2a/0x40 [ 248.010526][ T6890] ? ptrace_notify+0xfa/0x140 [ 248.015233][ T6890] do_syscall_64+0x35/0xb0 [ 248.019674][ T6890] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 248.025605][ T6890] RIP: 0033:0x7fc128117db9 [ 248.030036][ T6890] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 248.050016][ T6890] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 248.058455][ T6890] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 248.066446][ T6890] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6890] <... futex resumed>) = ? [pid 6886] <... futex resumed>) = 0 [pid 6886] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6882, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] <... futex resumed>) = 0 [pid 6890] +++ exited with 0 +++ [pid 6884] +++ exited with 0 +++ [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6892] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6884, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- ./strace-static-x86_64: Process 6894 attached [pid 6892] <... setsockopt resumed>) = 0 [pid 6894] set_robust_list(0x5555564f35e0, 24 [pid 6892] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6894 [pid 6894] <... set_robust_list resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6895 attached [pid 6894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6892] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] set_robust_list(0x5555564f35e0, 24 [pid 6894] <... prctl resumed>) = 0 [pid 6892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6895 [pid 6895] <... set_robust_list resumed>) = 0 [pid 6894] setpgid(0, 0 [pid 6892] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6894] <... setpgid resumed>) = 0 [pid 6895] <... prctl resumed>) = 0 [pid 6894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6892] <... sendto resumed>) = 1 [pid 6895] setpgid(0, 0 [ 248.074440][ T6890] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 248.082425][ T6890] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 248.090412][ T6890] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 248.098411][ T6890] [ 248.117115][ T6891] CPU: 0 PID: 6891 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 248.127752][ T6891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 248.137809][ T6891] Call Trace: [ 248.141089][ T6891] [ 248.144021][ T6891] dump_stack_lvl+0xcd/0x134 [ 248.148619][ T6891] should_fail.cold+0x5/0xa [ 248.153155][ T6891] get_futex_key+0x5b2/0x1c50 [ 248.157839][ T6891] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 248.163841][ T6891] ? futex_setup_timer+0xf0/0xf0 [ 248.168797][ T6891] futex_wake+0xe4/0x490 [ 248.173049][ T6891] ? futex_wake_mark+0x1a0/0x1a0 [ 248.177991][ T6891] ? ptrace_stop.part.0+0x5ec/0xa80 [ 248.183200][ T6891] ? do_raw_spin_lock+0x120/0x2a0 [ 248.188230][ T6891] ? rwlock_bug.part.0+0x90/0x90 [ 248.193180][ T6891] ? _raw_spin_lock_irq+0x41/0x50 [ 248.198214][ T6891] do_futex+0x266/0x300 [ 248.202372][ T6891] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 248.208268][ T6891] ? find_held_lock+0x2d/0x110 [ 248.213042][ T6891] __x64_sys_futex+0x1b0/0x4a0 [ 248.217808][ T6891] ? do_futex+0x300/0x300 [ 248.222138][ T6891] ? _raw_spin_unlock_irq+0x1f/0x40 [ 248.227340][ T6891] ? lockdep_hardirqs_on+0x79/0x100 [ 248.232539][ T6891] ? _raw_spin_unlock_irq+0x2a/0x40 [ 248.237738][ T6891] ? ptrace_notify+0xfa/0x140 [ 248.242418][ T6891] do_syscall_64+0x35/0xb0 [ 248.246837][ T6891] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 248.252738][ T6891] RIP: 0033:0x7fc128117db9 [ 248.257156][ T6891] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 248.276763][ T6891] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 248.285174][ T6891] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 248.293184][ T6891] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 248.301251][ T6891] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 248.309236][ T6891] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 248.317309][ T6891] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 248.325300][ T6891] [pid 6892] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... setpgid resumed>) = 0 [pid 6894] <... openat resumed>) = 3 [pid 6886] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6885] <... futex resumed>) = ? [pid 6891] <... futex resumed>) = ? [pid 6891] +++ exited with 0 +++ [pid 6887] +++ exited with 0 +++ [pid 6892] <... futex resumed>) = 0 [pid 6892] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6895] write(3, "1000", 4) = 4 [pid 6895] close(3) = 0 [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6895] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6895] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6896], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6896 [pid 6895] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6896 attached [pid 6896] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6896] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6896] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = 0 [pid 6895] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] <... futex resumed>) = 1 [pid 6896] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6896] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... futex resumed>) = 0 [pid 6895] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] <... futex resumed>) = 1 [pid 6896] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 6896] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6895] <... futex resumed>) = 0 [pid 6896] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6895] <... futex resumed>) = 0 [pid 6894] write(3, "1000", 4 [pid 6886] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6887, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 6896] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] <... write resumed>) = 4 [pid 6892] <... futex resumed>) = 0 [pid 6886] <... futex resumed>) = 1 [ 248.328698][ T6893] CPU: 1 PID: 6893 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 248.339235][ T6893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 248.349313][ T6893] Call Trace: [ 248.352618][ T6893] [ 248.355577][ T6893] dump_stack_lvl+0xcd/0x134 [ 248.360322][ T6893] should_fail.cold+0x5/0xa [ 248.364955][ T6893] get_futex_key+0x5b2/0x1c50 [ 248.369660][ T6893] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 6896] <... setsockopt resumed>) = 0 [pid 6894] close(3 [pid 6892] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... close resumed>) = 0 [pid 6892] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6896] <... futex resumed>) = 1 [pid 6895] <... futex resumed>) = 0 [pid 6894] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... futex resumed>) = 0 [pid 6892] <... futex resumed>) = 1 [pid 6886] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6897 [pid 6896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6895] <... futex resumed>) = 0 [pid 6894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6892] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6886] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] <... mmap resumed>) = 0x7fc1280a9000 [pid 6892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] <... futex resumed>) = 0 [pid 6896] <... sendto resumed>) = 1 [pid 6894] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6892] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6886] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... mprotect resumed>) = 0 [pid 6892] <... openat resumed>) = 4 [pid 6896] <... futex resumed>) = 1 [pid 6895] <... futex resumed>) = 0 [pid 6894] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6892] write(4, "5", 1 [pid 6896] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... write resumed>) = 1 [pid 6896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6895] <... futex resumed>) = 0 [pid 6894] <... clone resumed>, parent_tid=[6898], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6898 [pid 6892] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6896] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... setsockopt resumed>) = 0 [pid 6896] <... sendto resumed>) = 1 [pid 6894] <... futex resumed>) = 0 [pid 6892] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 248.375677][ T6893] ? futex_setup_timer+0xf0/0xf0 [ 248.380661][ T6893] futex_wake+0xe4/0x490 [ 248.384946][ T6893] ? futex_wake_mark+0x1a0/0x1a0 [ 248.389920][ T6893] ? ptrace_stop.part.0+0x5ec/0xa80 [ 248.395153][ T6893] ? do_raw_spin_lock+0x120/0x2a0 [ 248.400213][ T6893] ? rwlock_bug.part.0+0x90/0x90 [ 248.405189][ T6893] ? _raw_spin_lock_irq+0x41/0x50 [ 248.410273][ T6893] do_futex+0x266/0x300 [ 248.411516][ T6892] FAULT_INJECTION: forcing a failure. [ 248.411516][ T6892] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6894] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] <... futex resumed>) = 1 [pid 6895] <... futex resumed>) = 0 [pid 6896] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6895] <... futex resumed>) = 0 [pid 6896] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6895] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6896] <... openat resumed>) = 4 [pid 6896] write(4, "5", 1) = 1 [pid 6896] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6896] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6895] <... futex resumed>) = 0 [pid 6896] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] exit_group(0 [pid 6896] <... futex resumed>) = ? [pid 6895] <... exit_group resumed>) = ? [pid 6896] +++ exited with 0 +++ [pid 6895] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6895, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6886] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6886] exit_group(0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6886] <... exit_group resumed>) = ? [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6899 ./strace-static-x86_64: Process 6899 attached [pid 6899] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6899] setpgid(0, 0) = 0 [pid 6899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6899] write(3, "1000", 4) = 4 [pid 6899] close(3) = 0 [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [ 248.414443][ T6893] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 248.414473][ T6893] ? find_held_lock+0x2d/0x110 [ 248.414509][ T6893] __x64_sys_futex+0x1b0/0x4a0 [ 248.443003][ T6893] ? do_futex+0x300/0x300 [ 248.447410][ T6893] ? _raw_spin_unlock_irq+0x1f/0x40 [ 248.452658][ T6893] ? lockdep_hardirqs_on+0x79/0x100 [ 248.457893][ T6893] ? _raw_spin_unlock_irq+0x2a/0x40 [ 248.463129][ T6893] ? ptrace_notify+0xfa/0x140 [ 248.467843][ T6893] do_syscall_64+0x35/0xb0 [ 248.472305][ T6893] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 6894] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6899] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6894] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... mprotect resumed>) = 0 [pid 6894] <... futex resumed>) = 0 [pid 6899] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6899] <... clone resumed>, parent_tid=[6900], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6900 [pid 6894] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6899] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... mprotect resumed>) = 0 [pid 6899] <... futex resumed>) = 0 [pid 6894] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] <... clone resumed>, parent_tid=[6901], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6901 ./strace-static-x86_64: Process 6900 attached [pid 6894] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] set_robust_list(0x7fc1280c99e0, 24 [pid 6894] <... futex resumed>) = 0 [pid 6900] <... set_robust_list resumed>) = 0 [pid 6894] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6901 attached [pid 6900] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6901] set_robust_list(0x7fc1280a89e0, 24 [pid 6900] <... socket resumed>) = 3 [pid 6901] <... set_robust_list resumed>) = 0 [pid 6900] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6900] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6901] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 6901] <... futex resumed>) = 1 [pid 6900] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] <... futex resumed>) = 0 [pid 6901] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... setsockopt resumed>) = 0 [pid 6894] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... futex resumed>) = 0 [pid 6901] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6900] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6894] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [ 248.478237][ T6893] RIP: 0033:0x7fc128117db9 [ 248.482693][ T6893] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 248.502330][ T6893] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 248.510773][ T6893] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 248.518775][ T6893] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6900] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 6901] <... futex resumed>) = 1 [pid 6900] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] <... futex resumed>) = 0 [pid 6901] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... setsockopt resumed>) = 0 [pid 6894] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6894] <... futex resumed>) = 0 [pid 6901] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6900] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6894] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6901] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 6901] <... futex resumed>) = 1 [ 248.526776][ T6893] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 248.534837][ T6893] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 248.542844][ T6893] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 248.550849][ T6893] [ 248.553873][ T6892] CPU: 0 PID: 6892 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 248.564397][ T6892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 248.574454][ T6892] Call Trace: [ 248.577728][ T6892] [ 248.580657][ T6892] dump_stack_lvl+0xcd/0x134 [ 248.585262][ T6892] should_fail.cold+0x5/0xa [ 248.589778][ T6892] get_futex_key+0x5b2/0x1c50 [ 248.594473][ T6892] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 248.600545][ T6892] ? futex_setup_timer+0xf0/0xf0 [ 248.605491][ T6892] futex_wake+0xe4/0x490 [ 248.609749][ T6892] ? futex_wake_mark+0x1a0/0x1a0 [ 248.614690][ T6892] ? ptrace_stop.part.0+0x5ec/0xa80 [ 248.619891][ T6892] ? do_raw_spin_lock+0x120/0x2a0 [ 248.624936][ T6892] ? rwlock_bug.part.0+0x90/0x90 [ 248.629878][ T6892] ? _raw_spin_lock_irq+0x41/0x50 [ 248.634919][ T6892] do_futex+0x266/0x300 [ 248.639077][ T6892] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 248.644989][ T6892] ? find_held_lock+0x2d/0x110 [ 248.649765][ T6892] __x64_sys_futex+0x1b0/0x4a0 [ 248.654530][ T6892] ? do_futex+0x300/0x300 [ 248.658858][ T6892] ? _raw_spin_unlock_irq+0x1f/0x40 [ 248.664061][ T6892] ? lockdep_hardirqs_on+0x79/0x100 [ 248.669262][ T6892] ? _raw_spin_unlock_irq+0x2a/0x40 [ 248.674459][ T6892] ? ptrace_notify+0xfa/0x140 [ 248.679139][ T6892] do_syscall_64+0x35/0xb0 [ 248.683559][ T6892] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 248.689456][ T6892] RIP: 0033:0x7fc128117db9 [ 248.693962][ T6892] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 248.713577][ T6892] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 248.721991][ T6892] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6900] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6894] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6898 attached ./strace-static-x86_64: Process 6897 attached [pid 6901] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6893] <... futex resumed>) = ? [pid 6885] +++ exited with 0 +++ [pid 6883] +++ exited with 0 +++ [pid 6898] set_robust_list(0x7fc1280c99e0, 24 [pid 6897] set_robust_list(0x5555564f35e0, 24 [pid 6901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] <... setsockopt resumed>) = 0 [pid 6898] <... set_robust_list resumed>) = 0 [pid 6897] <... set_robust_list resumed>) = 0 [pid 6894] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] +++ exited with 0 +++ [pid 6889] +++ exited with 0 +++ [pid 6901] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6900] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6894] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6883, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6901] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6898] <... socket resumed>) = 3 [pid 6897] <... prctl resumed>) = 0 [pid 6894] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6889, si_uid=0, si_status=0, si_utime=0, si_stime=32} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6901] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6898] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] setpgid(0, 0 [pid 6894] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... futex resumed>) = 0 [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6899] <... futex resumed>) = 0 [pid 6898] <... futex resumed>) = 0 [pid 6897] <... setpgid resumed>) = 0 [pid 6894] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... restart_syscall resumed>) = 0 [pid 6901] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6898] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6894] <... futex resumed>) = 0 [pid 6898] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 6897] <... openat resumed>) = 3 [pid 6898] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=6894, si_uid=0} --- [pid 6897] write(3, "1000", 4 [pid 6901] <... futex resumed>) = ? [pid 6897] <... write resumed>) = 4 [pid 6901] +++ killed by SIGPIPE +++ [pid 6898] +++ killed by SIGPIPE +++ [pid 6897] close(3) = 0 [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6897] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6897] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6902], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6902 [pid 6897] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6902 attached [pid 6902] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6902] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6900] <... sendto resumed>) = 1 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6902] <... socket resumed>) = 3 [pid 6902] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6897] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] <... futex resumed>) = 1 [pid 6902] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6894] +++ killed by SIGPIPE +++ [pid 6902] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 6903 attached [pid 6900] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6892] <... futex resumed>) = ? [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6903 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=6894, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 6902] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6899] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... futex resumed>) = 1 [pid 6900] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6897] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6904 [pid 6902] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... sendto resumed>) = 1 [pid 6897] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6902] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6900] <... futex resumed>) = 0 [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6899] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6905 attached [pid 6902] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6900] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6892] +++ exited with 0 +++ [pid 6886] +++ exited with 0 +++ [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6905 ./strace-static-x86_64: Process 6904 attached [pid 6905] set_robust_list(0x5555564f35e0, 24 [pid 6902] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6886, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 6905] <... set_robust_list resumed>) = 0 [pid 6904] set_robust_list(0x5555564f35e0, 24 [pid 6902] <... futex resumed>) = 1 [pid 6899] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6904] <... set_robust_list resumed>) = 0 [pid 6902] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... futex resumed>) = 0 [pid 6899] <... futex resumed>) = 1 [pid 6897] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... prctl resumed>) = 0 [pid 6904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6903] set_robust_list(0x5555564f35e0, 24 [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6899] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] <... futex resumed>) = 0 [pid 6905] setpgid(0, 0 [pid 6904] <... prctl resumed>) = 0 [pid 6903] <... set_robust_list resumed>) = 0 [pid 6902] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6900] <... openat resumed>) = 4 [ 248.729971][ T6892] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 248.737939][ T6892] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 248.745913][ T6892] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 248.753882][ T6892] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 248.761908][ T6892] [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6905] <... setpgid resumed>) = 0 [pid 6904] setpgid(0, 0 [pid 6903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6902] <... setsockopt resumed>) = 0 [pid 6900] write(4, "5", 1 [pid 6905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6904] <... setpgid resumed>) = 0 [pid 6903] <... prctl resumed>) = 0 [pid 6902] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... write resumed>) = 1 [pid 6905] <... openat resumed>) = 3 [pid 6904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6903] setpgid(0, 0 [pid 6902] <... futex resumed>) = 1 [pid 6900] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6897] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6906 ./strace-static-x86_64: Process 6906 attached [pid 6905] write(3, "1000", 4 [pid 6904] <... openat resumed>) = 3 [pid 6903] <... setpgid resumed>) = 0 [pid 6902] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6900] <... setsockopt resumed>) = 0 [pid 6897] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] set_robust_list(0x5555564f35e0, 24 [pid 6905] <... write resumed>) = 4 [pid 6904] write(3, "1000", 4 [pid 6903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = 0 [pid 6906] <... set_robust_list resumed>) = 0 [pid 6905] close(3 [pid 6904] <... write resumed>) = 4 [pid 6903] <... openat resumed>) = 3 [pid 6902] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6900] <... futex resumed>) = 1 [pid 6899] <... futex resumed>) = 0 [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6905] <... close resumed>) = 0 [pid 6904] close(3 [pid 6903] write(3, "1000", 4 [pid 6902] <... sendto resumed>) = 1 [pid 6900] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6899] exit_group(0 [pid 6906] <... prctl resumed>) = 0 [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... close resumed>) = 0 [pid 6903] <... write resumed>) = 4 [pid 6902] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6899] <... exit_group resumed>) = ? [pid 6900] <... futex resumed>) = ? [pid 6906] setpgid(0, 0 [pid 6905] <... futex resumed>) = 0 [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] close(3 [pid 6902] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 6906] <... setpgid resumed>) = 0 [pid 6903] <... close resumed>) = 0 [pid 6902] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6905] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6904] <... futex resumed>) = 0 [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] +++ exited with 0 +++ [pid 6899] +++ exited with 0 +++ [pid 6897] <... futex resumed>) = 0 [pid 6906] <... openat resumed>) = 3 [pid 6905] <... mmap resumed>) = 0x7fc1280a9000 [pid 6904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6903] <... futex resumed>) = 0 [pid 6902] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6899, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6906] write(3, "1000", 4 [pid 6905] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6904] <... mmap resumed>) = 0x7fc1280a9000 [pid 6903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6902] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6906] <... write resumed>) = 4 [pid 6905] <... mprotect resumed>) = 0 [pid 6904] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6903] <... mmap resumed>) = 0x7fc1280a9000 [pid 6902] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] close(3 [pid 6905] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6904] <... mprotect resumed>) = 0 [pid 6903] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6902] <... futex resumed>) = 1 [pid 6897] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6906] <... close resumed>) = 0 [pid 6904] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6903] <... mprotect resumed>) = 0 [pid 6902] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] <... clone resumed>, parent_tid=[6907], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6907 [pid 6903] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... futex resumed>) = 0 [pid 6906] <... futex resumed>) = 0 [pid 6905] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] <... clone resumed>, parent_tid=[6909], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6909 [pid 6902] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6897] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6908 ./strace-static-x86_64: Process 6909 attached ./strace-static-x86_64: Process 6908 attached ./strace-static-x86_64: Process 6907 attached [pid 6906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6905] <... futex resumed>) = 0 [pid 6904] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... clone resumed>, parent_tid=[6910], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6910 [pid 6902] <... openat resumed>) = 4 [pid 6909] set_robust_list(0x7fc1280c99e0, 24 [pid 6908] set_robust_list(0x5555564f35e0, 24 [pid 6907] set_robust_list(0x7fc1280c99e0, 24 [pid 6906] <... mmap resumed>) = 0x7fc1280a9000 [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] <... futex resumed>) = 0 [pid 6903] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] write(4, "5", 1./strace-static-x86_64: Process 6910 attached [pid 6909] <... set_robust_list resumed>) = 0 [pid 6908] <... set_robust_list resumed>) = 0 [pid 6907] <... set_robust_list resumed>) = 0 [pid 6906] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6903] <... futex resumed>) = 0 [pid 6902] <... write resumed>) = 1 [pid 6910] set_robust_list(0x7fc1280c99e0, 24 [pid 6909] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6907] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6906] <... mprotect resumed>) = 0 [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6910] <... set_robust_list resumed>) = 0 [pid 6909] <... socket resumed>) = 3 [pid 6908] <... prctl resumed>) = 0 [pid 6907] <... socket resumed>) = 3 [pid 6906] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6902] <... setsockopt resumed>) = 0 [pid 6910] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6909] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] setpgid(0, 0 [pid 6907] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6911 attached [pid 6910] <... socket resumed>) = 3 [pid 6909] <... futex resumed>) = 1 [pid 6908] <... setpgid resumed>) = 0 [pid 6907] <... futex resumed>) = 1 [pid 6906] <... clone resumed>, parent_tid=[6911], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6911 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6911] set_robust_list(0x7fc1280c99e0, 24 [pid 6910] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6907] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6906] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... set_robust_list resumed>) = 0 [pid 6910] <... futex resumed>) = 1 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6908] <... openat resumed>) = 3 [pid 6907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6906] <... futex resumed>) = 0 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6903] <... futex resumed>) = 0 [pid 6911] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6910] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6909] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6908] write(3, "1000", 4 [pid 6907] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6906] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6903] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... socket resumed>) = 3 [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6909] <... setsockopt resumed>) = 0 [pid 6908] <... write resumed>) = 4 [pid 6907] <... setsockopt resumed>) = 0 [pid 6903] <... futex resumed>) = 0 [pid 6911] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6909] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] close(3 [pid 6907] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6911] <... futex resumed>) = 1 [pid 6910] <... setsockopt resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6908] <... close resumed>) = 0 [pid 6907] <... futex resumed>) = 1 [pid 6906] <... futex resumed>) = 0 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [ 248.861428][ T6902] FAULT_INJECTION: forcing a failure. [ 248.861428][ T6902] name fail_futex, interval 1, probability 0, space 0, times 0 [ 248.890787][ T6902] CPU: 1 PID: 6902 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 248.901436][ T6902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 248.911507][ T6902] Call Trace: [ 248.914793][ T6902] [ 248.917733][ T6902] dump_stack_lvl+0xcd/0x134 [ 248.922348][ T6902] should_fail.cold+0x5/0xa [ 248.926879][ T6902] get_futex_key+0x5b2/0x1c50 [ 248.931573][ T6902] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 248.937587][ T6902] ? futex_setup_timer+0xf0/0xf0 [ 248.942551][ T6902] futex_wake+0xe4/0x490 [ 248.946830][ T6902] ? futex_wake_mark+0x1a0/0x1a0 [ 248.951786][ T6902] ? ptrace_stop.part.0+0x5ec/0xa80 [ 248.957008][ T6902] ? do_raw_spin_lock+0x120/0x2a0 [ 248.962058][ T6902] ? rwlock_bug.part.0+0x90/0x90 [ 248.967027][ T6902] ? _raw_spin_lock_irq+0x41/0x50 [ 248.972086][ T6902] do_futex+0x266/0x300 [ 248.976273][ T6902] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 248.982188][ T6902] ? find_held_lock+0x2d/0x110 [ 248.986988][ T6902] __x64_sys_futex+0x1b0/0x4a0 [ 248.991781][ T6902] ? do_futex+0x300/0x300 [ 248.993244][ T6907] FAULT_INJECTION: forcing a failure. [ 248.993244][ T6907] name fail_futex, interval 1, probability 0, space 0, times 0 [ 248.996134][ T6902] ? _raw_spin_unlock_irq+0x1f/0x40 [ 248.996165][ T6902] ? lockdep_hardirqs_on+0x79/0x100 [ 248.996191][ T6902] ? _raw_spin_unlock_irq+0x2a/0x40 [ 248.996215][ T6902] ? ptrace_notify+0xfa/0x140 [ 248.996244][ T6902] do_syscall_64+0x35/0xb0 [ 248.996266][ T6902] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 249.039493][ T6902] RIP: 0033:0x7fc128117db9 [ 249.043927][ T6902] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 249.063539][ T6902] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 249.071953][ T6902] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 249.079922][ T6902] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 249.087892][ T6902] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 249.095862][ T6902] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 249.103832][ T6902] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 6911] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6906] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6905] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6911] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6909] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6907] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6911] <... setsockopt resumed>) = 0 [pid 6909] <... setsockopt resumed>) = 0 [pid 6907] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6911] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] <... futex resumed>) = 0 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6911] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6909] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6909] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6907] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] <... setsockopt resumed>) = 0 [pid 6907] <... setsockopt resumed>) = 0 [pid 6909] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6909] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6909] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6907] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] <... sendto resumed>) = 1 [pid 6907] <... sendto resumed>) = 1 [pid 6909] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6909] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6909] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6907] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] <... sendto resumed>) = 1 [pid 6907] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6909] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6909] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6905] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... futex resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6909] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6907] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6905] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6909] <... openat resumed>) = 4 [pid 6907] <... openat resumed>) = 4 [pid 6909] write(4, "5", 1 [pid 6907] write(4, "5", 1 [pid 6909] <... write resumed>) = 1 [pid 6907] <... write resumed>) = 1 [pid 6909] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6907] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6909] <... setsockopt resumed>) = 0 [pid 6907] <... setsockopt resumed>) = 0 [pid 6909] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = 1 [pid 6909] <... futex resumed>) = 1 [pid 6908] <... futex resumed>) = 0 [pid 6906] <... futex resumed>) = 1 [pid 6905] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6904] <... futex resumed>) = 0 [pid 6903] <... futex resumed>) = 0 [pid 6902] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6897] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6911] <... futex resumed>) = 0 [pid 6910] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6909] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6906] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6905] exit_group(0 [pid 6904] exit_group(0 [pid 6903] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] exit_group(0 [pid 6911] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6909] <... futex resumed>) = ? [pid 6908] <... mmap resumed>) = 0x7fc1280a9000 [pid 6906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6905] <... exit_group resumed>) = ? [pid 6904] <... exit_group resumed>) = ? [pid 6903] <... futex resumed>) = 0 [pid 6902] <... futex resumed>) = ? [pid 6897] <... exit_group resumed>) = ? [pid 6910] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6909] +++ exited with 0 +++ [pid 6908] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6906] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6904] +++ exited with 0 +++ [ 249.111828][ T6902] [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] +++ exited with 0 +++ [pid 6897] +++ exited with 0 +++ [pid 6911] <... futex resumed>) = 0 [pid 6910] <... setsockopt resumed>) = 0 [pid 6908] <... mprotect resumed>) = 0 [pid 6906] <... futex resumed>) = 1 [pid 6910] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6906] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6904, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6910] <... futex resumed>) = 1 [pid 6903] <... futex resumed>) = 0 [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6910] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] <... clone resumed>, parent_tid=[6912], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6912 [pid 6903] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... restart_syscall resumed>) = 0 [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6908] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6903] <... futex resumed>) = 0 [pid 6910] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6908] <... futex resumed>) = 0 [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] <... setsockopt resumed>) = 0 [pid 6908] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6910] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6903] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6913 [pid 6910] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] <... futex resumed>) = 0 [pid 6910] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] <... sendto resumed>) = 1 [pid 6910] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 249.133562][ T6907] CPU: 0 PID: 6907 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 249.144138][ T6907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 249.154229][ T6907] Call Trace: [ 249.157528][ T6907] [ 249.160477][ T6907] dump_stack_lvl+0xcd/0x134 [ 249.165114][ T6907] should_fail.cold+0x5/0xa [ 249.169655][ T6907] get_futex_key+0x5b2/0x1c50 [ 249.174366][ T6907] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 249.180380][ T6907] ? futex_setup_timer+0xf0/0xf0 [ 249.185361][ T6907] futex_wake+0xe4/0x490 [ 249.189644][ T6907] ? futex_wake_mark+0x1a0/0x1a0 [ 249.194615][ T6907] ? ptrace_stop.part.0+0x5ec/0xa80 [ 249.199846][ T6907] ? do_raw_spin_lock+0x120/0x2a0 [ 249.204906][ T6907] ? rwlock_bug.part.0+0x90/0x90 [ 249.209871][ T6907] ? _raw_spin_lock_irq+0x41/0x50 [ 249.214941][ T6907] do_futex+0x266/0x300 [ 249.219133][ T6907] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 249.225054][ T6907] ? find_held_lock+0x2d/0x110 [ 249.229863][ T6907] __x64_sys_futex+0x1b0/0x4a0 [ 249.234661][ T6907] ? do_futex+0x300/0x300 [ 249.238105][ T6911] FAULT_INJECTION: forcing a failure. [ 249.238105][ T6911] name fail_futex, interval 1, probability 0, space 0, times 0 [ 249.238994][ T6907] ? _raw_spin_unlock_irq+0x1f/0x40 [ 249.239030][ T6907] ? lockdep_hardirqs_on+0x79/0x100 [ 249.262437][ T6907] ? _raw_spin_unlock_irq+0x2a/0x40 [ 249.267674][ T6907] ? ptrace_notify+0xfa/0x140 [ 249.272381][ T6907] do_syscall_64+0x35/0xb0 [ 249.277027][ T6907] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 249.282940][ T6907] RIP: 0033:0x7fc128117db9 [ 249.287372][ T6907] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 249.307009][ T6907] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 249.315557][ T6907] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 249.323638][ T6907] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6903] <... futex resumed>) = 0 [pid 6910] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] <... futex resumed>) = 0 [pid 6910] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] <... sendto resumed>) = 1 [pid 6910] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6903] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6913 attached [pid 6910] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] set_robust_list(0x5555564f35e0, 24 [pid 6910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] <... futex resumed>) = 0 [pid 6913] <... set_robust_list resumed>) = 0 [pid 6910] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6903] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6910] <... openat resumed>) = 4 [pid 6913] <... prctl resumed>) = 0 [pid 6910] write(4, "5", 1 [pid 6913] setpgid(0, 0 [pid 6910] <... write resumed>) = 1 [pid 6913] <... setpgid resumed>) = 0 [pid 6910] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6910] <... setsockopt resumed>) = 0 [pid 6913] <... openat resumed>) = 3 [pid 6910] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] write(3, "1000", 4 [pid 6910] <... futex resumed>) = 1 [pid 6903] <... futex resumed>) = 0 [pid 6913] <... write resumed>) = 4 [pid 6910] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6903] exit_group(0 [pid 6913] close(3 [pid 6910] <... futex resumed>) = ? [pid 6903] <... exit_group resumed>) = ? [pid 6913] <... close resumed>) = 0 [pid 6910] +++ exited with 0 +++ [pid 6903] +++ exited with 0 +++ [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6913] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6913] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6914], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6914 [pid 6913] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6914 attached [pid 6914] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6914] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6914] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... futex resumed>) = 0 [pid 6913] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] <... futex resumed>) = 1 [pid 6914] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6914] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... futex resumed>) = 0 [pid 6913] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] <... futex resumed>) = 1 [pid 6914] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 6914] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] <... futex resumed>) = 0 [pid 6914] <... futex resumed>) = 1 [pid 6913] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6913] <... futex resumed>) = 0 [pid 6914] <... setsockopt resumed>) = 0 [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6913] <... futex resumed>) = 0 [pid 6914] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6913] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6906] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6906] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6906] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6908] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... clone resumed>, parent_tid=[6915], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6915 [pid 6908] <... futex resumed>) = 0 [pid 6906] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6906] <... futex resumed>) = 0 [pid 6908] <... mmap resumed>) = 0x7fc128088000 [pid 6906] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6908] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6908] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6916], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6916 [pid 6908] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... sendto resumed>) = 1 [pid 6908] <... futex resumed>) = 0 [pid 6914] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] <... futex resumed>) = 1 [pid 6913] <... futex resumed>) = 0 [pid 6914] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6913] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6915 attached [pid 6914] <... sendto resumed>) = 1 [pid 6913] <... futex resumed>) = 0 [pid 6915] set_robust_list(0x7fc1280a89e0, 24 [pid 6914] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] <... set_robust_list resumed>) = 0 [pid 6914] <... futex resumed>) = 0 [pid 6913] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6915] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6914] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6913] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... setsockopt resumed>) = 0 [pid 6914] <... openat resumed>) = 4 [pid 6913] <... futex resumed>) = 0 [pid 6915] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] write(4, "5", 1 [pid 6913] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6915] <... futex resumed>) = 1 [pid 6914] <... write resumed>) = 1 [pid 6906] <... futex resumed>) = 0 [pid 6915] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6911] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6906] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] <... setsockopt resumed>) = 0 [pid 6911] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6906] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6903, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6897, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6915] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6914] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6911] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 6915] <... sendto resumed>) = 1 [pid 6914] <... futex resumed>) = 1 [pid 6913] <... futex resumed>) = 0 [pid 6911] <... futex resumed>) = 0 [pid 3615] <... restart_syscall resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 6915] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6913] exit_group(0 [pid 6911] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] <... futex resumed>) = 1 [pid 6914] <... futex resumed>) = ? [pid 6913] <... exit_group resumed>) = ? [pid 6906] <... futex resumed>) = 0 [pid 6915] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6914] +++ exited with 0 +++ [pid 6913] +++ exited with 0 +++ [pid 6906] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6911] <... futex resumed>) = 0 [pid 6906] <... futex resumed>) = 1 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6913, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6911] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6906] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6917 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6918 [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6911] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3607] <... restart_syscall resumed>) = 0 [pid 6911] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6906] <... futex resumed>) = 0 [pid 6911] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6906] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6906] <... futex resumed>) = 0 [pid 6911] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6906] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6919 [pid 6911] <... openat resumed>) = 4 [pid 6911] write(4, "5", 1) = 1 [pid 6911] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6911] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6908] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6908] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128067000 [pid 6908] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6908] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6920], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6920 [pid 6908] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6908] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6920 attached [pid 6920] set_robust_list(0x7fc1280879e0, 24) = 0 [pid 6920] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [pid 6920] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6908] <... futex resumed>) = 0 [pid 6920] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6908] <... futex resumed>) = 0 [pid 6920] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6908] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6920] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6908] <... futex resumed>) = 0 [pid 6920] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6908] <... futex resumed>) = 0 [pid 6906] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6920] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6908] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] exit_group(0 [pid 6920] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] <... futex resumed>) = ? [pid 6906] <... exit_group resumed>) = ? [pid 6920] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] +++ exited with 0 +++ [pid 6920] <... futex resumed>) = 1 [pid 6908] <... futex resumed>) = 0 [pid 6920] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6908] <... futex resumed>) = 0 [pid 6920] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6908] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6920] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6908] <... futex resumed>) = 0 [pid 6920] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6908] <... futex resumed>) = 0 [pid 6920] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6908] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] <... openat resumed>) = 3 [pid 6920] write(3, "5", 1) = 1 [pid 6920] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 6920] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6908] <... futex resumed>) = 0 [pid 6920] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6912 attached [pid 6912] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6912] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 4 [pid 6912] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 249.331631][ T6907] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 249.339625][ T6907] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 249.347623][ T6907] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 249.355641][ T6907] [ 249.360053][ T6911] CPU: 1 PID: 6911 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 249.370601][ T6911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 249.380687][ T6911] Call Trace: [ 249.383992][ T6911] [ 249.386944][ T6911] dump_stack_lvl+0xcd/0x134 [ 249.391571][ T6911] should_fail.cold+0x5/0xa [ 249.396109][ T6911] get_futex_key+0x5b2/0x1c50 [ 249.400810][ T6911] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 249.406814][ T6911] ? futex_setup_timer+0xf0/0xf0 [ 249.411897][ T6911] futex_wake+0xe4/0x490 [ 249.416161][ T6911] ? futex_wake_mark+0x1a0/0x1a0 [ 249.421118][ T6911] ? ptrace_stop.part.0+0x5ec/0xa80 [ 249.426340][ T6911] ? do_raw_spin_lock+0x120/0x2a0 [ 249.431382][ T6911] ? rwlock_bug.part.0+0x90/0x90 [ 249.436334][ T6911] ? _raw_spin_lock_irq+0x41/0x50 [ 249.441397][ T6911] do_futex+0x266/0x300 [ 249.445581][ T6911] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 249.451589][ T6911] ? find_held_lock+0x2d/0x110 [ 249.456396][ T6911] __x64_sys_futex+0x1b0/0x4a0 [ 249.461195][ T6911] ? do_futex+0x300/0x300 [ 249.465627][ T6911] ? _raw_spin_unlock_irq+0x1f/0x40 [ 249.470850][ T6911] ? lockdep_hardirqs_on+0x79/0x100 [ 249.476067][ T6911] ? _raw_spin_unlock_irq+0x2a/0x40 [ 249.481283][ T6911] ? ptrace_notify+0xfa/0x140 [ 249.485983][ T6911] do_syscall_64+0x35/0xb0 [ 249.490415][ T6911] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 249.496328][ T6911] RIP: 0033:0x7fc128117db9 [ 249.500757][ T6911] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 249.520401][ T6911] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6912] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6919 attached ./strace-static-x86_64: Process 6918 attached ./strace-static-x86_64: Process 6917 attached ./strace-static-x86_64: Process 6916 attached [pid 6919] set_robust_list(0x5555564f35e0, 24 [pid 6918] set_robust_list(0x5555564f35e0, 24 [pid 6919] <... set_robust_list resumed>) = 0 [pid 6918] <... set_robust_list resumed>) = 0 [pid 6917] set_robust_list(0x5555564f35e0, 24 [pid 6916] set_robust_list(0x7fc1280a89e0, 24 [pid 6919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6917] <... set_robust_list resumed>) = 0 [pid 6916] <... set_robust_list resumed>) = 0 [pid 6919] <... prctl resumed>) = 0 [pid 6918] <... prctl resumed>) = 0 [pid 6919] setpgid(0, 0 [pid 6918] setpgid(0, 0 [pid 6917] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6916] setsockopt(4, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6919] <... setpgid resumed>) = 0 [pid 6918] <... setpgid resumed>) = 0 [pid 6917] <... prctl resumed>) = 0 [pid 6916] <... setsockopt resumed>) = 0 [pid 6919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6917] setpgid(0, 0 [pid 6916] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... openat resumed>) = 3 [pid 6918] <... openat resumed>) = 3 [pid 6917] <... setpgid resumed>) = 0 [pid 6916] <... futex resumed>) = 0 [pid 6919] write(3, "1000", 4 [pid 6918] write(3, "1000", 4 [pid 6917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6916] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] exit_group(0 [ 249.528904][ T6911] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 249.536884][ T6911] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 249.544938][ T6911] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 249.552911][ T6911] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 249.560881][ T6911] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 249.568866][ T6911] [pid 6920] <... futex resumed>) = ? [pid 6919] <... write resumed>) = 4 [pid 6918] <... write resumed>) = 4 [pid 6917] <... openat resumed>) = 3 [pid 6916] <... futex resumed>) = ? [pid 6912] <... futex resumed>) = ? [pid 6908] <... exit_group resumed>) = ? [pid 6919] close(3 [pid 6918] close(3 [pid 6917] write(3, "1000", 4 [pid 6916] +++ exited with 0 +++ [pid 6912] +++ exited with 0 +++ [pid 6919] <... close resumed>) = 0 [pid 6918] <... close resumed>) = 0 [pid 6917] <... write resumed>) = 4 [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] close(3 [pid 6919] <... futex resumed>) = 0 [pid 6918] <... futex resumed>) = 0 [pid 6917] <... close resumed>) = 0 [pid 6919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... mmap resumed>) = 0x7fc1280a9000 [pid 6918] <... mmap resumed>) = 0x7fc1280a9000 [pid 6917] <... futex resumed>) = 0 [pid 6919] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6918] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6917] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6919] <... mprotect resumed>) = 0 [pid 6918] <... mprotect resumed>) = 0 [pid 6917] <... mmap resumed>) = 0x7fc1280a9000 [pid 6919] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6918] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6917] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6907] <... futex resumed>) = ? [pid 6907] +++ exited with 0 +++ [pid 6905] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6905, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6921 [pid 6911] <... futex resumed>) = ? [ 249.599414][ T6920] FAULT_INJECTION: forcing a failure. [ 249.599414][ T6920] name fail_futex, interval 1, probability 0, space 0, times 0 [ 249.626106][ T6920] CPU: 0 PID: 6920 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 249.636666][ T6920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6911] +++ exited with 0 +++ [pid 6906] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6906, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 6917] <... mprotect resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 6919] <... clone resumed>, parent_tid=[6923], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6923 [pid 6918] <... clone resumed>, parent_tid=[6922], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6922 [pid 6917] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3611] <... restart_syscall resumed>) = 0 [pid 6919] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... futex resumed>) = 0 [pid 6918] <... futex resumed>) = 0 [pid 6917] <... clone resumed>, parent_tid=[6924], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6924 [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6917] <... futex resumed>) = 0 [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6925 ./strace-static-x86_64: Process 6924 attached [pid 6924] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6924] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 ./strace-static-x86_64: Process 6923 attached [pid 6924] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6923] set_robust_list(0x7fc1280c99e0, 24 [pid 6917] <... futex resumed>) = 0 [pid 6924] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] <... set_robust_list resumed>) = 0 [pid 6917] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6917] <... futex resumed>) = 0 [ 249.646841][ T6920] Call Trace: [ 249.650137][ T6920] [ 249.653082][ T6920] dump_stack_lvl+0xcd/0x134 [ 249.657706][ T6920] should_fail.cold+0x5/0xa [ 249.662255][ T6920] get_futex_key+0x282/0x1c50 [ 249.666961][ T6920] ? __lock_acquire+0x163e/0x5660 [ 249.672016][ T6920] ? futex_setup_timer+0xf0/0xf0 [ 249.676996][ T6920] futex_wake+0xe4/0x490 [ 249.681272][ T6920] ? futex_wake_mark+0x1a0/0x1a0 [ 249.686257][ T6920] ? find_held_lock+0x2d/0x110 [ 249.691059][ T6920] do_futex+0x266/0x300 [pid 6924] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6923] <... socket resumed>) = 3 [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... setsockopt resumed>) = 0 [pid 6923] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 1 [pid 6923] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 249.695243][ T6920] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 249.701171][ T6920] mm_release+0x235/0x2c0 [ 249.705529][ T6920] do_exit+0x8a0/0x29d0 [ 249.709711][ T6920] ? find_held_lock+0x2d/0x110 [ 249.714507][ T6920] ? mm_update_next_owner+0x7a0/0x7a0 [ 249.719908][ T6920] ? lock_downgrade+0x6e0/0x6e0 [ 249.724797][ T6920] do_group_exit+0xd2/0x2f0 [ 249.729333][ T6920] get_signal+0x2542/0x2600 [ 249.733873][ T6920] ? exit_signals+0x8b0/0x8b0 [ 249.738571][ T6920] ? userns_owner+0x40/0x40 [ 249.743099][ T6920] ? __task_pid_nr_ns+0x168/0x4b0 [ 249.748152][ T6920] ? lock_downgrade+0x6e0/0x6e0 [ 249.752664][ T6923] FAULT_INJECTION: forcing a failure. [ 249.752664][ T6923] name fail_futex, interval 1, probability 0, space 0, times 0 [ 249.753010][ T6920] arch_do_signal_or_restart+0x82/0x2300 [ 249.771392][ T6920] ? from_kuid_munged+0xa2/0x130 [ 249.776360][ T6920] ? find_held_lock+0x2d/0x110 [ 249.781152][ T6920] ? get_sigframe_size+0x10/0x10 [ 249.786116][ T6920] ? ptrace_notify+0xfa/0x140 [ 249.790797][ T6920] ? lock_downgrade+0x6e0/0x6e0 [ 249.795651][ T6920] ? send_sig+0xfe/0x160 [ 249.799896][ T6920] ? send_sig_info+0x140/0x140 [ 249.804922][ T6920] ? exit_to_user_mode_prepare+0x137/0x250 [ 249.810738][ T6920] exit_to_user_mode_prepare+0x15f/0x250 [ 249.816374][ T6920] syscall_exit_to_user_mode+0x19/0x50 [ 249.821852][ T6920] do_syscall_64+0x42/0xb0 [ 249.826291][ T6920] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 249.832201][ T6920] RIP: 0033:0x7fc128117db9 [ 249.836619][ T6920] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 249.856229][ T6920] RSP: 002b:00007fc1280872e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 249.864642][ T6920] RAX: fffffffffffffe00 RBX: 00007fc1281a04c0 RCX: 00007fc128117db9 [ 249.872621][ T6920] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04c8 [ 249.880598][ T6920] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 249.888593][ T6920] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280872f0 [pid 6919] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = 0 [pid 6924] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6917] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... futex resumed>) = 0 [pid 6924] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6923] <... setsockopt resumed>) = 0 [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... setsockopt resumed>) = 0 [pid 6923] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 1 [pid 6923] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = 0 [pid 6924] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6917] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... futex resumed>) = 0 [pid 6924] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6923] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... setsockopt resumed>) = 0 [pid 6923] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 1 [pid 6923] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] <... futex resumed>) = 0 [pid 6924] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6917] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... futex resumed>) = 0 [pid 6924] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6923] <... setsockopt resumed>) = 0 [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... sendto resumed>) = 1 [pid 6923] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6924] <... futex resumed>) = 1 [pid 6923] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6917] <... futex resumed>) = 0 [pid 6924] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6918] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] <... futex resumed>) = 0 [pid 6917] <... futex resumed>) = 0 [pid 6924] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6923] <... sendto resumed>) = 1 [pid 6918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... sendto resumed>) = 1 [pid 6923] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... mmap resumed>) = 0x7fc128088000 [pid 6924] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6918] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6924] <... futex resumed>) = 1 [pid 6923] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... mprotect resumed>) = 0 [pid 6917] <... futex resumed>) = 0 [pid 6924] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6918] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6917] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6917] <... futex resumed>) = 0 [pid 6924] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6923] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6918] <... clone resumed>, parent_tid=[6926], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6926 [pid 6917] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6924] <... openat resumed>) = 4 [pid 6923] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] write(4, "5", 1 [pid 6923] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = 0 [pid 6918] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6926 attached [pid 6924] <... write resumed>) = 1 [pid 6923] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] set_robust_list(0x7fc1280a89e0, 24 [pid 6924] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6923] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] <... futex resumed>) = 0 [pid 6926] <... set_robust_list resumed>) = 0 [pid 6924] <... setsockopt resumed>) = 0 [pid 6923] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6919] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6924] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6923] <... openat resumed>) = 4 [pid 6926] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... futex resumed>) = 1 [pid 6923] write(4, "5", 1 [pid 6917] <... futex resumed>) = 0 [pid 6926] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6923] <... write resumed>) = 1 [pid 6917] exit_group(0 [pid 6926] <... futex resumed>) = 1 [pid 6924] <... futex resumed>) = ? [pid 6923] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6918] <... futex resumed>) = 0 [pid 6917] <... exit_group resumed>) = ? [pid 6926] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6924] +++ exited with 0 +++ [pid 6923] <... setsockopt resumed>) = 0 [pid 6918] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6917] +++ exited with 0 +++ [pid 6926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6923] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6917, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6926] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6918] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6926] <... futex resumed>) = 1 [pid 6918] <... futex resumed>) = 0 [pid 6926] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6927 [pid 6926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6918] <... futex resumed>) = 0 [pid 6926] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6918] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6927 attached [pid 6926] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6927] set_robust_list(0x5555564f35e0, 24 [pid 6926] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... set_robust_list resumed>) = 0 [pid 6926] <... futex resumed>) = 1 [pid 6918] <... futex resumed>) = 0 [pid 6927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6926] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... prctl resumed>) = 0 [pid 6926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6918] <... futex resumed>) = 0 [pid 6927] setpgid(0, 0 [pid 6926] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6918] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6927] <... setpgid resumed>) = 0 [pid 6926] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6926] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [ 249.896583][ T6920] R13: 00007fc1281a04c8 R14: 0100000000000000 R15: 0000000000000001 [ 249.904564][ T6920] [ 249.913355][ T6923] CPU: 1 PID: 6923 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 249.923897][ T6923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 249.933964][ T6923] Call Trace: [ 249.937251][ T6923] [ 249.940192][ T6923] dump_stack_lvl+0xcd/0x134 [ 249.944808][ T6923] should_fail.cold+0x5/0xa [ 249.949423][ T6923] get_futex_key+0x5b2/0x1c50 [ 249.954124][ T6923] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 249.961786][ T6923] ? futex_setup_timer+0xf0/0xf0 [ 249.966764][ T6923] futex_wake+0xe4/0x490 [ 249.971038][ T6923] ? futex_wake_mark+0x1a0/0x1a0 [ 249.976014][ T6923] ? ptrace_stop.part.0+0x5ec/0xa80 [ 249.981249][ T6923] ? do_raw_spin_lock+0x120/0x2a0 [ 249.986292][ T6923] ? rwlock_bug.part.0+0x90/0x90 [ 249.991245][ T6923] ? _raw_spin_lock_irq+0x41/0x50 [ 249.996294][ T6923] do_futex+0x266/0x300 [ 250.000473][ T6923] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 250.006380][ T6923] ? find_held_lock+0x2d/0x110 [ 250.011179][ T6923] __x64_sys_futex+0x1b0/0x4a0 [ 250.015970][ T6923] ? do_futex+0x300/0x300 [ 250.020318][ T6923] ? _raw_spin_unlock_irq+0x1f/0x40 [ 250.025538][ T6923] ? lockdep_hardirqs_on+0x79/0x100 [ 250.030925][ T6923] ? _raw_spin_unlock_irq+0x2a/0x40 [ 250.036140][ T6923] ? ptrace_notify+0xfa/0x140 [ 250.040837][ T6923] do_syscall_64+0x35/0xb0 [ 250.045272][ T6923] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 250.051201][ T6923] RIP: 0033:0x7fc128117db9 [ 250.055617][ T6923] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 250.075225][ T6923] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 250.083652][ T6923] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 250.091638][ T6923] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6927] <... openat resumed>) = 3 [pid 6926] <... futex resumed>) = 1 [pid 6919] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6918] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6925 attached ./strace-static-x86_64: Process 6922 attached ./strace-static-x86_64: Process 6921 attached [pid 6926] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6920] +++ exited with 0 +++ [pid 6918] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] exit_group(0 [pid 6908] +++ exited with 0 +++ [pid 6927] write(3, "1000", 4 [pid 6926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6925] set_robust_list(0x5555564f35e0, 24 [pid 6922] set_robust_list(0x7fc1280c99e0, 24 [pid 6921] set_robust_list(0x5555564f35e0, 24 [pid 6919] <... exit_group resumed>) = ? [pid 6918] <... futex resumed>) = 0 [pid 6927] <... write resumed>) = 4 [pid 6926] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6925] <... set_robust_list resumed>) = 0 [pid 6922] <... set_robust_list resumed>) = 0 [pid 6921] <... set_robust_list resumed>) = 0 [pid 6918] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6908, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 6927] close(3 [pid 6926] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6923] <... futex resumed>) = ? [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 6927] <... close resumed>) = 0 [pid 6926] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... restart_syscall resumed>) = 0 [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] <... futex resumed>) = 1 [pid 6918] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6926] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6918] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6918] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6922] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6928 attached [pid 6927] <... mmap resumed>) = 0x7fc1280a9000 [pid 6926] <... openat resumed>) = 3 [pid 6925] <... prctl resumed>) = 0 [pid 6923] +++ exited with 0 +++ [pid 6922] <... socket resumed>) = 4 [pid 6921] <... prctl resumed>) = 0 [pid 6919] +++ exited with 0 +++ [pid 6928] set_robust_list(0x5555564f35e0, 24 [pid 6927] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6926] write(3, "5", 1 [pid 6925] setpgid(0, 0 [pid 6922] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] setpgid(0, 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6928 [pid 6928] <... set_robust_list resumed>) = 0 [pid 6927] <... mprotect resumed>) = 0 [pid 6926] <... write resumed>) = 1 [pid 6925] <... setpgid resumed>) = 0 [pid 6922] <... futex resumed>) = 0 [pid 6921] <... setpgid resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6919, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6927] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6926] setsockopt(4, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6922] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6929 attached ./strace-static-x86_64: Process 6930 attached [pid 6928] <... prctl resumed>) = 0 [pid 6926] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6925] <... openat resumed>) = 3 [pid 6921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6930] set_robust_list(0x5555564f35e0, 24 [pid 6928] setpgid(0, 0 [pid 6927] <... clone resumed>, parent_tid=[6929], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6929 [pid 6926] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] write(3, "1000", 4 [pid 6921] <... openat resumed>) = 3 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6930 [pid 6930] <... set_robust_list resumed>) = 0 [pid 6928] <... setpgid resumed>) = 0 [pid 6927] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] <... futex resumed>) = 1 [pid 6925] <... write resumed>) = 4 [pid 6921] write(3, "1000", 4 [pid 6918] <... futex resumed>) = 0 [pid 6930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6927] <... futex resumed>) = 0 [pid 6926] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6925] close(3 [pid 6921] <... write resumed>) = 4 [pid 6918] exit_group(0 [pid 6930] <... prctl resumed>) = 0 [pid 6928] <... openat resumed>) = 3 [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] <... futex resumed>) = ? [pid 6925] <... close resumed>) = 0 [pid 6922] <... futex resumed>) = ? [pid 6921] close(3 [pid 6918] <... exit_group resumed>) = ? [pid 6930] setpgid(0, 0 [pid 6929] set_robust_list(0x7fc1280c99e0, 24 [pid 6928] write(3, "1000", 4 [pid 6926] +++ exited with 0 +++ [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6922] +++ exited with 0 +++ [pid 6921] <... close resumed>) = 0 [pid 6930] <... setpgid resumed>) = 0 [pid 6929] <... set_robust_list resumed>) = 0 [pid 6928] <... write resumed>) = 4 [pid 6925] <... futex resumed>) = 0 [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] +++ exited with 0 +++ [pid 6930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6929] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6928] close(3 [pid 6925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6921] <... futex resumed>) = 0 [pid 6930] <... openat resumed>) = 3 [pid 6929] <... socket resumed>) = 3 [pid 6928] <... close resumed>) = 0 [pid 6925] <... mmap resumed>) = 0x7fc1280a9000 [pid 6921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6930] write(3, "1000", 4 [pid 6929] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6921] <... mmap resumed>) = 0x7fc1280a9000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6930] <... write resumed>) = 4 [pid 6929] <... futex resumed>) = 1 [pid 6928] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6925] <... mprotect resumed>) = 0 [pid 6921] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6930] close(3 [pid 6929] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6927] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6921] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6932 attached ./strace-static-x86_64: Process 6931 attached [pid 6930] <... close resumed>) = 0 [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] <... mmap resumed>) = 0x7fc1280a9000 [pid 6927] <... futex resumed>) = 0 [pid 6921] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6931 [pid 6931] set_robust_list(0x5555564f35e0, 24 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6928] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] <... clone resumed>, parent_tid=[6932], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6932 ./strace-static-x86_64: Process 6933 attached [pid 6932] set_robust_list(0x7fc1280c99e0, 24 [pid 6931] <... set_robust_list resumed>) = 0 [pid 6930] <... futex resumed>) = 0 [pid 6929] <... setsockopt resumed>) = 0 [pid 6928] <... mprotect resumed>) = 0 [pid 6925] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... clone resumed>, parent_tid=[6933], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6933 [pid 6929] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6925] <... futex resumed>) = 0 [pid 6921] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = 0 [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 0 [pid 6929] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] <... clone resumed>, parent_tid=[6934], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6934 [pid 6927] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] <... futex resumed>) = 0 [pid 6929] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6928] <... futex resumed>) = 0 [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] <... set_robust_list resumed>) = 0 [pid 6931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6929] <... setsockopt resumed>) = 0 [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6932] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6931] <... prctl resumed>) = 0 [pid 6930] <... mmap resumed>) = 0x7fc1280a9000 [pid 6929] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... socket resumed>) = 3 [pid 6931] setpgid(0, 0 [pid 6930] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6929] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = 0 [pid 6932] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... setpgid resumed>) = 0 [pid 6930] <... mprotect resumed>) = 0 [pid 6929] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6934 attached [pid 6931] <... openat resumed>) = 3 [pid 6930] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6929] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = 1 [pid 6934] set_robust_list(0x7fc1280c99e0, 24 [pid 6931] write(3, "1000", 4 [pid 6929] <... setsockopt resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6932] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6934] <... set_robust_list resumed>) = 0 [pid 6931] <... write resumed>) = 4 [pid 6930] <... clone resumed>, parent_tid=[6935], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6935 [pid 6929] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6934] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6932] <... setsockopt resumed>) = 0 [pid 6931] close(3 [pid 6933] set_robust_list(0x7fc1280c99e0, 24 [pid 6930] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = 1 [pid 6927] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6935 attached [pid 6934] <... socket resumed>) = 3 [pid 6933] <... set_robust_list resumed>) = 0 [pid 6932] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... close resumed>) = 0 [pid 6930] <... futex resumed>) = 0 [pid 6929] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6932] <... futex resumed>) = 1 [pid 6931] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6934] <... futex resumed>) = 1 [pid 6933] <... socket resumed>) = 3 [pid 6932] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] <... futex resumed>) = 0 [ 250.099610][ T6923] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 250.107578][ T6923] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 250.115555][ T6923] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 250.123991][ T6923] [pid 6929] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6928] <... futex resumed>) = 0 [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] set_robust_list(0x7fc1280c99e0, 24 [pid 6934] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6933] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6925] <... futex resumed>) = 0 [pid 6935] <... set_robust_list resumed>) = 0 [pid 6934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6933] <... futex resumed>) = 1 [pid 6932] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6931] <... mmap resumed>) = 0x7fc1280a9000 [pid 6928] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 0 [pid 6935] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6934] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6933] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6931] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6929] <... sendto resumed>) = 1 [pid 6928] <... futex resumed>) = 0 [pid 6921] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... socket resumed>) = 3 [pid 6934] <... setsockopt resumed>) = 0 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... mprotect resumed>) = 0 [pid 6929] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 0 [pid 6935] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6932] <... futex resumed>) = 1 [pid 6931] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6929] <... futex resumed>) = 1 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] <... futex resumed>) = 1 [pid 6934] <... futex resumed>) = 0 [pid 6933] <... setsockopt resumed>) = 0 [pid 6932] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] <... futex resumed>) = 0 [pid 6929] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6936 attached [pid 6935] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6933] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] <... clone resumed>, parent_tid=[6936], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6936 [pid 6930] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6936] set_robust_list(0x7fc1280c99e0, 24 [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6933] <... futex resumed>) = 1 [pid 6932] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6931] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = 0 [pid 6929] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 0 [pid 6936] <... set_robust_list resumed>) = 0 [pid 6935] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6934] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] <... setsockopt resumed>) = 0 [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] <... sendto resumed>) = 1 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6921] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6935] <... setsockopt resumed>) = 0 [pid 6934] <... futex resumed>) = 0 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... futex resumed>) = 0 [pid 6936] <... socket resumed>) = 3 [pid 6935] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6933] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6932] <... futex resumed>) = 1 [pid 6929] <... futex resumed>) = 1 [pid 6928] <... futex resumed>) = 0 [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... futex resumed>) = 1 [pid 6934] <... setsockopt resumed>) = 0 [pid 6933] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6932] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6930] <... futex resumed>) = 0 [pid 6929] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6927] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... futex resumed>) = 1 [pid 6935] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6936] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] <... futex resumed>) = 0 [pid 6933] <... futex resumed>) = 1 [pid 6932] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6931] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = 0 [pid 6929] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6928] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 0 [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6935] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6934] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6933] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6929] <... openat resumed>) = 4 [pid 6931] <... futex resumed>) = 0 [pid 6928] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6935] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] <... sendto resumed>) = 1 [pid 6931] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 0 [pid 6936] <... setsockopt resumed>) = 0 [pid 6935] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... sendto resumed>) = 1 [pid 6933] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6932] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] write(4, "5", 1 [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... futex resumed>) = 1 [pid 6934] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... setsockopt resumed>) = 0 [pid 6932] <... futex resumed>) = 1 [pid 6930] <... futex resumed>) = 0 [pid 6929] <... write resumed>) = 1 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6925] <... futex resumed>) = 0 [pid 6936] <... futex resumed>) = 1 [pid 6935] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... futex resumed>) = 0 [pid 6933] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6928] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6933] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = 0 [pid 6929] <... setsockopt resumed>) = 0 [pid 6928] <... futex resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 0 [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6935] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6934] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6933] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6935] <... setsockopt resumed>) = 0 [pid 6934] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6931] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6929] <... futex resumed>) = 1 [pid 6928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6927] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 0 [pid 6936] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6935] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... futex resumed>) = 0 [pid 6933] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6932] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6928] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6927] exit_group(0 [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... futex resumed>) = 1 [pid 6934] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6930] <... futex resumed>) = 0 [pid 6929] <... futex resumed>) = ? [pid 6928] <... futex resumed>) = 0 [pid 6927] <... exit_group resumed>) = ? [pid 6936] <... futex resumed>) = 1 [pid 6935] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6934] <... openat resumed>) = 4 [pid 6933] <... sendto resumed>) = 1 [pid 6932] <... futex resumed>) = 1 [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6929] +++ exited with 0 +++ [pid 6928] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6927] +++ exited with 0 +++ [pid 6925] <... futex resumed>) = 0 [pid 6936] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6934] write(4, "5", 1 [pid 6933] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = 0 [pid 6925] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6927, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6935] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6934] <... write resumed>) = 1 [pid 6933] <... futex resumed>) = 1 [pid 6932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] <... futex resumed>) = 0 [pid 6921] <... futex resumed>) = 0 [pid 6936] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6934] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6936] <... setsockopt resumed>) = 0 [pid 6934] <... setsockopt resumed>) = 0 [pid 6936] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... futex resumed>) = 0 [pid 6935] <... sendto resumed>) = 1 [pid 6933] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6931] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6932] <... openat resumed>) = 4 [pid 6931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6921] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6935] <... futex resumed>) = 1 [pid 6933] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6932] write(4, "5", 1 [pid 6931] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... futex resumed>) = 0 [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6933] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6932] <... write resumed>) = 1 [pid 6931] <... futex resumed>) = 0 [pid 6930] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6937 [pid 6936] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6933] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6932] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6931] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6937 attached [pid 6935] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6933] <... futex resumed>) = 1 [pid 6936] <... sendto resumed>) = 1 [pid 6932] <... setsockopt resumed>) = 0 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... futex resumed>) = 0 [pid 6935] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6933] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6932] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6921] <... futex resumed>) = 0 [pid 6935] <... futex resumed>) = 1 [pid 6933] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6930] <... futex resumed>) = 0 [pid 6921] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6933] <... openat resumed>) = 4 [pid 6930] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6933] write(4, "5", 1 [pid 6930] <... futex resumed>) = 0 [pid 6935] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6933] <... write resumed>) = 1 [pid 6930] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6935] <... openat resumed>) = 4 [ 250.240917][ T6934] FAULT_INJECTION: forcing a failure. [ 250.240917][ T6934] name fail_futex, interval 1, probability 0, space 0, times 0 [ 250.257532][ T6934] CPU: 0 PID: 6934 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 250.260382][ T6932] FAULT_INJECTION: forcing a failure. [ 250.260382][ T6932] name fail_futex, interval 1, probability 0, space 0, times 0 [ 250.268062][ T6934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 6933] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6935] write(4, "5", 1 [pid 6933] <... setsockopt resumed>) = 0 [pid 6935] <... write resumed>) = 1 [pid 6933] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6935] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6925] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6935] <... setsockopt resumed>) = 0 [pid 6931] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] exit_group(0 [pid 6935] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = 0 [pid 6925] <... exit_group resumed>) = ? [pid 6931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 6931] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6931] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6938], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6938 [pid 6936] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6936] <... futex resumed>) = 0 [pid 6931] <... futex resumed>) = 0 [pid 6921] exit_group(0 [ 250.268079][ T6934] Call Trace: [ 250.268087][ T6934] [ 250.268097][ T6934] dump_stack_lvl+0xcd/0x134 [ 250.268130][ T6934] should_fail.cold+0x5/0xa [ 250.268157][ T6934] get_futex_key+0x5b2/0x1c50 [ 250.268181][ T6934] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 250.268208][ T6934] ? futex_setup_timer+0xf0/0xf0 [ 250.293540][ T6933] FAULT_INJECTION: forcing a failure. [ 250.293540][ T6933] name fail_futex, interval 1, probability 0, space 0, times 0 [ 250.294298][ T6934] futex_wake+0xe4/0x490 [pid 6936] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6921] <... exit_group resumed>) = ? [pid 6930] exit_group(0) = ? [ 250.294331][ T6934] ? futex_wake_mark+0x1a0/0x1a0 [ 250.294357][ T6934] ? ptrace_stop.part.0+0x5ec/0xa80 [ 250.294385][ T6934] ? do_raw_spin_lock+0x120/0x2a0 [ 250.294410][ T6934] ? rwlock_bug.part.0+0x90/0x90 [ 250.294431][ T6934] ? _raw_spin_lock_irq+0x41/0x50 [ 250.294464][ T6934] do_futex+0x266/0x300 [ 250.309986][ T6935] FAULT_INJECTION: forcing a failure. [ 250.309986][ T6935] name fail_futex, interval 1, probability 0, space 0, times 0 [ 250.311123][ T6934] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 250.311156][ T6934] ? find_held_lock+0x2d/0x110 [pid 6931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6931] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... futex resumed>) = 0 [ 250.311193][ T6934] __x64_sys_futex+0x1b0/0x4a0 [ 250.311221][ T6934] ? do_futex+0x300/0x300 [ 250.311242][ T6934] ? _raw_spin_unlock_irq+0x1f/0x40 [ 250.311271][ T6934] ? lockdep_hardirqs_on+0x79/0x100 [ 250.411233][ T6934] ? _raw_spin_unlock_irq+0x2a/0x40 [ 250.416461][ T6934] ? ptrace_notify+0xfa/0x140 [ 250.419168][ T6936] FAULT_INJECTION: forcing a failure. [ 250.419168][ T6936] name fail_futex, interval 1, probability 0, space 0, times 0 [ 250.421154][ T6934] do_syscall_64+0x35/0xb0 [ 250.421184][ T6934] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 250.444243][ T6934] RIP: 0033:0x7fc128117db9 [ 250.448674][ T6934] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 250.468388][ T6934] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 250.476822][ T6934] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 250.484829][ T6934] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 250.492814][ T6934] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 250.500792][ T6934] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 250.508768][ T6934] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 250.516782][ T6934] [ 250.519810][ T6933] CPU: 1 PID: 6933 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 250.530329][ T6933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 250.540381][ T6933] Call Trace: [ 250.543666][ T6933] [ 250.546592][ T6933] dump_stack_lvl+0xcd/0x134 [ 250.551213][ T6933] should_fail.cold+0x5/0xa [ 250.555808][ T6933] get_futex_key+0x5b2/0x1c50 [ 250.560489][ T6933] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 250.566472][ T6933] ? futex_setup_timer+0xf0/0xf0 [ 250.571419][ T6933] futex_wake+0xe4/0x490 [ 250.575667][ T6933] ? futex_wake_mark+0x1a0/0x1a0 [ 250.580612][ T6933] ? ptrace_stop.part.0+0x5ec/0xa80 [ 250.585812][ T6933] ? do_raw_spin_lock+0x120/0x2a0 [ 250.590853][ T6933] ? rwlock_bug.part.0+0x90/0x90 [ 250.595788][ T6933] ? _raw_spin_lock_irq+0x41/0x50 [ 250.600821][ T6933] do_futex+0x266/0x300 [ 250.604980][ T6933] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 250.610873][ T6933] ? find_held_lock+0x2d/0x110 [ 250.615649][ T6933] __x64_sys_futex+0x1b0/0x4a0 [ 250.620417][ T6933] ? do_futex+0x300/0x300 [ 250.624744][ T6933] ? _raw_spin_unlock_irq+0x1f/0x40 [ 250.629945][ T6933] ? lockdep_hardirqs_on+0x79/0x100 [ 250.635146][ T6933] ? _raw_spin_unlock_irq+0x2a/0x40 [ 250.640346][ T6933] ? ptrace_notify+0xfa/0x140 [ 250.645023][ T6933] do_syscall_64+0x35/0xb0 [ 250.649439][ T6933] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 250.655337][ T6933] RIP: 0033:0x7fc128117db9 [ 250.659750][ T6933] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 250.679356][ T6933] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6931] <... futex resumed>) = 1 [pid 6936] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6931] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] <... openat resumed>) = 4 [pid 6936] write(4, "5", 1) = 1 [pid 6936] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6936] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 250.687770][ T6933] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 250.695739][ T6933] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 250.703706][ T6933] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 250.711674][ T6933] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 250.719643][ T6933] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 250.727625][ T6933] [ 250.733162][ T6932] CPU: 1 PID: 6932 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 250.743697][ T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 250.753752][ T6932] Call Trace: [ 250.757028][ T6932] [ 250.759957][ T6932] dump_stack_lvl+0xcd/0x134 [ 250.764556][ T6932] should_fail.cold+0x5/0xa [ 250.769064][ T6932] get_futex_key+0x5b2/0x1c50 [ 250.773747][ T6932] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 250.779730][ T6932] ? futex_setup_timer+0xf0/0xf0 [ 250.784677][ T6932] futex_wake+0xe4/0x490 [ 250.788923][ T6932] ? futex_wake_mark+0x1a0/0x1a0 [ 250.793860][ T6932] ? ptrace_stop.part.0+0x5ec/0xa80 [ 250.799062][ T6932] ? do_raw_spin_lock+0x120/0x2a0 [ 250.804086][ T6932] ? rwlock_bug.part.0+0x90/0x90 [ 250.809038][ T6932] ? _raw_spin_lock_irq+0x41/0x50 [ 250.814074][ T6932] do_futex+0x266/0x300 [ 250.818243][ T6932] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 250.824225][ T6932] ? find_held_lock+0x2d/0x110 [ 250.829008][ T6932] __x64_sys_futex+0x1b0/0x4a0 [ 250.833775][ T6932] ? do_futex+0x300/0x300 [ 250.838104][ T6932] ? _raw_spin_unlock_irq+0x1f/0x40 [ 250.843307][ T6932] ? lockdep_hardirqs_on+0x79/0x100 [ 250.848508][ T6932] ? _raw_spin_unlock_irq+0x2a/0x40 [ 250.853710][ T6932] ? ptrace_notify+0xfa/0x140 [ 250.858391][ T6932] do_syscall_64+0x35/0xb0 [ 250.862811][ T6932] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 250.868728][ T6932] RIP: 0033:0x7fc128117db9 [ 250.873151][ T6932] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 250.892874][ T6932] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 250.901290][ T6932] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 250.909264][ T6932] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 250.917244][ T6932] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 250.925216][ T6932] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 250.933184][ T6932] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 250.941174][ T6932] ./strace-static-x86_64: Process 6938 attached [pid 6937] set_robust_list(0x5555564f35e0, 24 [pid 6928] exit_group(0 [pid 6933] <... futex resumed>) = ? [pid 6933] +++ exited with 0 +++ [pid 6921] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6921, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6939 [pid 6932] <... futex resumed>) = ? [pid 6932] +++ exited with 0 +++ [pid 6925] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6925, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- ./strace-static-x86_64: Process 6939 attached [pid 6938] set_robust_list(0x7fc1280a89e0, 24 [pid 6937] <... set_robust_list resumed>) = 0 [pid 6928] <... exit_group resumed>) = ? [pid 6939] set_robust_list(0x5555564f35e0, 24 [pid 6938] <... set_robust_list resumed>) = 0 [pid 6937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6939] <... set_robust_list resumed>) = 0 [pid 6938] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6937] <... prctl resumed>) = 0 [pid 6939] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6938] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6937] setpgid(0, 0 [pid 6939] <... prctl resumed>) = 0 [pid 6938] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] <... setpgid resumed>) = 0 [pid 6931] exit_group(0 [pid 6939] setpgid(0, 0 [pid 6938] <... futex resumed>) = ? [pid 6937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6931] <... exit_group resumed>) = ? [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6939] <... setpgid resumed>) = 0 [pid 6938] +++ exited with 0 +++ [pid 6937] <... openat resumed>) = 3 [pid 6939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6937] write(3, "1000", 4 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6940 [ 250.944428][ T6935] CPU: 0 PID: 6935 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 250.954963][ T6935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 250.965047][ T6935] Call Trace: [ 250.968348][ T6935] [ 250.971304][ T6935] dump_stack_lvl+0xcd/0x134 [ 250.975924][ T6935] should_fail.cold+0x5/0xa [ 250.980464][ T6935] get_futex_key+0x5b2/0x1c50 [ 250.985174][ T6935] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 6939] <... openat resumed>) = 3 [pid 6937] <... write resumed>) = 4 [pid 6939] write(3, "1000", 4 [pid 6937] close(3 [pid 6939] <... write resumed>) = 4 [pid 6937] <... close resumed>) = 0 [pid 6939] close(3 [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... close resumed>) = 0 [pid 6937] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6940 attached [pid 6939] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6940] set_robust_list(0x5555564f35e0, 24 [pid 6939] <... futex resumed>) = 0 [pid 6937] <... mmap resumed>) = 0x7fc1280a9000 [pid 6940] <... set_robust_list resumed>) = 0 [ 250.991192][ T6935] ? futex_setup_timer+0xf0/0xf0 [ 250.996166][ T6935] futex_wake+0xe4/0x490 [ 251.000444][ T6935] ? futex_wake_mark+0x1a0/0x1a0 [ 251.005411][ T6935] ? ptrace_stop.part.0+0x5ec/0xa80 [ 251.010638][ T6935] ? do_raw_spin_lock+0x120/0x2a0 [ 251.015690][ T6935] ? rwlock_bug.part.0+0x90/0x90 [ 251.020653][ T6935] ? _raw_spin_lock_irq+0x41/0x50 [ 251.025711][ T6935] do_futex+0x266/0x300 [ 251.029924][ T6935] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 251.035848][ T6935] ? find_held_lock+0x2d/0x110 [ 251.040741][ T6935] __x64_sys_futex+0x1b0/0x4a0 [ 251.045545][ T6935] ? do_futex+0x300/0x300 [ 251.049916][ T6935] ? _raw_spin_unlock_irq+0x1f/0x40 [ 251.055163][ T6935] ? lockdep_hardirqs_on+0x79/0x100 [ 251.060395][ T6935] ? _raw_spin_unlock_irq+0x2a/0x40 [ 251.065647][ T6935] ? ptrace_notify+0xfa/0x140 [ 251.070359][ T6935] do_syscall_64+0x35/0xb0 [ 251.074809][ T6935] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 251.080739][ T6935] RIP: 0033:0x7fc128117db9 [ 251.085180][ T6935] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 251.104834][ T6935] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 251.112911][ T6943] FAULT_INJECTION: forcing a failure. [ 251.112911][ T6943] name fail_futex, interval 1, probability 0, space 0, times 0 [ 251.113290][ T6935] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 251.134034][ T6935] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6937] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6939] <... mmap resumed>) = 0x7fc1280a9000 [pid 6937] <... mprotect resumed>) = 0 [pid 6940] <... prctl resumed>) = 0 [pid 6939] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6937] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6940] setpgid(0, 0 [pid 6939] <... mprotect resumed>) = 0 [pid 6940] <... setpgid resumed>) = 0 [pid 6939] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6937] <... clone resumed>, parent_tid=[6941], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6941 [pid 6940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6937] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... openat resumed>) = 3 [pid 6939] <... clone resumed>, parent_tid=[6942], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6942 [pid 6937] <... futex resumed>) = 0 [pid 6940] write(3, "1000", 4 [pid 6939] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6941 attached [pid 6940] <... write resumed>) = 4 [pid 6939] <... futex resumed>) = 0 [pid 6941] set_robust_list(0x7fc1280c99e0, 24 [pid 6940] close(3 [pid 6939] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] <... set_robust_list resumed>) = 0 [pid 6940] <... close resumed>) = 0 [pid 6941] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... socket resumed>) = 3 [pid 6940] <... futex resumed>) = 0 [pid 6941] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6941] <... futex resumed>) = 1 [pid 6940] <... mmap resumed>) = 0x7fc1280a9000 [pid 6937] <... futex resumed>) = 0 [pid 6941] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6937] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6940] <... mprotect resumed>) = 0 [pid 6937] <... futex resumed>) = 0 [pid 6941] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6940] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6941] <... setsockopt resumed>) = 0 [pid 6941] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... clone resumed>, parent_tid=[6943], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6943 [pid 6941] <... futex resumed>) = 1 [pid 6940] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] <... futex resumed>) = 0 [pid 6941] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] <... futex resumed>) = 0 [pid 6937] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6943 attached [pid 6941] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6943] set_robust_list(0x7fc1280c99e0, 24 [pid 6941] <... setsockopt resumed>) = 0 [pid 6943] <... set_robust_list resumed>) = 0 [pid 6941] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6941] <... futex resumed>) = 1 [pid 6937] <... futex resumed>) = 0 [pid 6943] <... socket resumed>) = 3 [pid 6941] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6937] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6937] <... futex resumed>) = 0 [pid 6943] <... futex resumed>) = 1 [pid 6941] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6940] <... futex resumed>) = 0 [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6943] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... setsockopt resumed>) = 0 [pid 6940] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6943] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6941] <... futex resumed>) = 1 [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... futex resumed>) = 0 [pid 6943] <... setsockopt resumed>) = 0 [pid 6941] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6937] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6937] <... futex resumed>) = 0 [pid 6943] <... futex resumed>) = 1 [pid 6941] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6940] <... futex resumed>) = 0 [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6943] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... sendto resumed>) = 1 [pid 6940] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6943] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6941] <... futex resumed>) = 1 [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... futex resumed>) = 0 [pid 6943] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6941] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6937] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6937] <... futex resumed>) = 0 [pid 6943] <... futex resumed>) = 1 [pid 6941] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6940] <... futex resumed>) = 0 [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6943] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... sendto resumed>) = 1 [pid 6940] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6943] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6941] <... futex resumed>) = 1 [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6937] <... futex resumed>) = 0 [pid 6943] <... setsockopt resumed>) = 0 [pid 6941] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6939] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6939] <... futex resumed>) = 0 [pid 6937] <... futex resumed>) = 0 [pid 6943] <... futex resumed>) = 1 [pid 6941] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6940] <... futex resumed>) = 0 [pid 6939] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6937] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6943] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... openat resumed>) = 4 [pid 6940] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] <... mmap resumed>) = 0x7fc128088000 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] write(4, "5", 1 [pid 6940] <... futex resumed>) = 0 [pid 6939] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6943] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6941] <... write resumed>) = 1 [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] <... mprotect resumed>) = 0 [pid 6943] <... sendto resumed>) = 1 [pid 6941] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6939] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6943] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... setsockopt resumed>) = 0 [pid 6943] <... futex resumed>) = 1 [pid 6941] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = 0 [pid 6939] <... clone resumed>, parent_tid=[6944], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6944 [pid 6943] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... futex resumed>) = 1 [pid 6940] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6944 attached [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6937] exit_group(0 [pid 6944] set_robust_list(0x7fc1280a89e0, 24 [pid 6943] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6941] <... futex resumed>) = ? [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... exit_group resumed>) = ? [pid 6944] <... set_robust_list resumed>) = 0 [pid 6943] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6941] +++ exited with 0 +++ [pid 6937] +++ exited with 0 +++ [pid 6944] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6943] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6937, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6944] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6943] <... futex resumed>) = 1 [pid 6940] <... futex resumed>) = 0 [pid 6944] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... futex resumed>) = 1 [pid 6943] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6940] <... futex resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6944] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6943] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6940] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6939] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6943] <... openat resumed>) = 4 [pid 6939] <... futex resumed>) = 0 [pid 6944] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6943] write(4, "5", 1 [pid 6939] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6944] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6943] <... write resumed>) = 1 [pid 6944] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6943] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6945 [pid 6944] <... futex resumed>) = 1 [pid 6943] <... setsockopt resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6944] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6943] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6939] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6939] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6945 attached [pid 6944] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6939] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] set_robust_list(0x5555564f35e0, 24 [pid 6944] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6945] <... set_robust_list resumed>) = 0 [pid 6944] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6944] <... futex resumed>) = 1 [pid 6939] <... futex resumed>) = 0 [pid 6945] <... prctl resumed>) = 0 [pid 6944] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6939] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6934] <... futex resumed>) = ? [pid 6945] setpgid(0, 0 [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6939] <... futex resumed>) = 0 [pid 6934] +++ exited with 0 +++ [pid 6928] +++ exited with 0 +++ [pid 6945] <... setpgid resumed>) = 0 [pid 6944] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6939] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6928, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6944] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6945] <... openat resumed>) = 3 [pid 6944] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] write(3, "1000", 4 [pid 6944] <... futex resumed>) = 1 [pid 6939] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6945] <... write resumed>) = 4 [pid 6944] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6939] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] close(3 [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6939] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6946 [pid 6945] <... close resumed>) = 0 [pid 6944] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6939] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6945] <... futex resumed>) = 0 [pid 6944] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6946 attached [pid 6945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6944] <... futex resumed>) = 1 [pid 6940] exit_group(0 [pid 6939] <... futex resumed>) = 0 [pid 6946] set_robust_list(0x5555564f35e0, 24 [pid 6945] <... mmap resumed>) = 0x7fc1280a9000 [pid 6944] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6940] <... exit_group resumed>) = ? [pid 6939] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... set_robust_list resumed>) = 0 [pid 6945] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6939] <... futex resumed>) = 0 [pid 6946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6945] <... mprotect resumed>) = 0 [pid 6944] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6939] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 251.142035][ T6935] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 251.150037][ T6935] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 251.158033][ T6935] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 251.166050][ T6935] [ 251.169097][ T6943] CPU: 1 PID: 6943 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 251.179715][ T6943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 251.189782][ T6943] Call Trace: [ 251.193070][ T6943] [ 251.196007][ T6943] dump_stack_lvl+0xcd/0x134 [ 251.200618][ T6943] should_fail.cold+0x5/0xa [ 251.205137][ T6943] get_futex_key+0x5b2/0x1c50 [ 251.209857][ T6943] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 251.215863][ T6943] ? futex_setup_timer+0xf0/0xf0 [ 251.220823][ T6943] futex_wake+0xe4/0x490 [ 251.225077][ T6943] ? futex_wake_mark+0x1a0/0x1a0 [ 251.230070][ T6943] ? ptrace_stop.part.0+0x5ec/0xa80 [ 251.235291][ T6943] ? do_raw_spin_lock+0x120/0x2a0 [ 251.240360][ T6943] ? rwlock_bug.part.0+0x90/0x90 [ 251.245310][ T6943] ? _raw_spin_lock_irq+0x41/0x50 [ 251.250362][ T6943] do_futex+0x266/0x300 [ 251.254537][ T6943] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 251.260442][ T6943] ? find_held_lock+0x2d/0x110 [ 251.265232][ T6943] __x64_sys_futex+0x1b0/0x4a0 [ 251.270012][ T6943] ? do_futex+0x300/0x300 [ 251.274346][ T6943] ? _raw_spin_unlock_irq+0x1f/0x40 [ 251.279582][ T6943] ? lockdep_hardirqs_on+0x79/0x100 [ 251.284814][ T6943] ? _raw_spin_unlock_irq+0x2a/0x40 [ 251.290036][ T6943] ? ptrace_notify+0xfa/0x140 [ 251.294740][ T6943] do_syscall_64+0x35/0xb0 [ 251.299190][ T6943] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 251.305098][ T6943] RIP: 0033:0x7fc128117db9 [ 251.309519][ T6943] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 251.329154][ T6943] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 251.337569][ T6943] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6946] <... prctl resumed>) = 0 [pid 6945] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6944] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6942 attached [pid 6946] setpgid(0, 0 [pid 6944] write(3, "5", 1 [pid 6939] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6946] <... setpgid resumed>) = 0 [pid 6945] <... clone resumed>, parent_tid=[6947], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6947 [pid 6944] <... write resumed>) = 1 [pid 6946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6945] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6946] <... openat resumed>) = 3 [pid 6945] <... futex resumed>) = 0 [pid 6944] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6947 attached [pid 6946] write(3, "1000", 4 [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6944] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] set_robust_list(0x7fc1280c99e0, 24 [pid 6946] <... write resumed>) = 4 [pid 6944] <... futex resumed>) = 0 [pid 6947] <... set_robust_list resumed>) = 0 [pid 6946] close(3 [pid 6944] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6946] <... close resumed>) = 0 [ 251.345538][ T6943] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 251.353520][ T6943] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 251.361510][ T6943] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 251.369489][ T6943] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 251.377487][ T6943] [ 251.380571][ T6936] CPU: 0 PID: 6936 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 6947] <... socket resumed>) = 3 [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] <... futex resumed>) = 0 [pid 6947] <... futex resumed>) = 1 [pid 6946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6945] <... futex resumed>) = 0 [pid 6947] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] <... mmap resumed>) = 0x7fc1280a9000 [pid 6945] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6945] <... futex resumed>) = 0 [pid 6947] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6946] <... mprotect resumed>) = 0 [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6947] <... setsockopt resumed>) = 0 [pid 6946] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6947] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6946] <... clone resumed>, parent_tid=[6948], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6948 [pid 6945] <... futex resumed>) = 0 [pid 6947] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] <... futex resumed>) = 0 [pid 6945] <... futex resumed>) = 0 [pid 6947] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6948 attached [pid 6947] <... setsockopt resumed>) = 0 [pid 6948] set_robust_list(0x7fc1280c99e0, 24 [pid 6947] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... set_robust_list resumed>) = 0 [pid 6947] <... futex resumed>) = 1 [pid 6945] <... futex resumed>) = 0 [pid 6948] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6947] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6945] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... socket resumed>) = 3 [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6945] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [ 251.391098][ T6936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 251.401181][ T6936] Call Trace: [ 251.404484][ T6936] [ 251.407461][ T6936] dump_stack_lvl+0xcd/0x134 [ 251.412089][ T6936] should_fail.cold+0x5/0xa [ 251.416630][ T6936] get_futex_key+0x5b2/0x1c50 [ 251.421340][ T6936] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 251.427358][ T6936] ? futex_setup_timer+0xf0/0xf0 [ 251.432330][ T6936] futex_wake+0xe4/0x490 [ 251.436601][ T6936] ? futex_wake_mark+0x1a0/0x1a0 [ 251.441567][ T6936] ? ptrace_stop.part.0+0x5ec/0xa80 [ 251.446793][ T6936] ? do_raw_spin_lock+0x120/0x2a0 [ 251.451856][ T6936] ? rwlock_bug.part.0+0x90/0x90 [ 251.456822][ T6936] ? _raw_spin_lock_irq+0x41/0x50 [ 251.461888][ T6936] do_futex+0x266/0x300 [ 251.466083][ T6936] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 251.472023][ T6936] ? find_held_lock+0x2d/0x110 [ 251.476858][ T6936] __x64_sys_futex+0x1b0/0x4a0 [ 251.481657][ T6936] ? do_futex+0x300/0x300 [ 251.486016][ T6936] ? _raw_spin_unlock_irq+0x1f/0x40 [ 251.491244][ T6936] ? lockdep_hardirqs_on+0x79/0x100 [ 251.491804][ T6948] FAULT_INJECTION: forcing a failure. [ 251.491804][ T6948] name fail_futex, interval 1, probability 0, space 0, times 0 [ 251.496450][ T6936] ? _raw_spin_unlock_irq+0x2a/0x40 [ 251.496482][ T6936] ? ptrace_notify+0xfa/0x140 [ 251.496511][ T6936] do_syscall_64+0x35/0xb0 [ 251.496534][ T6936] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 251.496560][ T6936] RIP: 0033:0x7fc128117db9 [ 251.533915][ T6936] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 251.553556][ T6936] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 251.561992][ T6936] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 251.569979][ T6936] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 251.577969][ T6936] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 251.585961][ T6936] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] <... futex resumed>) = 1 [pid 6947] <... setsockopt resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6947] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6945] <... futex resumed>) = 0 [pid 6948] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6947] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... setsockopt resumed>) = 0 [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6945] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] <... futex resumed>) = 1 [pid 6947] <... sendto resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6947] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6945] <... futex resumed>) = 0 [pid 6948] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6947] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6945] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] <... futex resumed>) = 1 [pid 6947] <... sendto resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6946] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6947] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6945] <... futex resumed>) = 0 [pid 6948] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6947] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... setsockopt resumed>) = 0 [pid 6947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6945] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6945] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] <... futex resumed>) = 1 [pid 6947] <... openat resumed>) = 4 [pid 6946] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] write(4, "5", 1 [pid 6946] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6947] <... write resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6948] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6947] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] <... sendto resumed>) = 1 [pid 6947] <... setsockopt resumed>) = 0 [pid 6948] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6947] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = 1 [pid 6947] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 6945] <... futex resumed>) = 0 [pid 6948] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6947] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6945] exit_group(0 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6947] <... futex resumed>) = ? [pid 6946] <... futex resumed>) = 0 [pid 6945] <... exit_group resumed>) = ? [pid 6948] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6947] +++ exited with 0 +++ [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6945] +++ exited with 0 +++ [pid 6948] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6948] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 6948] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 3615] <... restart_syscall resumed>) = 0 [pid 6948] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6946] <... futex resumed>) = 0 [pid 6948] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6946] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6948] <... openat resumed>) = 4 [pid 6948] write(4, "5", 1 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6949 [pid 6948] <... write resumed>) = 1 [pid 6948] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6948] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6949 attached [pid 6949] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6949] setpgid(0, 0) = 0 [pid 6949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6949] write(3, "1000", 4) = 4 [pid 6949] close(3) = 0 [pid 6949] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6949] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6949] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6950], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6950 [pid 6949] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6949] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6946] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6946] exit_group(0) = ? [pid 6949] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6949] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6942] set_robust_list(0x7fc1280c99e0, 24 [pid 6949] <... mmap resumed>) = 0x7fc128088000 [pid 6942] <... set_robust_list resumed>) = 0 [pid 6949] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6942] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6949] <... mprotect resumed>) = 0 [pid 6942] <... socket resumed>) = 4 [pid 6949] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6942] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6949] <... clone resumed>, parent_tid=[6951], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6951 [pid 6942] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6939] exit_group(0 [pid 6949] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] <... futex resumed>) = ? [pid 6942] <... futex resumed>) = ? [pid 6939] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6951 attached ./strace-static-x86_64: Process 6950 attached [pid 6949] <... futex resumed>) = 0 [pid 6942] +++ exited with 0 +++ [pid 6951] set_robust_list(0x7fc1280a89e0, 24 [pid 6950] set_robust_list(0x7fc1280c99e0, 24 [pid 6949] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6951] <... set_robust_list resumed>) = 0 [pid 6950] <... set_robust_list resumed>) = 0 [pid 6951] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6950] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6951] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] <... socket resumed>) = 3 [pid 6951] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... futex resumed>) = 1 [pid 6950] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = 0 [ 251.593958][ T6936] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 251.601972][ T6936] [ 251.606975][ T6944] FAULT_INJECTION: forcing a failure. [ 251.606975][ T6944] name fail_futex, interval 1, probability 0, space 0, times 0 [ 251.633721][ T6948] CPU: 1 PID: 6948 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 251.644318][ T6948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 251.654393][ T6948] Call Trace: [ 251.657683][ T6948] [ 251.660630][ T6948] dump_stack_lvl+0xcd/0x134 [ 251.665253][ T6948] should_fail.cold+0x5/0xa [ 251.669793][ T6948] get_futex_key+0x5b2/0x1c50 [ 251.674487][ T6948] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 251.680475][ T6948] ? futex_setup_timer+0xf0/0xf0 [ 251.685445][ T6948] futex_wake+0xe4/0x490 [ 251.689703][ T6948] ? futex_wake_mark+0x1a0/0x1a0 [ 251.694646][ T6948] ? ptrace_stop.part.0+0x5ec/0xa80 [ 251.699865][ T6948] ? do_raw_spin_lock+0x120/0x2a0 [ 251.704894][ T6948] ? rwlock_bug.part.0+0x90/0x90 [ 251.709832][ T6948] ? _raw_spin_lock_irq+0x41/0x50 [ 251.714870][ T6948] do_futex+0x266/0x300 [ 251.719031][ T6948] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 251.724924][ T6948] ? find_held_lock+0x2d/0x110 [ 251.729700][ T6948] __x64_sys_futex+0x1b0/0x4a0 [ 251.734471][ T6948] ? do_futex+0x300/0x300 [ 251.738798][ T6948] ? _raw_spin_unlock_irq+0x1f/0x40 [ 251.744006][ T6948] ? lockdep_hardirqs_on+0x79/0x100 [ 251.749208][ T6948] ? _raw_spin_unlock_irq+0x2a/0x40 [ 251.754411][ T6948] ? ptrace_notify+0xfa/0x140 [ 251.759096][ T6948] do_syscall_64+0x35/0xb0 [ 251.763513][ T6948] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 251.769416][ T6948] RIP: 0033:0x7fc128117db9 [ 251.773836][ T6948] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6951] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6950] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6949] <... futex resumed>) = 0 [pid 6950] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6949] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6950] <... setsockopt resumed>) = 0 [pid 6950] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6950] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 251.793450][ T6948] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 251.801866][ T6948] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 251.809843][ T6948] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 251.817812][ T6948] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 251.825799][ T6948] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 251.833770][ T6948] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 251.841752][ T6948] [ 251.859812][ T6944] CPU: 1 PID: 6944 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 251.870371][ T6944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 251.880441][ T6944] Call Trace: [ 251.883726][ T6944] [ 251.886671][ T6944] dump_stack_lvl+0xcd/0x134 [ 251.891283][ T6944] should_fail.cold+0x5/0xa [ 251.895811][ T6944] get_futex_key+0x282/0x1c50 [ 251.900506][ T6944] ? __lock_acquire+0x163e/0x5660 [ 251.905563][ T6944] ? futex_setup_timer+0xf0/0xf0 [ 251.910531][ T6944] futex_wake+0xe4/0x490 [ 251.914798][ T6944] ? futex_wake_mark+0x1a0/0x1a0 [ 251.919763][ T6944] ? find_held_lock+0x2d/0x110 [ 251.924554][ T6944] do_futex+0x266/0x300 [ 251.928727][ T6944] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 251.934653][ T6944] mm_release+0x235/0x2c0 [ 251.939001][ T6944] do_exit+0x8a0/0x29d0 [ 251.943177][ T6944] ? find_held_lock+0x2d/0x110 [ 251.947975][ T6944] ? mm_update_next_owner+0x7a0/0x7a0 [ 251.953366][ T6944] ? lock_downgrade+0x6e0/0x6e0 [ 251.958241][ T6944] do_group_exit+0xd2/0x2f0 [ 251.962774][ T6944] get_signal+0x2542/0x2600 [ 251.967334][ T6944] ? exit_signals+0x8b0/0x8b0 [ 251.972028][ T6944] ? userns_owner+0x40/0x40 [ 251.976554][ T6944] ? __task_pid_nr_ns+0x168/0x4b0 [ 251.981599][ T6944] ? lock_downgrade+0x6e0/0x6e0 [ 251.986473][ T6944] arch_do_signal_or_restart+0x82/0x2300 [ 251.992128][ T6944] ? from_kuid_munged+0xa2/0x130 [ 251.997091][ T6944] ? find_held_lock+0x2d/0x110 [ 252.001885][ T6944] ? get_sigframe_size+0x10/0x10 [ 252.007018][ T6944] ? ptrace_notify+0xfa/0x140 [ 252.011712][ T6944] ? lock_downgrade+0x6e0/0x6e0 [ 252.017549][ T6944] ? send_sig+0xfe/0x160 [ 252.021793][ T6944] ? send_sig_info+0x140/0x140 [ 252.026560][ T6944] ? exit_to_user_mode_prepare+0x137/0x250 [ 252.032386][ T6944] exit_to_user_mode_prepare+0x15f/0x250 [ 252.038024][ T6944] syscall_exit_to_user_mode+0x19/0x50 [ 252.043490][ T6944] do_syscall_64+0x42/0xb0 [ 252.047909][ T6944] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 252.053812][ T6944] RIP: 0033:0x7fc128117db9 [ 252.058233][ T6944] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 252.077845][ T6944] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 252.086257][ T6944] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 252.094228][ T6944] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 252.102219][ T6944] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6949] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6949] <... futex resumed>) = 0 [pid 6943] <... futex resumed>) = ? [pid 6935] <... futex resumed>) = ? [pid 6950] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6949] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6950] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6943] +++ exited with 0 +++ [pid 6940] +++ exited with 0 +++ [pid 6950] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6935] +++ exited with 0 +++ [pid 6930] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6940, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6950] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6930, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6949] <... futex resumed>) = 0 [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6950] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6949] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6952 [pid 3607] <... restart_syscall resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6953 ./strace-static-x86_64: Process 6952 attached [pid 6950] <... sendto resumed>) = 1 ./strace-static-x86_64: Process 6953 attached [pid 6952] set_robust_list(0x5555564f35e0, 24 [pid 6950] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] set_robust_list(0x5555564f35e0, 24 [pid 6952] <... set_robust_list resumed>) = 0 [pid 6950] <... futex resumed>) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6953] <... set_robust_list resumed>) = 0 [pid 6952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6950] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6949] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6952] <... prctl resumed>) = 0 [pid 6950] <... sendto resumed>) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6953] <... prctl resumed>) = 0 [pid 6952] setpgid(0, 0 [pid 6950] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] setpgid(0, 0 [pid 6952] <... setpgid resumed>) = 0 [pid 6950] <... futex resumed>) = 0 [pid 6949] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6953] <... setpgid resumed>) = 0 [pid 6952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6950] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6952] <... openat resumed>) = 3 [pid 6950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6949] <... futex resumed>) = 0 [pid 6953] <... openat resumed>) = 3 [pid 6952] write(3, "1000", 4 [pid 6950] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [ 252.110189][ T6944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 252.118160][ T6944] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 252.126144][ T6944] [pid 6949] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6953] write(3, "1000", 4 [pid 6952] <... write resumed>) = 4 [pid 6950] <... openat resumed>) = 4 [pid 6953] <... write resumed>) = 4 [pid 6952] close(3 [pid 6953] close(3 [pid 6952] <... close resumed>) = 0 [pid 6950] write(4, "5", 1 [pid 6953] <... close resumed>) = 0 [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... write resumed>) = 1 [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... futex resumed>) = 0 [pid 6950] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6953] <... futex resumed>) = 0 [pid 6952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6950] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 6953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6952] <... mmap resumed>) = 0x7fc1280a9000 [pid 6950] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... mmap resumed>) = 0x7fc1280a9000 [pid 6952] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6950] <... futex resumed>) = 1 [pid 6949] <... futex resumed>) = 0 [pid 6953] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6952] <... mprotect resumed>) = 0 [pid 6950] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6949] exit_group(0 [pid 6953] <... mprotect resumed>) = 0 [pid 6952] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6951] <... futex resumed>) = ? [pid 6950] <... futex resumed>) = ? [pid 6949] <... exit_group resumed>) = ? [pid 6953] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6951] +++ exited with 0 +++ [pid 6953] <... clone resumed>, parent_tid=[6955], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6955 [pid 6953] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6955 attached [pid 6955] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6955] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6955] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6953] <... futex resumed>) = 0 [pid 6955] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6953] <... futex resumed>) = 0 [pid 6955] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... setsockopt resumed>) = 0 [pid 6952] <... clone resumed>, parent_tid=[6954], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6954 ./strace-static-x86_64: Process 6954 attached [pid 6955] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = 1 [pid 6954] set_robust_list(0x7fc1280c99e0, 24 [pid 6953] <... futex resumed>) = 0 [pid 6952] <... futex resumed>) = 0 [pid 6955] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6954] <... set_robust_list resumed>) = 0 [pid 6953] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6954] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6953] <... futex resumed>) = 0 [pid 6955] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6954] <... socket resumed>) = 3 [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6954] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6953] <... futex resumed>) = 0 [pid 6955] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6953] <... futex resumed>) = 0 [pid 6955] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... setsockopt resumed>) = 0 [pid 6955] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6953] <... futex resumed>) = 0 [pid 6955] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6953] <... futex resumed>) = 0 [pid 6955] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... sendto resumed>) = 1 [pid 6955] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6953] <... futex resumed>) = 0 [pid 6955] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6953] <... futex resumed>) = 0 [pid 6955] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6955] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6953] <... futex resumed>) = 0 [ 252.184742][ T6950] FAULT_INJECTION: forcing a failure. [ 252.184742][ T6950] name fail_futex, interval 1, probability 0, space 0, times 0 [ 252.208282][ T6950] CPU: 0 PID: 6950 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 252.218857][ T6950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 252.228939][ T6950] Call Trace: [ 252.232238][ T6950] [pid 6955] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6953] <... futex resumed>) = 0 [pid 6955] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6953] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6955] <... openat resumed>) = 4 [pid 6955] write(4, "5", 1) = 1 [pid 6955] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 252.235188][ T6950] dump_stack_lvl+0xcd/0x134 [ 252.237983][ T6955] FAULT_INJECTION: forcing a failure. [ 252.237983][ T6955] name fail_futex, interval 1, probability 0, space 0, times 0 [ 252.239788][ T6950] should_fail.cold+0x5/0xa [ 252.257089][ T6950] get_futex_key+0x5b2/0x1c50 [ 252.261791][ T6950] ? __lock_acquire+0x163e/0x5660 [ 252.266836][ T6950] ? futex_setup_timer+0xf0/0xf0 [ 252.271799][ T6950] futex_wake+0xe4/0x490 [ 252.276070][ T6950] ? futex_wake_mark+0x1a0/0x1a0 [ 252.281033][ T6950] ? find_held_lock+0x2d/0x110 [ 252.285827][ T6950] do_futex+0x266/0x300 [ 252.290010][ T6950] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 252.295939][ T6950] mm_release+0x235/0x2c0 [ 252.300298][ T6950] do_exit+0x8a0/0x29d0 [ 252.304476][ T6950] ? find_held_lock+0x2d/0x110 [ 252.309283][ T6950] ? mm_update_next_owner+0x7a0/0x7a0 [ 252.314684][ T6950] ? lock_downgrade+0x6e0/0x6e0 [ 252.319565][ T6950] do_group_exit+0xd2/0x2f0 [ 252.324111][ T6950] get_signal+0x2542/0x2600 [ 252.328663][ T6950] ? exit_signals+0x8b0/0x8b0 [ 252.333382][ T6950] ? userns_owner+0x40/0x40 [ 252.337912][ T6950] ? __task_pid_nr_ns+0x168/0x4b0 [ 252.342980][ T6950] ? lock_downgrade+0x6e0/0x6e0 [ 252.348296][ T6950] arch_do_signal_or_restart+0x82/0x2300 [ 252.353956][ T6950] ? from_kuid_munged+0xa2/0x130 [ 252.358930][ T6950] ? find_held_lock+0x2d/0x110 [ 252.363733][ T6950] ? get_sigframe_size+0x10/0x10 [ 252.368704][ T6950] ? ptrace_notify+0xfa/0x140 [ 252.373408][ T6950] ? lock_downgrade+0x6e0/0x6e0 [ 252.378292][ T6950] ? send_sig+0xfe/0x160 [ 252.382561][ T6950] ? send_sig_info+0x140/0x140 [ 252.387362][ T6950] ? exit_to_user_mode_prepare+0x137/0x250 [ 252.393205][ T6950] exit_to_user_mode_prepare+0x15f/0x250 [ 252.398893][ T6950] syscall_exit_to_user_mode+0x19/0x50 [ 252.404381][ T6950] do_syscall_64+0x42/0xb0 [ 252.408832][ T6950] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 252.414756][ T6950] RIP: 0033:0x7fc128117db9 [ 252.419185][ T6950] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 252.439420][ T6950] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 252.447875][ T6950] RAX: fffffffffffffe00 RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 252.455872][ T6950] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04a8 [ 252.463864][ T6950] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 252.471847][ T6950] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 6955] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6953] exit_group(0) = ? [pid 6954] <... futex resumed>) = 1 [pid 6952] <... futex resumed>) = 0 [ 252.479832][ T6950] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 252.487883][ T6950] [ 252.494822][ T6955] CPU: 1 PID: 6955 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 252.505370][ T6955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 252.515446][ T6955] Call Trace: [ 252.518736][ T6955] [ 252.521678][ T6955] dump_stack_lvl+0xcd/0x134 [ 252.526295][ T6955] should_fail.cold+0x5/0xa [ 252.530827][ T6955] get_futex_key+0x5b2/0x1c50 [ 252.535524][ T6955] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 252.541528][ T6955] ? futex_setup_timer+0xf0/0xf0 [ 252.546501][ T6955] futex_wake+0xe4/0x490 [ 252.550776][ T6955] ? futex_wake_mark+0x1a0/0x1a0 [ 252.555746][ T6955] ? ptrace_stop.part.0+0x5ec/0xa80 [ 252.560969][ T6955] ? do_raw_spin_lock+0x120/0x2a0 [ 252.566017][ T6955] ? rwlock_bug.part.0+0x90/0x90 [ 252.569569][ T6954] FAULT_INJECTION: forcing a failure. [ 252.569569][ T6954] name fail_futex, interval 1, probability 0, space 0, times 0 [ 252.570990][ T6955] ? _raw_spin_lock_irq+0x41/0x50 [ 252.571029][ T6955] do_futex+0x266/0x300 [ 252.592971][ T6955] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 252.598885][ T6955] ? find_held_lock+0x2d/0x110 [ 252.603682][ T6955] __x64_sys_futex+0x1b0/0x4a0 [ 252.608476][ T6955] ? do_futex+0x300/0x300 [ 252.612823][ T6955] ? _raw_spin_unlock_irq+0x1f/0x40 [ 252.618042][ T6955] ? lockdep_hardirqs_on+0x79/0x100 [ 252.623260][ T6955] ? _raw_spin_unlock_irq+0x2a/0x40 [ 252.628479][ T6955] ? ptrace_notify+0xfa/0x140 [ 252.633183][ T6955] do_syscall_64+0x35/0xb0 [ 252.637620][ T6955] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 252.643527][ T6955] RIP: 0033:0x7fc128117db9 [ 252.647967][ T6955] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 252.667686][ T6955] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 252.676125][ T6955] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 6954] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6954] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... setsockopt resumed>) = 0 [pid 6954] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6954] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6954] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6954] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6954] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6954] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... setsockopt resumed>) = 0 [pid 6954] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6954] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6954] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... sendto resumed>) = 1 [pid 6954] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6954] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6954] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6954] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6952] <... futex resumed>) = 0 [pid 6954] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] <... futex resumed>) = 0 [pid 6954] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6952] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6954] <... openat resumed>) = 4 [pid 6954] write(4, "5", 1) = 1 [pid 6954] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6954] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6952] exit_group(0) = ? [ 252.684109][ T6955] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 252.692093][ T6955] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 252.700082][ T6955] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 252.708069][ T6955] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 252.716068][ T6955] [ 252.719096][ T6954] CPU: 0 PID: 6954 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 252.729622][ T6954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 252.739678][ T6954] Call Trace: [ 252.742952][ T6954] [ 252.745889][ T6954] dump_stack_lvl+0xcd/0x134 [ 252.750493][ T6954] should_fail.cold+0x5/0xa [ 252.755001][ T6954] get_futex_key+0x5b2/0x1c50 [ 252.759684][ T6954] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 252.765668][ T6954] ? futex_setup_timer+0xf0/0xf0 [ 252.770629][ T6954] futex_wake+0xe4/0x490 [ 252.774880][ T6954] ? futex_wake_mark+0x1a0/0x1a0 [ 252.779827][ T6954] ? ptrace_stop.part.0+0x5ec/0xa80 [ 252.785029][ T6954] ? do_raw_spin_lock+0x120/0x2a0 [ 252.790060][ T6954] ? rwlock_bug.part.0+0x90/0x90 [ 252.795001][ T6954] ? _raw_spin_lock_irq+0x41/0x50 [ 252.800033][ T6954] do_futex+0x266/0x300 [ 252.804193][ T6954] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 252.810087][ T6954] ? find_held_lock+0x2d/0x110 [ 252.814864][ T6954] __x64_sys_futex+0x1b0/0x4a0 [ 252.819638][ T6954] ? do_futex+0x300/0x300 [ 252.823965][ T6954] ? _raw_spin_unlock_irq+0x1f/0x40 [ 252.829254][ T6954] ? lockdep_hardirqs_on+0x79/0x100 [ 252.834456][ T6954] ? _raw_spin_unlock_irq+0x2a/0x40 [ 252.839657][ T6954] ? ptrace_notify+0xfa/0x140 [ 252.844338][ T6954] do_syscall_64+0x35/0xb0 [ 252.848756][ T6954] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 252.854654][ T6954] RIP: 0033:0x7fc128117db9 [ 252.859071][ T6954] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 252.878678][ T6954] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6936] <... futex resumed>) = ? [pid 6936] +++ exited with 0 +++ [pid 6931] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6931, si_uid=0, si_status=0, si_utime=0, si_stime=40} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6956 ./strace-static-x86_64: Process 6956 attached [pid 6956] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6956] setpgid(0, 0) = 0 [pid 6956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6956] write(3, "1000", 4) = 4 [pid 6956] close(3) = 0 [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6956] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6956] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6957], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6957 [ 252.887090][ T6954] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 252.895062][ T6954] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 252.903032][ T6954] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 252.911011][ T6954] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 252.918980][ T6954] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 252.926959][ T6954] [pid 6956] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6957 attached [pid 6957] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6957] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6957] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6957] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 6957] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6957] <... setsockopt resumed>) = 0 [pid 6957] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6957] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 6957] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6957] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6957] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6944] +++ exited with 0 +++ [pid 6939] +++ exited with 0 +++ [pid 6957] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6939, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 6957] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 6957] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6957] <... setsockopt resumed>) = 0 [pid 6957] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6956] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6957] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 6957] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6958 ./strace-static-x86_64: Process 6958 attached [pid 6957] <... sendto resumed>) = 1 [pid 6958] set_robust_list(0x5555564f35e0, 24 [pid 6957] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... set_robust_list resumed>) = 0 [pid 6957] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6957] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... prctl resumed>) = 0 [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 6958] setpgid(0, 0 [pid 6957] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6958] <... setpgid resumed>) = 0 [pid 6957] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6957] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... openat resumed>) = 3 [pid 6957] <... futex resumed>) = 1 [pid 6956] <... futex resumed>) = 0 [pid 6958] write(3, "1000", 4 [pid 6957] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6956] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... write resumed>) = 4 [pid 6957] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6956] <... futex resumed>) = 0 [pid 6958] close(3 [pid 6957] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6956] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6958] <... close resumed>) = 0 [pid 6957] <... openat resumed>) = 4 [pid 6948] <... futex resumed>) = ? [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6957] write(4, "5", 1 [pid 6958] <... futex resumed>) = 0 [pid 6957] <... write resumed>) = 1 [pid 6958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6957] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6958] <... mmap resumed>) = 0x7fc1280a9000 [pid 6957] <... setsockopt resumed>) = 0 [pid 6958] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6957] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] +++ exited with 0 +++ [pid 6946] +++ exited with 0 +++ [pid 6958] <... mprotect resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6946, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 6958] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6959], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6959 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6958] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6959 attached ) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6960 [pid 6959] set_robust_list(0x7fc1280c99e0, 24 [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6960 attached [pid 6959] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6960] set_robust_list(0x5555564f35e0, 24 [pid 6959] <... socket resumed>) = 3 [pid 6959] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... set_robust_list resumed>) = 0 [pid 6959] <... futex resumed>) = 1 [pid 6958] <... futex resumed>) = 0 [pid 6960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6959] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... prctl resumed>) = 0 [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] <... futex resumed>) = 0 [pid 6960] setpgid(0, 0 [pid 6959] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] <... setpgid resumed>) = 0 [pid 6960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6959] <... setsockopt resumed>) = 0 [pid 6960] <... openat resumed>) = 3 [ 253.028837][ T6957] FAULT_INJECTION: forcing a failure. [ 253.028837][ T6957] name fail_futex, interval 1, probability 0, space 0, times 0 [ 253.060829][ T6957] CPU: 1 PID: 6957 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 253.071388][ T6957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 253.081468][ T6957] Call Trace: [ 253.084762][ T6957] [ 253.087712][ T6957] dump_stack_lvl+0xcd/0x134 [ 253.092366][ T6957] should_fail.cold+0x5/0xa [ 253.096903][ T6957] get_futex_key+0x5b2/0x1c50 [ 253.101610][ T6957] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 253.107626][ T6957] ? futex_setup_timer+0xf0/0xf0 [ 253.112603][ T6957] futex_wake+0xe4/0x490 [ 253.116876][ T6957] ? futex_wake_mark+0x1a0/0x1a0 [ 253.121838][ T6957] ? ptrace_stop.part.0+0x5ec/0xa80 [pid 6959] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6958] <... futex resumed>) = 0 [pid 6955] <... futex resumed>) = ? [pid 6954] <... futex resumed>) = ? [pid 6950] +++ exited with 0 +++ [pid 6949] +++ exited with 0 +++ [pid 6959] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6955] +++ exited with 0 +++ [pid 6954] +++ exited with 0 +++ [pid 6953] +++ exited with 0 +++ [pid 6952] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6949, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] <... futex resumed>) = 0 [pid 6959] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] <... setsockopt resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6959] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6958] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6961 [pid 6959] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] <... futex resumed>) = 0 [pid 6959] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] <... setsockopt resumed>) = 0 [pid 6959] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6958] <... futex resumed>) = 0 [pid 6959] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] <... futex resumed>) = 0 [pid 6959] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] <... sendto resumed>) = 1 [pid 6959] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6958] <... futex resumed>) = 0 [pid 6959] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] <... futex resumed>) = 0 [pid 6959] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] <... sendto resumed>) = 1 [pid 6959] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6958] <... futex resumed>) = 0 [pid 6959] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6958] <... futex resumed>) = 0 [pid 6959] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6958] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6959] <... openat resumed>) = 4 [pid 6959] write(4, "5", 1) = 1 [pid 6959] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6959] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6958] <... futex resumed>) = 0 [pid 6959] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] exit_group(0 [pid 6959] <... futex resumed>) = ? [pid 6958] <... exit_group resumed>) = ? [pid 6959] +++ exited with 0 +++ [pid 6958] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6958, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 6962 ./strace-static-x86_64: Process 6962 attached [pid 6962] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6962] setpgid(0, 0) = 0 [pid 6962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6962] write(3, "1000", 4) = 4 [pid 6962] close(3) = 0 [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6952, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6953, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6963 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6964 [pid 6962] <... futex resumed>) = 0 [pid 6962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6962] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6962] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6965], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6965 [pid 6962] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6965 attached [pid 6965] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6965] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6965] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6962] <... futex resumed>) = 0 [pid 6965] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6962] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... setsockopt resumed>) = 0 [pid 6962] <... futex resumed>) = 0 [pid 6965] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... futex resumed>) = 0 [pid 6962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6965] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] <... futex resumed>) = 0 [pid 6965] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... setsockopt resumed>) = 0 [pid 6965] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6962] <... futex resumed>) = 0 [pid 6965] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] <... futex resumed>) = 0 [pid 6965] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... setsockopt resumed>) = 0 [pid 6965] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6962] <... futex resumed>) = 0 [pid 6965] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] <... futex resumed>) = 0 [pid 6965] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... sendto resumed>) = 1 [pid 6965] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6962] <... futex resumed>) = 0 [pid 6965] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] <... futex resumed>) = 0 [pid 6965] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... sendto resumed>) = 1 [pid 6965] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6962] <... futex resumed>) = 0 [pid 6965] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] <... futex resumed>) = 0 [pid 6965] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6962] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6965] <... openat resumed>) = 4 [pid 6965] write(4, "5", 1) = 1 [pid 6965] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6965] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6962] <... futex resumed>) = 0 [pid 6965] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6962] exit_group(0 [pid 6965] <... futex resumed>) = ? [pid 6962] <... exit_group resumed>) = ? [pid 6965] +++ exited with 0 +++ [pid 6962] +++ exited with 0 +++ [pid 6960] write(3, "1000", 4 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6962, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6960] <... write resumed>) = 4 [pid 6960] close(3) = 0 [pid 6960] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6960] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6966 [pid 6960] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6967], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6967 [pid 6960] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6960] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6966 attached [pid 6966] set_robust_list(0x5555564f35e0, 24) = 0 [ 253.127060][ T6957] ? do_raw_spin_lock+0x120/0x2a0 [ 253.132207][ T6957] ? rwlock_bug.part.0+0x90/0x90 [ 253.137168][ T6957] ? _raw_spin_lock_irq+0x41/0x50 [ 253.142225][ T6957] do_futex+0x266/0x300 [ 253.146420][ T6957] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 253.152406][ T6957] ? find_held_lock+0x2d/0x110 [ 253.157215][ T6957] __x64_sys_futex+0x1b0/0x4a0 [ 253.162017][ T6957] ? do_futex+0x300/0x300 [ 253.166373][ T6957] ? _raw_spin_unlock_irq+0x1f/0x40 [ 253.171606][ T6957] ? lockdep_hardirqs_on+0x79/0x100 [pid 6966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6966] setpgid(0, 0) = 0 [pid 6966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6966] write(3, "1000", 4) = 4 [pid 6966] close(3) = 0 [pid 6966] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6966] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6966] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6968], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6968 [pid 6966] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6966] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6968 attached [pid 6968] set_robust_list(0x7fc1280c99e0, 24) = 0 [ 253.176834][ T6957] ? _raw_spin_unlock_irq+0x2a/0x40 [ 253.182066][ T6957] ? ptrace_notify+0xfa/0x140 [ 253.186863][ T6957] do_syscall_64+0x35/0xb0 [ 253.191307][ T6957] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 253.197237][ T6957] RIP: 0033:0x7fc128117db9 [ 253.201673][ T6957] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 253.221306][ T6957] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6966] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 6967 attached ./strace-static-x86_64: Process 6964 attached ./strace-static-x86_64: Process 6963 attached ./strace-static-x86_64: Process 6961 attached [pid 6968] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6966] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 0 [pid 6957] <... futex resumed>) = -1 EFAULT (Bad address) [pid 6956] exit_group(0 [pid 6968] <... socket resumed>) = 3 [pid 6967] set_robust_list(0x7fc1280c99e0, 24 [pid 6966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6964] set_robust_list(0x5555564f35e0, 24 [pid 6963] set_robust_list(0x5555564f35e0, 24 [pid 6961] set_robust_list(0x5555564f35e0, 24 [pid 6960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6956] <... exit_group resumed>) = ? [pid 6968] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... set_robust_list resumed>) = 0 [pid 6966] <... mmap resumed>) = 0x7fc128088000 [pid 6964] <... set_robust_list resumed>) = 0 [pid 6963] <... set_robust_list resumed>) = 0 [pid 6961] <... set_robust_list resumed>) = 0 [pid 6960] <... mmap resumed>) = 0x7fc128088000 [pid 6968] <... futex resumed>) = 0 [pid 6967] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6966] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6960] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6957] +++ exited with 0 +++ [pid 6956] +++ exited with 0 +++ [pid 6968] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... socket resumed>) = 3 [pid 6966] <... mprotect resumed>) = 0 [pid 6964] <... prctl resumed>) = 0 [pid 6963] <... prctl resumed>) = 0 [pid 6961] <... prctl resumed>) = 0 [pid 6960] <... mprotect resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6956, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6967] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6964] setpgid(0, 0 [pid 6963] setpgid(0, 0 [pid 6961] setpgid(0, 0 [pid 6960] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6967] <... futex resumed>) = 0 [pid 6964] <... setpgid resumed>) = 0 [pid 6963] <... setpgid resumed>) = 0 [pid 6961] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6969 attached [pid 6967] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6966] <... clone resumed>, parent_tid=[6969], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6969 [pid 6964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6960] <... clone resumed>, parent_tid=[6970], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6970 [pid 6966] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... openat resumed>) = 3 [pid 6963] <... openat resumed>) = 3 [pid 6961] <... openat resumed>) = 3 [pid 6960] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6970 attached [pid 6966] <... futex resumed>) = 0 [pid 6964] write(3, "1000", 4 [pid 6963] write(3, "1000", 4 [pid 6961] write(3, "1000", 4 [pid 6960] <... futex resumed>) = 0 [pid 6970] set_robust_list(0x7fc1280a89e0, 24 [pid 6964] <... write resumed>) = 4 [pid 6963] <... write resumed>) = 4 [pid 6961] <... write resumed>) = 4 [pid 6970] <... set_robust_list resumed>) = 0 [pid 6966] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] close(3 [pid 6963] close(3 [pid 6961] close(3 [pid 6960] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6970] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6969] set_robust_list(0x7fc1280a89e0, 24 [pid 6964] <... close resumed>) = 0 [pid 6963] <... close resumed>) = 0 [pid 6961] <... close resumed>) = 0 [pid 6970] <... setsockopt resumed>) = 0 [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6971 [pid 6970] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... set_robust_list resumed>) = 0 [pid 6964] <... futex resumed>) = 0 [pid 6963] <... futex resumed>) = 0 [pid 6961] <... futex resumed>) = 0 [pid 6970] <... futex resumed>) = 1 [pid 6969] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6960] <... futex resumed>) = 0 [pid 6970] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6969] <... setsockopt resumed>) = 0 [pid 6964] <... mmap resumed>) = 0x7fc1280a9000 [pid 6963] <... mmap resumed>) = 0x7fc1280a9000 [pid 6961] <... mmap resumed>) = 0x7fc1280a9000 [pid 6960] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6971 attached [pid 6969] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... futex resumed>) = 0 [pid 6964] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6963] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6961] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6960] <... futex resumed>) = 1 [pid 6971] set_robust_list(0x5555564f35e0, 24 [pid 6969] <... futex resumed>) = 1 [pid 6967] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6966] <... futex resumed>) = 0 [pid 6964] <... mprotect resumed>) = 0 [pid 6963] <... mprotect resumed>) = 0 [pid 6961] <... mprotect resumed>) = 0 [pid 6960] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6971] <... set_robust_list resumed>) = 0 [pid 6969] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... setsockopt resumed>) = 0 [pid 6966] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6963] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6961] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6968] <... futex resumed>) = 0 [pid 6967] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] <... futex resumed>) = 1 [pid 6971] <... prctl resumed>) = 0 [pid 6968] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6967] <... futex resumed>) = 1 [pid 6966] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] <... clone resumed>, parent_tid=[6972], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6972 [pid 6963] <... clone resumed>, parent_tid=[6973], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6973 [pid 6961] <... clone resumed>, parent_tid=[6974], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6974 [pid 6960] <... futex resumed>) = 0 [pid 6968] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6964] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... futex resumed>) = 0 [pid 6963] <... futex resumed>) = 0 [pid 6961] <... futex resumed>) = 0 [pid 6968] <... futex resumed>) = 0 [pid 6967] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] setpgid(0, 0./strace-static-x86_64: Process 6974 attached [ 253.229725][ T6957] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 253.237696][ T6957] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 253.245668][ T6957] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 253.253639][ T6957] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 253.261609][ T6957] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 253.269595][ T6957] [pid 6968] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] <... setpgid resumed>) = 0 [pid 6967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6966] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6973 attached [pid 6974] set_robust_list(0x7fc1280c99e0, 24 [pid 6968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6966] <... futex resumed>) = 0 [pid 6960] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... set_robust_list resumed>) = 0 [pid 6973] set_robust_list(0x7fc1280c99e0, 24 [pid 6971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6968] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6967] <... setsockopt resumed>) = 0 [pid 6966] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6973] <... set_robust_list resumed>) = 0 [pid 6968] <... setsockopt resumed>) = 0 [pid 6967] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] <... openat resumed>) = 3 [pid 6974] <... socket resumed>) = 3 [pid 6973] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6971] write(3, "1000", 4 [pid 6968] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... futex resumed>) = 1 [pid 6960] <... futex resumed>) = 0 [pid 6974] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... socket resumed>) = 3 [pid 6971] <... write resumed>) = 4 [pid 6968] <... futex resumed>) = 1 [pid 6967] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6966] <... futex resumed>) = 0 [pid 6960] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6972 attached [pid 6974] <... futex resumed>) = 1 [pid 6973] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] close(3 [pid 6968] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6966] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 0 [pid 6974] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6973] <... futex resumed>) = 1 [pid 6972] set_robust_list(0x7fc1280c99e0, 24 [pid 6971] <... close resumed>) = 0 [pid 6968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6966] <... futex resumed>) = 0 [pid 6963] <... futex resumed>) = 0 [pid 6961] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6973] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] <... set_robust_list resumed>) = 0 [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6963] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = 0 [pid 6974] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... futex resumed>) = 0 [pid 6968] <... sendto resumed>) = 1 [pid 6966] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6963] <... futex resumed>) = 0 [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... setsockopt resumed>) = 0 [pid 6973] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6968] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... setsockopt resumed>) = 0 [pid 6972] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6971] <... mmap resumed>) = 0x7fc1280a9000 [pid 6968] <... futex resumed>) = 0 [pid 6967] <... sendto resumed>) = 1 [pid 6966] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... futex resumed>) = 1 [pid 6973] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6968] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6966] <... futex resumed>) = 0 [pid 6961] <... futex resumed>) = 0 [pid 6967] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... socket resumed>) = 3 [pid 6974] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6973] <... futex resumed>) = 1 [pid 6972] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] <... mprotect resumed>) = 0 [pid 6968] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6967] <... futex resumed>) = 1 [pid 6966] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6963] <... futex resumed>) = 0 [pid 6961] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = 0 [pid 6974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6973] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] <... futex resumed>) = 1 [pid 6971] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6968] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 6963] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = 0 [pid 6960] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6968] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6966] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... futex resumed>) = 0 [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] <... futex resumed>) = 0 [pid 6974] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6973] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... clone resumed>, parent_tid=[6975], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6975 [pid 6968] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6967] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6966] <... futex resumed>) = 0 [pid 6964] <... futex resumed>) = 0 [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6975 attached [pid 6974] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6972] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6971] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6968] <... openat resumed>) = 4 [pid 6967] <... sendto resumed>) = 1 [pid 6966] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] set_robust_list(0x7fc1280c99e0, 24 [pid 6974] <... futex resumed>) = 1 [pid 6973] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... setsockopt resumed>) = 0 [pid 6971] <... futex resumed>) = 0 [pid 6968] write(4, "5", 1 [pid 6967] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = 0 [pid 6975] <... set_robust_list resumed>) = 0 [pid 6974] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6973] <... futex resumed>) = 1 [pid 6972] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6968] <... write resumed>) = 1 [pid 6967] <... futex resumed>) = 1 [pid 6963] <... futex resumed>) = 0 [pid 6961] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] <... futex resumed>) = 0 [pid 6975] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6973] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] <... futex resumed>) = 1 [pid 6968] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6967] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] <... futex resumed>) = 0 [pid 6963] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = 0 [pid 6960] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... socket resumed>) = 3 [pid 6974] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6968] <... setsockopt resumed>) = 0 [pid 6967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... futex resumed>) = 0 [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] <... futex resumed>) = 0 [pid 6975] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... setsockopt resumed>) = 0 [pid 6973] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6968] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6964] <... futex resumed>) = 0 [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... futex resumed>) = 1 [pid 6974] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... setsockopt resumed>) = 0 [pid 6972] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6971] <... futex resumed>) = 0 [pid 6967] <... openat resumed>) = 4 [pid 6975] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6971] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] write(4, "5", 1 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] <... futex resumed>) = 0 [pid 6967] <... write resumed>) = 1 [pid 6975] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6972] <... futex resumed>) = 0 [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6967] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6975] <... setsockopt resumed>) = 0 [pid 6972] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... setsockopt resumed>) = 0 [pid 6975] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... futex resumed>) = 1 [pid 6973] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = 0 [pid 6975] <... futex resumed>) = 1 [pid 6971] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = 1 [pid 6960] <... futex resumed>) = 0 [pid 6975] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6960] exit_group(0 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... futex resumed>) = 0 [pid 6967] <... futex resumed>) = ? [pid 6960] <... exit_group resumed>) = ? [pid 6975] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6967] +++ exited with 0 +++ [pid 6975] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6975] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6971] <... futex resumed>) = 0 [pid 6975] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... futex resumed>) = 0 [pid 6975] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... setsockopt resumed>) = 0 [pid 6975] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6971] <... futex resumed>) = 0 [pid 6975] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... futex resumed>) = 0 [pid 6975] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... sendto resumed>) = 1 [pid 6975] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6971] <... futex resumed>) = 0 [pid 6975] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... futex resumed>) = 0 [pid 6975] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6975] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6971] <... futex resumed>) = 0 [pid 6975] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6971] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6971] <... futex resumed>) = 0 [pid 6975] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6971] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... openat resumed>) = 4 [pid 6975] write(4, "5", 1 [pid 6966] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6975] <... write resumed>) = 1 [pid 6966] exit_group(0 [pid 6975] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6969] <... futex resumed>) = ? [pid 6966] <... exit_group resumed>) = ? [pid 6975] <... setsockopt resumed>) = 0 [ 253.341530][ T6968] FAULT_INJECTION: forcing a failure. [ 253.341530][ T6968] name fail_futex, interval 1, probability 0, space 0, times 0 [ 253.354873][ T6968] CPU: 1 PID: 6968 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 253.365523][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 253.375606][ T6968] Call Trace: [ 253.378913][ T6968] [ 253.381870][ T6968] dump_stack_lvl+0xcd/0x134 [pid 6969] +++ exited with 0 +++ [pid 6975] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6973] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6973] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = 0 [pid 6964] <... futex resumed>) = 1 [pid 6972] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... setsockopt resumed>) = 0 [pid 6972] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6972] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 6972] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6971] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... sendto resumed>) = 1 [pid 6971] exit_group(0 [pid 6972] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6971] <... exit_group resumed>) = ? [pid 6972] <... futex resumed>) = 1 [pid 6964] <... futex resumed>) = 0 [ 253.386505][ T6968] should_fail.cold+0x5/0xa [ 253.388849][ T6975] FAULT_INJECTION: forcing a failure. [ 253.388849][ T6975] name fail_futex, interval 1, probability 0, space 0, times 0 [ 253.392156][ T6968] get_futex_key+0x5b2/0x1c50 [ 253.409606][ T6968] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 253.415658][ T6968] ? futex_setup_timer+0xf0/0xf0 [ 253.420639][ T6968] futex_wake+0xe4/0x490 [ 253.424909][ T6968] ? futex_wake_mark+0x1a0/0x1a0 [ 253.429881][ T6968] ? ptrace_stop.part.0+0x5ec/0xa80 [ 253.435111][ T6968] ? do_raw_spin_lock+0x120/0x2a0 [pid 6972] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 6972] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6972] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6964] <... futex resumed>) = 0 [pid 6972] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6964] <... futex resumed>) = 0 [pid 6972] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6964] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] <... openat resumed>) = 4 [pid 6972] write(4, "5", 1) = 1 [pid 6972] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 253.440164][ T6968] ? rwlock_bug.part.0+0x90/0x90 [ 253.445124][ T6968] ? _raw_spin_lock_irq+0x41/0x50 [ 253.450174][ T6968] do_futex+0x266/0x300 [ 253.454347][ T6968] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 253.460264][ T6968] ? find_held_lock+0x2d/0x110 [ 253.463406][ T6972] FAULT_INJECTION: forcing a failure. [ 253.463406][ T6972] name fail_futex, interval 1, probability 0, space 0, times 0 [ 253.465050][ T6968] __x64_sys_futex+0x1b0/0x4a0 [ 253.465084][ T6968] ? do_futex+0x300/0x300 [ 253.486922][ T6968] ? _raw_spin_unlock_irq+0x1f/0x40 [pid 6972] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6964] exit_group(0) = ? [ 253.492149][ T6968] ? lockdep_hardirqs_on+0x79/0x100 [ 253.497376][ T6968] ? _raw_spin_unlock_irq+0x2a/0x40 [ 253.502598][ T6968] ? ptrace_notify+0xfa/0x140 [ 253.507295][ T6968] do_syscall_64+0x35/0xb0 [ 253.511729][ T6968] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 253.517652][ T6968] RIP: 0033:0x7fc128117db9 [ 253.522080][ T6968] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6963] <... futex resumed>) = 0 [pid 6963] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... futex resumed>) = 0 [pid 6963] <... futex resumed>) = 1 [ 253.541714][ T6968] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 253.550149][ T6968] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 253.558134][ T6968] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 253.566119][ T6968] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 253.574104][ T6968] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 253.582093][ T6968] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 253.590099][ T6968] [ 253.593129][ T6975] CPU: 0 PID: 6975 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 253.603669][ T6975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 253.615551][ T6975] Call Trace: [ 253.618832][ T6975] [ 253.621771][ T6975] dump_stack_lvl+0xcd/0x134 [ 253.626389][ T6975] should_fail.cold+0x5/0xa [ 253.630899][ T6975] get_futex_key+0x5b2/0x1c50 [ 253.635581][ T6975] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 253.641568][ T6975] ? futex_setup_timer+0xf0/0xf0 [ 253.646513][ T6975] futex_wake+0xe4/0x490 [ 253.650762][ T6975] ? futex_wake_mark+0x1a0/0x1a0 [ 253.655701][ T6975] ? ptrace_stop.part.0+0x5ec/0xa80 [ 253.660900][ T6975] ? do_raw_spin_lock+0x120/0x2a0 [ 253.665926][ T6975] ? rwlock_bug.part.0+0x90/0x90 [ 253.670863][ T6975] ? _raw_spin_lock_irq+0x41/0x50 [ 253.675896][ T6975] do_futex+0x266/0x300 [ 253.680055][ T6975] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 253.685953][ T6975] ? find_held_lock+0x2d/0x110 [ 253.690732][ T6975] __x64_sys_futex+0x1b0/0x4a0 [ 253.695500][ T6975] ? do_futex+0x300/0x300 [ 253.699836][ T6975] ? _raw_spin_unlock_irq+0x1f/0x40 [ 253.705051][ T6975] ? lockdep_hardirqs_on+0x79/0x100 [ 253.710264][ T6975] ? _raw_spin_unlock_irq+0x2a/0x40 [ 253.715464][ T6975] ? ptrace_notify+0xfa/0x140 [ 253.720144][ T6975] do_syscall_64+0x35/0xb0 [ 253.724569][ T6975] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 253.730467][ T6975] RIP: 0033:0x7fc128117db9 [ 253.734893][ T6975] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 253.754505][ T6975] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 253.762930][ T6975] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 253.770914][ T6975] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 253.778886][ T6975] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 6973] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6973] <... sendto resumed>) = 1 [pid 6970] <... futex resumed>) = ? [pid 6961] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6963] <... futex resumed>) = 0 [pid 6973] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6963] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6963] <... futex resumed>) = 0 [pid 6973] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6973] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6973] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6963] <... futex resumed>) = 0 [pid 6973] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6963] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6963] <... futex resumed>) = 0 [pid 6973] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6963] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6973] <... openat resumed>) = 4 [pid 6973] write(4, "5", 1) = 1 [pid 6973] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 253.786855][ T6975] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 253.794826][ T6975] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 253.802985][ T6975] [ 253.808604][ T6972] CPU: 1 PID: 6972 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 253.819159][ T6972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 253.829243][ T6972] Call Trace: [ 253.832547][ T6972] [ 253.835503][ T6972] dump_stack_lvl+0xcd/0x134 [pid 6973] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6963] exit_group(0) = ? [ 253.836742][ T6973] FAULT_INJECTION: forcing a failure. [ 253.836742][ T6973] name fail_futex, interval 1, probability 0, space 0, times 0 [ 253.840109][ T6972] should_fail.cold+0x5/0xa [ 253.840145][ T6972] get_futex_key+0x5b2/0x1c50 [ 253.862072][ T6972] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 253.868083][ T6972] ? futex_setup_timer+0xf0/0xf0 [ 253.873043][ T6972] futex_wake+0xe4/0x490 [ 253.877303][ T6972] ? futex_wake_mark+0x1a0/0x1a0 [ 253.882269][ T6972] ? ptrace_stop.part.0+0x5ec/0xa80 [ 253.887493][ T6972] ? do_raw_spin_lock+0x120/0x2a0 [ 253.892540][ T6972] ? rwlock_bug.part.0+0x90/0x90 [ 253.897490][ T6972] ? _raw_spin_lock_irq+0x41/0x50 [ 253.902545][ T6972] do_futex+0x266/0x300 [ 253.906719][ T6972] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 253.912627][ T6972] ? find_held_lock+0x2d/0x110 [ 253.917438][ T6972] __x64_sys_futex+0x1b0/0x4a0 [ 253.922236][ T6972] ? do_futex+0x300/0x300 [ 253.926580][ T6972] ? _raw_spin_unlock_irq+0x1f/0x40 [ 253.931797][ T6972] ? lockdep_hardirqs_on+0x79/0x100 [ 253.937017][ T6972] ? _raw_spin_unlock_irq+0x2a/0x40 [ 253.942234][ T6972] ? ptrace_notify+0xfa/0x140 [ 253.946933][ T6972] do_syscall_64+0x35/0xb0 [ 253.951368][ T6972] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 253.957286][ T6972] RIP: 0033:0x7fc128117db9 [ 253.961720][ T6972] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 253.981350][ T6972] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 253.990139][ T6972] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 253.998141][ T6972] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 254.006138][ T6972] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 254.014133][ T6972] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 254.022134][ T6972] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 254.030147][ T6972] [ 254.033175][ T6973] CPU: 0 PID: 6973 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 254.043716][ T6973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 254.053774][ T6973] Call Trace: [ 254.057053][ T6973] [ 254.060081][ T6973] dump_stack_lvl+0xcd/0x134 [ 254.064691][ T6973] should_fail.cold+0x5/0xa [ 254.069216][ T6973] get_futex_key+0x5b2/0x1c50 [ 254.073917][ T6973] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 254.079928][ T6973] ? futex_setup_timer+0xf0/0xf0 [ 254.084877][ T6973] futex_wake+0xe4/0x490 [ 254.089127][ T6973] ? futex_wake_mark+0x1a0/0x1a0 [ 254.094068][ T6973] ? ptrace_stop.part.0+0x5ec/0xa80 [ 254.099285][ T6973] ? do_raw_spin_lock+0x120/0x2a0 [ 254.104317][ T6973] ? rwlock_bug.part.0+0x90/0x90 [ 254.109253][ T6973] ? _raw_spin_lock_irq+0x41/0x50 [ 254.114289][ T6973] do_futex+0x266/0x300 [ 254.118462][ T6973] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 254.124354][ T6973] ? find_held_lock+0x2d/0x110 [ 254.129128][ T6973] __x64_sys_futex+0x1b0/0x4a0 [ 254.133898][ T6973] ? do_futex+0x300/0x300 [ 254.138227][ T6973] ? _raw_spin_unlock_irq+0x1f/0x40 [ 254.143428][ T6973] ? lockdep_hardirqs_on+0x79/0x100 [ 254.148633][ T6973] ? _raw_spin_unlock_irq+0x2a/0x40 [ 254.153844][ T6973] ? ptrace_notify+0xfa/0x140 [ 254.158527][ T6973] do_syscall_64+0x35/0xb0 [ 254.162947][ T6973] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 254.168843][ T6973] RIP: 0033:0x7fc128117db9 [ 254.173261][ T6973] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 6961] <... futex resumed>) = 1 [pid 6974] <... futex resumed>) = 0 [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6970] +++ exited with 0 +++ [pid 6960] +++ exited with 0 +++ [pid 6974] <... sendto resumed>) = 1 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6960, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6975] <... futex resumed>) = ? [pid 6974] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] <... futex resumed>) = ? [pid 6972] <... futex resumed>) = ? [pid 6968] <... futex resumed>) = ? [pid 6975] +++ exited with 0 +++ [pid 6974] <... futex resumed>) = 1 [pid 6973] +++ exited with 0 +++ [pid 6971] +++ exited with 0 +++ [pid 6963] +++ exited with 0 +++ [pid 6961] <... futex resumed>) = 0 [pid 6974] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6972] +++ exited with 0 +++ [pid 6968] +++ exited with 0 +++ [pid 6966] +++ exited with 0 +++ [pid 6964] +++ exited with 0 +++ [pid 6961] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6963, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6971, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6961] <... futex resumed>) = 0 [pid 6974] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6964, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6974] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6961] <... futex resumed>) = 0 [pid 6974] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6961] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6966, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 6974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6961] <... futex resumed>) = 0 [pid 6974] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6961] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... restart_syscall resumed>) = 0 [pid 6974] <... openat resumed>) = 4 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6974] write(4, "5", 1) = 1 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6978 [pid 6974] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6976 [pid 6974] <... setsockopt resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6977 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6979 [ 254.192880][ T6973] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 254.201311][ T6973] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 254.209282][ T6973] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 254.217338][ T6973] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 254.225307][ T6973] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 254.233277][ T6973] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 254.241270][ T6973] [pid 6974] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6979 attached ./strace-static-x86_64: Process 6978 attached ./strace-static-x86_64: Process 6977 attached ./strace-static-x86_64: Process 6976 attached [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6979] set_robust_list(0x5555564f35e0, 24 [pid 6978] set_robust_list(0x5555564f35e0, 24 [pid 6977] set_robust_list(0x5555564f35e0, 24 [pid 6976] set_robust_list(0x5555564f35e0, 24 [pid 6979] <... set_robust_list resumed>) = 0 [pid 6978] <... set_robust_list resumed>) = 0 [pid 6977] <... set_robust_list resumed>) = 0 [pid 6976] <... set_robust_list resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6980 ./strace-static-x86_64: Process 6980 attached [pid 6979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6979] <... prctl resumed>) = 0 [pid 6978] <... prctl resumed>) = 0 [pid 6977] <... prctl resumed>) = 0 [pid 6976] <... prctl resumed>) = 0 [pid 6979] setpgid(0, 0 [pid 6978] setpgid(0, 0 [pid 6977] setpgid(0, 0 [pid 6976] setpgid(0, 0 [pid 6979] <... setpgid resumed>) = 0 [pid 6978] <... setpgid resumed>) = 0 [pid 6977] <... setpgid resumed>) = 0 [pid 6976] <... setpgid resumed>) = 0 [pid 6979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6979] <... openat resumed>) = 3 [pid 6978] <... openat resumed>) = 3 [pid 6977] <... openat resumed>) = 3 [pid 6976] <... openat resumed>) = 3 [pid 6979] write(3, "1000", 4 [pid 6978] write(3, "1000", 4 [pid 6977] write(3, "1000", 4 [pid 6976] write(3, "1000", 4 [pid 6979] <... write resumed>) = 4 [pid 6978] <... write resumed>) = 4 [pid 6977] <... write resumed>) = 4 [pid 6976] <... write resumed>) = 4 [pid 6979] close(3 [pid 6978] close(3 [pid 6977] close(3 [pid 6976] close(3 [pid 6979] <... close resumed>) = 0 [pid 6978] <... close resumed>) = 0 [pid 6977] <... close resumed>) = 0 [pid 6976] <... close resumed>) = 0 [pid 6979] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] <... futex resumed>) = 0 [pid 6978] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6977] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6979] <... mmap resumed>) = 0x7fc1280a9000 [pid 6978] <... mmap resumed>) = 0x7fc1280a9000 [pid 6977] <... mmap resumed>) = 0x7fc1280a9000 [pid 6976] <... mmap resumed>) = 0x7fc1280a9000 [pid 6979] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6978] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6977] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6976] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6979] <... mprotect resumed>) = 0 [pid 6978] <... mprotect resumed>) = 0 [pid 6977] <... mprotect resumed>) = 0 [pid 6976] <... mprotect resumed>) = 0 [pid 6979] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 254.267850][ T6974] FAULT_INJECTION: forcing a failure. [ 254.267850][ T6974] name fail_futex, interval 1, probability 0, space 0, times 0 [ 254.280892][ T6974] CPU: 1 PID: 6974 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 254.291425][ T6974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 254.301507][ T6974] Call Trace: [ 254.304810][ T6974] [ 254.307762][ T6974] dump_stack_lvl+0xcd/0x134 [ 254.312388][ T6974] should_fail.cold+0x5/0xa [pid 6978] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6977] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6976] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6979] <... clone resumed>, parent_tid=[6981], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6981 [pid 6978] <... clone resumed>, parent_tid=[6982], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6982 [pid 6977] <... clone resumed>, parent_tid=[6983], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6983 [pid 6976] <... clone resumed>, parent_tid=[6984], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6984 [pid 6979] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] <... futex resumed>) = 0 [pid 6978] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6979] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6983 attached [pid 6983] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6983] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6983] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6977] <... futex resumed>) = 0 [pid 6983] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6977] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... setsockopt resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6983] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... futex resumed>) = 0 [pid 6977] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6983] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6977] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6977] <... futex resumed>) = 0 [pid 6983] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... setsockopt resumed>) = 0 [pid 6983] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6977] <... futex resumed>) = 0 [pid 6983] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6977] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6977] <... futex resumed>) = 0 [pid 6983] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... setsockopt resumed>) = 0 [pid 6983] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6977] <... futex resumed>) = 0 [pid 6983] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6977] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6977] <... futex resumed>) = 0 [pid 6983] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... sendto resumed>) = 1 [pid 6983] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6977] <... futex resumed>) = 0 [pid 6983] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6977] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6977] <... futex resumed>) = 0 [pid 6983] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... sendto resumed>) = 1 [pid 6983] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6977] <... futex resumed>) = 0 [pid 6983] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6977] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 254.316928][ T6974] get_futex_key+0x5b2/0x1c50 [ 254.321639][ T6974] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 254.327657][ T6974] ? futex_setup_timer+0xf0/0xf0 [ 254.332634][ T6974] futex_wake+0xe4/0x490 [ 254.336914][ T6974] ? futex_wake_mark+0x1a0/0x1a0 [ 254.341882][ T6974] ? ptrace_stop.part.0+0x5ec/0xa80 [ 254.347115][ T6974] ? do_raw_spin_lock+0x120/0x2a0 [ 254.352174][ T6974] ? rwlock_bug.part.0+0x90/0x90 [ 254.357143][ T6974] ? _raw_spin_lock_irq+0x41/0x50 [ 254.362215][ T6974] do_futex+0x266/0x300 [pid 6977] <... futex resumed>) = 0 [pid 6983] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6977] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6983] <... openat resumed>) = 4 [pid 6983] write(4, "5", 1) = 1 [pid 6983] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6983] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6979] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6977] <... futex resumed>) = 0 [pid 6983] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6979] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6977] exit_group(0 [pid 6976] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6983] <... futex resumed>) = ? [pid 6979] <... futex resumed>) = 0 [pid 6978] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6977] <... exit_group resumed>) = ? [pid 6976] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6983] +++ exited with 0 +++ [pid 6980] set_robust_list(0x5555564f35e0, 24 [pid 6979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6978] <... futex resumed>) = 0 [pid 6977] +++ exited with 0 +++ [pid 6976] <... futex resumed>) = 0 [pid 6980] <... set_robust_list resumed>) = 0 [pid 6979] <... mmap resumed>) = 0x7fc128088000 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6977, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6979] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6978] <... mmap resumed>) = 0x7fc128088000 [pid 6976] <... mmap resumed>) = 0x7fc128088000 [pid 6980] <... prctl resumed>) = 0 [pid 6979] <... mprotect resumed>) = 0 [pid 6978] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6976] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 6980] setpgid(0, 0 [pid 6979] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6978] <... mprotect resumed>) = 0 [pid 6976] <... mprotect resumed>) = 0 [pid 6980] <... setpgid resumed>) = 0 [pid 6978] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6976] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6979] <... clone resumed>, parent_tid=[6985], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6985 [pid 6980] <... openat resumed>) = 3 [pid 6979] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... clone resumed>, parent_tid=[6986], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6986 [pid 6976] <... clone resumed>, parent_tid=[6987], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 6987 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6980] write(3, "1000", 4 [pid 6979] <... futex resumed>) = 0 [pid 6978] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] <... write resumed>) = 4 [pid 6979] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6988 ./strace-static-x86_64: Process 6987 attached ./strace-static-x86_64: Process 6985 attached [pid 6980] close(3 [pid 6978] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6987] set_robust_list(0x7fc1280a89e0, 24 [pid 6985] set_robust_list(0x7fc1280a89e0, 24 [pid 6980] <... close resumed>) = 0 [pid 6987] <... set_robust_list resumed>) = 0 [pid 6985] <... set_robust_list resumed>) = 0 [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6985] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6980] <... futex resumed>) = 0 [pid 6987] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6980] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6987] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] <... mmap resumed>) = 0x7fc1280a9000 [pid 6987] <... futex resumed>) = 1 [pid 6985] <... futex resumed>) = 1 [pid 6980] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6987] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6985] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] <... mprotect resumed>) = 0 [pid 6979] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 254.366516][ T6974] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 254.372970][ T6974] ? find_held_lock+0x2d/0x110 [ 254.377792][ T6974] __x64_sys_futex+0x1b0/0x4a0 [ 254.382599][ T6974] ? do_futex+0x300/0x300 [ 254.386956][ T6974] ? _raw_spin_unlock_irq+0x1f/0x40 [ 254.392622][ T6974] ? lockdep_hardirqs_on+0x79/0x100 [ 254.397860][ T6974] ? _raw_spin_unlock_irq+0x2a/0x40 [ 254.403092][ T6974] ? ptrace_notify+0xfa/0x140 [ 254.407821][ T6974] do_syscall_64+0x35/0xb0 [ 254.412266][ T6974] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6987] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6985] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6979] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6987] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6980] <... clone resumed>, parent_tid=[6989], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6989 [pid 6987] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6989 attached [pid 6987] <... futex resumed>) = 1 [pid 6985] <... futex resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6989] set_robust_list(0x7fc1280c99e0, 24 [pid 6987] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6985] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... set_robust_list resumed>) = 0 [pid 6987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6989] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6987] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6985] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6979] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] <... socket resumed>) = 3 [pid 6987] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = 1 [pid 6987] <... futex resumed>) = 1 [pid 6985] <... futex resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6989] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6987] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6985] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6989] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6987] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6985] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] <... setsockopt resumed>) = 0 [pid 6987] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = 1 [pid 6987] <... futex resumed>) = 1 [pid 6985] <... futex resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6989] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6987] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6985] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6976] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6989] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6987] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6985] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] <... setsockopt resumed>) = 0 [pid 6987] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6989] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = 1 [pid 6987] <... futex resumed>) = 1 [pid 6985] <... futex resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6978] <... futex resumed>) = 0 [pid 6976] <... futex resumed>) = 0 [pid 6989] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6987] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6985] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6980] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6976] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6980] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6978] <... mmap resumed>) = 0x7fc128067000 [pid 6976] <... futex resumed>) = 0 [ 254.418193][ T6974] RIP: 0033:0x7fc128117db9 [ 254.422633][ T6974] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 254.442276][ T6974] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 254.450721][ T6974] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 254.458720][ T6974] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6989] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6987] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6985] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6979] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE [pid 6976] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] <... setsockopt resumed>) = 0 [pid 6987] <... openat resumed>) = 3 [pid 6985] <... openat resumed>) = 3 [pid 6978] <... mprotect resumed>) = 0 [pid 6989] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] write(3, "5", 1 [pid 6985] write(3, "5", 1 [pid 6978] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6989] <... futex resumed>) = 1 [pid 6987] <... write resumed>) = 1 [pid 6985] <... write resumed>) = 1 [pid 6980] <... futex resumed>) = 0 [pid 6989] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6987] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6985] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6980] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... clone resumed>, parent_tid=[6990], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 6990 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6987] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6980] <... futex resumed>) = 0 [pid 6978] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6987] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6981 attached [pid 6989] <... sendto resumed>) = 1 [pid 6987] <... futex resumed>) = 1 [pid 6985] <... futex resumed>) = 1 [pid 6979] <... futex resumed>) = 0 [pid 6978] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6976] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6990 attached [pid 6989] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6985] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] set_robust_list(0x7fc1280c99e0, 24 [pid 6990] set_robust_list(0x7fc1280879e0, 24 [pid 6989] <... futex resumed>) = 1 [pid 6981] <... set_robust_list resumed>) = 0 [pid 6980] <... futex resumed>) = 0 [pid 6990] <... set_robust_list resumed>) = 0 [pid 6989] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6981] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6980] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6990] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6981] <... socket resumed>) = 4 [pid 6980] <... futex resumed>) = 0 [pid 6961] exit_group(0./strace-static-x86_64: Process 6988 attached ./strace-static-x86_64: Process 6986 attached ./strace-static-x86_64: Process 6984 attached ./strace-static-x86_64: Process 6982 attached [pid 6990] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6981] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] <... futex resumed>) = ? [pid 6961] <... exit_group resumed>) = ? [pid 6990] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... sendto resumed>) = 1 [pid 6988] set_robust_list(0x5555564f35e0, 24 [pid 6986] set_robust_list(0x7fc1280a89e0, 24 [pid 6984] set_robust_list(0x7fc1280c99e0, 24 [pid 6982] set_robust_list(0x7fc1280c99e0, 24 [pid 6981] <... futex resumed>) = 0 [pid 6979] exit_group(0 [pid 6990] <... futex resumed>) = 1 [pid 6989] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... set_robust_list resumed>) = 0 [pid 6986] <... set_robust_list resumed>) = 0 [pid 6985] <... futex resumed>) = ? [pid 6984] <... set_robust_list resumed>) = 0 [pid 6982] <... set_robust_list resumed>) = 0 [pid 6979] <... exit_group resumed>) = ? [pid 6978] <... futex resumed>) = 0 [pid 6990] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6989] <... futex resumed>) = 1 [pid 6988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6986] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6984] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6982] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 6980] <... futex resumed>) = 0 [pid 6974] +++ exited with 0 +++ [pid 6961] +++ exited with 0 +++ [pid 6988] <... prctl resumed>) = 0 [pid 6986] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] <... socket resumed>) = 4 [pid 6982] <... socket resumed>) = 3 [pid 6988] setpgid(0, 0 [pid 6986] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... setpgid resumed>) = 0 [pid 6986] <... futex resumed>) = 0 [pid 6984] <... futex resumed>) = 0 [pid 6982] <... futex resumed>) = 0 [pid 6988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6986] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6984] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6982] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6976] exit_group(0 [pid 6988] <... openat resumed>) = 3 [pid 6984] <... futex resumed>) = ? [pid 6976] <... exit_group resumed>) = ? [pid 6988] write(3, "1000", 4 [pid 6984] +++ exited with 0 +++ [pid 6988] <... write resumed>) = 4 [pid 6988] close(3) = 0 [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6988] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6988] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 254.466715][ T6974] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 254.474712][ T6974] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 254.482707][ T6974] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 254.490722][ T6974] [ 254.505501][ T6985] FAULT_INJECTION: forcing a failure. [ 254.505501][ T6985] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 6989] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6987] <... futex resumed>) = ? [pid 6981] +++ exited with 0 +++ [pid 6980] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... clone resumed>, parent_tid=[6991], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6991 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6961, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 6988] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6991 attached [pid 6991] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6991] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6991] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... futex resumed>) = 0 [pid 6988] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6991] <... futex resumed>) = 1 [pid 6991] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6991] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] <... futex resumed>) = 0 [pid 6988] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... futex resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 6991] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6991] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6991] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6988] <... futex resumed>) = 0 [pid 6991] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6988] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... setsockopt resumed>) = 0 [pid 6988] <... futex resumed>) = 0 [pid 6991] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6991] <... futex resumed>) = 0 [pid 6988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6991] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6988] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... sendto resumed>) = 1 [pid 6988] <... futex resumed>) = 0 [pid 6991] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6991] <... futex resumed>) = 0 [pid 6988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6991] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6988] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6988] <... futex resumed>) = 0 [pid 6991] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6991] <... futex resumed>) = 0 [ 254.519936][ T6985] CPU: 0 PID: 6985 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 254.530476][ T6985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 254.540551][ T6985] Call Trace: [ 254.542768][ T6991] FAULT_INJECTION: forcing a failure. [ 254.542768][ T6991] name fail_futex, interval 1, probability 0, space 0, times 0 [ 254.543839][ T6985] [ 254.543851][ T6985] dump_stack_lvl+0xcd/0x134 [ 254.564124][ T6985] should_fail.cold+0x5/0xa [pid 6988] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6991] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6988] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6988] <... futex resumed>) = 0 [pid 6991] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6988] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6991] <... openat resumed>) = 4 [pid 6991] write(4, "5", 1) = 1 [pid 6991] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6991] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6987] +++ exited with 0 +++ [pid 6976] +++ exited with 0 +++ [ 254.568653][ T6985] get_futex_key+0x282/0x1c50 [ 254.573343][ T6985] ? __lock_acquire+0x163e/0x5660 [ 254.578392][ T6985] ? futex_setup_timer+0xf0/0xf0 [ 254.583349][ T6985] futex_wake+0xe4/0x490 [ 254.587604][ T6985] ? futex_wake_mark+0x1a0/0x1a0 [ 254.592564][ T6985] ? find_held_lock+0x2d/0x110 [ 254.597369][ T6985] do_futex+0x266/0x300 [ 254.601547][ T6985] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 254.607468][ T6985] mm_release+0x235/0x2c0 [ 254.611807][ T6985] do_exit+0x8a0/0x29d0 [ 254.615966][ T6985] ? find_held_lock+0x2d/0x110 [ 254.620740][ T6985] ? mm_update_next_owner+0x7a0/0x7a0 [ 254.626119][ T6985] ? lock_downgrade+0x6e0/0x6e0 [ 254.630977][ T6985] do_group_exit+0xd2/0x2f0 [ 254.635489][ T6985] get_signal+0x2542/0x2600 [ 254.640000][ T6985] ? exit_signals+0x8b0/0x8b0 [ 254.644712][ T6985] ? userns_owner+0x40/0x40 [ 254.649219][ T6985] ? __task_pid_nr_ns+0x168/0x4b0 [ 254.654275][ T6985] ? lock_downgrade+0x6e0/0x6e0 [ 254.659133][ T6985] arch_do_signal_or_restart+0x82/0x2300 [ 254.664771][ T6985] ? from_kuid_munged+0xa2/0x130 [ 254.669714][ T6985] ? find_held_lock+0x2d/0x110 [ 254.674485][ T6985] ? get_sigframe_size+0x10/0x10 [ 254.679469][ T6985] ? ptrace_notify+0xfa/0x140 [ 254.684146][ T6985] ? lock_downgrade+0x6e0/0x6e0 [ 254.688999][ T6985] ? send_sig+0xfe/0x160 [ 254.693241][ T6985] ? send_sig_info+0x140/0x140 [ 254.698004][ T6985] ? exit_to_user_mode_prepare+0x137/0x250 [ 254.703818][ T6985] exit_to_user_mode_prepare+0x15f/0x250 [ 254.709453][ T6985] syscall_exit_to_user_mode+0x19/0x50 [ 254.714916][ T6985] do_syscall_64+0x42/0xb0 [ 254.719420][ T6985] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 254.725327][ T6985] RIP: 0033:0x7fc128117db9 [ 254.729743][ T6985] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 254.749352][ T6985] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 254.757765][ T6985] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [pid 6988] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6988] exit_group(0) = ? [pid 6980] <... futex resumed>) = 0 [pid 6978] <... futex resumed>) = 1 [pid 6982] <... futex resumed>) = 0 [pid 6980] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 6982] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6989] write(4, "5", 1 [pid 6982] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6982] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6982] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6982] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6978] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6982] <... sendto resumed>) = 1 [pid 6982] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6982] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6982] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6978] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6982] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6982] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6982] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] <... futex resumed>) = 0 [pid 6982] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6978] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6982] <... openat resumed>) = 4 [ 254.765823][ T6985] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 254.773794][ T6985] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 254.781765][ T6985] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 254.789736][ T6985] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 254.797723][ T6985] [ 254.807611][ T6991] CPU: 0 PID: 6991 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 6982] write(4, "5", 1) = 1 [pid 6982] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EACCES (Permission denied) [pid 6982] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6978] <... futex resumed>) = 0 [pid 6982] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6978] exit_group(0 [pid 6986] <... futex resumed>) = ? [pid 6982] <... futex resumed>) = ? [pid 6978] <... exit_group resumed>) = ? [pid 6986] +++ exited with 0 +++ ./strace-static-x86_64: Process 6992 attached [pid 6992] set_robust_list(0x5555564f35e0, 24) = 0 [pid 6992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6992] setpgid(0, 0) = 0 [pid 6992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6992] write(3, "1000", 4) = 4 [pid 6992] close(3) = 0 [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6992] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [ 254.818158][ T6991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 254.823919][ T6982] FAULT_INJECTION: forcing a failure. [ 254.823919][ T6982] name fail_futex, interval 1, probability 0, space 0, times 0 [ 254.828213][ T6991] Call Trace: [ 254.828223][ T6991] [ 254.828232][ T6991] dump_stack_lvl+0xcd/0x134 [ 254.828265][ T6991] should_fail.cold+0x5/0xa [ 254.828293][ T6991] get_futex_key+0x5b2/0x1c50 [ 254.861100][ T6991] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 254.867116][ T6991] ? futex_setup_timer+0xf0/0xf0 [ 254.872097][ T6991] futex_wake+0xe4/0x490 [ 254.876373][ T6991] ? futex_wake_mark+0x1a0/0x1a0 [ 254.881347][ T6991] ? ptrace_stop.part.0+0x5ec/0xa80 [ 254.886590][ T6991] ? do_raw_spin_lock+0x120/0x2a0 [ 254.891641][ T6991] ? rwlock_bug.part.0+0x90/0x90 [ 254.896615][ T6991] ? _raw_spin_lock_irq+0x41/0x50 [ 254.897202][ T6993] FAULT_INJECTION: forcing a failure. [ 254.897202][ T6993] name fail_futex, interval 1, probability 0, space 0, times 0 [ 254.901652][ T6991] do_futex+0x266/0x300 [ 254.901682][ T6991] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 254.924456][ T6991] ? find_held_lock+0x2d/0x110 [ 254.929262][ T6991] __x64_sys_futex+0x1b0/0x4a0 [ 254.934056][ T6991] ? do_futex+0x300/0x300 [ 254.938401][ T6991] ? _raw_spin_unlock_irq+0x1f/0x40 [ 254.943630][ T6991] ? lockdep_hardirqs_on+0x79/0x100 [ 254.948855][ T6991] ? _raw_spin_unlock_irq+0x2a/0x40 [ 254.954085][ T6991] ? ptrace_notify+0xfa/0x140 [ 254.958789][ T6991] do_syscall_64+0x35/0xb0 [ 254.963223][ T6991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 254.969165][ T6991] RIP: 0033:0x7fc128117db9 [ 254.973599][ T6991] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 254.993226][ T6991] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 255.001671][ T6991] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 255.009670][ T6991] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 6992] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6980] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6992] <... clone resumed>, parent_tid=[6993], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6993 [pid 6992] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6993 attached [pid 6993] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6993] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6993] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6992] <... futex resumed>) = 0 [pid 6993] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6992] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... setsockopt resumed>) = 0 [pid 6992] <... futex resumed>) = 0 [pid 6993] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... futex resumed>) = 0 [pid 6992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6993] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6992] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6992] <... futex resumed>) = 0 [pid 6993] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... futex resumed>) = 0 [pid 6992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6993] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6992] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... setsockopt resumed>) = 0 [pid 6992] <... futex resumed>) = 0 [pid 6993] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6990] <... futex resumed>) = ? [pid 6993] <... futex resumed>) = 0 [pid 6992] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6990] +++ exited with 0 +++ [pid 6993] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6992] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6992] <... futex resumed>) = 0 [pid 6993] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... sendto resumed>) = 1 [pid 6993] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6992] <... futex resumed>) = 0 [pid 6993] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6992] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6992] <... futex resumed>) = 0 [pid 6993] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6993] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6992] <... futex resumed>) = 0 [pid 6993] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6992] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6992] <... futex resumed>) = 0 [pid 6993] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6992] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6993] <... openat resumed>) = 4 [pid 6993] write(4, "5", 1) = 1 [pid 6993] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6993] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6992] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6992] exit_group(0) = ? [ 255.017654][ T6991] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 255.025642][ T6991] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 255.033631][ T6991] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 255.041645][ T6991] [ 255.044673][ T6982] CPU: 1 PID: 6982 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 255.055222][ T6982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 255.065305][ T6982] Call Trace: [ 255.068590][ T6982] [ 255.071529][ T6982] dump_stack_lvl+0xcd/0x134 [ 255.076141][ T6982] should_fail.cold+0x5/0xa [ 255.080651][ T6982] get_futex_key+0x5b2/0x1c50 [ 255.085356][ T6982] ? __lock_acquire+0x163e/0x5660 [ 255.090385][ T6982] ? futex_setup_timer+0xf0/0xf0 [ 255.095331][ T6982] futex_wake+0xe4/0x490 [ 255.099841][ T6982] ? futex_wake_mark+0x1a0/0x1a0 [ 255.104788][ T6982] ? find_held_lock+0x2d/0x110 [ 255.109580][ T6982] do_futex+0x266/0x300 [ 255.113779][ T6982] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 255.119705][ T6982] mm_release+0x235/0x2c0 [ 255.124051][ T6982] do_exit+0x8a0/0x29d0 [ 255.128240][ T6982] ? find_held_lock+0x2d/0x110 [ 255.133029][ T6982] ? mm_update_next_owner+0x7a0/0x7a0 [ 255.138443][ T6982] ? lock_downgrade+0x6e0/0x6e0 [ 255.143310][ T6982] do_group_exit+0xd2/0x2f0 [ 255.147839][ T6982] get_signal+0x2542/0x2600 [ 255.152370][ T6982] ? exit_signals+0x8b0/0x8b0 [ 255.157087][ T6982] ? userns_owner+0x40/0x40 [ 255.161706][ T6982] ? __task_pid_nr_ns+0x168/0x4b0 [ 255.166748][ T6982] ? lock_downgrade+0x6e0/0x6e0 [ 255.171618][ T6982] arch_do_signal_or_restart+0x82/0x2300 [ 255.177264][ T6982] ? from_kuid_munged+0xa2/0x130 [ 255.182211][ T6982] ? find_held_lock+0x2d/0x110 [ 255.186983][ T6982] ? get_sigframe_size+0x10/0x10 [ 255.191925][ T6982] ? ptrace_notify+0xfa/0x140 [ 255.196604][ T6982] ? lock_downgrade+0x6e0/0x6e0 [ 255.201462][ T6982] ? send_sig+0xfe/0x160 [ 255.205729][ T6982] ? send_sig_info+0x140/0x140 [ 255.210497][ T6982] ? exit_to_user_mode_prepare+0x137/0x250 [ 255.216309][ T6982] exit_to_user_mode_prepare+0x15f/0x250 [ 255.221971][ T6982] syscall_exit_to_user_mode+0x19/0x50 [ 255.227438][ T6982] do_syscall_64+0x42/0xb0 [ 255.231856][ T6982] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 255.237756][ T6982] RIP: 0033:0x7fc128117db9 [ 255.242172][ T6982] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 255.261868][ T6982] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 255.270288][ T6982] RAX: fffffffffffffe00 RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 255.278262][ T6982] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04a8 [ 255.286320][ T6982] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 255.294375][ T6982] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 255.302347][ T6982] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 255.310943][ T6982] [ 255.321452][ T6993] CPU: 1 PID: 6993 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 255.332001][ T6993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 255.342077][ T6993] Call Trace: [ 255.345378][ T6993] [ 255.348330][ T6993] dump_stack_lvl+0xcd/0x134 [ 255.352957][ T6993] should_fail.cold+0x5/0xa [ 255.357498][ T6993] get_futex_key+0x5b2/0x1c50 [ 255.362204][ T6993] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 255.367455][ T6995] FAULT_INJECTION: forcing a failure. [ 255.367455][ T6995] name fail_futex, interval 1, probability 0, space 0, times 0 [ 255.368198][ T6993] ? futex_setup_timer+0xf0/0xf0 [ 255.368240][ T6993] futex_wake+0xe4/0x490 [ 255.390186][ T6993] ? futex_wake_mark+0x1a0/0x1a0 [ 255.395158][ T6993] ? ptrace_stop.part.0+0x5ec/0xa80 [ 255.400384][ T6993] ? do_raw_spin_lock+0x120/0x2a0 [ 255.405433][ T6993] ? rwlock_bug.part.0+0x90/0x90 [ 255.410398][ T6993] ? _raw_spin_lock_irq+0x41/0x50 [ 255.415458][ T6993] do_futex+0x266/0x300 [ 255.419641][ T6993] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 255.425569][ T6993] ? find_held_lock+0x2d/0x110 [ 255.430365][ T6993] __x64_sys_futex+0x1b0/0x4a0 [ 255.435149][ T6993] ? do_futex+0x300/0x300 [ 255.439495][ T6993] ? _raw_spin_unlock_irq+0x1f/0x40 [ 255.444717][ T6993] ? lockdep_hardirqs_on+0x79/0x100 [ 255.449937][ T6993] ? _raw_spin_unlock_irq+0x2a/0x40 [ 255.455175][ T6993] ? ptrace_notify+0xfa/0x140 [ 255.459878][ T6993] do_syscall_64+0x35/0xb0 [ 255.464313][ T6993] entry_SYSCALL_64_after_hwframe+0x63/0xcd ./strace-static-x86_64: Process 6994 attached [pid 6991] <... futex resumed>) = ? [pid 6989] <... write resumed>) = 1 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6992 [pid 6994] set_robust_list(0x5555564f35e0, 24 [pid 6991] +++ exited with 0 +++ [pid 6989] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6988] +++ exited with 0 +++ [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6994 [pid 6994] <... set_robust_list resumed>) = 0 [pid 6989] <... setsockopt resumed>) = 0 [pid 6994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6989] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] <... prctl resumed>) = 0 [pid 6989] <... futex resumed>) = 0 [pid 6994] setpgid(0, 0 [pid 6989] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] <... setpgid resumed>) = 0 [pid 6994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6994] write(3, "1000", 4) = 4 [pid 6994] close(3) = 0 [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6994] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6994] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[6995], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 6995 [pid 6994] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6995 attached [pid 6995] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 6995] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 6995] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] <... futex resumed>) = 0 [pid 6994] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... futex resumed>) = 1 [pid 6995] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 6995] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6994] <... futex resumed>) = 0 [pid 6995] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6994] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 6994] <... futex resumed>) = 0 [pid 6995] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... futex resumed>) = 0 [pid 6994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6995] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6994] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... setsockopt resumed>) = 0 [pid 6994] <... futex resumed>) = 0 [pid 6995] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... futex resumed>) = 0 [pid 6994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6995] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6994] <... futex resumed>) = 0 [pid 6995] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... sendto resumed>) = 1 [pid 6995] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6994] <... futex resumed>) = 0 [pid 6995] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6994] <... futex resumed>) = 0 [pid 6995] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 6995] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6994] <... futex resumed>) = 0 [pid 6995] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6994] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6994] <... futex resumed>) = 0 [pid 6995] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6994] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6995] <... openat resumed>) = 4 [pid 6995] write(4, "5", 1) = 1 [pid 6995] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 6995] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6994] exit_group(0) = ? [pid 6980] exit_group(0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6988, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 6989] <... futex resumed>) = ? [pid 6980] <... exit_group resumed>) = ? [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 6989] +++ exited with 0 +++ [pid 6980] +++ exited with 0 +++ [pid 3614] <... restart_syscall resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6980, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6996 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6997 [ 255.470253][ T6993] RIP: 0033:0x7fc128117db9 [ 255.474691][ T6993] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 255.494324][ T6993] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 255.502768][ T6993] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 255.510775][ T6993] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac ./strace-static-x86_64: Process 6996 attached ./strace-static-x86_64: Process 6997 attached [pid 6993] <... futex resumed>) = ? [pid 6997] set_robust_list(0x5555564f35e0, 24 [pid 6996] set_robust_list(0x5555564f35e0, 24 [pid 6997] <... set_robust_list resumed>) = 0 [pid 6996] <... set_robust_list resumed>) = 0 [pid 6993] +++ exited with 0 +++ [pid 6992] +++ exited with 0 +++ [pid 6997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6985] +++ exited with 0 +++ [pid 6979] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6992, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 6982] +++ exited with 0 +++ [pid 6978] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6979, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6978, si_uid=0, si_status=0, si_utime=0, si_stime=35} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6998 [ 255.518755][ T6993] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 255.526741][ T6993] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 255.534730][ T6993] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 255.542726][ T6993] [ 255.555780][ T6995] CPU: 1 PID: 6995 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 6999 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7000 ./strace-static-x86_64: Process 6999 attached ./strace-static-x86_64: Process 7000 attached ./strace-static-x86_64: Process 6998 attached [pid 7000] set_robust_list(0x5555564f35e0, 24 [pid 6999] set_robust_list(0x5555564f35e0, 24 [pid 6998] set_robust_list(0x5555564f35e0, 24 [pid 7000] <... set_robust_list resumed>) = 0 [pid 6999] <... set_robust_list resumed>) = 0 [pid 6998] <... set_robust_list resumed>) = 0 [pid 7000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7000] <... prctl resumed>) = 0 [pid 6999] <... prctl resumed>) = 0 [pid 6998] <... prctl resumed>) = 0 [pid 7000] setpgid(0, 0 [pid 6999] setpgid(0, 0 [pid 6998] setpgid(0, 0 [pid 7000] <... setpgid resumed>) = 0 [pid 6999] <... setpgid resumed>) = 0 [pid 6998] <... setpgid resumed>) = 0 [pid 7000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7000] <... openat resumed>) = 3 [pid 6999] <... openat resumed>) = 3 [pid 6998] <... openat resumed>) = 3 [pid 7000] write(3, "1000", 4 [pid 6999] write(3, "1000", 4 [pid 6998] write(3, "1000", 4 [pid 7000] <... write resumed>) = 4 [pid 6999] <... write resumed>) = 4 [pid 6998] <... write resumed>) = 4 [pid 7000] close(3 [pid 6999] close(3 [pid 6998] close(3 [pid 7000] <... close resumed>) = 0 [pid 6999] <... close resumed>) = 0 [pid 6998] <... close resumed>) = 0 [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] <... futex resumed>) = 0 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7000] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7000] <... mmap resumed>) = 0x7fc1280a9000 [pid 6999] <... mmap resumed>) = 0x7fc1280a9000 [pid 6998] <... mmap resumed>) = 0x7fc1280a9000 [pid 7000] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 6999] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [ 255.566324][ T6995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 255.576402][ T6995] Call Trace: [ 255.579702][ T6995] [ 255.582656][ T6995] dump_stack_lvl+0xcd/0x134 [ 255.587286][ T6995] should_fail.cold+0x5/0xa [ 255.591821][ T6995] get_futex_key+0x5b2/0x1c50 [ 255.596530][ T6995] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 255.602547][ T6995] ? futex_setup_timer+0xf0/0xf0 [ 255.607536][ T6995] futex_wake+0xe4/0x490 [ 255.611814][ T6995] ? futex_wake_mark+0x1a0/0x1a0 [ 255.616775][ T6995] ? ptrace_stop.part.0+0x5ec/0xa80 [pid 6998] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7000] <... mprotect resumed>) = 0 [pid 6999] <... mprotect resumed>) = 0 [pid 6998] <... mprotect resumed>) = 0 [pid 7000] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6999] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6998] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7000] <... clone resumed>, parent_tid=[7001], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7001 [pid 6999] <... clone resumed>, parent_tid=[7002], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7002 [pid 6998] <... clone resumed>, parent_tid=[7003], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7003 [pid 7000] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] <... futex resumed>) = 0 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7003 attached ./strace-static-x86_64: Process 7002 attached [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7001 attached [pid 7003] set_robust_list(0x7fc1280c99e0, 24 [pid 7002] set_robust_list(0x7fc1280c99e0, 24 [pid 7003] <... set_robust_list resumed>) = 0 [pid 7002] <... set_robust_list resumed>) = 0 [pid 7001] set_robust_list(0x7fc1280c99e0, 24 [pid 7003] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7002] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7001] <... set_robust_list resumed>) = 0 [pid 7003] <... socket resumed>) = 3 [pid 7002] <... socket resumed>) = 3 [pid 7001] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7003] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... socket resumed>) = 3 [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 1 [pid 7001] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7002] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... setsockopt resumed>) = 0 [pid 7002] <... setsockopt resumed>) = 0 [pid 7001] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... setsockopt resumed>) = 0 [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 1 [pid 7001] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [ 255.622004][ T6995] ? do_raw_spin_lock+0x120/0x2a0 [ 255.627055][ T6995] ? rwlock_bug.part.0+0x90/0x90 [ 255.632014][ T6995] ? _raw_spin_lock_irq+0x41/0x50 [ 255.637075][ T6995] do_futex+0x266/0x300 [ 255.641257][ T6995] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 255.647174][ T6995] ? find_held_lock+0x2d/0x110 [ 255.651982][ T6995] __x64_sys_futex+0x1b0/0x4a0 [ 255.656799][ T6995] ? do_futex+0x300/0x300 [ 255.661150][ T6995] ? _raw_spin_unlock_irq+0x1f/0x40 [ 255.666381][ T6995] ? lockdep_hardirqs_on+0x79/0x100 [pid 6998] <... futex resumed>) = 0 [pid 7003] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7002] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... setsockopt resumed>) = 0 [pid 7002] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7001] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 1 [pid 7001] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7002] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... setsockopt resumed>) = 0 [pid 7002] <... setsockopt resumed>) = 0 [pid 7001] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... setsockopt resumed>) = 0 [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 1 [pid 7001] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7002] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... sendto resumed>) = 1 [pid 7002] <... sendto resumed>) = 1 [pid 7001] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... sendto resumed>) = 1 [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 1 [pid 7001] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [ 255.671605][ T6995] ? _raw_spin_unlock_irq+0x2a/0x40 [ 255.676833][ T6995] ? ptrace_notify+0xfa/0x140 [ 255.681537][ T6995] do_syscall_64+0x35/0xb0 [ 255.685983][ T6995] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 255.691906][ T6995] RIP: 0033:0x7fc128117db9 [ 255.696340][ T6995] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 255.715980][ T6995] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 6998] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7002] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... sendto resumed>) = 1 [pid 7002] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7001] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7003] <... futex resumed>) = 1 [pid 7002] <... futex resumed>) = 1 [pid 7001] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7001] <... futex resumed>) = 1 [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7001] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7000] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 7003] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7002] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7000] <... futex resumed>) = 0 [pid 6999] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6998] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] <... openat resumed>) = 4 [pid 7002] <... openat resumed>) = 4 [pid 7001] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7000] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7003] write(4, "5", 1 [pid 7002] write(4, "5", 1 [pid 7001] <... openat resumed>) = 4 [pid 7003] <... write resumed>) = 1 [pid 7002] <... write resumed>) = 1 [pid 7001] write(4, "5", 1 [pid 6997] <... prctl resumed>) = 0 [pid 7003] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7002] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7001] <... write resumed>) = 1 [pid 6997] setpgid(0, 0 [pid 7003] <... setsockopt resumed>) = 0 [pid 6996] <... prctl resumed>) = 0 [pid 6996] setpgid(0, 0) = 0 [pid 6996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6996] write(3, "1000", 4) = 4 [pid 6996] close(3) = 0 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7003] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... setsockopt resumed>) = 0 [pid 7001] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 6997] <... setpgid resumed>) = 0 [pid 6996] <... mmap resumed>) = 0x7fc1280a9000 [pid 6996] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7003] <... futex resumed>) = 1 [pid 6998] <... futex resumed>) = 0 [pid 6996] <... mprotect resumed>) = 0 [pid 7001] <... setsockopt resumed>) = 0 [pid 6997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 255.724427][ T6995] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 255.732429][ T6995] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 255.740414][ T6995] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 255.748403][ T6995] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 255.756406][ T6995] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 255.764419][ T6995] [pid 6996] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7003] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7002] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7001] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] exit_group(0 [pid 6997] <... openat resumed>) = 3 [pid 6996] <... clone resumed>, parent_tid=[7004], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7004 [pid 6996] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7004 attached [pid 7004] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7004] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7004] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... futex resumed>) = 0 [pid 6996] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... futex resumed>) = 1 [pid 7004] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7004] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... futex resumed>) = 0 [pid 6996] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... futex resumed>) = 1 [pid 7004] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7004] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... futex resumed>) = 0 [pid 6996] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... futex resumed>) = 1 [pid 7004] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7004] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... futex resumed>) = 0 [pid 6996] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... futex resumed>) = 1 [pid 7004] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 7004] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... futex resumed>) = 0 [pid 6996] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... futex resumed>) = 1 [pid 7004] sendto(3, "\x01", 1, 0, NULL, 0) = -1 ECONNREFUSED (Connection refused) [pid 7004] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6996] <... futex resumed>) = 0 [pid 7004] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6996] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] <... openat resumed>) = 4 [pid 6996] <... futex resumed>) = 0 [pid 7004] write(4, "5", 1 [pid 6996] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7004] <... write resumed>) = 1 [pid 7004] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7004] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = ? [pid 6998] <... exit_group resumed>) = ? [ 255.777602][ T7002] FAULT_INJECTION: forcing a failure. [ 255.777602][ T7002] name fail_futex, interval 1, probability 0, space 0, times 0 [ 255.787520][ T7004] FAULT_INJECTION: forcing a failure. [ 255.787520][ T7004] name fail_futex, interval 1, probability 0, space 0, times 0 [ 255.790798][ T7001] FAULT_INJECTION: forcing a failure. [ 255.790798][ T7001] name fail_futex, interval 1, probability 0, space 0, times 0 [ 255.804119][ T7002] CPU: 1 PID: 7002 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 255.826478][ T7002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 255.836546][ T7002] Call Trace: [ 255.839831][ T7002] [ 255.842773][ T7002] dump_stack_lvl+0xcd/0x134 [ 255.847382][ T7002] should_fail.cold+0x5/0xa [ 255.851899][ T7002] get_futex_key+0x5b2/0x1c50 [ 255.856588][ T7002] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 255.862592][ T7002] ? futex_setup_timer+0xf0/0xf0 [ 255.867552][ T7002] futex_wake+0xe4/0x490 [ 255.871805][ T7002] ? futex_wake_mark+0x1a0/0x1a0 [ 255.876756][ T7002] ? ptrace_stop.part.0+0x5ec/0xa80 [ 255.881975][ T7002] ? do_raw_spin_lock+0x120/0x2a0 [ 255.887013][ T7002] ? rwlock_bug.part.0+0x90/0x90 [ 255.891957][ T7002] ? _raw_spin_lock_irq+0x41/0x50 [ 255.896999][ T7002] do_futex+0x266/0x300 [ 255.901170][ T7002] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 255.907102][ T7002] ? find_held_lock+0x2d/0x110 [ 255.911905][ T7002] __x64_sys_futex+0x1b0/0x4a0 [ 255.916702][ T7002] ? do_futex+0x300/0x300 [ 255.921048][ T7002] ? _raw_spin_unlock_irq+0x1f/0x40 [ 255.926269][ T7002] ? lockdep_hardirqs_on+0x79/0x100 [ 255.931476][ T7002] ? _raw_spin_unlock_irq+0x2a/0x40 [ 255.936686][ T7002] ? ptrace_notify+0xfa/0x140 [ 255.941393][ T7002] do_syscall_64+0x35/0xb0 [ 255.945833][ T7002] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 255.951758][ T7002] RIP: 0033:0x7fc128117db9 [ 255.956197][ T7002] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7003] +++ exited with 0 +++ [pid 7000] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6998] +++ exited with 0 +++ [pid 6997] write(3, "1000", 4 [pid 7000] exit_group(0 [pid 6999] exit_group(0 [pid 6997] <... write resumed>) = 4 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6998, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7000] <... exit_group resumed>) = ? [pid 6999] <... exit_group resumed>) = ? [pid 6997] close(3) = 0 [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 6997] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6997] <... mprotect resumed>) = 0 [pid 6997] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7005 [pid 6997] <... clone resumed>, parent_tid=[7006], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7006 [pid 6997] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7006 attached [pid 7006] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7006] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7006] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6997] <... futex resumed>) = 0 [pid 7006] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 6997] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... setsockopt resumed>) = 0 [pid 6997] <... futex resumed>) = 0 [pid 7006] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7006] <... futex resumed>) = 0 [pid 6997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7006] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... futex resumed>) = 0 [pid 7006] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7006] <... setsockopt resumed>) = 0 [pid 7006] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6997] <... futex resumed>) = 0 [pid 7006] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... futex resumed>) = 0 [pid 7006] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7006] <... setsockopt resumed>) = 0 [pid 7006] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6997] <... futex resumed>) = 0 [pid 7006] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... futex resumed>) = 0 [pid 7006] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7006] <... sendto resumed>) = 1 [pid 7006] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6997] <... futex resumed>) = 0 [pid 7006] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... futex resumed>) = 0 [pid 7006] sendto(3, "\x01", 1, 0, NULL, 0 [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7006] <... sendto resumed>) = 1 [pid 7006] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6997] <... futex resumed>) = 0 [pid 7006] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7006] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... futex resumed>) = 0 [pid 7006] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 6997] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7006] <... openat resumed>) = 4 [pid 7006] write(4, "5", 1) = 1 [pid 7006] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7006] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6997] <... futex resumed>) = 0 [pid 7006] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6997] exit_group(0 [pid 7006] <... futex resumed>) = ? [pid 6997] <... exit_group resumed>) = ? [pid 7006] +++ exited with 0 +++ [pid 6997] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6997, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7007 ./strace-static-x86_64: Process 7007 attached [pid 7007] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7007] setpgid(0, 0) = 0 [pid 7007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7007] write(3, "1000", 4) = 4 [pid 7007] close(3) = 0 [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [ 255.975829][ T7002] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 255.984359][ T7002] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 255.992354][ T7002] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 256.000344][ T7002] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 256.008335][ T7002] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 256.016322][ T7002] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 256.024329][ T7002] [ 256.028822][ T7004] CPU: 1 PID: 7004 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 256.039359][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 256.049423][ T7004] Call Trace: [ 256.052703][ T7004] [ 256.055642][ T7004] dump_stack_lvl+0xcd/0x134 [ 256.060265][ T7004] should_fail.cold+0x5/0xa [ 256.064798][ T7004] get_futex_key+0x5b2/0x1c50 [ 256.069498][ T7004] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 256.075501][ T7004] ? futex_setup_timer+0xf0/0xf0 [ 256.080475][ T7004] futex_wake+0xe4/0x490 [ 256.084747][ T7004] ? futex_wake_mark+0x1a0/0x1a0 [ 256.089706][ T7004] ? ptrace_stop.part.0+0x5ec/0xa80 [ 256.094922][ T7004] ? do_raw_spin_lock+0x120/0x2a0 [ 256.099968][ T7004] ? rwlock_bug.part.0+0x90/0x90 [ 256.105015][ T7004] ? _raw_spin_lock_irq+0x41/0x50 [ 256.110087][ T7004] do_futex+0x266/0x300 [ 256.114266][ T7004] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 256.120180][ T7004] ? find_held_lock+0x2d/0x110 [ 256.124975][ T7004] __x64_sys_futex+0x1b0/0x4a0 [ 256.129758][ T7004] ? do_futex+0x300/0x300 [ 256.134091][ T7004] ? _raw_spin_unlock_irq+0x1f/0x40 [ 256.139311][ T7004] ? lockdep_hardirqs_on+0x79/0x100 [ 256.144510][ T7004] ? _raw_spin_unlock_irq+0x2a/0x40 [ 256.149715][ T7004] ? ptrace_notify+0xfa/0x140 [ 256.154397][ T7004] do_syscall_64+0x35/0xb0 [ 256.158847][ T7004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 256.164763][ T7004] RIP: 0033:0x7fc128117db9 [ 256.169190][ T7004] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 256.188806][ T7004] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 256.197226][ T7004] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 256.205200][ T7004] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 256.213187][ T7004] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 256.221156][ T7004] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7007] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7007] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7008], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7008 [pid 7007] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7008 attached [pid 7008] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7008] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7008] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7008] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7007] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... setsockopt resumed>) = 0 [pid 7007] <... futex resumed>) = 0 [pid 7008] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] <... futex resumed>) = 0 [pid 7007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7008] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 7008] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] <... setsockopt resumed>) = 0 [pid 7008] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7008] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 7008] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] <... setsockopt resumed>) = 0 [pid 7008] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7008] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 7008] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] <... sendto resumed>) = 1 [pid 7008] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7008] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 7008] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] <... sendto resumed>) = 1 [pid 7008] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7007] <... futex resumed>) = 0 [pid 6996] exit_group(0 [pid 7008] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... exit_group resumed>) = ? [pid 7008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7007] <... futex resumed>) = 0 [pid 7008] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7007] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] <... openat resumed>) = 4 [pid 7008] write(4, "5", 1) = 1 [pid 7008] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7008] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7007] <... futex resumed>) = 0 [pid 7008] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7007] exit_group(0 [pid 7008] <... futex resumed>) = ? [pid 7007] <... exit_group resumed>) = ? [pid 7008] +++ exited with 0 +++ [pid 7007] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7007, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7009 ./strace-static-x86_64: Process 7009 attached [pid 7009] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7009] setpgid(0, 0) = 0 [pid 7009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7005 attached ) = 3 [pid 7004] <... futex resumed>) = ? [pid 7002] <... futex resumed>) = ? [pid 6995] <... futex resumed>) = ? [pid 7009] write(3, "1000", 4 [pid 7005] set_robust_list(0x5555564f35e0, 24 [pid 7004] +++ exited with 0 +++ [pid 7002] +++ exited with 0 +++ [pid 6999] +++ exited with 0 +++ [pid 6996] +++ exited with 0 +++ [pid 6995] +++ exited with 0 +++ [pid 6994] +++ exited with 0 +++ [pid 7005] <... set_robust_list resumed>) = 0 [pid 7005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7005] setpgid(0, 0) = 0 [pid 7005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6996, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 7009] <... write resumed>) = 4 [pid 7005] write(3, "1000", 4 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6994, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 7005] <... write resumed>) = 4 [pid 7005] close(3) = 0 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7005] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7005] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7005] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7010], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7010 [pid 7005] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7010 attached [pid 7010] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7010] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7010] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... futex resumed>) = 0 [pid 7005] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7010] <... futex resumed>) = 1 [pid 7010] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7010] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... futex resumed>) = 0 [pid 7005] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7010] <... futex resumed>) = 1 [pid 7010] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7009] close(3 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6999, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7009] <... close resumed>) = 0 [pid 7010] <... setsockopt resumed>) = 0 [pid 7010] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... futex resumed>) = 0 [pid 7005] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7011 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7009] <... futex resumed>) = 0 [pid 7010] <... futex resumed>) = 1 [pid 7010] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7010] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... futex resumed>) = 0 [pid 7005] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7005] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7012 [pid 7009] <... mmap resumed>) = 0x7fc1280a9000 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7010] <... futex resumed>) = 1 [pid 7010] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7009] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7013 ./strace-static-x86_64: Process 7012 attached ./strace-static-x86_64: Process 7011 attached [pid 7009] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7012] set_robust_list(0x5555564f35e0, 24 [pid 7011] set_robust_list(0x5555564f35e0, 24 [pid 7009] <... clone resumed>, parent_tid=[7014], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7014 [pid 7009] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7009] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7013 attached [pid 7012] <... set_robust_list resumed>) = 0 [pid 7011] <... set_robust_list resumed>) = 0 [pid 7013] set_robust_list(0x5555564f35e0, 24 [pid 7012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7013] <... set_robust_list resumed>) = 0 [pid 7012] <... prctl resumed>) = 0 [pid 7011] <... prctl resumed>) = 0 [pid 7010] <... sendto resumed>) = 1 [pid 7013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7012] setpgid(0, 0 [pid 7011] setpgid(0, 0 [pid 7013] <... prctl resumed>) = 0 [pid 7012] <... setpgid resumed>) = 0 [pid 7011] <... setpgid resumed>) = 0 [pid 7010] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] setpgid(0, 0 [ 256.229133][ T7004] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 256.237116][ T7004] [pid 7012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 256.274201][ T7001] CPU: 1 PID: 7001 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 256.284845][ T7001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 256.294915][ T7001] Call Trace: [ 256.298204][ T7001] [ 256.301142][ T7001] dump_stack_lvl+0xcd/0x134 [ 256.305754][ T7001] should_fail.cold+0x5/0xa [ 256.310284][ T7001] get_futex_key+0x5b2/0x1c50 [ 256.314986][ T7001] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 256.320993][ T7001] ? futex_setup_timer+0xf0/0xf0 [ 256.325959][ T7001] futex_wake+0xe4/0x490 [ 256.330227][ T7001] ? futex_wake_mark+0x1a0/0x1a0 [ 256.335182][ T7001] ? ptrace_stop.part.0+0x5ec/0xa80 [ 256.340409][ T7001] ? do_raw_spin_lock+0x120/0x2a0 [ 256.345450][ T7001] ? rwlock_bug.part.0+0x90/0x90 [ 256.350412][ T7001] ? _raw_spin_lock_irq+0x41/0x50 [ 256.355483][ T7001] do_futex+0x266/0x300 [ 256.359665][ T7001] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 256.365574][ T7001] ? find_held_lock+0x2d/0x110 [ 256.370361][ T7001] __x64_sys_futex+0x1b0/0x4a0 [ 256.375137][ T7001] ? do_futex+0x300/0x300 [ 256.379469][ T7001] ? _raw_spin_unlock_irq+0x1f/0x40 [ 256.384682][ T7001] ? lockdep_hardirqs_on+0x79/0x100 [ 256.389883][ T7001] ? _raw_spin_unlock_irq+0x2a/0x40 [ 256.395096][ T7001] ? ptrace_notify+0xfa/0x140 [ 256.399777][ T7001] do_syscall_64+0x35/0xb0 [ 256.404195][ T7001] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 256.410097][ T7001] RIP: 0033:0x7fc128117db9 [ 256.414513][ T7001] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 256.434118][ T7001] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 256.442530][ T7001] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 256.450515][ T7001] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 256.458491][ T7001] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 256.466458][ T7001] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7013] <... setpgid resumed>) = 0 [pid 7012] <... openat resumed>) = 3 [pid 7011] <... openat resumed>) = 3 [pid 7010] <... futex resumed>) = 1 [pid 7005] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7014 attached [pid 7009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7014] set_robust_list(0x7fc1280c99e0, 24 [pid 7009] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... set_robust_list resumed>) = 0 [pid 7009] <... futex resumed>) = 0 [pid 7013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7012] write(3, "1000", 4 [pid 7011] write(3, "1000", 4 [pid 7010] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7005] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7011] <... write resumed>) = 4 [pid 7005] <... futex resumed>) = 0 [pid 7010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] <... socket resumed>) = 3 [pid 7013] <... openat resumed>) = 3 [pid 7012] <... write resumed>) = 4 [pid 7011] close(3 [pid 7010] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7009] <... mmap resumed>) = 0x7fc128088000 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7014] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] write(3, "1000", 4 [pid 7012] close(3 [pid 7011] <... close resumed>) = 0 [pid 7009] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7014] <... futex resumed>) = 0 [pid 7013] <... write resumed>) = 4 [pid 7012] <... close resumed>) = 0 [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] <... sendto resumed>) = 1 [pid 7009] <... mprotect resumed>) = 0 [pid 7014] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] close(3 [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... futex resumed>) = 0 [pid 7010] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7001] <... futex resumed>) = ? ./strace-static-x86_64: Process 7015 attached [pid 7013] <... close resumed>) = 0 [pid 7012] <... futex resumed>) = 0 [pid 7011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7010] <... futex resumed>) = 1 [pid 7005] <... futex resumed>) = 0 [pid 7001] +++ exited with 0 +++ [pid 7000] +++ exited with 0 +++ [pid 7015] set_robust_list(0x7fc1280a89e0, 24 [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7011] <... mmap resumed>) = 0x7fc1280a9000 [pid 7010] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7009] <... clone resumed>, parent_tid=[7015], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7015 [pid 7005] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7015] <... set_robust_list resumed>) = 0 [pid 7013] <... futex resumed>) = 0 [pid 7012] <... mmap resumed>) = 0x7fc1280a9000 [pid 7011] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7009] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7000, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 7015] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7012] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7011] <... mprotect resumed>) = 0 [pid 7010] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7009] <... futex resumed>) = 0 [pid 7005] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 7015] <... setsockopt resumed>) = 0 [pid 7013] <... mmap resumed>) = 0x7fc1280a9000 [pid 7012] <... mprotect resumed>) = 0 [pid 7011] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7010] <... openat resumed>) = 4 [pid 7009] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7015] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7012] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7010] write(4, "5", 1 [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] <... restart_syscall resumed>) = 0 [pid 7015] <... futex resumed>) = 0 [pid 7013] <... mprotect resumed>) = 0 [pid 7011] <... clone resumed>, parent_tid=[7016], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7016 [pid 7010] <... write resumed>) = 1 [pid 7009] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7016 attached [pid 7015] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] <... futex resumed>) = 0 [pid 7013] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7012] <... clone resumed>, parent_tid=[7017], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7017 [pid 7011] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7010] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7009] <... futex resumed>) = 1 [pid 7016] set_robust_list(0x7fc1280c99e0, 24 [pid 7014] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7012] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... futex resumed>) = 0 [pid 7010] <... setsockopt resumed>) = 0 [pid 7009] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7018 attached [pid 7016] <... set_robust_list resumed>) = 0 [pid 7014] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7013] <... clone resumed>, parent_tid=[7018], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7018 [pid 7012] <... futex resumed>) = 0 [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7010] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7017 attached [pid 7018] set_robust_list(0x7fc1280c99e0, 24 [pid 7016] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7014] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7010] <... futex resumed>) = 1 [pid 7005] <... futex resumed>) = 0 [pid 7018] <... set_robust_list resumed>) = 0 [pid 7017] set_robust_list(0x7fc1280c99e0, 24 [pid 7016] <... socket resumed>) = 3 [pid 7014] <... futex resumed>) = 1 [pid 7013] <... futex resumed>) = 0 [pid 7010] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7009] <... futex resumed>) = 0 [pid 7005] exit_group(0./strace-static-x86_64: Process 7019 attached [pid 7018] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7017] <... set_robust_list resumed>) = 0 [pid 7016] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7010] <... futex resumed>) = ? [ 256.474434][ T7001] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 256.482417][ T7001] [pid 7009] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7005] <... exit_group resumed>) = ? [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7019 [pid 7019] set_robust_list(0x5555564f35e0, 24 [pid 7018] <... socket resumed>) = 3 [pid 7017] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7016] <... futex resumed>) = 1 [pid 7014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7011] <... futex resumed>) = 0 [pid 7010] +++ exited with 0 +++ [pid 7009] <... futex resumed>) = 0 [pid 7005] +++ exited with 0 +++ [pid 7019] <... set_robust_list resumed>) = 0 [pid 7018] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] <... socket resumed>) = 3 [pid 7016] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7011] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7005, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7018] <... futex resumed>) = 1 [pid 7017] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] <... setsockopt resumed>) = 0 [pid 7013] <... futex resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 7019] <... prctl resumed>) = 0 [pid 7018] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] <... futex resumed>) = 1 [pid 7016] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7014] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] <... futex resumed>) = 0 [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... restart_syscall resumed>) = 0 [pid 7019] setpgid(0, 0 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] <... setsockopt resumed>) = 0 [pid 7014] <... futex resumed>) = 1 [pid 7013] <... futex resumed>) = 0 [pid 7012] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... futex resumed>) = 0 [pid 7019] <... setpgid resumed>) = 0 [pid 7018] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7016] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] <... futex resumed>) = 0 [pid 7009] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7018] <... setsockopt resumed>) = 0 [pid 7017] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7016] <... futex resumed>) = 1 [pid 7014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] <... futex resumed>) = 0 [pid 7009] <... futex resumed>) = 0 [pid 7019] <... openat resumed>) = 3 [pid 7018] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] <... setsockopt resumed>) = 0 [pid 7016] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7011] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7019] write(3, "1000", 4 [pid 7018] <... futex resumed>) = 1 [pid 7017] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7013] <... futex resumed>) = 0 [pid 7019] <... write resumed>) = 4 [pid 7017] <... futex resumed>) = 1 [pid 7012] <... futex resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 7019] close(3 [pid 7018] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7014] <... sendto resumed>) = 1 [pid 7013] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7019] <... close resumed>) = 0 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7016] <... setsockopt resumed>) = 0 [pid 7014] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7020 ./strace-static-x86_64: Process 7020 attached [pid 7019] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7017] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7016] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... futex resumed>) = 1 [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] <... futex resumed>) = 0 [pid 7020] set_robust_list(0x5555564f35e0, 24 [pid 7019] <... futex resumed>) = 0 [pid 7018] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7017] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7016] <... futex resumed>) = 1 [pid 7014] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] <... futex resumed>) = 0 [pid 7009] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... set_robust_list resumed>) = 0 [pid 7019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7018] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7011] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... futex resumed>) = 0 [pid 7020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7019] <... mmap resumed>) = 0x7fc1280a9000 [pid 7018] <... futex resumed>) = 1 [pid 7017] <... futex resumed>) = 1 [pid 7016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7013] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 7009] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] <... prctl resumed>) = 0 [pid 7019] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7018] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7014] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7013] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] setpgid(0, 0 [pid 7019] <... mprotect resumed>) = 0 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7016] <... setsockopt resumed>) = 0 [pid 7014] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 0 [pid 7020] <... setpgid resumed>) = 0 [pid 7019] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7018] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7017] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7016] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... futex resumed>) = 1 [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] <... futex resumed>) = 0 [pid 7020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7018] <... setsockopt resumed>) = 0 [pid 7017] <... setsockopt resumed>) = 0 [pid 7016] <... futex resumed>) = 1 [pid 7014] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] <... futex resumed>) = 0 [pid 7009] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... openat resumed>) = 3 [pid 7019] <... clone resumed>, parent_tid=[7021], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7021 [pid 7018] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7011] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7021 attached [pid 7020] write(3, "1000", 4 [pid 7019] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] <... futex resumed>) = 1 [pid 7017] <... futex resumed>) = 1 [pid 7016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7013] <... futex resumed>) = 0 [pid 7012] <... futex resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 7009] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] set_robust_list(0x7fc1280c99e0, 24 [pid 7020] <... write resumed>) = 4 [pid 7019] <... futex resumed>) = 0 [pid 7018] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7014] <... openat resumed>) = 4 [pid 7013] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... set_robust_list resumed>) = 0 [pid 7020] close(3 [pid 7019] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7012] <... futex resumed>) = 0 [pid 7020] <... close resumed>) = 0 [pid 7017] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7017] <... sendto resumed>) = 1 [pid 7014] write(4, "5", 1 [pid 7013] <... futex resumed>) = 0 [pid 7021] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7020] <... futex resumed>) = 0 [pid 7017] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... sendto resumed>) = 1 [pid 7021] <... socket resumed>) = 3 [pid 7020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7018] <... sendto resumed>) = 1 [pid 7017] <... futex resumed>) = 1 [pid 7016] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... write resumed>) = 1 [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7012] <... futex resumed>) = 0 [pid 7021] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... mmap resumed>) = 0x7fc1280a9000 [pid 7018] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] <... futex resumed>) = 1 [pid 7014] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7012] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 1 [pid 7020] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7019] <... futex resumed>) = 0 [pid 7018] <... futex resumed>) = 0 [pid 7017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7016] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] <... setsockopt resumed>) = 0 [pid 7013] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7012] <... futex resumed>) = 0 [pid 7011] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] <... mprotect resumed>) = 0 [pid 7019] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7017] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... futex resumed>) = 0 [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7019] <... futex resumed>) = 0 [pid 7018] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7017] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7016] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7019] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7017] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... clone resumed>, parent_tid=[7022], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7022 [pid 7017] <... futex resumed>) = 1 [pid 7012] <... futex resumed>) = 0 [pid 7020] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7012] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... futex resumed>) = 0 [pid 7017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7012] <... futex resumed>) = 0 [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7017] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7012] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7017] <... openat resumed>) = 4 [pid 7017] write(4, "5", 1) = 1 [pid 7017] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7017] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7018] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... sendto resumed>) = 1 [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... setsockopt resumed>) = 0 [pid 7018] <... futex resumed>) = 0 [pid 7016] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7022 attached [pid 7011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7022] set_robust_list(0x7fc1280c99e0, 24 [pid 7011] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... set_robust_list resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 7022] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7011] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... socket resumed>) = 3 [pid 7022] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7020] <... futex resumed>) = 0 [pid 7022] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7020] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... setsockopt resumed>) = 0 [pid 7020] <... futex resumed>) = 0 [pid 7022] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... futex resumed>) = 0 [pid 7020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7022] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] <... futex resumed>) = 0 [pid 7022] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7022] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7020] <... futex resumed>) = 0 [pid 7022] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] <... futex resumed>) = 0 [pid 7022] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... setsockopt resumed>) = 0 [pid 7022] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7020] <... futex resumed>) = 0 [pid 7022] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] <... futex resumed>) = 0 [pid 7022] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... sendto resumed>) = 1 [pid 7022] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7020] <... futex resumed>) = 0 [pid 7022] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] <... futex resumed>) = 0 [ 256.606148][ T7014] FAULT_INJECTION: forcing a failure. [ 256.606148][ T7014] name fail_futex, interval 1, probability 0, space 0, times 0 [ 256.615183][ T7017] FAULT_INJECTION: forcing a failure. [ 256.615183][ T7017] name fail_futex, interval 1, probability 0, space 0, times 0 [ 256.633839][ T7014] CPU: 0 PID: 7014 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 256.644386][ T7014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 7022] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7022] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7020] <... futex resumed>) = 0 [pid 7022] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] <... futex resumed>) = 0 [pid 7022] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7020] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7022] <... openat resumed>) = 4 [ 256.654467][ T7014] Call Trace: [ 256.657766][ T7014] [ 256.660712][ T7014] dump_stack_lvl+0xcd/0x134 [ 256.662636][ T7022] FAULT_INJECTION: forcing a failure. [ 256.662636][ T7022] name fail_futex, interval 1, probability 0, space 0, times 0 [ 256.665315][ T7014] should_fail.cold+0x5/0xa [ 256.665348][ T7014] get_futex_key+0x5b2/0x1c50 [ 256.665372][ T7014] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 256.665397][ T7014] ? futex_setup_timer+0xf0/0xf0 [ 256.665428][ T7014] futex_wake+0xe4/0x490 [ 256.702505][ T7014] ? futex_wake_mark+0x1a0/0x1a0 [ 256.707548][ T7014] ? ptrace_stop.part.0+0x5ec/0xa80 [ 256.712751][ T7014] ? do_raw_spin_lock+0x120/0x2a0 [ 256.717784][ T7014] ? rwlock_bug.part.0+0x90/0x90 [ 256.722719][ T7014] ? _raw_spin_lock_irq+0x41/0x50 [ 256.727754][ T7014] do_futex+0x266/0x300 [ 256.731913][ T7014] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 256.737813][ T7014] ? find_held_lock+0x2d/0x110 [ 256.742607][ T7014] __x64_sys_futex+0x1b0/0x4a0 [ 256.747466][ T7014] ? do_futex+0x300/0x300 [ 256.751797][ T7014] ? _raw_spin_unlock_irq+0x1f/0x40 [ 256.757013][ T7014] ? lockdep_hardirqs_on+0x79/0x100 [ 256.762313][ T7014] ? _raw_spin_unlock_irq+0x2a/0x40 [ 256.767524][ T7014] ? ptrace_notify+0xfa/0x140 [ 256.772210][ T7014] do_syscall_64+0x35/0xb0 [ 256.776637][ T7014] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 256.782537][ T7014] RIP: 0033:0x7fc128117db9 [ 256.786954][ T7014] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 256.806571][ T7014] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 256.814982][ T7014] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 256.822957][ T7014] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 256.830927][ T7014] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 256.838901][ T7014] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 256.846876][ T7014] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 7022] write(4, "5", 1 [pid 7019] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7022] <... write resumed>) = 1 [pid 7019] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7019] <... futex resumed>) = 0 [pid 7022] <... setsockopt resumed>) = 0 [pid 7019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7022] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7019] <... mmap resumed>) = 0x7fc128088000 [pid 7019] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7012] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7019] <... mprotect resumed>) = 0 [pid 7012] exit_group(0 [pid 7011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7019] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7012] <... exit_group resumed>) = ? [pid 7019] <... clone resumed>, parent_tid=[7023], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7023 [pid 7019] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7019] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7023 attached [pid 7023] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7023] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7023] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7019] <... futex resumed>) = 0 [pid 7023] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7019] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... setsockopt resumed>) = 0 [pid 7019] <... futex resumed>) = 0 [pid 7023] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7019] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7018] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7016] <... futex resumed>) = 0 [pid 7013] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7023] <... futex resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7020] exit_group(0 [pid 7019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7016] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7013] <... futex resumed>) = 0 [pid 7009] exit_group(0 [pid 7023] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7021] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7020] <... exit_group resumed>) = ? [pid 7019] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7018] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7016] <... openat resumed>) = 4 [pid 7015] <... futex resumed>) = ? [pid 7013] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] <... exit_group resumed>) = ? [ 256.854860][ T7014] [ 256.871983][ T7022] CPU: 1 PID: 7022 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 256.882534][ T7022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 256.892604][ T7022] Call Trace: [ 256.895890][ T7022] [ 256.898834][ T7022] dump_stack_lvl+0xcd/0x134 [ 256.903455][ T7022] should_fail.cold+0x5/0xa [ 256.907981][ T7022] get_futex_key+0x5b2/0x1c50 [ 256.912673][ T7022] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 256.918685][ T7022] ? futex_setup_timer+0xf0/0xf0 [ 256.923652][ T7022] futex_wake+0xe4/0x490 [ 256.927936][ T7022] ? futex_wake_mark+0x1a0/0x1a0 [ 256.932976][ T7022] ? ptrace_stop.part.0+0x5ec/0xa80 [ 256.938194][ T7022] ? do_raw_spin_lock+0x120/0x2a0 [ 256.943227][ T7022] ? rwlock_bug.part.0+0x90/0x90 [ 256.948174][ T7022] ? _raw_spin_lock_irq+0x41/0x50 [ 256.953220][ T7022] do_futex+0x266/0x300 [ 256.957390][ T7022] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 256.963383][ T7022] ? find_held_lock+0x2d/0x110 [ 256.968170][ T7022] __x64_sys_futex+0x1b0/0x4a0 [ 256.972949][ T7022] ? do_futex+0x300/0x300 [ 256.977286][ T7022] ? _raw_spin_unlock_irq+0x1f/0x40 [ 256.982512][ T7022] ? lockdep_hardirqs_on+0x79/0x100 [ 256.987721][ T7022] ? _raw_spin_unlock_irq+0x2a/0x40 [ 256.992930][ T7022] ? ptrace_notify+0xfa/0x140 [ 256.997620][ T7022] do_syscall_64+0x35/0xb0 [ 257.002043][ T7022] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 257.007947][ T7022] RIP: 0033:0x7fc128117db9 [ 257.012381][ T7022] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 257.032002][ T7022] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 257.040428][ T7022] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 257.048406][ T7022] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7019] <... futex resumed>) = 0 [pid 7018] <... openat resumed>) = 4 [pid 7016] write(4, "5", 1 [pid 7015] +++ exited with 0 +++ [pid 7013] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7021] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7019] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... sendto resumed>) = 1 [pid 7021] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7019] <... futex resumed>) = 0 [pid 7021] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7019] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7019] <... futex resumed>) = 0 [pid 7021] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7019] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7021] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7019] <... futex resumed>) = 0 [pid 7021] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7019] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7019] <... futex resumed>) = 0 [pid 7021] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [ 257.056390][ T7022] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 257.064369][ T7022] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 257.072374][ T7022] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 257.080366][ T7022] [ 257.083388][ T7017] CPU: 0 PID: 7017 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 257.093916][ T7017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 257.104003][ T7017] Call Trace: [ 257.107304][ T7017] [ 257.110256][ T7017] dump_stack_lvl+0xcd/0x134 [ 257.111653][ T7018] FAULT_INJECTION: forcing a failure. [ 257.111653][ T7018] name fail_futex, interval 1, probability 0, space 0, times 0 [ 257.114861][ T7017] should_fail.cold+0x5/0xa [ 257.114892][ T7017] get_futex_key+0x5b2/0x1c50 [ 257.114921][ T7017] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 257.114950][ T7017] ? futex_setup_timer+0xf0/0xf0 [ 257.129168][ T7021] FAULT_INJECTION: forcing a failure. [pid 7019] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... openat resumed>) = 4 [pid 7018] write(4, "5", 1 [pid 7016] <... write resumed>) = 1 [pid 7021] write(4, "5", 1 [pid 7018] <... write resumed>) = 1 [pid 7016] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7021] <... write resumed>) = 1 [pid 7018] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7016] <... setsockopt resumed>) = 0 [pid 7021] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7018] <... setsockopt resumed>) = 0 [pid 7016] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... setsockopt resumed>) = 0 [ 257.129168][ T7021] name fail_futex, interval 1, probability 0, space 0, times 0 [ 257.132224][ T7017] futex_wake+0xe4/0x490 [ 257.164791][ T7017] ? futex_wake_mark+0x1a0/0x1a0 [ 257.169752][ T7017] ? ptrace_stop.part.0+0x5ec/0xa80 [ 257.174969][ T7017] ? do_raw_spin_lock+0x120/0x2a0 [ 257.180008][ T7017] ? rwlock_bug.part.0+0x90/0x90 [ 257.184962][ T7017] ? _raw_spin_lock_irq+0x41/0x50 [ 257.190027][ T7017] do_futex+0x266/0x300 [ 257.194206][ T7017] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 257.200117][ T7017] ? find_held_lock+0x2d/0x110 [ 257.204927][ T7017] __x64_sys_futex+0x1b0/0x4a0 [ 257.209715][ T7017] ? do_futex+0x300/0x300 [ 257.214054][ T7017] ? _raw_spin_unlock_irq+0x1f/0x40 [ 257.219267][ T7017] ? lockdep_hardirqs_on+0x79/0x100 [ 257.224478][ T7017] ? _raw_spin_unlock_irq+0x2a/0x40 [ 257.229696][ T7017] ? ptrace_notify+0xfa/0x140 [ 257.234395][ T7017] do_syscall_64+0x35/0xb0 [ 257.238829][ T7017] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 257.244753][ T7017] RIP: 0033:0x7fc128117db9 [ 257.249178][ T7017] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 257.268887][ T7017] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 257.277317][ T7017] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 257.285389][ T7017] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 257.293371][ T7017] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 257.301354][ T7017] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7018] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] <... futex resumed>) = 0 [pid 7021] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7016] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] exit_group(0 [pid 7016] <... futex resumed>) = ? [pid 7013] exit_group(0 [pid 7011] <... exit_group resumed>) = ? [pid 7016] +++ exited with 0 +++ [pid 7013] <... exit_group resumed>) = ? [pid 7011] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7011, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7019] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7019] exit_group(0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7023] <... futex resumed>) = ? [pid 7019] <... exit_group resumed>) = ? [pid 7023] +++ exited with 0 +++ [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7024 [ 257.309334][ T7017] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 257.317355][ T7017] [ 257.320893][ T7018] CPU: 1 PID: 7018 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 257.331429][ T7018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 257.341489][ T7018] Call Trace: [ 257.344770][ T7018] [ 257.347703][ T7018] dump_stack_lvl+0xcd/0x134 [ 257.352306][ T7018] should_fail.cold+0x5/0xa [ 257.356838][ T7018] get_futex_key+0x5b2/0x1c50 [ 257.361519][ T7018] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 257.367505][ T7018] ? futex_setup_timer+0xf0/0xf0 [ 257.372452][ T7018] futex_wake+0xe4/0x490 [ 257.376701][ T7018] ? futex_wake_mark+0x1a0/0x1a0 [ 257.381641][ T7018] ? ptrace_stop.part.0+0x5ec/0xa80 [ 257.386843][ T7018] ? do_raw_spin_lock+0x120/0x2a0 [ 257.391878][ T7018] ? rwlock_bug.part.0+0x90/0x90 [ 257.396817][ T7018] ? _raw_spin_lock_irq+0x41/0x50 [ 257.401864][ T7018] do_futex+0x266/0x300 [ 257.406050][ T7018] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 257.411966][ T7018] ? find_held_lock+0x2d/0x110 [ 257.416759][ T7018] __x64_sys_futex+0x1b0/0x4a0 [ 257.421539][ T7018] ? do_futex+0x300/0x300 [ 257.425878][ T7018] ? _raw_spin_unlock_irq+0x1f/0x40 [ 257.431114][ T7018] ? lockdep_hardirqs_on+0x79/0x100 [ 257.436328][ T7018] ? _raw_spin_unlock_irq+0x2a/0x40 [ 257.441554][ T7018] ? ptrace_notify+0xfa/0x140 [ 257.446262][ T7018] do_syscall_64+0x35/0xb0 [ 257.450686][ T7018] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 257.456590][ T7018] RIP: 0033:0x7fc128117db9 [ 257.461015][ T7018] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 257.480978][ T7018] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 257.489393][ T7018] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 257.497364][ T7018] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac ./strace-static-x86_64: Process 7024 attached [pid 7014] <... futex resumed>) = ? [pid 7024] set_robust_list(0x5555564f35e0, 24 [pid 7014] +++ exited with 0 +++ [pid 7009] +++ exited with 0 +++ [pid 7024] <... set_robust_list resumed>) = 0 [pid 7024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7009, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7024] <... prctl resumed>) = 0 [pid 7024] setpgid(0, 0) = 0 [pid 7024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7024] write(3, "1000", 4) = 4 [pid 7024] close(3) = 0 [pid 7024] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7024] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7024] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7024] <... clone resumed>, parent_tid=[7025], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7025 [pid 7024] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7024] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7026 ./strace-static-x86_64: Process 7026 attached [ 257.505351][ T7018] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 257.513340][ T7018] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 257.521311][ T7018] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 257.529295][ T7018] [ 257.543114][ T7021] CPU: 1 PID: 7021 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 257.553666][ T7021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 257.563747][ T7021] Call Trace: [ 257.567040][ T7021] [ 257.569973][ T7021] dump_stack_lvl+0xcd/0x134 [ 257.574578][ T7021] should_fail.cold+0x5/0xa [ 257.579085][ T7021] get_futex_key+0x5b2/0x1c50 [ 257.583767][ T7021] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 257.589755][ T7021] ? futex_setup_timer+0xf0/0xf0 [ 257.594705][ T7021] futex_wake+0xe4/0x490 [ 257.598955][ T7021] ? futex_wake_mark+0x1a0/0x1a0 [ 257.603898][ T7021] ? ptrace_stop.part.0+0x5ec/0xa80 [ 257.609116][ T7021] ? do_raw_spin_lock+0x120/0x2a0 [ 257.614145][ T7021] ? rwlock_bug.part.0+0x90/0x90 [ 257.619097][ T7021] ? _raw_spin_lock_irq+0x41/0x50 [ 257.624131][ T7021] do_futex+0x266/0x300 [ 257.628293][ T7021] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 257.634189][ T7021] ? find_held_lock+0x2d/0x110 [ 257.638963][ T7021] __x64_sys_futex+0x1b0/0x4a0 [ 257.643733][ T7021] ? do_futex+0x300/0x300 [ 257.648059][ T7021] ? _raw_spin_unlock_irq+0x1f/0x40 [ 257.653263][ T7021] ? lockdep_hardirqs_on+0x79/0x100 [ 257.658466][ T7021] ? _raw_spin_unlock_irq+0x2a/0x40 [ 257.663675][ T7021] ? ptrace_notify+0xfa/0x140 [ 257.668357][ T7021] do_syscall_64+0x35/0xb0 [ 257.672789][ T7021] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 257.678687][ T7021] RIP: 0033:0x7fc128117db9 [ 257.683102][ T7021] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 257.702712][ T7021] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7026] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7026] setpgid(0, 0) = 0 [pid 7026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7026] write(3, "1000", 4) = 4 [pid 7026] close(3) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7026] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7026] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7027], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7027 [pid 7026] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7027 attached [pid 7027] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7027] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7027] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7026] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7027] <... futex resumed>) = 1 [pid 7027] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7027] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7026] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7027] <... futex resumed>) = 1 [pid 7027] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 7027] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7026] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7027] <... futex resumed>) = 1 [pid 7027] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7027] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7026] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7027] <... futex resumed>) = 1 [pid 7027] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 7027] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7026] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7027] <... futex resumed>) = 1 [pid 7027] sendto(3, "\x01", 1, 0, NULL, 0) = 1 [pid 7027] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7026] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7026] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7027] <... futex resumed>) = 1 [pid 7027] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7027] write(4, "5", 1) = 1 [pid 7027] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7027] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... futex resumed>) = 0 [pid 7026] exit_group(0) = ? [pid 7027] <... futex resumed>) = ? [pid 7027] +++ exited with 0 +++ [pid 7026] +++ exited with 0 +++ [pid 7017] <... futex resumed>) = ? [pid 7017] +++ exited with 0 +++ [pid 7012] +++ exited with 0 +++ [pid 7024] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7026, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7028 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7012, si_uid=0, si_status=0, si_utime=0, si_stime=41} --- ./strace-static-x86_64: Process 7028 attached [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7025 attached , child_tidptr=0x5555564f35d0) = 7029 ./strace-static-x86_64: Process 7029 attached [pid 7025] set_robust_list(0x7fc1280c99e0, 24 [pid 7024] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7022] <... futex resumed>) = ? [pid 7021] <... futex resumed>) = ? [pid 7018] <... futex resumed>) = ? [pid 7025] <... set_robust_list resumed>) = 0 [pid 7028] set_robust_list(0x5555564f35e0, 24 [pid 7021] +++ exited with 0 +++ [pid 7019] +++ exited with 0 +++ [pid 7028] <... set_robust_list resumed>) = 0 [pid 7028] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7018] +++ exited with 0 +++ [pid 7013] +++ exited with 0 +++ [pid 7025] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7019, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 7025] <... socket resumed>) = 3 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7013, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7025] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7025] <... futex resumed>) = 0 [pid 7025] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7028] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 7030 attached ./strace-static-x86_64: Process 7031 attached [pid 7024] <... futex resumed>) = 0 [pid 7022] +++ exited with 0 +++ [pid 7029] set_robust_list(0x5555564f35e0, 24 [pid 7028] setpgid(0, 0 [pid 7020] +++ exited with 0 +++ [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7030 [pid 7030] set_robust_list(0x5555564f35e0, 24 [pid 7029] <... set_robust_list resumed>) = 0 [pid 7028] <... setpgid resumed>) = 0 [pid 7024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7031 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7020, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 7029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7024] <... mmap resumed>) = 0x7fc128088000 [pid 7024] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7031] set_robust_list(0x5555564f35e0, 24 [pid 7024] <... mprotect resumed>) = 0 [pid 7029] <... prctl resumed>) = 0 [pid 7030] <... set_robust_list resumed>) = 0 [pid 7028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7024] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7032 attached ./strace-static-x86_64: Process 7033 attached [pid 7031] <... set_robust_list resumed>) = 0 [pid 7030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7029] setpgid(0, 0 [pid 7028] <... openat resumed>) = 3 [pid 7032] set_robust_list(0x7fc1280a89e0, 24 [pid 7031] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7030] <... prctl resumed>) = 0 [pid 7029] <... setpgid resumed>) = 0 [pid 7028] write(3, "1000", 4 [pid 7024] <... clone resumed>, parent_tid=[7032], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7032 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7033 [pid 7033] set_robust_list(0x5555564f35e0, 24 [pid 7032] <... set_robust_list resumed>) = 0 [pid 7031] <... prctl resumed>) = 0 [pid 7030] setpgid(0, 0 [pid 7029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7028] <... write resumed>) = 4 [pid 7024] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... set_robust_list resumed>) = 0 [pid 7032] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7031] setpgid(0, 0 [pid 7030] <... setpgid resumed>) = 0 [pid 7029] <... openat resumed>) = 3 [pid 7028] close(3 [pid 7024] <... futex resumed>) = 0 [pid 7033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7032] <... setsockopt resumed>) = 0 [pid 7031] <... setpgid resumed>) = 0 [pid 7030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7029] write(3, "1000", 4 [pid 7028] <... close resumed>) = 0 [pid 7024] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] <... prctl resumed>) = 0 [pid 7032] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7030] <... openat resumed>) = 3 [pid 7029] <... write resumed>) = 4 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] setpgid(0, 0 [pid 7032] <... futex resumed>) = 0 [pid 7031] <... openat resumed>) = 3 [pid 7030] write(3, "1000", 4 [pid 7029] close(3 [pid 7028] <... futex resumed>) = 0 [pid 7024] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... setpgid resumed>) = 0 [pid 7032] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7031] write(3, "1000", 4 [pid 7030] <... write resumed>) = 4 [pid 7029] <... close resumed>) = 0 [pid 7028] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7025] <... futex resumed>) = 0 [pid 7024] <... futex resumed>) = 1 [pid 7033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7031] <... write resumed>) = 4 [pid 7030] close(3 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... mmap resumed>) = 0x7fc1280a9000 [pid 7025] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7024] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] <... openat resumed>) = 3 [pid 7031] close(3 [pid 7030] <... close resumed>) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7028] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7025] <... setsockopt resumed>) = 0 [ 257.711130][ T7021] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 257.719102][ T7021] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 257.727090][ T7021] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 257.735063][ T7021] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 257.743034][ T7021] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 257.751021][ T7021] [pid 7033] write(3, "1000", 4 [pid 7031] <... close resumed>) = 0 [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7028] <... mprotect resumed>) = 0 [pid 7025] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... write resumed>) = 4 [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] <... futex resumed>) = 0 [pid 7029] <... mmap resumed>) = 0x7fc1280a9000 [pid 7028] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7025] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7033] close(3 [pid 7031] <... futex resumed>) = 0 [pid 7030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7029] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7025] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... close resumed>) = 0 [pid 7030] <... mmap resumed>) = 0x7fc1280a9000 [pid 7029] <... mprotect resumed>) = 0 [pid 7028] <... clone resumed>, parent_tid=[7034], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7034 [pid 7025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] <... futex resumed>) = 0 [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7030] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7029] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7028] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7024] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7034 attached [pid 7033] <... futex resumed>) = 0 [pid 7031] <... mmap resumed>) = 0x7fc1280a9000 [pid 7030] <... mprotect resumed>) = 0 [pid 7028] <... futex resumed>) = 0 [pid 7025] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 7035 attached [pid 7033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7031] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7030] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7029] <... clone resumed>, parent_tid=[7035], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7035 [pid 7034] set_robust_list(0x7fc1280c99e0, 24 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... mmap resumed>) = 0x7fc1280a9000 [pid 7031] <... mprotect resumed>) = 0 [pid 7029] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7034] <... set_robust_list resumed>) = 0 [pid 7033] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7031] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7030] <... clone resumed>, parent_tid=[7036], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7036 [pid 7029] <... futex resumed>) = 0 [pid 7025] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7033] <... mprotect resumed>) = 0 [pid 7030] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7036 attached [pid 7035] set_robust_list(0x7fc1280c99e0, 24 [pid 7034] <... socket resumed>) = 3 [pid 7033] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7031] <... clone resumed>, parent_tid=[7037], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7037 [pid 7030] <... futex resumed>) = 0 [pid 7025] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7024] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7038 attached ./strace-static-x86_64: Process 7037 attached [pid 7036] set_robust_list(0x7fc1280c99e0, 24 [pid 7035] <... set_robust_list resumed>) = 0 [pid 7034] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] <... sendto resumed>) = 1 [pid 7038] set_robust_list(0x7fc1280c99e0, 24 [pid 7037] set_robust_list(0x7fc1280c99e0, 24 [pid 7035] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7034] <... futex resumed>) = 1 [pid 7033] <... clone resumed>, parent_tid=[7038], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7038 [pid 7031] <... futex resumed>) = 0 [pid 7028] <... futex resumed>) = 0 [pid 7025] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... set_robust_list resumed>) = 0 [pid 7037] <... set_robust_list resumed>) = 0 [pid 7036] <... set_robust_list resumed>) = 0 [pid 7035] <... socket resumed>) = 3 [pid 7034] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7033] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7038] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7037] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7036] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7035] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] <... futex resumed>) = 0 [pid 7028] <... futex resumed>) = 0 [pid 7025] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... socket resumed>) = 3 [pid 7037] <... socket resumed>) = 3 [pid 7036] <... socket resumed>) = 3 [pid 7035] <... futex resumed>) = 1 [pid 7034] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] <... futex resumed>) = 0 [pid 7038] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] <... setsockopt resumed>) = 0 [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7024] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] <... futex resumed>) = 0 [pid 7037] <... futex resumed>) = 1 [pid 7036] <... futex resumed>) = 1 [pid 7035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7034] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7025] <... sendto resumed>) = 1 [pid 7038] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7037] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7036] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7034] <... futex resumed>) = 1 [pid 7033] <... futex resumed>) = 0 [pid 7031] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 0 [pid 7025] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... setsockopt resumed>) = 0 [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7035] <... setsockopt resumed>) = 0 [pid 7034] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7038] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7036] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7035] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 0 [pid 7025] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... futex resumed>) = 0 [pid 7037] <... setsockopt resumed>) = 0 [pid 7036] <... setsockopt resumed>) = 0 [pid 7035] <... futex resumed>) = 1 [pid 7034] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7033] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] <... futex resumed>) = 0 [pid 7038] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7037] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7033] <... futex resumed>) = 0 [pid 7029] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7024] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7037] <... futex resumed>) = 1 [pid 7036] <... futex resumed>) = 1 [pid 7035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7034] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7025] <... openat resumed>) = 4 [pid 7038] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7036] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7034] <... futex resumed>) = 1 [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7031] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 0 [pid 7025] write(4, "5", 1 [pid 7038] <... futex resumed>) = 0 [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7035] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7034] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7033] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] <... write resumed>) = 1 [pid 7038] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7037] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7036] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7035] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] <... futex resumed>) = 0 [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 0 [pid 7025] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7038] <... setsockopt resumed>) = 0 [pid 7037] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7036] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7035] <... futex resumed>) = 1 [pid 7034] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] <... setsockopt resumed>) = 0 [pid 7038] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] <... setsockopt resumed>) = 0 [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7029] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7025] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... futex resumed>) = 0 [pid 7037] <... futex resumed>) = 1 [pid 7036] <... futex resumed>) = 1 [pid 7035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7034] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7025] <... futex resumed>) = 1 [pid 7024] <... futex resumed>) = 0 [pid 7038] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7037] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7036] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7034] <... futex resumed>) = 1 [pid 7033] <... futex resumed>) = 0 [pid 7031] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 0 [pid 7025] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] exit_group(0 [pid 7035] <... setsockopt resumed>) = 0 [pid 7034] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7031] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... sendto resumed>) = 1 [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7035] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7032] <... futex resumed>) = ? [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] <... futex resumed>) = 0 [pid 7028] <... futex resumed>) = 0 [pid 7025] <... futex resumed>) = ? [pid 7024] <... exit_group resumed>) = ? [pid 7038] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7036] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7035] <... futex resumed>) = 1 [pid 7034] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7032] +++ exited with 0 +++ [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7025] +++ exited with 0 +++ [pid 7038] <... futex resumed>) = 0 [pid 7037] <... setsockopt resumed>) = 0 [pid 7036] <... setsockopt resumed>) = 0 [pid 7035] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] <... sendto resumed>) = 1 [pid 7033] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] +++ exited with 0 +++ [pid 7038] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7037] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7034] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... futex resumed>) = 0 [pid 7029] <... futex resumed>) = 0 [pid 7038] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7037] <... futex resumed>) = 1 [pid 7036] <... futex resumed>) = 1 [pid 7035] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7034] <... futex resumed>) = 1 [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7024, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7038] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7036] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] <... sendto resumed>) = 1 [pid 7034] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7031] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 7038] <... futex resumed>) = 0 [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7035] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7028] <... futex resumed>) = 0 [pid 3615] <... restart_syscall resumed>) = 0 [pid 7038] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7037] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7036] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7035] <... futex resumed>) = 1 [pid 7034] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7033] <... futex resumed>) = 0 [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] <... openat resumed>) = 4 [pid 7035] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7029] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7034] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... futex resumed>) = 0 [pid 7035] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7034] <... futex resumed>) = 1 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] <... futex resumed>) = 0 [pid 7035] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7034] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7033] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7028] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] write(4, "5", 1 [pid 7037] <... sendto resumed>) = 1 [pid 7036] <... sendto resumed>) = 1 [pid 7035] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7028] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7038] <... write resumed>) = 1 [pid 7037] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7035] <... futex resumed>) = 1 [pid 7034] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7029] <... futex resumed>) = 0 [pid 7028] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7037] <... futex resumed>) = 1 [pid 7036] <... futex resumed>) = 1 [pid 7035] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7034] <... openat resumed>) = 4 [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7029] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7039 attached [pid 7038] <... setsockopt resumed>) = 0 [pid 7037] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7036] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7034] write(4, "5", 1 [pid 7031] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7029] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7039 [pid 7039] set_robust_list(0x5555564f35e0, 24 [pid 7038] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7035] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7034] <... write resumed>) = 1 [pid 7031] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7029] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] <... openat resumed>) = 4 [pid 7034] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7035] write(4, "5", 1 [pid 7034] <... setsockopt resumed>) = 0 [pid 7035] <... write resumed>) = 1 [ 257.876871][ T7038] FAULT_INJECTION: forcing a failure. [ 257.876871][ T7038] name fail_futex, interval 1, probability 0, space 0, times 0 [ 257.878989][ T7034] FAULT_INJECTION: forcing a failure. [ 257.878989][ T7034] name fail_futex, interval 1, probability 0, space 0, times 0 [ 257.890387][ T7038] CPU: 1 PID: 7038 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 257.904414][ T7035] FAULT_INJECTION: forcing a failure. [ 257.904414][ T7035] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7034] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] <... set_robust_list resumed>) = 0 [pid 7037] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7036] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7035] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7035] <... setsockopt resumed>) = 0 [pid 7035] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7028] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7028] exit_group(0) = ? [pid 7029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7029] exit_group(0) = ? [pid 7039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7037] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7036] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7039] <... prctl resumed>) = 0 [pid 7037] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] setpgid(0, 0 [pid 7037] <... futex resumed>) = 1 [pid 7036] <... futex resumed>) = 0 [pid 7031] <... futex resumed>) = 0 [pid 7039] <... setpgid resumed>) = 0 [pid 7037] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7036] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7031] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7037] <... openat resumed>) = 4 [pid 7031] <... futex resumed>) = 0 [pid 7039] <... openat resumed>) = 3 [pid 7037] write(4, "5", 1 [pid 7031] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7039] write(3, "1000", 4 [pid 7037] <... write resumed>) = 1 [pid 7039] <... write resumed>) = 4 [pid 7037] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7039] close(3 [pid 7037] <... setsockopt resumed>) = 0 [ 257.912993][ T7038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 257.935826][ T7038] Call Trace: [ 257.939110][ T7038] [ 257.942046][ T7038] dump_stack_lvl+0xcd/0x134 [ 257.946657][ T7038] should_fail.cold+0x5/0xa [ 257.951184][ T7038] get_futex_key+0x5b2/0x1c50 [ 257.955889][ T7038] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 257.961903][ T7038] ? futex_setup_timer+0xf0/0xf0 [ 257.963613][ T7037] FAULT_INJECTION: forcing a failure. [pid 7039] <... close resumed>) = 0 [pid 7037] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7039] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7039] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7039] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7040], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7040 [pid 7039] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7039] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7030] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] <... futex resumed>) = 0 [pid 7030] <... futex resumed>) = 1 [pid 7036] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7030] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7036] <... openat resumed>) = 4 [pid 7036] write(4, "5", 1) = 1 [pid 7036] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7036] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7031] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7031] exit_group(0) = ? [ 257.963613][ T7037] name fail_futex, interval 1, probability 0, space 0, times 0 [ 257.966857][ T7038] futex_wake+0xe4/0x490 [ 257.966890][ T7038] ? futex_wake_mark+0x1a0/0x1a0 [ 257.966916][ T7038] ? ptrace_stop.part.0+0x5ec/0xa80 [ 257.994634][ T7038] ? do_raw_spin_lock+0x120/0x2a0 [ 257.999681][ T7038] ? rwlock_bug.part.0+0x90/0x90 [ 258.004636][ T7038] ? _raw_spin_lock_irq+0x41/0x50 [ 258.009699][ T7038] do_futex+0x266/0x300 [ 258.011671][ T7036] FAULT_INJECTION: forcing a failure. [ 258.011671][ T7036] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7039] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7039] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7039] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7041], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7041 [pid 7039] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7039] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7030] exit_group(0) = ? [ 258.013869][ T7038] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 258.013901][ T7038] ? find_held_lock+0x2d/0x110 [ 258.013936][ T7038] __x64_sys_futex+0x1b0/0x4a0 [ 258.013965][ T7038] ? do_futex+0x300/0x300 [ 258.013986][ T7038] ? _raw_spin_unlock_irq+0x1f/0x40 [ 258.014014][ T7038] ? lockdep_hardirqs_on+0x79/0x100 [ 258.056917][ T7038] ? _raw_spin_unlock_irq+0x2a/0x40 [ 258.062238][ T7038] ? ptrace_notify+0xfa/0x140 [ 258.067037][ T7038] do_syscall_64+0x35/0xb0 [ 258.071475][ T7038] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 7039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7039] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128067000 [pid 7039] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE) = 0 [ 258.077399][ T7038] RIP: 0033:0x7fc128117db9 [ 258.081828][ T7038] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 258.101457][ T7038] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 258.109900][ T7038] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 258.117893][ T7038] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7039] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7042], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 7042 [pid 7039] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7039] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7042 attached [pid 7042] set_robust_list(0x7fc1280879e0, 24) = 0 [pid 7042] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [pid 7042] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7039] <... futex resumed>) = 0 [pid 7042] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7039] <... futex resumed>) = 0 [pid 7042] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7039] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7042] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7039] <... futex resumed>) = 0 [pid 7039] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7042] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7039] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7042] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7039] <... futex resumed>) = 0 [pid 7042] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7039] <... futex resumed>) = 0 [pid 7033] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7042] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7039] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] exit_group(0 [pid 7042] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] <... exit_group resumed>) = ? [pid 7042] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7039] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7041 attached ./strace-static-x86_64: Process 7040 attached [pid 7042] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7039] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7039] <... futex resumed>) = 0 [pid 7042] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7039] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7042] <... openat resumed>) = 3 [pid 7041] set_robust_list(0x7fc1280a89e0, 24 [pid 7040] set_robust_list(0x7fc1280c99e0, 24 [pid 7038] <... futex resumed>) = ? [ 258.125882][ T7038] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 258.133874][ T7038] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 258.141863][ T7038] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 258.149887][ T7038] [ 258.159944][ T7034] CPU: 0 PID: 7034 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 258.170493][ T7034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 258.180558][ T7034] Call Trace: [ 258.183844][ T7034] [ 258.186783][ T7034] dump_stack_lvl+0xcd/0x134 [ 258.191399][ T7034] should_fail.cold+0x5/0xa [ 258.195923][ T7034] get_futex_key+0x5b2/0x1c50 [ 258.200615][ T7034] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 258.206610][ T7034] ? futex_setup_timer+0xf0/0xf0 [ 258.211568][ T7034] futex_wake+0xe4/0x490 [ 258.215827][ T7034] ? futex_wake_mark+0x1a0/0x1a0 [ 258.220784][ T7034] ? ptrace_stop.part.0+0x5ec/0xa80 [ 258.225996][ T7034] ? do_raw_spin_lock+0x120/0x2a0 [ 258.231034][ T7034] ? rwlock_bug.part.0+0x90/0x90 [ 258.235979][ T7034] ? _raw_spin_lock_irq+0x41/0x50 [ 258.241019][ T7034] do_futex+0x266/0x300 [ 258.245184][ T7034] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 258.251091][ T7034] ? find_held_lock+0x2d/0x110 [ 258.255872][ T7034] __x64_sys_futex+0x1b0/0x4a0 [ 258.260648][ T7034] ? do_futex+0x300/0x300 [ 258.264982][ T7034] ? _raw_spin_unlock_irq+0x1f/0x40 [ 258.270187][ T7034] ? lockdep_hardirqs_on+0x79/0x100 [ 258.275386][ T7034] ? _raw_spin_unlock_irq+0x2a/0x40 [ 258.280589][ T7034] ? ptrace_notify+0xfa/0x140 [ 258.285274][ T7034] do_syscall_64+0x35/0xb0 [ 258.289706][ T7034] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 258.295603][ T7034] RIP: 0033:0x7fc128117db9 [ 258.300020][ T7034] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 258.319627][ T7034] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 258.328055][ T7034] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 258.336024][ T7034] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 258.343999][ T7034] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 258.351970][ T7034] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 258.359962][ T7034] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 258.367946][ T7034] [ 258.370987][ T7036] CPU: 1 PID: 7036 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 258.381517][ T7036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 258.391661][ T7036] Call Trace: [ 258.394936][ T7036] [ 258.397867][ T7036] dump_stack_lvl+0xcd/0x134 [ 258.402467][ T7036] should_fail.cold+0x5/0xa [ 258.406976][ T7036] get_futex_key+0x5b2/0x1c50 [ 258.411654][ T7036] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 258.417638][ T7036] ? futex_setup_timer+0xf0/0xf0 [ 258.422583][ T7036] futex_wake+0xe4/0x490 [ 258.426829][ T7036] ? futex_wake_mark+0x1a0/0x1a0 [ 258.431770][ T7036] ? ptrace_stop.part.0+0x5ec/0xa80 [ 258.436972][ T7036] ? do_raw_spin_lock+0x120/0x2a0 [ 258.441998][ T7036] ? rwlock_bug.part.0+0x90/0x90 [ 258.446934][ T7036] ? _raw_spin_lock_irq+0x41/0x50 [ 258.452141][ T7036] do_futex+0x266/0x300 [ 258.456302][ T7036] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 258.462195][ T7036] ? find_held_lock+0x2d/0x110 [ 258.466968][ T7036] __x64_sys_futex+0x1b0/0x4a0 [ 258.471737][ T7036] ? do_futex+0x300/0x300 [ 258.476065][ T7036] ? _raw_spin_unlock_irq+0x1f/0x40 [ 258.481266][ T7036] ? lockdep_hardirqs_on+0x79/0x100 [ 258.486470][ T7036] ? _raw_spin_unlock_irq+0x2a/0x40 [ 258.491685][ T7036] ? ptrace_notify+0xfa/0x140 [ 258.496384][ T7036] do_syscall_64+0x35/0xb0 [ 258.500810][ T7036] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 258.506713][ T7036] RIP: 0033:0x7fc128117db9 [ 258.511141][ T7036] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 258.530755][ T7036] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 258.539177][ T7036] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 258.547146][ T7036] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 258.555115][ T7036] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 258.563085][ T7036] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 258.571053][ T7036] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 7042] write(3, "5", 1 [pid 7041] <... set_robust_list resumed>) = 0 [pid 7040] <... set_robust_list resumed>) = 0 [pid 7039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7038] +++ exited with 0 +++ [pid 7033] +++ exited with 0 +++ [pid 7042] <... write resumed>) = 1 [pid 7042] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 7042] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7042] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7041] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [ 258.579034][ T7036] [ 258.585155][ T7035] CPU: 1 PID: 7035 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 258.595698][ T7035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 258.606039][ T7035] Call Trace: [ 258.609333][ T7035] [ 258.612287][ T7035] dump_stack_lvl+0xcd/0x134 [ 258.616951][ T7035] should_fail.cold+0x5/0xa [ 258.621480][ T7035] get_futex_key+0x5b2/0x1c50 [ 258.626176][ T7035] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 258.632185][ T7035] ? futex_setup_timer+0xf0/0xf0 [ 258.637153][ T7035] futex_wake+0xe4/0x490 [ 258.641424][ T7035] ? futex_wake_mark+0x1a0/0x1a0 [ 258.646389][ T7035] ? ptrace_stop.part.0+0x5ec/0xa80 [ 258.651624][ T7035] ? do_raw_spin_lock+0x120/0x2a0 [ 258.656669][ T7035] ? rwlock_bug.part.0+0x90/0x90 [ 258.661624][ T7035] ? _raw_spin_lock_irq+0x41/0x50 [ 258.666686][ T7035] do_futex+0x266/0x300 [ 258.671038][ T7035] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 258.676943][ T7035] ? find_held_lock+0x2d/0x110 [ 258.681742][ T7035] __x64_sys_futex+0x1b0/0x4a0 [ 258.686523][ T7035] ? do_futex+0x300/0x300 [ 258.690865][ T7035] ? _raw_spin_unlock_irq+0x1f/0x40 [ 258.696094][ T7035] ? lockdep_hardirqs_on+0x79/0x100 [ 258.701311][ T7035] ? _raw_spin_unlock_irq+0x2a/0x40 [ 258.706534][ T7035] ? ptrace_notify+0xfa/0x140 [ 258.711237][ T7035] do_syscall_64+0x35/0xb0 [ 258.715672][ T7035] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 258.721579][ T7035] RIP: 0033:0x7fc128117db9 [ 258.726005][ T7035] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 258.745638][ T7035] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 258.750542][ T7042] FAULT_INJECTION: forcing a failure. [ 258.750542][ T7042] name fail_futex, interval 1, probability 0, space 0, times 0 [ 258.754053][ T7035] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 7040] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7041] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7040] <... socket resumed>) = 4 [pid 7039] exit_group(0 [pid 7042] <... futex resumed>) = ? [pid 7039] <... exit_group resumed>) = ? [ 258.754073][ T7035] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 258.782775][ T7035] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 258.790758][ T7035] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 258.798740][ T7035] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 258.806747][ T7035] [ 258.809780][ T7037] CPU: 0 PID: 7037 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 258.820311][ T7037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 258.830389][ T7037] Call Trace: [ 258.833688][ T7037] [ 258.836634][ T7037] dump_stack_lvl+0xcd/0x134 [ 258.841236][ T7037] should_fail.cold+0x5/0xa [ 258.845744][ T7037] get_futex_key+0x5b2/0x1c50 [ 258.850426][ T7037] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 258.856415][ T7037] ? futex_setup_timer+0xf0/0xf0 [ 258.861365][ T7037] futex_wake+0xe4/0x490 [ 258.865615][ T7037] ? futex_wake_mark+0x1a0/0x1a0 [ 258.870558][ T7037] ? ptrace_stop.part.0+0x5ec/0xa80 [ 258.875779][ T7037] ? do_raw_spin_lock+0x120/0x2a0 [ 258.880827][ T7037] ? rwlock_bug.part.0+0x90/0x90 [ 258.885768][ T7037] ? _raw_spin_lock_irq+0x41/0x50 [ 258.890887][ T7037] do_futex+0x266/0x300 [ 258.895049][ T7037] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 258.900945][ T7037] ? find_held_lock+0x2d/0x110 [ 258.905718][ T7037] __x64_sys_futex+0x1b0/0x4a0 [ 258.910490][ T7037] ? do_futex+0x300/0x300 [ 258.914823][ T7037] ? _raw_spin_unlock_irq+0x1f/0x40 [ 258.920033][ T7037] ? lockdep_hardirqs_on+0x79/0x100 [ 258.925236][ T7037] ? _raw_spin_unlock_irq+0x2a/0x40 [ 258.930434][ T7037] ? ptrace_notify+0xfa/0x140 [ 258.935116][ T7037] do_syscall_64+0x35/0xb0 [ 258.939534][ T7037] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 258.945434][ T7037] RIP: 0033:0x7fc128117db9 [ 258.949847][ T7037] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 258.969456][ T7037] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7035] <... futex resumed>) = ? [pid 7034] <... futex resumed>) = ? [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7033, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [ 258.977882][ T7037] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 258.985865][ T7037] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 258.993837][ T7037] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 259.001804][ T7037] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 259.009774][ T7037] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 259.017764][ T7037] [ 259.020842][ T7042] CPU: 1 PID: 7042 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7041] +++ exited with 0 +++ [pid 7040] +++ exited with 0 +++ [pid 7035] +++ exited with 0 +++ [pid 7034] +++ exited with 0 +++ [pid 7029] +++ exited with 0 +++ [pid 7028] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7028, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7029, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7043 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7044 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7045 [ 259.031371][ T7042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 259.041527][ T7042] Call Trace: [ 259.044815][ T7042] [ 259.047795][ T7042] dump_stack_lvl+0xcd/0x134 [ 259.052424][ T7042] should_fail.cold+0x5/0xa [ 259.056951][ T7042] get_futex_key+0x282/0x1c50 [ 259.061648][ T7042] ? __lock_acquire+0x163e/0x5660 [ 259.066698][ T7042] ? futex_setup_timer+0xf0/0xf0 [ 259.071669][ T7042] futex_wake+0xe4/0x490 [ 259.075943][ T7042] ? futex_wake_mark+0x1a0/0x1a0 ./strace-static-x86_64: Process 7044 attached [pid 7044] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7044] setpgid(0, 0) = 0 [pid 7044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7044] write(3, "1000", 4) = 4 [pid 7044] close(3) = 0 [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7044] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7044] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7046], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7046 [pid 7044] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7046 attached [pid 7046] set_robust_list(0x7fc1280c99e0, 24) = 0 [ 259.080914][ T7042] ? find_held_lock+0x2d/0x110 [ 259.085715][ T7042] do_futex+0x266/0x300 [ 259.089894][ T7042] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 259.095817][ T7042] mm_release+0x235/0x2c0 [ 259.100172][ T7042] do_exit+0x8a0/0x29d0 [ 259.104359][ T7042] ? find_held_lock+0x2d/0x110 [ 259.109159][ T7042] ? mm_update_next_owner+0x7a0/0x7a0 [ 259.114565][ T7042] ? lock_downgrade+0x6e0/0x6e0 [ 259.119452][ T7042] do_group_exit+0xd2/0x2f0 [ 259.123989][ T7042] get_signal+0x2542/0x2600 [pid 7046] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7046] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7046] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7044] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7044] <... futex resumed>) = 0 [pid 7046] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] <... setsockopt resumed>) = 0 [pid 7046] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7046] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7044] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7044] <... futex resumed>) = 0 [pid 7046] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] <... setsockopt resumed>) = 0 [pid 7046] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7046] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7044] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7044] <... futex resumed>) = 0 [pid 7046] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] <... setsockopt resumed>) = 0 [pid 7046] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7046] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7044] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7044] <... futex resumed>) = 0 [pid 7046] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] <... sendto resumed>) = 1 [pid 7046] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7046] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 259.128530][ T7042] ? exit_signals+0x8b0/0x8b0 [ 259.133223][ T7042] ? userns_owner+0x40/0x40 [ 259.137748][ T7042] ? __task_pid_nr_ns+0x168/0x4b0 [ 259.142802][ T7042] ? lock_downgrade+0x6e0/0x6e0 [ 259.147683][ T7042] arch_do_signal_or_restart+0x82/0x2300 [ 259.153353][ T7042] ? from_kuid_munged+0xa2/0x130 [ 259.158328][ T7042] ? find_held_lock+0x2d/0x110 [ 259.163123][ T7042] ? get_sigframe_size+0x10/0x10 [ 259.168091][ T7042] ? ptrace_notify+0xfa/0x140 [ 259.172787][ T7042] ? lock_downgrade+0x6e0/0x6e0 [ 259.177669][ T7042] ? send_sig+0xfe/0x160 [pid 7044] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7044] <... futex resumed>) = 0 [pid 7046] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] <... sendto resumed>) = 1 [pid 7046] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7046] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7044] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7044] <... futex resumed>) = 0 [pid 7046] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7044] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7046] <... openat resumed>) = 4 [pid 7046] write(4, "5", 1) = 1 [pid 7046] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7046] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7044] <... futex resumed>) = 0 [pid 7046] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7044] exit_group(0 [pid 7046] <... futex resumed>) = ? [pid 7044] <... exit_group resumed>) = ? [pid 7046] +++ exited with 0 +++ [pid 7044] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7044, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7047 ./strace-static-x86_64: Process 7047 attached [pid 7047] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7047] setpgid(0, 0) = 0 [ 259.181940][ T7042] ? send_sig_info+0x140/0x140 [ 259.186729][ T7042] ? exit_to_user_mode_prepare+0x137/0x250 [ 259.192566][ T7042] exit_to_user_mode_prepare+0x15f/0x250 [ 259.198232][ T7042] syscall_exit_to_user_mode+0x19/0x50 [ 259.203716][ T7042] do_syscall_64+0x42/0xb0 [ 259.208155][ T7042] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 259.214085][ T7042] RIP: 0033:0x7fc128117db9 [pid 7047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7047] write(3, "1000", 4) = 4 [pid 7047] close(3) = 0 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7047] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7047] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7048], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7048 [pid 7047] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7048 attached [pid 7048] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7048] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7048] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7047] <... futex resumed>) = 0 [pid 7048] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7047] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7047] <... futex resumed>) = 0 [pid 7048] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7048] <... setsockopt resumed>) = 0 [pid 7048] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7047] <... futex resumed>) = 0 [pid 7048] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 259.218523][ T7042] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 259.239024][ T7042] RSP: 002b:00007fc1280872e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 259.247462][ T7042] RAX: fffffffffffffe00 RBX: 00007fc1281a04c0 RCX: 00007fc128117db9 [ 259.255456][ T7042] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04c8 [ 259.263449][ T7042] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 259.271438][ T7042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280872f0 [pid 7047] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7047] <... futex resumed>) = 0 [pid 7048] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7048] <... setsockopt resumed>) = 0 [pid 7048] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7047] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7045 attached ./strace-static-x86_64: Process 7043 attached [pid 7048] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7047] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] +++ exited with 0 +++ [pid 7039] +++ exited with 0 +++ [pid 7037] <... futex resumed>) = ? [pid 7036] <... futex resumed>) = ? [pid 7048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7047] <... futex resumed>) = 0 [pid 7045] set_robust_list(0x5555564f35e0, 24 [pid 7043] set_robust_list(0x5555564f35e0, 24 [pid 7036] +++ exited with 0 +++ [pid 7030] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7039, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 7048] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... set_robust_list resumed>) = 0 [pid 7043] <... set_robust_list resumed>) = 0 [pid 7048] <... setsockopt resumed>) = 0 [pid 7045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7048] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... prctl resumed>) = 0 [pid 7043] <... prctl resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7030, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 7048] <... futex resumed>) = 1 [pid 7047] <... futex resumed>) = 0 [pid 7045] setpgid(0, 0 [pid 7043] setpgid(0, 0 [pid 7037] +++ exited with 0 +++ [pid 7031] +++ exited with 0 +++ [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7048] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7047] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... setpgid resumed>) = 0 [pid 7043] <... setpgid resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7045] <... openat resumed>) = 3 [pid 7043] <... openat resumed>) = 3 [pid 7048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] write(3, "1000", 4 [pid 7047] <... futex resumed>) = 0 [pid 7043] write(3, "1000", 4 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7031, si_uid=0, si_status=0, si_utime=0, si_stime=36} --- [pid 7045] <... write resumed>) = 4 [pid 7043] <... write resumed>) = 4 [pid 7045] close(3 [pid 7043] close(3 [pid 7048] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... close resumed>) = 0 [pid 7043] <... close resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7049 attached [pid 7045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7049] set_robust_list(0x5555564f35e0, 24 [pid 7045] <... mmap resumed>) = 0x7fc1280a9000 [pid 7043] <... mmap resumed>) = 0x7fc1280a9000 [pid 7049] <... set_robust_list resumed>) = 0 [pid 7045] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7043] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7045] <... mprotect resumed>) = 0 [pid 7043] <... mprotect resumed>) = 0 [pid 7049] <... prctl resumed>) = 0 [pid 7045] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7043] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7049] setpgid(0, 0) = 0 [pid 7045] <... clone resumed>, parent_tid=[7051], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7051 [pid 7043] <... clone resumed>, parent_tid=[7052], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7052 [pid 7049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7045] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7049 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7050 [pid 3611] <... restart_syscall resumed>) = 0 [pid 7049] <... openat resumed>) = 3 [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7049] write(3, "1000", 4 [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7049] <... write resumed>) = 4 [pid 7049] close(3 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7049] <... close resumed>) = 0 [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7049] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7049] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7053 [pid 7048] <... sendto resumed>) = 1 ./strace-static-x86_64: Process 7052 attached [pid 7049] <... clone resumed>, parent_tid=[7054], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7054 [pid 7052] set_robust_list(0x7fc1280c99e0, 24 [pid 7049] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... set_robust_list resumed>) = 0 [pid 7049] <... futex resumed>) = 0 [pid 7052] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7048] <... futex resumed>) = 1 [pid 7047] <... futex resumed>) = 0 [pid 7052] <... socket resumed>) = 3 [pid 7047] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7047] <... futex resumed>) = 0 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7054 attached [pid 7052] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] set_robust_list(0x7fc1280c99e0, 24 [pid 7052] <... futex resumed>) = 1 [pid 7048] <... sendto resumed>) = 1 [pid 7043] <... futex resumed>) = 0 [pid 7054] <... set_robust_list resumed>) = 0 [pid 7052] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7043] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7048] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] <... futex resumed>) = 0 [pid 7054] <... socket resumed>) = 3 [pid 7052] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7047] <... futex resumed>) = 0 [pid 7048] <... futex resumed>) = 1 [pid 7054] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... setsockopt resumed>) = 0 [pid 7047] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7054] <... futex resumed>) = 1 [pid 7052] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] <... futex resumed>) = 0 [pid 7047] <... futex resumed>) = 0 [pid 7054] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] <... futex resumed>) = 1 [pid 7049] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] <... openat resumed>) = 4 [pid 7047] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7049] <... futex resumed>) = 0 [pid 7043] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] <... futex resumed>) = 0 [pid 7054] <... setsockopt resumed>) = 0 [pid 7052] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7054] <... futex resumed>) = 1 [pid 7052] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] <... futex resumed>) = 0 [pid 7048] write(4, "5", 1 [pid 7054] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] <... futex resumed>) = 1 [pid 7049] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] <... write resumed>) = 1 [pid 7043] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7049] <... futex resumed>) = 0 [pid 7048] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7043] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7053 attached ./strace-static-x86_64: Process 7050 attached [pid 7054] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7048] <... setsockopt resumed>) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7054] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7052] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7048] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... setsockopt resumed>) = 0 [pid 7050] set_robust_list(0x5555564f35e0, 24 [pid 7047] <... futex resumed>) = 0 [pid 7048] <... futex resumed>) = 1 [pid 7054] <... futex resumed>) = 1 [pid 7053] set_robust_list(0x5555564f35e0, 24 [pid 7052] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] <... futex resumed>) = 0 [pid 7047] exit_group(0 [pid 7054] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7052] <... futex resumed>) = 1 [pid 7050] <... set_robust_list resumed>) = 0 [pid 7049] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7047] <... exit_group resumed>) = ? [pid 7053] <... set_robust_list resumed>) = 0 [pid 7043] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7051 attached [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7052] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7049] <... futex resumed>) = 0 [pid 7048] +++ exited with 0 +++ [pid 7043] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7051] set_robust_list(0x7fc1280c99e0, 24 [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] <... futex resumed>) = 0 [pid 7054] <... setsockopt resumed>) = 0 [pid 7052] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7051] <... set_robust_list resumed>) = 0 [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7052] <... sendto resumed>) = 1 [pid 7051] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7047] +++ exited with 0 +++ [pid 7054] <... futex resumed>) = 1 [pid 7053] <... prctl resumed>) = 0 [pid 7052] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... prctl resumed>) = 0 [pid 7049] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7054] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7053] setpgid(0, 0 [pid 7052] <... futex resumed>) = 1 [pid 7051] <... socket resumed>) = 3 [pid 7050] setpgid(0, 0 [ 259.279429][ T7042] R13: 00007fc1281a04c8 R14: 0100000000000000 R15: 0000000000000001 [ 259.287445][ T7042] [pid 7049] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... setpgid resumed>) = 0 [pid 7052] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7051] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... setpgid resumed>) = 0 [pid 7049] <... futex resumed>) = 0 [pid 7043] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7051] <... futex resumed>) = 1 [pid 7050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7054] <... sendto resumed>) = 1 [pid 7053] <... openat resumed>) = 3 [pid 7052] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7051] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7050] <... openat resumed>) = 3 [pid 7045] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] write(3, "1000", 4 [pid 7052] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] write(3, "1000", 4 [pid 7045] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = 1 [pid 7053] <... write resumed>) = 4 [pid 7052] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7050] <... write resumed>) = 4 [pid 7049] <... futex resumed>) = 0 [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7054] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7053] close(3 [pid 7052] <... futex resumed>) = 1 [pid 7051] <... setsockopt resumed>) = 0 [pid 7050] close(3 [pid 7049] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... close resumed>) = 0 [pid 7052] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7051] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... close resumed>) = 0 [pid 7049] <... futex resumed>) = 0 [pid 7043] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7054] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7051] <... futex resumed>) = 1 [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7054] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7053] <... futex resumed>) = 0 [pid 7052] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7051] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7050] <... futex resumed>) = 0 [pid 7045] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7043] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7055 ./strace-static-x86_64: Process 7055 attached [pid 7054] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7052] <... openat resumed>) = 4 [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7045] <... futex resumed>) = 0 [pid 7055] set_robust_list(0x5555564f35e0, 24 [pid 7054] <... futex resumed>) = 1 [pid 7053] <... mmap resumed>) = 0x7fc1280a9000 [pid 7052] write(4, "5", 1 [pid 7051] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7050] <... mmap resumed>) = 0x7fc1280a9000 [pid 7049] <... futex resumed>) = 0 [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7055] <... set_robust_list resumed>) = 0 [pid 7054] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7053] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7052] <... write resumed>) = 1 [pid 7051] <... setsockopt resumed>) = 0 [pid 7050] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7049] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... mprotect resumed>) = 0 [pid 7052] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7051] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... mprotect resumed>) = 0 [pid 7049] <... futex resumed>) = 0 [pid 7055] <... prctl resumed>) = 0 [pid 7054] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7053] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7052] <... setsockopt resumed>) = 0 [pid 7051] <... futex resumed>) = 1 [pid 7050] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7049] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... futex resumed>) = 0 [pid 7055] setpgid(0, 0 [pid 7054] <... openat resumed>) = 4 [pid 7052] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7045] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7056 attached [pid 7055] <... setpgid resumed>) = 0 [pid 7054] write(4, "5", 1 [pid 7053] <... clone resumed>, parent_tid=[7056], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7056 [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] <... clone resumed>, parent_tid=[7057], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7057 [pid 7045] <... futex resumed>) = 0 [pid 7056] set_robust_list(0x7fc1280c99e0, 24 [pid 7055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7054] <... write resumed>) = 1 [pid 7053] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7050] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7056] <... set_robust_list resumed>) = 0 [pid 7055] <... openat resumed>) = 3 [pid 7054] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7053] <... futex resumed>) = 0 [pid 7051] <... setsockopt resumed>) = 0 [pid 7050] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7057 attached [pid 7056] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7055] write(3, "1000", 4 [pid 7054] <... setsockopt resumed>) = 0 [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7057] set_robust_list(0x7fc1280c99e0, 24 [pid 7056] <... socket resumed>) = 3 [pid 7055] <... write resumed>) = 4 [pid 7054] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... futex resumed>) = 1 [pid 7045] <... futex resumed>) = 0 [pid 7057] <... set_robust_list resumed>) = 0 [pid 7056] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] close(3 [pid 7051] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7045] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7056] <... futex resumed>) = 1 [pid 7055] <... close resumed>) = 0 [pid 7053] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] <... futex resumed>) = 0 [pid 7043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7057] <... socket resumed>) = 3 [pid 7056] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [ 259.378259][ T7052] FAULT_INJECTION: forcing a failure. [ 259.378259][ T7052] name fail_futex, interval 1, probability 0, space 0, times 0 [ 259.400448][ T7054] FAULT_INJECTION: forcing a failure. [ 259.400448][ T7054] name fail_futex, interval 1, probability 0, space 0, times 0 [ 259.425550][ T7052] CPU: 1 PID: 7052 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 259.436104][ T7052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 259.446172][ T7052] Call Trace: [ 259.449467][ T7052] [ 259.452434][ T7052] dump_stack_lvl+0xcd/0x134 [ 259.457048][ T7052] should_fail.cold+0x5/0xa [ 259.461580][ T7052] get_futex_key+0x5b2/0x1c50 [ 259.466276][ T7052] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 259.472279][ T7052] ? futex_setup_timer+0xf0/0xf0 [ 259.477244][ T7052] futex_wake+0xe4/0x490 [ 259.481514][ T7052] ? futex_wake_mark+0x1a0/0x1a0 [ 259.486477][ T7052] ? ptrace_stop.part.0+0x5ec/0xa80 [ 259.491697][ T7052] ? do_raw_spin_lock+0x120/0x2a0 [ 259.496741][ T7052] ? rwlock_bug.part.0+0x90/0x90 [ 259.501683][ T7052] ? _raw_spin_lock_irq+0x41/0x50 [ 259.506736][ T7052] do_futex+0x266/0x300 [ 259.510916][ T7052] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 259.516829][ T7052] ? find_held_lock+0x2d/0x110 [ 259.521615][ T7052] __x64_sys_futex+0x1b0/0x4a0 [ 259.526395][ T7052] ? do_futex+0x300/0x300 [ 259.530740][ T7052] ? _raw_spin_unlock_irq+0x1f/0x40 [ 259.535962][ T7052] ? lockdep_hardirqs_on+0x79/0x100 [ 259.541173][ T7052] ? _raw_spin_unlock_irq+0x2a/0x40 [ 259.546388][ T7052] ? ptrace_notify+0xfa/0x140 [ 259.551103][ T7052] do_syscall_64+0x35/0xb0 [ 259.555545][ T7052] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 259.561452][ T7052] RIP: 0033:0x7fc128117db9 [ 259.565876][ T7052] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 259.585501][ T7052] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 259.593930][ T7052] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 259.601911][ T7052] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 259.609888][ T7052] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 259.617868][ T7052] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 259.625849][ T7052] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 259.633855][ T7052] [ 259.636882][ T7054] CPU: 0 PID: 7054 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 259.647410][ T7054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 259.657465][ T7054] Call Trace: [ 259.660741][ T7054] [ 259.663693][ T7054] dump_stack_lvl+0xcd/0x134 [ 259.668298][ T7054] should_fail.cold+0x5/0xa [ 259.672809][ T7054] get_futex_key+0x5b2/0x1c50 [ 259.677489][ T7054] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 259.683472][ T7054] ? futex_setup_timer+0xf0/0xf0 [ 259.688419][ T7054] futex_wake+0xe4/0x490 [ 259.692665][ T7054] ? futex_wake_mark+0x1a0/0x1a0 [ 259.697602][ T7054] ? ptrace_stop.part.0+0x5ec/0xa80 [ 259.702808][ T7054] ? do_raw_spin_lock+0x120/0x2a0 [ 259.707838][ T7054] ? rwlock_bug.part.0+0x90/0x90 [ 259.712775][ T7054] ? _raw_spin_lock_irq+0x41/0x50 [ 259.717812][ T7054] do_futex+0x266/0x300 [ 259.721975][ T7054] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 259.727883][ T7054] ? find_held_lock+0x2d/0x110 [ 259.732657][ T7054] __x64_sys_futex+0x1b0/0x4a0 [ 259.737427][ T7054] ? do_futex+0x300/0x300 [ 259.741758][ T7054] ? _raw_spin_unlock_irq+0x1f/0x40 [ 259.746961][ T7054] ? lockdep_hardirqs_on+0x79/0x100 [ 259.752163][ T7054] ? _raw_spin_unlock_irq+0x2a/0x40 [ 259.757383][ T7054] ? ptrace_notify+0xfa/0x140 [ 259.762078][ T7054] do_syscall_64+0x35/0xb0 [ 259.766502][ T7054] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 259.772400][ T7054] RIP: 0033:0x7fc128117db9 [ 259.776820][ T7054] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 259.796430][ T7054] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 259.804861][ T7054] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 259.812873][ T7054] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 259.820853][ T7054] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7051] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7043] exit_group(0 [pid 7057] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7055] <... futex resumed>) = 0 [pid 7053] <... futex resumed>) = 0 [pid 7052] <... futex resumed>) = ? [pid 7051] <... sendto resumed>) = 1 [pid 7050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7043] <... exit_group resumed>) = ? [pid 7057] <... futex resumed>) = 0 [pid 7056] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7052] +++ exited with 0 +++ [pid 7051] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] exit_group(0 [pid 7043] +++ exited with 0 +++ [pid 7057] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7056] <... setsockopt resumed>) = 0 [pid 7055] <... mmap resumed>) = 0x7fc1280a9000 [pid 7051] <... futex resumed>) = 1 [pid 7050] <... futex resumed>) = 0 [pid 7049] <... exit_group resumed>) = ? [pid 7045] <... futex resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7043, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7057] <... setsockopt resumed>) = 0 [pid 7056] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7051] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... futex resumed>) = 1 [pid 7055] <... mprotect resumed>) = 0 [pid 7053] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] <... futex resumed>) = 0 [pid 7057] <... futex resumed>) = 0 [pid 7056] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7053] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7050] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7057] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... futex resumed>) = 0 [pid 7051] <... sendto resumed>) = 1 [pid 7050] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7057] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7056] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7055] <... clone resumed>, parent_tid=[7058], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7058 [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7057] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7055] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... futex resumed>) = 1 [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7058 attached [pid 7057] <... futex resumed>) = 0 [pid 7056] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = 0 [pid 7051] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7050] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7059 ./strace-static-x86_64: Process 7059 attached [pid 7058] set_robust_list(0x7fc1280c99e0, 24 [pid 7057] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7056] <... futex resumed>) = 1 [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] <... futex resumed>) = 0 [pid 7045] <... futex resumed>) = 0 [pid 7059] set_robust_list(0x5555564f35e0, 24 [pid 7058] <... set_robust_list resumed>) = 0 [pid 7057] <... setsockopt resumed>) = 0 [pid 7056] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7053] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7059] <... set_robust_list resumed>) = 0 [pid 7058] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7057] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... futex resumed>) = 0 [pid 7051] <... openat resumed>) = 4 [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7058] <... socket resumed>) = 3 [pid 7057] <... futex resumed>) = 0 [pid 7056] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] write(4, "5", 1 [pid 7050] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] <... prctl resumed>) = 0 [pid 7058] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7056] <... setsockopt resumed>) = 0 [pid 7051] <... write resumed>) = 1 [ 259.828829][ T7054] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 259.836801][ T7054] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 259.844795][ T7054] [pid 7050] <... futex resumed>) = 0 [pid 7059] setpgid(0, 0 [pid 7058] <... futex resumed>) = 1 [pid 7057] <... sendto resumed>) = 1 [pid 7056] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = 0 [pid 7051] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7059] <... setpgid resumed>) = 0 [pid 7058] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... futex resumed>) = 1 [pid 7055] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] <... futex resumed>) = 0 [pid 7051] <... setsockopt resumed>) = 0 [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... futex resumed>) = 0 [pid 7056] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] <... futex resumed>) = 0 [pid 7053] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] <... openat resumed>) = 3 [pid 7058] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7057] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] <... futex resumed>) = 0 [pid 7051] <... futex resumed>) = 1 [pid 7050] <... futex resumed>) = 0 [pid 7045] <... futex resumed>) = 0 [pid 7059] write(3, "1000", 4 [pid 7058] <... setsockopt resumed>) = 0 [pid 7057] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7056] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7051] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] exit_group(0 [pid 7059] <... write resumed>) = 4 [pid 7058] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] <... futex resumed>) = ? [pid 7045] <... exit_group resumed>) = ? [pid 7059] close(3 [pid 7058] <... futex resumed>) = 1 [pid 7057] <... futex resumed>) = 0 [pid 7056] <... sendto resumed>) = 1 [pid 7055] <... futex resumed>) = 0 [pid 7051] +++ exited with 0 +++ [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] +++ exited with 0 +++ [pid 7059] <... close resumed>) = 0 [pid 7058] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7056] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7056] <... futex resumed>) = 1 [pid 7055] <... futex resumed>) = 0 [pid 7053] <... futex resumed>) = 0 [pid 7050] <... futex resumed>) = 0 [pid 7059] <... futex resumed>) = 0 [pid 7058] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7057] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7056] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7045, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7058] <... setsockopt resumed>) = 0 [pid 7057] <... openat resumed>) = 4 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7059] <... mmap resumed>) = 0x7fc1280a9000 [pid 7058] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] write(4, "5", 1 [pid 7056] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7059] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7058] <... futex resumed>) = 1 [pid 7057] <... write resumed>) = 1 [pid 7056] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7055] <... futex resumed>) = 0 [pid 7059] <... mprotect resumed>) = 0 [pid 7058] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7056] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7060 [pid 7059] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] <... setsockopt resumed>) = 0 [pid 7056] <... futex resumed>) = 1 [pid 7055] <... futex resumed>) = 0 [pid 7053] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7060 attached [pid 7058] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7057] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7053] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] set_robust_list(0x5555564f35e0, 24 [pid 7059] <... clone resumed>, parent_tid=[7061], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7061 [pid 7058] <... setsockopt resumed>) = 0 [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... futex resumed>) = 0 [pid 7060] <... set_robust_list resumed>) = 0 [pid 7059] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7053] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7061 attached [pid 7060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7059] <... futex resumed>) = 0 [pid 7058] <... futex resumed>) = 1 [pid 7055] <... futex resumed>) = 0 [pid 7061] set_robust_list(0x7fc1280c99e0, 24 [pid 7060] <... prctl resumed>) = 0 [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7058] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7056] <... openat resumed>) = 4 [pid 7055] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... set_robust_list resumed>) = 0 [pid 7060] setpgid(0, 0 [pid 7058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7056] write(4, "5", 1 [pid 7055] <... futex resumed>) = 0 [pid 7061] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7060] <... setpgid resumed>) = 0 [pid 7058] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7056] <... write resumed>) = 1 [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... socket resumed>) = 3 [pid 7060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7061] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7061] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 7061] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... setsockopt resumed>) = 0 [pid 7061] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7061] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7060] <... openat resumed>) = 3 [pid 7059] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... sendto resumed>) = 1 [pid 7056] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7060] write(3, "1000", 4 [pid 7059] <... futex resumed>) = 0 [pid 7058] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] <... setsockopt resumed>) = 0 [pid 7061] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7060] <... write resumed>) = 4 [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7056] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] <... futex resumed>) = 0 [pid 7058] <... futex resumed>) = 1 [pid 7061] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7060] close(3 [pid 7061] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7061] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 7061] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... setsockopt resumed>) = 0 [pid 7061] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7061] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [ 259.925950][ T7057] FAULT_INJECTION: forcing a failure. [ 259.925950][ T7057] name fail_futex, interval 1, probability 0, space 0, times 0 [ 259.959165][ T7056] FAULT_INJECTION: forcing a failure. [ 259.959165][ T7056] name fail_futex, interval 1, probability 0, space 0, times 0 [ 259.965748][ T7057] CPU: 1 PID: 7057 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 259.982508][ T7057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 259.992576][ T7057] Call Trace: [ 259.995865][ T7057] [ 259.998811][ T7057] dump_stack_lvl+0xcd/0x134 [ 260.003425][ T7057] should_fail.cold+0x5/0xa [ 260.007948][ T7057] get_futex_key+0x5b2/0x1c50 [ 260.012637][ T7057] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 260.018639][ T7057] ? futex_setup_timer+0xf0/0xf0 [ 260.023608][ T7057] futex_wake+0xe4/0x490 [ 260.027871][ T7057] ? futex_wake_mark+0x1a0/0x1a0 [ 260.032820][ T7057] ? ptrace_stop.part.0+0x5ec/0xa80 [ 260.038041][ T7057] ? do_raw_spin_lock+0x120/0x2a0 [ 260.043089][ T7057] ? rwlock_bug.part.0+0x90/0x90 [ 260.048041][ T7057] ? _raw_spin_lock_irq+0x41/0x50 [ 260.053080][ T7057] do_futex+0x266/0x300 [ 260.057251][ T7057] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 260.063163][ T7057] ? find_held_lock+0x2d/0x110 [ 260.067955][ T7057] __x64_sys_futex+0x1b0/0x4a0 [ 260.072732][ T7057] ? do_futex+0x300/0x300 [ 260.077068][ T7057] ? _raw_spin_unlock_irq+0x1f/0x40 [ 260.082285][ T7057] ? lockdep_hardirqs_on+0x79/0x100 [ 260.087520][ T7057] ? _raw_spin_unlock_irq+0x2a/0x40 [ 260.092727][ T7057] ? ptrace_notify+0xfa/0x140 [ 260.097421][ T7057] do_syscall_64+0x35/0xb0 [ 260.101854][ T7057] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 260.107768][ T7057] RIP: 0033:0x7fc128117db9 [ 260.112191][ T7057] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 260.131844][ T7057] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 260.140297][ T7057] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 260.148286][ T7057] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 260.156264][ T7057] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 260.164247][ T7057] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7061] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... sendto resumed>) = 1 [pid 7060] <... close resumed>) = 0 [pid 7058] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7055] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7050] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7061] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7061] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 7061] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7061] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7059] <... futex resumed>) = 0 [pid 7061] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7059] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7059] <... futex resumed>) = 0 [pid 7061] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7059] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... openat resumed>) = 4 [pid 7061] write(4, "5", 1) = 1 [ 260.172229][ T7057] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 260.180224][ T7057] [ 260.183246][ T7056] CPU: 0 PID: 7056 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 260.193775][ T7056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 260.195574][ T7061] FAULT_INJECTION: forcing a failure. [ 260.195574][ T7061] name fail_futex, interval 1, probability 0, space 0, times 0 [ 260.203830][ T7056] Call Trace: [ 260.203840][ T7056] [ 260.203850][ T7056] dump_stack_lvl+0xcd/0x134 [pid 7061] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7061] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 260.227393][ T7056] should_fail.cold+0x5/0xa [ 260.231920][ T7056] get_futex_key+0x5b2/0x1c50 [ 260.236609][ T7056] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 260.242605][ T7056] ? futex_setup_timer+0xf0/0xf0 [ 260.247599][ T7056] futex_wake+0xe4/0x490 [ 260.251869][ T7056] ? futex_wake_mark+0x1a0/0x1a0 [ 260.256826][ T7056] ? ptrace_stop.part.0+0x5ec/0xa80 [ 260.262037][ T7056] ? do_raw_spin_lock+0x120/0x2a0 [ 260.267089][ T7056] ? rwlock_bug.part.0+0x90/0x90 [ 260.272049][ T7056] ? _raw_spin_lock_irq+0x41/0x50 [ 260.277091][ T7056] do_futex+0x266/0x300 [ 260.281262][ T7056] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 260.287170][ T7056] ? find_held_lock+0x2d/0x110 [ 260.291996][ T7056] __x64_sys_futex+0x1b0/0x4a0 [ 260.296781][ T7056] ? do_futex+0x300/0x300 [ 260.301123][ T7056] ? _raw_spin_unlock_irq+0x1f/0x40 [ 260.306332][ T7056] ? lockdep_hardirqs_on+0x79/0x100 [ 260.311540][ T7056] ? _raw_spin_unlock_irq+0x2a/0x40 [ 260.316749][ T7056] ? ptrace_notify+0xfa/0x140 [ 260.321452][ T7056] do_syscall_64+0x35/0xb0 [ 260.325902][ T7056] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 260.331820][ T7056] RIP: 0033:0x7fc128117db9 [ 260.336255][ T7056] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 260.355880][ T7056] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 260.364408][ T7056] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 7059] exit_group(0) = ? [ 260.372391][ T7056] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 260.380372][ T7056] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 260.388349][ T7056] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 260.396329][ T7056] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 260.404333][ T7056] [ 260.407357][ T7061] CPU: 1 PID: 7061 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 260.417880][ T7061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 260.427940][ T7061] Call Trace: [ 260.431222][ T7061] [ 260.434153][ T7061] dump_stack_lvl+0xcd/0x134 [ 260.438752][ T7061] should_fail.cold+0x5/0xa [ 260.443261][ T7061] get_futex_key+0x5b2/0x1c50 [ 260.447957][ T7061] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 260.453945][ T7061] ? futex_setup_timer+0xf0/0xf0 [ 260.458890][ T7061] futex_wake+0xe4/0x490 [ 260.463138][ T7061] ? futex_wake_mark+0x1a0/0x1a0 [ 260.468078][ T7061] ? ptrace_stop.part.0+0x5ec/0xa80 [ 260.473279][ T7061] ? do_raw_spin_lock+0x120/0x2a0 [ 260.478305][ T7061] ? rwlock_bug.part.0+0x90/0x90 [ 260.483250][ T7061] ? _raw_spin_lock_irq+0x41/0x50 [ 260.488283][ T7061] do_futex+0x266/0x300 [ 260.492444][ T7061] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 260.498340][ T7061] ? find_held_lock+0x2d/0x110 [ 260.503123][ T7061] __x64_sys_futex+0x1b0/0x4a0 [ 260.507908][ T7061] ? do_futex+0x300/0x300 [ 260.512236][ T7061] ? _raw_spin_unlock_irq+0x1f/0x40 [ 260.517441][ T7061] ? lockdep_hardirqs_on+0x79/0x100 [ 260.522644][ T7061] ? _raw_spin_unlock_irq+0x2a/0x40 [ 260.527854][ T7061] ? ptrace_notify+0xfa/0x140 [ 260.532537][ T7061] do_syscall_64+0x35/0xb0 [ 260.536954][ T7061] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 260.542854][ T7061] RIP: 0033:0x7fc128117db9 [ 260.547268][ T7061] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 260.566893][ T7061] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... sendto resumed>) = 1 [pid 7056] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7055] <... futex resumed>) = 0 [pid 7054] <... futex resumed>) = ? [pid 7053] exit_group(0 [pid 7050] exit_group(0 [pid 7060] <... futex resumed>) = 0 [pid 7058] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7057] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7057] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7061] <... futex resumed>) = ? [pid 7057] <... futex resumed>) = ? [pid 7054] +++ exited with 0 +++ [pid 7060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7058] <... futex resumed>) = 0 [pid 7056] <... futex resumed>) = ? [pid 7055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... exit_group resumed>) = ? [pid 7050] <... exit_group resumed>) = ? [pid 7049] +++ exited with 0 +++ [pid 7057] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7049, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7058] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7050] +++ exited with 0 +++ [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7062 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7050, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7060] <... mmap resumed>) = 0x7fc1280a9000 [pid 7056] +++ exited with 0 +++ [pid 7058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7055] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] +++ exited with 0 +++ [pid 7060] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7058] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7055] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7060] <... mprotect resumed>) = 0 [pid 7058] <... openat resumed>) = 4 [pid 7055] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7053, si_uid=0, si_status=0, si_utime=0, si_stime=37} --- [pid 7060] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7058] write(4, "5", 1 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7063 [pid 7061] +++ exited with 0 +++ [pid 7059] +++ exited with 0 +++ [pid 7058] <... write resumed>) = 1 ./strace-static-x86_64: Process 7064 attached ./strace-static-x86_64: Process 7063 attached ./strace-static-x86_64: Process 7062 attached [pid 7060] <... clone resumed>, parent_tid=[7064], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7064 [pid 7058] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7059, si_uid=0, si_status=0, si_utime=0, si_stime=34} --- [pid 7064] set_robust_list(0x7fc1280c99e0, 24 [pid 7063] set_robust_list(0x5555564f35e0, 24 [pid 7062] set_robust_list(0x5555564f35e0, 24 [pid 7060] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7058] <... setsockopt resumed>) = 0 [pid 7064] <... set_robust_list resumed>) = 0 [pid 7063] <... set_robust_list resumed>) = 0 [pid 7062] <... set_robust_list resumed>) = 0 [pid 7060] <... futex resumed>) = 0 [pid 7058] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7065 attached [pid 7064] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7058] <... futex resumed>) = 1 [pid 7055] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7065 [pid 7063] <... prctl resumed>) = 0 [pid 7062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7058] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7055] exit_group(0 [pid 7063] setpgid(0, 0 [pid 7062] <... prctl resumed>) = 0 [pid 7058] <... futex resumed>) = ? [pid 7055] <... exit_group resumed>) = ? [pid 7065] set_robust_list(0x5555564f35e0, 24 [pid 7063] <... setpgid resumed>) = 0 [pid 7058] +++ exited with 0 +++ [pid 7065] <... set_robust_list resumed>) = 0 [pid 7065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7065] setpgid(0, 0) = 0 [pid 7065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7065] write(3, "1000", 4 [pid 7055] +++ exited with 0 +++ [pid 7065] <... write resumed>) = 4 [pid 7063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7065] close(3 [pid 7063] <... openat resumed>) = 3 [pid 7062] setpgid(0, 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7055, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7065] <... close resumed>) = 0 [pid 7064] <... socket resumed>) = 3 [pid 7063] write(3, "1000", 4 [pid 7062] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7066 attached [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] <... write resumed>) = 4 [pid 7062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7066] set_robust_list(0x5555564f35e0, 24 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 1 [pid 7063] close(3 [pid 7062] <... openat resumed>) = 3 [pid 7060] <... futex resumed>) = 0 [pid 7066] <... set_robust_list resumed>) = 0 [pid 7065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7064] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7063] <... close resumed>) = 0 [pid 7062] write(3, "1000", 4 [pid 7060] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7066 [pid 7066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7065] <... mmap resumed>) = 0x7fc1280a9000 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] <... write resumed>) = 4 [pid 7060] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7066] <... prctl resumed>) = 0 [pid 7065] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7064] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7063] <... futex resumed>) = 0 [pid 7062] close(3 [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7067 attached [pid 7066] setpgid(0, 0 [pid 7065] <... mprotect resumed>) = 0 [pid 7064] <... setsockopt resumed>) = 0 [pid 7063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7062] <... close resumed>) = 0 [pid 7067] set_robust_list(0x5555564f35e0, 24 [pid 7066] <... setpgid resumed>) = 0 [pid 7065] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7064] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] <... mmap resumed>) = 0x7fc1280a9000 [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7067 ./strace-static-x86_64: Process 7068 attached [pid 7067] <... set_robust_list resumed>) = 0 [ 260.575312][ T7061] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 260.583284][ T7061] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 260.591257][ T7061] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 260.599231][ T7061] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 260.607209][ T7061] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 260.615209][ T7061] [pid 7066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7064] <... futex resumed>) = 1 [pid 7063] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7062] <... futex resumed>) = 0 [pid 7060] <... futex resumed>) = 0 [pid 7068] set_robust_list(0x7fc1280c99e0, 24 [pid 7067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7066] <... openat resumed>) = 3 [pid 7065] <... clone resumed>, parent_tid=[7068], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7068 [pid 7064] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7063] <... mprotect resumed>) = 0 [pid 7062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7060] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... set_robust_list resumed>) = 0 [pid 7067] <... prctl resumed>) = 0 [pid 7066] write(3, "1000", 4 [pid 7065] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7063] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7062] <... mmap resumed>) = 0x7fc1280a9000 [pid 7060] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7069 attached [pid 7068] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7067] setpgid(0, 0 [pid 7066] <... write resumed>) = 4 [pid 7065] <... futex resumed>) = 0 [pid 7064] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7062] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] set_robust_list(0x7fc1280c99e0, 24 [pid 7068] <... socket resumed>) = 3 [pid 7067] <... setpgid resumed>) = 0 [pid 7066] close(3 [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] <... setsockopt resumed>) = 0 [pid 7063] <... clone resumed>, parent_tid=[7069], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7069 [pid 7062] <... mprotect resumed>) = 0 [pid 7069] <... set_robust_list resumed>) = 0 [pid 7068] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7066] <... close resumed>) = 0 [pid 7065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] clone(child_stack=0x7fc1280c93f0, 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 7070 attached [pid 7069] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7068] <... futex resumed>) = 0 [pid 7067] <... openat resumed>) = 3 [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... futex resumed>) = 1 [pid 7063] <... futex resumed>) = 0 [pid 7060] <... futex resumed>) = 0 [pid 7070] set_robust_list(0x7fc1280c99e0, 24 [pid 7069] <... socket resumed>) = 3 [pid 7068] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7067] write(3, "1000", 4 [pid 7066] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = 0 [pid 7064] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7062] <... clone resumed>, parent_tid=[7070], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7070 [pid 7060] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... setsockopt resumed>) = 0 [pid 7067] <... write resumed>) = 4 [pid 7066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7062] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] <... futex resumed>) = 0 [pid 7070] <... set_robust_list resumed>) = 0 [pid 7069] <... futex resumed>) = 1 [pid 7068] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] close(3 [pid 7066] <... mmap resumed>) = 0x7fc1280a9000 [pid 7065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7070] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7069] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7068] <... futex resumed>) = 0 [pid 7067] <... close resumed>) = 0 [pid 7066] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7065] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... setsockopt resumed>) = 0 [pid 7063] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7070] <... socket resumed>) = 3 [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7068] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] <... mprotect resumed>) = 0 [pid 7065] <... futex resumed>) = 0 [pid 7064] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] <... futex resumed>) = 0 [pid 7070] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7068] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7067] <... futex resumed>) = 0 [pid 7066] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] <... futex resumed>) = 1 [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] <... futex resumed>) = 0 [pid 7070] <... futex resumed>) = 1 [pid 7069] <... setsockopt resumed>) = 0 [pid 7068] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7062] <... futex resumed>) = 0 [pid 7060] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... futex resumed>) = 0 [pid 7067] <... mmap resumed>) = 0x7fc1280a9000 [pid 7066] <... clone resumed>, parent_tid=[7071], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7071 [pid 7065] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7062] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] <... futex resumed>) = 0 [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] <... futex resumed>) = 1 [pid 7068] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7067] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7066] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] <... futex resumed>) = 0 [pid 7064] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7070] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7069] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7068] <... setsockopt resumed>) = 0 [pid 7067] <... mprotect resumed>) = 0 [pid 7066] <... futex resumed>) = 0 [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7068] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7071 attached [pid 7070] <... setsockopt resumed>) = 0 [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7068] <... futex resumed>) = 0 [pid 7065] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7072 attached [pid 7071] set_robust_list(0x7fc1280c99e0, 24 [pid 7070] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7068] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7067] <... clone resumed>, parent_tid=[7072], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7072 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... sendto resumed>) = 1 [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7072] set_robust_list(0x7fc1280c99e0, 24 [pid 7071] <... set_robust_list resumed>) = 0 [pid 7070] <... futex resumed>) = 1 [pid 7069] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7062] <... futex resumed>) = 0 [pid 7072] <... set_robust_list resumed>) = 0 [pid 7071] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7070] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... sendto resumed>) = 1 [pid 7067] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7071] <... socket resumed>) = 3 [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] <... futex resumed>) = 1 [pid 7068] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] <... futex resumed>) = 1 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 7060] <... futex resumed>) = 0 [pid 7072] <... socket resumed>) = 3 [pid 7071] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7069] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7068] <... futex resumed>) = 0 [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7063] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... futex resumed>) = 1 [pid 7070] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7068] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7063] <... futex resumed>) = 0 [pid 7060] <... futex resumed>) = 0 [pid 7072] <... futex resumed>) = 0 [pid 7071] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7070] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7068] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7067] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7072] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7070] <... futex resumed>) = 1 [pid 7069] <... setsockopt resumed>) = 0 [pid 7068] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = 0 [pid 7066] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] <... sendto resumed>) = 1 [pid 7062] <... futex resumed>) = 0 [pid 7072] <... setsockopt resumed>) = 0 [pid 7071] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7070] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... futex resumed>) = 0 [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... setsockopt resumed>) = 0 [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] <... futex resumed>) = 1 [pid 7068] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7065] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = 1 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 7060] <... futex resumed>) = 0 [pid 7072] <... futex resumed>) = 0 [pid 7071] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7069] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7068] <... openat resumed>) = 4 [pid 7067] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7065] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7063] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7071] <... futex resumed>) = 1 [pid 7070] <... setsockopt resumed>) = 0 [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7068] write(4, "5", 1 [pid 7067] <... futex resumed>) = 0 [pid 7066] <... futex resumed>) = 0 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7063] <... futex resumed>) = 0 [pid 7060] <... futex resumed>) = 0 [pid 7072] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7071] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7070] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7068] <... write resumed>) = 1 [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7066] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7072] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7070] <... futex resumed>) = 1 [pid 7069] <... sendto resumed>) = 1 [pid 7068] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] <... futex resumed>) = 0 [pid 7064] <... openat resumed>) = 4 [pid 7062] <... futex resumed>) = 0 [pid 7072] <... futex resumed>) = 0 [pid 7071] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7070] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... setsockopt resumed>) = 0 [pid 7067] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7064] write(4, "5", 1 [pid 7062] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7071] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] <... futex resumed>) = 1 [pid 7068] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = 0 [pid 7064] <... write resumed>) = 1 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 7072] <... setsockopt resumed>) = 0 [pid 7071] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7069] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7072] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... futex resumed>) = 1 [pid 7066] <... futex resumed>) = 0 [pid 7072] <... futex resumed>) = 0 [pid 7071] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7066] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] <... futex resumed>) = 0 [pid 7071] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7071] <... setsockopt resumed>) = 0 [pid 7071] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7066] <... futex resumed>) = 0 [pid 7071] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7066] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] <... futex resumed>) = 0 [pid 7071] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7071] <... sendto resumed>) = 1 [pid 7071] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7066] <... futex resumed>) = 0 [pid 7071] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7066] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] <... futex resumed>) = 0 [pid 7071] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7071] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7071] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7070] <... sendto resumed>) = 1 [pid 7069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7064] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7063] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7071] <... futex resumed>) = 1 [ 260.726717][ T7068] FAULT_INJECTION: forcing a failure. [ 260.726717][ T7068] name fail_futex, interval 1, probability 0, space 0, times 0 [ 260.741792][ T7068] CPU: 1 PID: 7068 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 260.752335][ T7068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 260.762407][ T7068] Call Trace: [ 260.765685][ T7068] [ 260.768640][ T7068] dump_stack_lvl+0xcd/0x134 [ 260.773256][ T7068] should_fail.cold+0x5/0xa [ 260.777766][ T7068] get_futex_key+0x5b2/0x1c50 [ 260.782452][ T7068] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 260.788466][ T7068] ? futex_setup_timer+0xf0/0xf0 [ 260.793430][ T7068] futex_wake+0xe4/0x490 [ 260.797716][ T7068] ? futex_wake_mark+0x1a0/0x1a0 [ 260.802675][ T7068] ? ptrace_stop.part.0+0x5ec/0xa80 [ 260.807898][ T7068] ? do_raw_spin_lock+0x120/0x2a0 [ 260.812936][ T7068] ? rwlock_bug.part.0+0x90/0x90 [ 260.817883][ T7068] ? _raw_spin_lock_irq+0x41/0x50 [ 260.822934][ T7068] do_futex+0x266/0x300 [ 260.827104][ T7068] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 260.833017][ T7068] ? find_held_lock+0x2d/0x110 [ 260.837805][ T7068] __x64_sys_futex+0x1b0/0x4a0 [ 260.842599][ T7068] ? do_futex+0x300/0x300 [ 260.846945][ T7068] ? _raw_spin_unlock_irq+0x1f/0x40 [ 260.852158][ T7068] ? lockdep_hardirqs_on+0x79/0x100 [ 260.857376][ T7068] ? _raw_spin_unlock_irq+0x2a/0x40 [ 260.862595][ T7068] ? ptrace_notify+0xfa/0x140 [ 260.867289][ T7068] do_syscall_64+0x35/0xb0 [ 260.871720][ T7068] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 260.877624][ T7068] RIP: 0033:0x7fc128117db9 [ 260.882063][ T7068] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 260.901760][ T7068] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 260.910190][ T7068] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 260.918162][ T7068] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7066] <... futex resumed>) = 0 [pid 7071] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7070] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7070] <... futex resumed>) = 0 [pid 7069] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7068] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7067] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7066] <... futex resumed>) = 0 [pid 7065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7064] <... setsockopt resumed>) = 0 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7072] <... futex resumed>) = 0 [pid 7071] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7070] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7068] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7067] <... futex resumed>) = 1 [pid 7066] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] exit_group(0 [pid 7064] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7062] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] exit_group(0 [pid 7072] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7071] <... openat resumed>) = 4 [pid 7070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7069] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... futex resumed>) = ? [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7065] <... exit_group resumed>) = ? [pid 7064] <... futex resumed>) = ? [pid 7063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7062] <... futex resumed>) = 0 [pid 7060] <... exit_group resumed>) = ? [pid 7069] <... futex resumed>) = 0 [pid 7063] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7070] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7069] write(4, "5", 1 [pid 7064] +++ exited with 0 +++ [pid 7068] +++ exited with 0 +++ [pid 7063] <... futex resumed>) = 0 [pid 7060] +++ exited with 0 +++ [pid 7069] <... write resumed>) = 1 [pid 7065] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7060, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7072] <... sendto resumed>) = 1 [pid 7071] write(4, "5", 1 [pid 7070] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7069] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7063] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7072] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... write resumed>) = 1 [pid 7070] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... setsockopt resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7065, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7072] <... futex resumed>) = 1 [pid 7071] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7070] <... futex resumed>) = 1 [pid 7069] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7072] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7071] <... setsockopt resumed>) = 0 [pid 7070] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7067] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 260.926133][ T7068] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 260.934119][ T7068] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 260.942175][ T7068] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 260.950169][ T7068] [ 260.972581][ T7069] FAULT_INJECTION: forcing a failure. [pid 7071] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7067] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7072] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7062] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7073 [pid 7062] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7073 attached [pid 7073] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7073] setpgid(0, 0) = 0 [pid 7073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7073] write(3, "1000", 4) = 4 [pid 7073] close(3) = 0 [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7073] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7073] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7074], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7074 [pid 7073] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 260.972581][ T7069] name fail_futex, interval 1, probability 0, space 0, times 0 [ 260.977341][ T7071] FAULT_INJECTION: forcing a failure. [ 260.977341][ T7071] name fail_futex, interval 1, probability 0, space 0, times 0 [ 260.995688][ T7069] CPU: 1 PID: 7069 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 261.008876][ T7069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 261.018940][ T7069] Call Trace: [ 261.022224][ T7069] [ 261.025166][ T7069] dump_stack_lvl+0xcd/0x134 [ 261.029778][ T7069] should_fail.cold+0x5/0xa [ 261.034297][ T7069] get_futex_key+0x5b2/0x1c50 [ 261.038985][ T7069] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 261.044975][ T7069] ? futex_setup_timer+0xf0/0xf0 [ 261.049937][ T7069] futex_wake+0xe4/0x490 [ 261.054282][ T7069] ? futex_wake_mark+0x1a0/0x1a0 [ 261.059317][ T7069] ? ptrace_stop.part.0+0x5ec/0xa80 [ 261.064524][ T7069] ? do_raw_spin_lock+0x120/0x2a0 [ 261.069556][ T7069] ? rwlock_bug.part.0+0x90/0x90 [ 261.074500][ T7069] ? _raw_spin_lock_irq+0x41/0x50 [ 261.079547][ T7069] do_futex+0x266/0x300 [ 261.083719][ T7069] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 261.089622][ T7069] ? find_held_lock+0x2d/0x110 [ 261.094497][ T7069] __x64_sys_futex+0x1b0/0x4a0 [ 261.099285][ T7069] ? do_futex+0x300/0x300 [ 261.103626][ T7069] ? _raw_spin_unlock_irq+0x1f/0x40 [ 261.108844][ T7069] ? lockdep_hardirqs_on+0x79/0x100 [ 261.114065][ T7069] ? _raw_spin_unlock_irq+0x2a/0x40 [ 261.119274][ T7069] ? ptrace_notify+0xfa/0x140 [ 261.123965][ T7069] do_syscall_64+0x35/0xb0 [ 261.128391][ T7069] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 261.134298][ T7069] RIP: 0033:0x7fc128117db9 [ 261.138751][ T7069] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 261.158369][ T7069] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 261.166790][ T7069] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 261.174768][ T7069] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 261.182746][ T7069] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 261.190819][ T7069] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 261.198802][ T7069] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 261.206797][ T7069] [ 261.209821][ T7071] CPU: 0 PID: 7071 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 261.220343][ T7071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 261.230398][ T7071] Call Trace: [ 261.233675][ T7071] [ 261.236610][ T7071] dump_stack_lvl+0xcd/0x134 [ 261.241214][ T7071] should_fail.cold+0x5/0xa [ 261.245724][ T7071] get_futex_key+0x5b2/0x1c50 [ 261.250403][ T7071] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 261.256386][ T7071] ? futex_setup_timer+0xf0/0xf0 [ 261.261333][ T7071] futex_wake+0xe4/0x490 [ 261.265579][ T7071] ? futex_wake_mark+0x1a0/0x1a0 [ 261.270519][ T7071] ? ptrace_stop.part.0+0x5ec/0xa80 [ 261.275719][ T7071] ? do_raw_spin_lock+0x120/0x2a0 [ 261.280764][ T7071] ? rwlock_bug.part.0+0x90/0x90 [ 261.285738][ T7071] ? _raw_spin_lock_irq+0x41/0x50 [ 261.290798][ T7071] do_futex+0x266/0x300 [ 261.294982][ T7071] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 261.300883][ T7071] ? find_held_lock+0x2d/0x110 [ 261.305666][ T7071] __x64_sys_futex+0x1b0/0x4a0 [ 261.310443][ T7071] ? do_futex+0x300/0x300 [ 261.314773][ T7071] ? _raw_spin_unlock_irq+0x1f/0x40 [ 261.319985][ T7071] ? lockdep_hardirqs_on+0x79/0x100 [ 261.325192][ T7071] ? _raw_spin_unlock_irq+0x2a/0x40 [ 261.330392][ T7071] ? ptrace_notify+0xfa/0x140 [ 261.335077][ T7071] do_syscall_64+0x35/0xb0 [ 261.339495][ T7071] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 261.345657][ T7071] RIP: 0033:0x7fc128117db9 [ 261.350076][ T7071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 261.369684][ T7071] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7075 attached ./strace-static-x86_64: Process 7074 attached [pid 7072] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7070] <... futex resumed>) = 0 [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7066] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7063] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7071] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7071] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7075] set_robust_list(0x5555564f35e0, 24 [pid 7074] set_robust_list(0x7fc1280c99e0, 24 [pid 7072] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7070] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7067] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7066] exit_group(0 [pid 7063] exit_group(0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7075 [pid 7072] <... futex resumed>) = 0 [pid 7070] <... openat resumed>) = 4 [pid 7074] <... set_robust_list resumed>) = 0 [pid 7067] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... set_robust_list resumed>) = 0 [pid 7074] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7072] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7066] <... exit_group resumed>) = ? [pid 7063] <... exit_group resumed>) = ? [pid 7070] write(4, "5", 1 [pid 7067] <... futex resumed>) = 0 [pid 7072] <... openat resumed>) = 4 [pid 7067] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7074] <... socket resumed>) = 3 [pid 7074] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7073] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] <... futex resumed>) = 0 [pid 7072] write(4, "5", 1 [pid 7075] <... prctl resumed>) = 0 [pid 7074] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7073] <... futex resumed>) = 0 [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7071] <... futex resumed>) = ? [pid 7074] <... setsockopt resumed>) = 0 [pid 7075] setpgid(0, 0 [pid 7074] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... setpgid resumed>) = 0 [pid 7074] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7072] <... write resumed>) = 1 [pid 7070] <... write resumed>) = 1 [pid 7073] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7074] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7073] <... futex resumed>) = 0 [pid 7072] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7071] +++ exited with 0 +++ [pid 7070] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7066] +++ exited with 0 +++ [pid 7075] <... openat resumed>) = 3 [pid 7074] <... setsockopt resumed>) = 0 [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7072] <... setsockopt resumed>) = 0 [pid 7075] write(3, "1000", 4 [pid 7074] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7070] <... setsockopt resumed>) = 0 [ 261.378098][ T7071] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 261.386067][ T7071] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 261.394037][ T7071] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 261.402008][ T7071] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 261.409981][ T7071] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 261.417963][ T7071] [pid 7073] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] <... futex resumed>) = ? [pid 7072] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7066, si_uid=0, si_status=0, si_utime=0, si_stime=44} --- [pid 7070] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] <... write resumed>) = 4 [pid 7074] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7062] exit_group(0) = ? [pid 7069] +++ exited with 0 +++ [pid 7063] +++ exited with 0 +++ [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7076 [pid 7070] <... futex resumed>) = ? [pid 7070] +++ exited with 0 +++ [pid 7062] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7062, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7076 attached [pid 7075] close(3 [pid 7074] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=36000000} [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7077 ./strace-static-x86_64: Process 7077 attached [pid 7077] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7077] setpgid(0, 0) = 0 [ 261.437966][ T7072] FAULT_INJECTION: forcing a failure. [ 261.437966][ T7072] name fail_futex, interval 1, probability 0, space 0, times 0 [ 261.451623][ T7072] CPU: 0 PID: 7072 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 261.462163][ T7072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 261.472249][ T7072] Call Trace: [ 261.475548][ T7072] [ 261.478493][ T7072] dump_stack_lvl+0xcd/0x134 [ 261.483117][ T7072] should_fail.cold+0x5/0xa [pid 7077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7077] write(3, "1000", 4) = 4 [pid 7077] close(3) = 0 [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7077] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7077] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7077] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7078], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7078 [pid 7077] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 261.487656][ T7072] get_futex_key+0x5b2/0x1c50 [ 261.492361][ T7072] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 261.498371][ T7072] ? futex_setup_timer+0xf0/0xf0 [ 261.503346][ T7072] futex_wake+0xe4/0x490 [ 261.505540][ T7078] FAULT_INJECTION: forcing a failure. [ 261.505540][ T7078] name fail_futex, interval 1, probability 0, space 0, times 0 [ 261.507623][ T7072] ? futex_wake_mark+0x1a0/0x1a0 [ 261.525323][ T7072] ? ptrace_stop.part.0+0x5ec/0xa80 [ 261.530533][ T7072] ? do_raw_spin_lock+0x120/0x2a0 [ 261.535561][ T7072] ? rwlock_bug.part.0+0x90/0x90 [ 261.540498][ T7072] ? _raw_spin_lock_irq+0x41/0x50 [ 261.545540][ T7072] do_futex+0x266/0x300 [ 261.549714][ T7072] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 261.555619][ T7072] ? find_held_lock+0x2d/0x110 [ 261.560439][ T7072] __x64_sys_futex+0x1b0/0x4a0 [ 261.565216][ T7072] ? do_futex+0x300/0x300 [ 261.569552][ T7072] ? _raw_spin_unlock_irq+0x1f/0x40 [ 261.574758][ T7072] ? lockdep_hardirqs_on+0x79/0x100 [ 261.579965][ T7072] ? _raw_spin_unlock_irq+0x2a/0x40 [ 261.585164][ T7072] ? ptrace_notify+0xfa/0x140 [ 261.589871][ T7072] do_syscall_64+0x35/0xb0 [ 261.594292][ T7072] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 261.600197][ T7072] RIP: 0033:0x7fc128117db9 [ 261.604614][ T7072] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 261.624919][ T7072] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7078 attached [pid 7078] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7078] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7078] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... futex resumed>) = 0 [pid 7077] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7078] <... futex resumed>) = 1 [pid 7078] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7078] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... futex resumed>) = 0 [pid 7077] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] <... futex resumed>) = 1 [pid 7077] <... futex resumed>) = 0 [pid 7078] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7078] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7078] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7077] <... futex resumed>) = 0 [pid 7078] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] <... futex resumed>) = 0 [pid 7078] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7078] <... setsockopt resumed>) = 0 [pid 7078] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7077] <... futex resumed>) = 0 [pid 7078] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] <... futex resumed>) = 0 [pid 7078] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7078] <... sendto resumed>) = 1 [pid 7078] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7077] <... futex resumed>) = 0 [pid 7078] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] <... futex resumed>) = 0 [pid 7078] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7078] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7078] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7077] <... futex resumed>) = 0 [pid 7078] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7077] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7078] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7077] <... futex resumed>) = 0 [pid 7078] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7077] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7078] <... openat resumed>) = 4 [pid 7078] write(4, "5", 1) = 1 [pid 7078] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7078] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7077] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7076] set_robust_list(0x5555564f35e0, 24 [pid 7075] <... close resumed>) = 0 [pid 7074] <... setsockopt resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7063, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7077] exit_group(0 [pid 7076] <... set_robust_list resumed>) = 0 [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7067] exit_group(0 [pid 7077] <... exit_group resumed>) = ? [ 261.633347][ T7072] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 261.641315][ T7072] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 261.649284][ T7072] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 261.657261][ T7072] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 261.665233][ T7072] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 261.673213][ T7072] [ 261.679121][ T7078] CPU: 0 PID: 7078 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 261.689659][ T7078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 261.699715][ T7078] Call Trace: [ 261.702993][ T7078] [ 261.705928][ T7078] dump_stack_lvl+0xcd/0x134 [ 261.710545][ T7078] should_fail.cold+0x5/0xa [ 261.715059][ T7078] get_futex_key+0x5b2/0x1c50 [ 261.719746][ T7078] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 261.725732][ T7078] ? futex_setup_timer+0xf0/0xf0 [ 261.730679][ T7078] futex_wake+0xe4/0x490 [ 261.734926][ T7078] ? futex_wake_mark+0x1a0/0x1a0 [ 261.739863][ T7078] ? ptrace_stop.part.0+0x5ec/0xa80 [ 261.745062][ T7078] ? do_raw_spin_lock+0x120/0x2a0 [ 261.750097][ T7078] ? rwlock_bug.part.0+0x90/0x90 [ 261.755031][ T7078] ? _raw_spin_lock_irq+0x41/0x50 [ 261.760075][ T7078] do_futex+0x266/0x300 [ 261.764320][ T7078] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 261.770649][ T7078] ? find_held_lock+0x2d/0x110 [ 261.775422][ T7078] __x64_sys_futex+0x1b0/0x4a0 [ 261.780190][ T7078] ? do_futex+0x300/0x300 [ 261.784515][ T7078] ? _raw_spin_unlock_irq+0x1f/0x40 [ 261.789715][ T7078] ? lockdep_hardirqs_on+0x79/0x100 [ 261.794923][ T7078] ? _raw_spin_unlock_irq+0x2a/0x40 [ 261.800125][ T7078] ? ptrace_notify+0xfa/0x140 [ 261.804818][ T7078] do_syscall_64+0x35/0xb0 [ 261.809236][ T7078] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 261.815133][ T7078] RIP: 0033:0x7fc128117db9 [ 261.819554][ T7078] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 261.839162][ T7078] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 261.847589][ T7078] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 261.855558][ T7078] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 261.863544][ T7078] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 261.871602][ T7078] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 261.879573][ T7078] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 7076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7075] <... futex resumed>) = 0 [pid 7074] <... futex resumed>) = 1 [pid 7067] <... exit_group resumed>) = ? [pid 7078] <... futex resumed>) = ? [pid 7076] <... prctl resumed>) = 0 [pid 7075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7074] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7076] setpgid(0, 0 [pid 7075] <... mmap resumed>) = 0x7fc1280a9000 [pid 7073] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] <... futex resumed>) = 0 [pid 7073] <... futex resumed>) = 1 [pid 7072] +++ exited with 0 +++ [pid 7067] +++ exited with 0 +++ [pid 7076] <... setpgid resumed>) = 0 [pid 7075] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7074] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7067, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- ./strace-static-x86_64: Process 7079 attached [pid 7078] +++ exited with 0 +++ [pid 7077] +++ exited with 0 +++ [pid 7076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7075] <... mprotect resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7079 [pid 7076] <... openat resumed>) = 3 [pid 7075] clone(child_stack=0x7fc1280c93f0, 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 7080 attached [pid 7079] set_robust_list(0x5555564f35e0, 24 [pid 7076] write(3, "1000", 4 [pid 7074] <... sendto resumed>) = 1 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7077, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7080] set_robust_list(0x7fc1280c99e0, 24 [pid 7079] <... set_robust_list resumed>) = 0 [pid 7076] <... write resumed>) = 4 [pid 7075] <... clone resumed>, parent_tid=[7080], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7080 [pid 7074] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 7076] close(3 [pid 7075] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 3615] <... restart_syscall resumed>) = 0 [pid 7076] <... close resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7073] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] sendto(3, "\x01", 1, 0, NULL, 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7081 [pid 7080] <... set_robust_list resumed>) = 0 [pid 7079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7074] <... sendto resumed>) = 1 [pid 7073] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7081 attached [pid 7080] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7079] <... prctl resumed>) = 0 [pid 7076] <... futex resumed>) = 0 [pid 7074] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7081] set_robust_list(0x5555564f35e0, 24 [pid 7080] <... socket resumed>) = 3 [pid 7079] setpgid(0, 0 [pid 7076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7074] <... futex resumed>) = 0 [pid 7073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] <... set_robust_list resumed>) = 0 [pid 7080] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... setpgid resumed>) = 0 [pid 7076] <... mmap resumed>) = 0x7fc1280a9000 [pid 7074] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7082 attached [pid 7081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7080] <... futex resumed>) = 1 [pid 7079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7076] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7075] <... futex resumed>) = 0 [pid 7074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7073] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7082 [pid 7082] set_robust_list(0x5555564f35e0, 24 [pid 7081] <... prctl resumed>) = 0 [pid 7080] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] <... openat resumed>) = 3 [pid 7076] <... mprotect resumed>) = 0 [pid 7075] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7073] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7082] <... set_robust_list resumed>) = 0 [pid 7081] setpgid(0, 0 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 261.887558][ T7078] [pid 7079] write(3, "1000", 4 [pid 7076] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7075] <... futex resumed>) = 0 [pid 7074] <... openat resumed>) = 4 [pid 7082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7081] <... setpgid resumed>) = 0 [pid 7080] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7079] <... write resumed>) = 4 [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7074] write(4, "5", 1./strace-static-x86_64: Process 7083 attached [pid 7082] <... prctl resumed>) = 0 [pid 7081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7080] <... setsockopt resumed>) = 0 [pid 7079] close(3 [pid 7076] <... clone resumed>, parent_tid=[7083], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7083 [pid 7074] <... write resumed>) = 1 [pid 7083] set_robust_list(0x7fc1280c99e0, 24 [pid 7082] setpgid(0, 0 [pid 7080] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... close resumed>) = 0 [pid 7076] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7083] <... set_robust_list resumed>) = 0 [pid 7082] <... setpgid resumed>) = 0 [pid 7081] <... openat resumed>) = 3 [pid 7080] <... futex resumed>) = 1 [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7074] <... setsockopt resumed>) = 0 [pid 7083] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7081] write(3, "1000", 4 [pid 7080] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] <... futex resumed>) = 0 [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... socket resumed>) = 3 [pid 7082] <... openat resumed>) = 3 [pid 7081] <... write resumed>) = 4 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7075] <... futex resumed>) = 0 [pid 7074] <... futex resumed>) = 1 [pid 7073] <... futex resumed>) = 0 [pid 7083] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] write(3, "1000", 4 [pid 7081] close(3 [pid 7080] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7079] <... mmap resumed>) = 0x7fc1280a9000 [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7074] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] exit_group(0 [pid 7083] <... futex resumed>) = 1 [pid 7082] <... write resumed>) = 4 [pid 7081] <... close resumed>) = 0 [pid 7080] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7079] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7076] <... futex resumed>) = 0 [pid 7074] <... futex resumed>) = ? [pid 7073] <... exit_group resumed>) = ? [pid 7083] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] close(3 [pid 7081] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... mprotect resumed>) = 0 [pid 7076] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7074] +++ exited with 0 +++ [pid 7083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] <... close resumed>) = 0 [pid 7081] <... futex resumed>) = 0 [pid 7080] <... futex resumed>) = 1 [pid 7079] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7076] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7084 attached [pid 7083] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7080] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] +++ exited with 0 +++ [pid 7084] set_robust_list(0x7fc1280c99e0, 24 [pid 7083] <... setsockopt resumed>) = 0 [pid 7082] <... futex resumed>) = 0 [pid 7081] <... mmap resumed>) = 0x7fc1280a9000 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7079] <... clone resumed>, parent_tid=[7084], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7084 [pid 7075] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7073, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7084] <... set_robust_list resumed>) = 0 [pid 7083] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7081] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7080] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7079] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 7084] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7083] <... futex resumed>) = 1 [pid 7082] <... mmap resumed>) = 0x7fc1280a9000 [pid 7081] <... mprotect resumed>) = 0 [pid 7080] <... setsockopt resumed>) = 0 [pid 7079] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 7084] <... socket resumed>) = 3 [pid 7083] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7081] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7080] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7085 attached [pid 7084] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] <... mprotect resumed>) = 0 [pid 7080] <... futex resumed>) = 1 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7076] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7085] set_robust_list(0x7fc1280c99e0, 24 [pid 7084] <... futex resumed>) = 0 [pid 7083] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7082] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7081] <... clone resumed>, parent_tid=[7085], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7085 [pid 7080] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7086 attached [pid 7085] <... set_robust_list resumed>) = 0 [pid 7084] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7083] <... setsockopt resumed>) = 0 [pid 7081] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7079] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7087 attached [pid 7085] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7081] <... futex resumed>) = 0 [pid 7084] <... setsockopt resumed>) = 0 [pid 7083] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] <... clone resumed>, parent_tid=[7086], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7086 [pid 7080] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] set_robust_list(0x5555564f35e0, 24 [pid 7086] set_robust_list(0x7fc1280c99e0, 24 [pid 7085] <... socket resumed>) = 3 [pid 7084] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... futex resumed>) = 1 [pid 7082] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... sendto resumed>) = 1 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7076] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7087 [pid 7087] <... set_robust_list resumed>) = 0 [pid 7085] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... futex resumed>) = 0 [pid 7083] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] <... futex resumed>) = 0 [pid 7086] <... set_robust_list resumed>) = 0 [pid 7081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7080] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7086] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7085] <... futex resumed>) = 0 [pid 7084] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... futex resumed>) = 1 [pid 7079] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7087] <... prctl resumed>) = 0 [pid 7086] <... socket resumed>) = 3 [pid 7085] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7084] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7083] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7081] <... futex resumed>) = 0 [pid 7080] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] setpgid(0, 0 [pid 7086] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... setsockopt resumed>) = 0 [pid 7084] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... setsockopt resumed>) = 0 [pid 7081] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7075] <... futex resumed>) = 0 [pid 7087] <... setpgid resumed>) = 0 [pid 7086] <... futex resumed>) = 1 [pid 7085] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... futex resumed>) = 0 [pid 7083] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7080] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7079] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7086] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7085] <... futex resumed>) = 0 [pid 7084] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7083] <... futex resumed>) = 1 [pid 7082] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7079] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 0 [pid 7087] <... openat resumed>) = 3 [pid 7086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7085] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7084] <... setsockopt resumed>) = 0 [pid 7083] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = 0 [pid 7080] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] write(3, "1000", 4 [pid 7086] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7085] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7084] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... futex resumed>) = 1 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7076] <... futex resumed>) = 0 [pid 7075] <... futex resumed>) = 0 [pid 7087] <... write resumed>) = 4 [pid 7086] <... setsockopt resumed>) = 0 [pid 7085] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... futex resumed>) = 0 [pid 7083] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7080] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7079] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] close(3 [pid 7086] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... futex resumed>) = 0 [pid 7084] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7081] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7075] <... futex resumed>) = 0 [pid 7087] <... close resumed>) = 0 [pid 7085] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7081] <... futex resumed>) = 0 [pid 7080] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7075] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7086] <... futex resumed>) = 1 [pid 7085] <... setsockopt resumed>) = 0 [pid 7081] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... openat resumed>) = 4 [pid 7079] <... futex resumed>) = 0 [pid 7087] <... futex resumed>) = 0 [pid 7086] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7085] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... sendto resumed>) = 1 [pid 7082] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7080] write(4, "5", 1 [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7085] <... futex resumed>) = 0 [pid 7084] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... write resumed>) = 1 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... mmap resumed>) = 0x7fc1280a9000 [pid 7086] <... futex resumed>) = 0 [pid 7085] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7084] <... futex resumed>) = 0 [pid 7083] <... sendto resumed>) = 1 [pid 7082] <... futex resumed>) = 1 [pid 7081] <... futex resumed>) = 0 [pid 7080] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7079] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7086] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7085] <... sendto resumed>) = 1 [pid 7084] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7083] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] <... setsockopt resumed>) = 0 [pid 7079] <... futex resumed>) = 0 [pid 7087] <... mprotect resumed>) = 0 [pid 7086] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7085] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7083] <... futex resumed>) = 1 [pid 7081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7080] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] <... futex resumed>) = 0 [pid 7087] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7086] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... futex resumed>) = 0 [pid 7084] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7081] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7076] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7086] <... futex resumed>) = 1 [pid 7084] <... futex resumed>) = 0 [pid 7083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] <... futex resumed>) = 0 [pid 7079] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] <... futex resumed>) = 0 [pid 7086] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7084] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7083] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7082] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... futex resumed>) = 0 [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7084] <... openat resumed>) = 4 [pid 7083] <... sendto resumed>) = 1 [pid 7082] <... futex resumed>) = 0 [pid 7079] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7086] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7084] write(4, "5", 1 [pid 7083] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7086] <... setsockopt resumed>) = 0 [pid 7085] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7084] <... write resumed>) = 1 [pid 7083] <... futex resumed>) = 1 [pid 7081] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 0 [pid 7087] <... clone resumed>, parent_tid=[7088], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7088 [pid 7086] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7083] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7076] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7088 attached [pid 7086] <... futex resumed>) = 1 [pid 7084] <... setsockopt resumed>) = 0 [pid 7083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 0 [pid 7088] set_robust_list(0x7fc1280c99e0, 24 [pid 7086] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7084] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7082] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... set_robust_list resumed>) = 0 [pid 7086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7083] <... openat resumed>) = 4 [pid 7082] <... futex resumed>) = 0 [pid 7081] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7086] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7083] write(4, "5", 1 [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7086] <... sendto resumed>) = 1 [pid 7083] <... write resumed>) = 1 [pid 7086] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7086] <... futex resumed>) = 1 [pid 7083] <... setsockopt resumed>) = 0 [pid 7082] <... futex resumed>) = 0 [pid 7086] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7083] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7083] <... futex resumed>) = 1 [pid 7082] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = 0 [pid 7086] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7083] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 262.000284][ T7080] FAULT_INJECTION: forcing a failure. [ 262.000284][ T7080] name fail_futex, interval 1, probability 0, space 0, times 0 [ 262.015273][ T7080] CPU: 0 PID: 7080 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 262.019686][ T7084] FAULT_INJECTION: forcing a failure. [ 262.019686][ T7084] name fail_futex, interval 1, probability 0, space 0, times 0 [ 262.025799][ T7080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7076] exit_group(0 [pid 7086] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7083] <... futex resumed>) = ? [pid 7076] <... exit_group resumed>) = ? [pid 7086] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] +++ exited with 0 +++ [pid 7076] +++ exited with 0 +++ [pid 7086] <... futex resumed>) = 1 [pid 7082] <... futex resumed>) = 0 [pid 7086] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7076, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] <... futex resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 7086] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7082] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... restart_syscall resumed>) = 0 [pid 7086] <... openat resumed>) = 4 [pid 7086] write(4, "5", 1) = 1 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7086] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7089 [ 262.025816][ T7080] Call Trace: [ 262.025824][ T7080] [ 262.025832][ T7080] dump_stack_lvl+0xcd/0x134 [ 262.025865][ T7080] should_fail.cold+0x5/0xa [ 262.025892][ T7080] get_futex_key+0x5b2/0x1c50 [ 262.062925][ T7086] FAULT_INJECTION: forcing a failure. [ 262.062925][ T7086] name fail_futex, interval 1, probability 0, space 0, times 0 [ 262.064239][ T7080] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 262.064274][ T7080] ? futex_setup_timer+0xf0/0xf0 [ 262.064306][ T7080] futex_wake+0xe4/0x490 [pid 7086] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7079] exit_group(0) = ? ./strace-static-x86_64: Process 7089 attached [pid 7089] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7089] setpgid(0, 0) = 0 [pid 7089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7089] write(3, "1000", 4) = 4 [pid 7089] close(3) = 0 [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 262.064334][ T7080] ? futex_wake_mark+0x1a0/0x1a0 [ 262.064359][ T7080] ? ptrace_stop.part.0+0x5ec/0xa80 [ 262.064386][ T7080] ? do_raw_spin_lock+0x120/0x2a0 [ 262.064410][ T7080] ? rwlock_bug.part.0+0x90/0x90 [ 262.117109][ T7080] ? _raw_spin_lock_irq+0x41/0x50 [ 262.122176][ T7080] do_futex+0x266/0x300 [ 262.123870][ T7091] FAULT_INJECTION: forcing a failure. [ 262.123870][ T7091] name fail_futex, interval 1, probability 0, space 0, times 0 [ 262.126451][ T7080] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 262.126480][ T7080] ? find_held_lock+0x2d/0x110 [ 262.149894][ T7080] __x64_sys_futex+0x1b0/0x4a0 [ 262.154684][ T7080] ? do_futex+0x300/0x300 [ 262.159039][ T7080] ? _raw_spin_unlock_irq+0x1f/0x40 [ 262.164269][ T7080] ? lockdep_hardirqs_on+0x79/0x100 [ 262.169495][ T7080] ? _raw_spin_unlock_irq+0x2a/0x40 [ 262.174724][ T7080] ? ptrace_notify+0xfa/0x140 [ 262.179432][ T7080] do_syscall_64+0x35/0xb0 [ 262.183880][ T7080] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 262.189807][ T7080] RIP: 0033:0x7fc128117db9 [ 262.194241][ T7080] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 262.213872][ T7080] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 262.222305][ T7080] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 262.230326][ T7080] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 262.238319][ T7080] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7089] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7089] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7090], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7090 [pid 7089] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7081] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7081] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7091], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7091 [pid 7081] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7090 attached [pid 7081] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7090] set_robust_list(0x7fc1280c99e0, 24 [pid 7082] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7090] <... set_robust_list resumed>) = 0 [pid 7082] exit_group(0 [pid 7090] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7082] <... exit_group resumed>) = ? [pid 7090] <... socket resumed>) = 3 [pid 7090] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7091 attached ) = 1 [pid 7089] <... futex resumed>) = 0 [pid 7091] set_robust_list(0x7fc1280a89e0, 24 [pid 7090] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7089] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] <... set_robust_list resumed>) = 0 [pid 7090] <... setsockopt resumed>) = 0 [pid 7089] <... futex resumed>) = 0 [pid 7091] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7090] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7091] <... openat resumed>) = 4 [pid 7090] <... futex resumed>) = 0 [pid 7089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7091] write(4, "5", 1 [pid 7090] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7089] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] <... write resumed>) = 1 [pid 7090] <... setsockopt resumed>) = 0 [pid 7089] <... futex resumed>) = 0 [pid 7091] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7090] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7091] <... setsockopt resumed>) = 0 [pid 7090] <... futex resumed>) = 0 [pid 7089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7091] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7089] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7089] <... futex resumed>) = 0 [pid 7090] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7090] <... setsockopt resumed>) = 0 [pid 7090] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7089] <... futex resumed>) = 0 [pid 7090] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7089] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7089] <... futex resumed>) = 0 [pid 7090] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7090] <... sendto resumed>) = 1 [pid 7081] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7090] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7089] <... futex resumed>) = 0 [pid 7090] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7089] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] <... sendto resumed>) = 1 [pid 7089] <... futex resumed>) = 0 [pid 7090] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7090] <... futex resumed>) = 0 [pid 7089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7090] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7089] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7089] <... futex resumed>) = 0 [pid 7090] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7089] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7090] <... openat resumed>) = 4 [pid 7090] write(4, "5", 1) = 1 [pid 7090] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7090] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7089] <... futex resumed>) = 0 [pid 7090] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7089] exit_group(0 [pid 7090] <... futex resumed>) = ? [pid 7089] <... exit_group resumed>) = ? [pid 7090] +++ exited with 0 +++ [pid 7089] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7089, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7092 ./strace-static-x86_64: Process 7092 attached [pid 7092] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7092] setpgid(0, 0) = 0 [pid 7092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7092] write(3, "1000", 4) = 4 [pid 7092] close(3) = 0 [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7092] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7092] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7093], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7093 [pid 7092] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7093 attached [pid 7093] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7093] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7093] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7092] <... futex resumed>) = 0 [pid 7093] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... futex resumed>) = 0 [pid 7093] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] <... setsockopt resumed>) = 0 [pid 7093] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7092] <... futex resumed>) = 0 [pid 7093] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... futex resumed>) = 0 [pid 7093] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] <... setsockopt resumed>) = 0 [pid 7093] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7092] <... futex resumed>) = 0 [pid 7093] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... futex resumed>) = 0 [pid 7093] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7087] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7075] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7093] <... setsockopt resumed>) = 0 [pid 7080] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7093] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7092] <... futex resumed>) = 0 [pid 7093] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... futex resumed>) = 0 [pid 7093] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] <... sendto resumed>) = 1 [pid 7093] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7092] <... futex resumed>) = 0 [pid 7093] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... futex resumed>) = 0 [pid 7093] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] <... sendto resumed>) = 1 [pid 7093] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7092] <... futex resumed>) = 0 [pid 7093] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... futex resumed>) = 0 [pid 7093] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7092] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7093] <... openat resumed>) = 4 [pid 7093] write(4, "5", 1) = 1 [pid 7093] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7093] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 262.246422][ T7080] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 262.254413][ T7080] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 262.262418][ T7080] [ 262.268352][ T7084] CPU: 0 PID: 7084 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 262.278903][ T7084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 262.288984][ T7084] Call Trace: [ 262.292267][ T7084] [ 262.295209][ T7084] dump_stack_lvl+0xcd/0x134 [pid 7092] <... futex resumed>) = 0 [pid 7093] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7092] exit_group(0 [pid 7093] <... futex resumed>) = ? [pid 7092] <... exit_group resumed>) = ? [pid 7093] +++ exited with 0 +++ [pid 7092] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7092, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 262.299837][ T7084] should_fail.cold+0x5/0xa [ 262.304378][ T7084] get_futex_key+0x5b2/0x1c50 [ 262.309085][ T7084] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 262.315095][ T7084] ? futex_setup_timer+0xf0/0xf0 [ 262.320066][ T7084] futex_wake+0xe4/0x490 [ 262.324330][ T7084] ? futex_wake_mark+0x1a0/0x1a0 [ 262.329294][ T7084] ? ptrace_stop.part.0+0x5ec/0xa80 [ 262.334524][ T7084] ? do_raw_spin_lock+0x120/0x2a0 [ 262.339578][ T7084] ? rwlock_bug.part.0+0x90/0x90 [ 262.344533][ T7084] ? _raw_spin_lock_irq+0x41/0x50 [ 262.349577][ T7084] do_futex+0x266/0x300 [ 262.353747][ T7084] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 262.359675][ T7084] ? find_held_lock+0x2d/0x110 [ 262.364477][ T7084] __x64_sys_futex+0x1b0/0x4a0 [ 262.369286][ T7084] ? do_futex+0x300/0x300 [ 262.373647][ T7084] ? _raw_spin_unlock_irq+0x1f/0x40 [ 262.378874][ T7084] ? lockdep_hardirqs_on+0x79/0x100 [ 262.384103][ T7084] ? _raw_spin_unlock_irq+0x2a/0x40 [ 262.389844][ T7084] ? ptrace_notify+0xfa/0x140 [ 262.394541][ T7084] do_syscall_64+0x35/0xb0 [ 262.398981][ T7084] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 262.404910][ T7084] RIP: 0033:0x7fc128117db9 [ 262.409353][ T7084] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 262.428986][ T7084] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 262.437430][ T7084] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7088] <... futex resumed>) = 0 [pid 7087] <... futex resumed>) = 1 [pid 7075] exit_group(0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7094 [pid 7088] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7075] <... exit_group resumed>) = ? [pid 7088] <... socket resumed>) = 3 [pid 7088] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7088] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7094 attached [pid 7088] <... setsockopt resumed>) = 0 [pid 7094] set_robust_list(0x5555564f35e0, 24 [pid 7088] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] <... set_robust_list resumed>) = 0 [pid 7088] <... futex resumed>) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] <... prctl resumed>) = 0 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7094] setpgid(0, 0 [pid 7088] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7094] <... setpgid resumed>) = 0 [pid 7088] <... setsockopt resumed>) = 0 [pid 7094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7088] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] <... openat resumed>) = 3 [pid 7088] <... futex resumed>) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7094] write(3, "1000", 4 [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] <... write resumed>) = 4 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7094] close(3 [pid 7088] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7094] <... close resumed>) = 0 [pid 7088] <... setsockopt resumed>) = 0 [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] <... futex resumed>) = 0 [pid 7088] <... futex resumed>) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] <... mmap resumed>) = 0x7fc1280a9000 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7094] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7088] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7094] <... mprotect resumed>) = 0 [pid 7088] <... sendto resumed>) = 1 [pid 7094] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7088] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7094] <... clone resumed>, parent_tid=[7095], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7095 [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7094] <... futex resumed>) = 0 [pid 7088] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... sendto resumed>) = 1 [pid 7085] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7095 attached [pid 7088] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... futex resumed>) = 0 [pid 7095] set_robust_list(0x7fc1280c99e0, 24 [pid 7088] <... futex resumed>) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7085] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7095] <... set_robust_list resumed>) = 0 [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = 0 [pid 7081] exit_group(0 [pid 7095] <... socket resumed>) = 3 [pid 7088] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7087] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7085] <... futex resumed>) = ? [pid 7081] <... exit_group resumed>) = ? [pid 7095] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... openat resumed>) = 4 [pid 7085] +++ exited with 0 +++ [pid 7095] <... futex resumed>) = 1 [pid 7094] <... futex resumed>) = 0 [pid 7088] write(4, "5", 1 [pid 7095] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7094] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... write resumed>) = 1 [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7094] <... futex resumed>) = 0 [pid 7088] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7095] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7088] <... setsockopt resumed>) = 0 [pid 7095] <... setsockopt resumed>) = 0 [pid 7088] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = 1 [pid 7087] <... futex resumed>) = 0 [pid 7095] <... futex resumed>) = 1 [pid 7094] <... futex resumed>) = 0 [pid 7088] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7087] exit_group(0 [pid 7095] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7094] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7088] <... futex resumed>) = ? [pid 7087] <... exit_group resumed>) = ? [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7094] <... futex resumed>) = 0 [pid 7088] +++ exited with 0 +++ [pid 7087] +++ exited with 0 +++ [pid 7095] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... setsockopt resumed>) = 0 [pid 7095] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7094] <... futex resumed>) = 0 [pid 7095] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7094] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7094] <... futex resumed>) = 0 [pid 7095] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... setsockopt resumed>) = 0 [pid 7095] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7094] <... futex resumed>) = 0 [pid 7095] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7094] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7094] <... futex resumed>) = 0 [pid 7095] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... sendto resumed>) = 1 [pid 7095] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7094] <... futex resumed>) = 0 [pid 7095] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7094] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... sendto resumed>) = 1 [pid 7094] <... futex resumed>) = 0 [pid 7095] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... futex resumed>) = 0 [pid 7094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7095] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7094] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7094] <... futex resumed>) = 0 [pid 7095] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7094] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... openat resumed>) = 4 [pid 7095] write(4, "5", 1) = 1 [pid 7095] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7095] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7094] <... futex resumed>) = 0 [pid 7095] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7094] exit_group(0 [pid 7095] <... futex resumed>) = ? [pid 7094] <... exit_group resumed>) = ? [pid 7095] +++ exited with 0 +++ [pid 7094] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7094, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7096 ./strace-static-x86_64: Process 7096 attached [pid 7096] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7096] setpgid(0, 0) = 0 [pid 7096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7096] write(3, "1000", 4) = 4 [pid 7096] close(3) = 0 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7084] <... futex resumed>) = ? [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7087, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7096] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7096] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7097], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7097 [pid 7096] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7097 attached [pid 7097] set_robust_list(0x7fc1280c99e0, 24) = 0 [ 262.445425][ T7084] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 262.453423][ T7084] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 262.461416][ T7084] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 262.469751][ T7084] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 262.477757][ T7084] [ 262.485158][ T7091] CPU: 0 PID: 7091 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7097] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7097] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7097] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7096] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... setsockopt resumed>) = 0 [pid 7096] <... futex resumed>) = 0 [pid 7097] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... futex resumed>) = 0 [pid 7096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7097] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7096] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... setsockopt resumed>) = 0 [pid 7096] <... futex resumed>) = 0 [pid 7097] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... futex resumed>) = 0 [pid 7096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7097] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7096] <... futex resumed>) = 0 [pid 7097] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... setsockopt resumed>) = 0 [pid 7097] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7097] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7096] <... futex resumed>) = 0 [pid 7097] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7084] +++ exited with 0 +++ [pid 7079] +++ exited with 0 +++ [ 262.495705][ T7091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 262.505778][ T7091] Call Trace: [ 262.509072][ T7091] [ 262.512014][ T7091] dump_stack_lvl+0xcd/0x134 [ 262.516659][ T7091] should_fail.cold+0x5/0xa [ 262.521205][ T7091] get_futex_key+0x5b2/0x1c50 [ 262.525943][ T7091] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 262.531963][ T7091] ? futex_setup_timer+0xf0/0xf0 [ 262.536945][ T7091] futex_wake+0xe4/0x490 [ 262.541215][ T7091] ? futex_wake_mark+0x1a0/0x1a0 [ 262.546172][ T7091] ? ptrace_stop.part.0+0x5ec/0xa80 [ 262.551398][ T7091] ? do_raw_spin_lock+0x120/0x2a0 [ 262.556451][ T7091] ? rwlock_bug.part.0+0x90/0x90 [ 262.561415][ T7091] ? _raw_spin_lock_irq+0x41/0x50 [ 262.566470][ T7091] do_futex+0x266/0x300 [ 262.570641][ T7091] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 262.576546][ T7091] ? find_held_lock+0x2d/0x110 [ 262.581348][ T7091] __x64_sys_futex+0x1b0/0x4a0 [ 262.586144][ T7091] ? do_futex+0x300/0x300 [ 262.590496][ T7091] ? _raw_spin_unlock_irq+0x1f/0x40 [ 262.595726][ T7091] ? lockdep_hardirqs_on+0x79/0x100 [ 262.600946][ T7091] ? _raw_spin_unlock_irq+0x2a/0x40 [ 262.606161][ T7091] ? ptrace_notify+0xfa/0x140 [ 262.610880][ T7091] do_syscall_64+0x35/0xb0 [ 262.615326][ T7091] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 262.621259][ T7091] RIP: 0033:0x7fc128117db9 [ 262.625698][ T7091] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7097] <... sendto resumed>) = 1 [pid 7097] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7097] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7096] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... sendto resumed>) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7097] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... futex resumed>) = 0 [pid 7096] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7097] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7096] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... openat resumed>) = 4 [pid 7096] <... futex resumed>) = 0 [pid 7097] write(4, "5", 1 [pid 7096] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... write resumed>) = 1 [pid 7097] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7097] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7096] <... futex resumed>) = 0 [pid 7097] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7096] exit_group(0 [pid 7097] <... futex resumed>) = ? [pid 7096] <... exit_group resumed>) = ? [pid 7097] +++ exited with 0 +++ [pid 7096] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7079, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7096, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7098 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7099 ./strace-static-x86_64: Process 7098 attached [pid 7098] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7098] setpgid(0, 0) = 0 [pid 7098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7098] write(3, "1000", 4) = 4 [pid 7098] close(3) = 0 [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7098] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7098] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7100], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7100 [pid 7098] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7100 attached [pid 7100] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7100] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7100] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7098] <... futex resumed>) = 0 [pid 7100] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7098] <... futex resumed>) = 0 [pid 7100] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] <... setsockopt resumed>) = 0 [pid 7100] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7098] <... futex resumed>) = 0 [pid 7100] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7098] <... futex resumed>) = 0 [pid 7100] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] <... setsockopt resumed>) = 0 [pid 7100] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7098] <... futex resumed>) = 0 [pid 7100] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7098] <... futex resumed>) = 0 [pid 7100] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] <... setsockopt resumed>) = 0 [pid 7100] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7098] <... futex resumed>) = 0 [pid 7100] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7098] <... futex resumed>) = 0 [pid 7100] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] <... sendto resumed>) = 1 [pid 7100] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7098] <... futex resumed>) = 0 [pid 7100] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7098] <... futex resumed>) = 0 [pid 7100] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] <... sendto resumed>) = 1 [pid 7100] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7098] <... futex resumed>) = 0 [pid 7100] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7098] <... futex resumed>) = 0 [pid 7100] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7098] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7100] <... openat resumed>) = 4 [pid 7100] write(4, "5", 1) = 1 [pid 7100] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7100] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7098] <... futex resumed>) = 0 [pid 7100] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7098] exit_group(0 [pid 7100] <... futex resumed>) = ? [pid 7098] <... exit_group resumed>) = ? [pid 7100] +++ exited with 0 +++ [pid 7098] +++ exited with 0 +++ [pid 7080] +++ exited with 0 +++ [pid 7075] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7098, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7101 ./strace-static-x86_64: Process 7101 attached [pid 7101] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7101] setpgid(0, 0) = 0 [pid 7101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7101] write(3, "1000", 4) = 4 [pid 7101] close(3) = 0 ./strace-static-x86_64: Process 7099 attached [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7091] <... futex resumed>) = ? [pid 7101] <... futex resumed>) = 0 [ 262.645422][ T7091] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 262.653859][ T7091] RAX: ffffffffffffffda RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 262.661847][ T7091] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04bc [ 262.669835][ T7091] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 262.677817][ T7091] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 262.685807][ T7091] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 262.693802][ T7091] [pid 7101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7099] set_robust_list(0x5555564f35e0, 24 [pid 7101] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7099] <... set_robust_list resumed>) = 0 [pid 7101] <... mprotect resumed>) = 0 [pid 7099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7101] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7099] <... prctl resumed>) = 0 [pid 7099] setpgid(0, 0 [pid 7101] <... clone resumed>, parent_tid=[7102], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7102 [pid 7099] <... setpgid resumed>) = 0 [pid 7101] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7101] <... futex resumed>) = 0 [pid 7099] <... openat resumed>) = 3 [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7099] write(3, "1000", 4) = 4 [pid 7099] close(3) = 0 [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7099] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7099] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7103], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7103 ./strace-static-x86_64: Process 7102 attached [pid 7099] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] set_robust_list(0x7fc1280c99e0, 24 [pid 7099] <... futex resumed>) = 0 [pid 7102] <... set_robust_list resumed>) = 0 [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7102] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7102] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7101] <... futex resumed>) = 0 [pid 7102] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7101] <... futex resumed>) = 0 [pid 7102] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7103 attached [pid 7102] <... setsockopt resumed>) = 0 [pid 7103] set_robust_list(0x7fc1280c99e0, 24 [pid 7102] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... set_robust_list resumed>) = 0 [pid 7102] <... futex resumed>) = 1 [pid 7101] <... futex resumed>) = 0 [pid 7103] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [ 262.700675][ T7086] CPU: 0 PID: 7086 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 262.711224][ T7086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 262.721301][ T7086] Call Trace: [ 262.724601][ T7086] [ 262.727550][ T7086] dump_stack_lvl+0xcd/0x134 [ 262.732176][ T7086] should_fail.cold+0x5/0xa [ 262.736722][ T7086] get_futex_key+0x5b2/0x1c50 [ 262.741431][ T7086] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 262.747447][ T7086] ? futex_setup_timer+0xf0/0xf0 [ 262.752420][ T7086] futex_wake+0xe4/0x490 [ 262.756698][ T7086] ? futex_wake_mark+0x1a0/0x1a0 [ 262.761671][ T7086] ? ptrace_stop.part.0+0x5ec/0xa80 [ 262.766899][ T7086] ? do_raw_spin_lock+0x120/0x2a0 [ 262.772126][ T7086] ? rwlock_bug.part.0+0x90/0x90 [ 262.777087][ T7086] ? _raw_spin_lock_irq+0x41/0x50 [ 262.782144][ T7086] do_futex+0x266/0x300 [ 262.786336][ T7086] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 262.792253][ T7086] ? find_held_lock+0x2d/0x110 [ 262.797056][ T7086] __x64_sys_futex+0x1b0/0x4a0 [ 262.799845][ T7103] FAULT_INJECTION: forcing a failure. [ 262.799845][ T7103] name fail_futex, interval 1, probability 0, space 0, times 0 [ 262.801831][ T7086] ? do_futex+0x300/0x300 [ 262.819195][ T7086] ? _raw_spin_unlock_irq+0x1f/0x40 [ 262.824430][ T7086] ? lockdep_hardirqs_on+0x79/0x100 [ 262.829657][ T7086] ? _raw_spin_unlock_irq+0x2a/0x40 [ 262.834890][ T7086] ? ptrace_notify+0xfa/0x140 [ 262.839788][ T7086] do_syscall_64+0x35/0xb0 [ 262.844318][ T7086] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 262.850241][ T7086] RIP: 0033:0x7fc128117db9 [ 262.854679][ T7086] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 262.874311][ T7086] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 262.882752][ T7086] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 262.890753][ T7086] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7102] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... socket resumed>) = 3 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7101] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... futex resumed>) = 1 [pid 7102] <... setsockopt resumed>) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7102] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7102] <... futex resumed>) = 1 [pid 7101] <... futex resumed>) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7103] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7102] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... setsockopt resumed>) = 0 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7101] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... futex resumed>) = 1 [pid 7102] <... setsockopt resumed>) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7102] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7102] <... futex resumed>) = 1 [pid 7101] <... futex resumed>) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7103] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7102] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7101] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... futex resumed>) = 1 [pid 7102] <... sendto resumed>) = 1 [pid 7099] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7102] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7102] <... futex resumed>) = 1 [pid 7101] <... futex resumed>) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7103] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7102] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... setsockopt resumed>) = 0 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7101] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... futex resumed>) = 1 [pid 7102] <... sendto resumed>) = 1 [pid 7099] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7102] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7102] <... futex resumed>) = 1 [pid 7101] <... futex resumed>) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7103] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7102] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... sendto resumed>) = 1 [pid 7102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7101] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7101] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... futex resumed>) = 1 [pid 7102] <... openat resumed>) = 4 [pid 7099] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7102] write(4, "5", 1 [pid 7099] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7102] <... write resumed>) = 1 [pid 7099] <... futex resumed>) = 0 [pid 7103] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7102] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7102] <... setsockopt resumed>) = 0 [pid 7103] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7102] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = 1 [pid 7102] <... futex resumed>) = 1 [pid 7101] <... futex resumed>) = 0 [pid 7099] <... futex resumed>) = 0 [pid 7103] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7102] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] exit_group(0 [pid 7099] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7102] <... futex resumed>) = ? [pid 7101] <... exit_group resumed>) = ? [pid 7099] <... futex resumed>) = 0 [pid 7103] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7102] +++ exited with 0 +++ [pid 7101] +++ exited with 0 +++ [pid 7099] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7103] <... openat resumed>) = 4 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7101, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7103] write(4, "5", 1) = 1 [pid 7103] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7103] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7104 ./strace-static-x86_64: Process 7104 attached [pid 7104] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7104] setpgid(0, 0) = 0 [pid 7104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7104] write(3, "1000", 4) = 4 [pid 7104] close(3) = 0 [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7104] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7104] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7105], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7105 [pid 7104] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7105 attached [pid 7105] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7105] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7105] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7105] <... futex resumed>) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7099] exit_group(0 [pid 7105] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] <... exit_group resumed>) = ? [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... futex resumed>) = 0 [pid 7105] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7105] <... setsockopt resumed>) = 0 [pid 7105] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7105] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... futex resumed>) = 0 [pid 7105] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7105] <... setsockopt resumed>) = 0 [pid 7105] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7105] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... futex resumed>) = 0 [pid 7105] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7105] <... setsockopt resumed>) = 0 [pid 7105] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7105] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... futex resumed>) = 0 [pid 7105] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7105] <... sendto resumed>) = 1 [pid 7105] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7105] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... futex resumed>) = 0 [pid 7105] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7105] <... sendto resumed>) = 1 [pid 7105] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7105] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... futex resumed>) = 0 [pid 7105] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7104] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7105] <... openat resumed>) = 4 [pid 7105] write(4, "5", 1) = 1 [pid 7105] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7105] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7104] <... futex resumed>) = 0 [pid 7105] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] exit_group(0 [pid 7105] <... futex resumed>) = ? [pid 7104] <... exit_group resumed>) = ? [pid 7105] +++ exited with 0 +++ [pid 7104] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7091] +++ exited with 0 +++ [pid 7081] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7081, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7106 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7107 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7075, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [ 262.898758][ T7086] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 262.906754][ T7086] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 262.914747][ T7086] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 262.922758][ T7086] [ 262.927879][ T7103] CPU: 1 PID: 7103 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 262.938420][ T7103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 262.948475][ T7103] Call Trace: [ 262.951752][ T7103] [ 262.954680][ T7103] dump_stack_lvl+0xcd/0x134 [ 262.959286][ T7103] should_fail.cold+0x5/0xa [ 262.963811][ T7103] get_futex_key+0x5b2/0x1c50 [ 262.968490][ T7103] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 262.974482][ T7103] ? futex_setup_timer+0xf0/0xf0 [ 262.979426][ T7103] futex_wake+0xe4/0x490 [ 262.983673][ T7103] ? futex_wake_mark+0x1a0/0x1a0 [ 262.988616][ T7103] ? ptrace_stop.part.0+0x5ec/0xa80 [ 262.993819][ T7103] ? do_raw_spin_lock+0x120/0x2a0 [ 262.998844][ T7103] ? rwlock_bug.part.0+0x90/0x90 [ 263.003778][ T7103] ? _raw_spin_lock_irq+0x41/0x50 [ 263.008809][ T7103] do_futex+0x266/0x300 [ 263.012977][ T7103] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 263.018887][ T7103] ? find_held_lock+0x2d/0x110 [ 263.023673][ T7103] __x64_sys_futex+0x1b0/0x4a0 [ 263.028450][ T7103] ? do_futex+0x300/0x300 [ 263.032779][ T7103] ? _raw_spin_unlock_irq+0x1f/0x40 [ 263.037981][ T7103] ? lockdep_hardirqs_on+0x79/0x100 [ 263.043193][ T7103] ? _raw_spin_unlock_irq+0x2a/0x40 [ 263.048392][ T7103] ? ptrace_notify+0xfa/0x140 [ 263.053072][ T7103] do_syscall_64+0x35/0xb0 [ 263.057498][ T7103] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 263.063405][ T7103] RIP: 0033:0x7fc128117db9 [ 263.067821][ T7103] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 263.087445][ T7103] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 263.095870][ T7103] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7107 attached ./strace-static-x86_64: Process 7106 attached [pid 7107] set_robust_list(0x5555564f35e0, 24 [pid 7103] <... futex resumed>) = ? [pid 7086] <... futex resumed>) = ? [pid 7107] <... set_robust_list resumed>) = 0 [pid 7106] set_robust_list(0x5555564f35e0, 24 [pid 7086] +++ exited with 0 +++ [pid 7082] +++ exited with 0 +++ [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7108 [pid 7107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7106] <... set_robust_list resumed>) = 0 [pid 7107] <... prctl resumed>) = 0 [pid 7106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7109 [pid 7107] setpgid(0, 0 [pid 7106] <... prctl resumed>) = 0 [pid 7107] <... setpgid resumed>) = 0 [pid 7106] setpgid(0, 0 [pid 7107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7106] <... setpgid resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7082, si_uid=0, si_status=0, si_utime=0, si_stime=38} --- ./strace-static-x86_64: Process 7109 attached ./strace-static-x86_64: Process 7108 attached [pid 7107] <... openat resumed>) = 3 [pid 7106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7107] write(3, "1000", 4 [pid 7106] <... openat resumed>) = 3 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7108] set_robust_list(0x5555564f35e0, 24 [pid 7107] <... write resumed>) = 4 [pid 7106] write(3, "1000", 4 [pid 7107] close(3 [pid 7106] <... write resumed>) = 4 [pid 7107] <... close resumed>) = 0 [pid 7106] close(3 [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... close resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7110 [pid 7108] <... set_robust_list resumed>) = 0 [pid 7107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7106] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7110 attached [pid 7107] <... mmap resumed>) = 0x7fc1280a9000 [pid 7106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7110] set_robust_list(0x5555564f35e0, 24 [pid 7108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7107] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7106] <... mmap resumed>) = 0x7fc1280a9000 [pid 7110] <... set_robust_list resumed>) = 0 [pid 7109] set_robust_list(0x5555564f35e0, 24 [pid 7107] <... mprotect resumed>) = 0 [pid 7106] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7108] <... prctl resumed>) = 0 [pid 7110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7107] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7108] setpgid(0, 0 [pid 7110] <... prctl resumed>) = 0 [pid 7109] <... set_robust_list resumed>) = 0 [pid 7106] <... mprotect resumed>) = 0 [pid 7108] <... setpgid resumed>) = 0 [pid 7110] setpgid(0, 0 [pid 7107] <... clone resumed>, parent_tid=[7111], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7111 [pid 7106] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7110] <... setpgid resumed>) = 0 [pid 7109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7107] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7108] <... openat resumed>) = 3 [pid 7107] <... futex resumed>) = 0 [pid 7106] <... clone resumed>, parent_tid=[7112], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7112 [pid 7110] <... openat resumed>) = 3 [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] write(3, "1000", 4 [pid 7106] <... futex resumed>) = 0 [pid 7110] <... write resumed>) = 4 [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7110] close(3) = 0 [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7112 attached ./strace-static-x86_64: Process 7111 attached ) = 0x7fc1280a9000 [pid 7109] <... prctl resumed>) = 0 [pid 7108] write(3, "1000", 4 [pid 7103] +++ exited with 0 +++ [pid 7099] +++ exited with 0 +++ [pid 7111] set_robust_list(0x7fc1280c99e0, 24 [pid 7110] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7109] setpgid(0, 0 [pid 7108] <... write resumed>) = 4 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7099, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 7111] <... set_robust_list resumed>) = 0 [pid 7110] <... mprotect resumed>) = 0 [pid 7109] <... setpgid resumed>) = 0 [pid 7108] close(3 [pid 7110] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7108] <... close resumed>) = 0 [pid 7111] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7109] <... openat resumed>) = 3 [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... clone resumed>, parent_tid=[7113], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7113 [pid 7109] write(3, "1000", 4 [pid 7108] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7111] <... socket resumed>) = 3 ./strace-static-x86_64: Process 7113 attached [pid 7112] set_robust_list(0x7fc1280c99e0, 24 [pid 7110] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... write resumed>) = 4 [pid 7108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7110] <... futex resumed>) = 0 [pid 7112] <... set_robust_list resumed>) = 0 [pid 7111] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] close(3 [pid 7108] <... mmap resumed>) = 0x7fc1280a9000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7114 ./strace-static-x86_64: Process 7114 attached [pid 7113] set_robust_list(0x7fc1280c99e0, 24 [pid 7112] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7111] <... futex resumed>) = 1 [pid 7109] <... close resumed>) = 0 [pid 7108] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7107] <... futex resumed>) = 0 [pid 7112] <... socket resumed>) = 3 [pid 7111] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... mprotect resumed>) = 0 [pid 7107] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7109] <... futex resumed>) = 0 [pid 7108] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7107] <... futex resumed>) = 0 [pid 7112] <... futex resumed>) = 1 [pid 7111] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] <... futex resumed>) = 0 [pid 7112] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] <... setsockopt resumed>) = 0 [pid 7109] <... mmap resumed>) = 0x7fc1280a9000 [pid 7108] <... clone resumed>, parent_tid=[7115], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7115 [pid 7106] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7108] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] <... set_robust_list resumed>) = 0 [pid 7106] <... futex resumed>) = 0 [pid 7114] set_robust_list(0x5555564f35e0, 24./strace-static-x86_64: Process 7115 attached [ 263.103850][ T7103] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 263.111824][ T7103] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 263.119798][ T7103] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 263.127782][ T7103] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 263.135809][ T7103] ) = 0 [pid 7113] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7112] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7111] <... futex resumed>) = 1 [pid 7109] <... mprotect resumed>) = 0 [pid 7108] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7113] <... socket resumed>) = 3 [pid 7112] <... setsockopt resumed>) = 0 [pid 7115] set_robust_list(0x7fc1280c99e0, 24 [pid 7111] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7109] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] <... set_robust_list resumed>) = 0 [pid 7114] <... prctl resumed>) = 0 [pid 7113] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... setsockopt resumed>) = 0 [pid 7107] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7116 attached [pid 7115] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7114] setpgid(0, 0 [pid 7113] <... futex resumed>) = 1 [pid 7112] <... futex resumed>) = 1 [pid 7111] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... futex resumed>) = 0 [pid 7109] <... clone resumed>, parent_tid=[7116], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7116 [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] <... futex resumed>) = 0 [pid 7115] <... socket resumed>) = 3 [pid 7114] <... setpgid resumed>) = 0 [pid 7113] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7112] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] <... futex resumed>) = 0 [pid 7110] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7106] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] set_robust_list(0x7fc1280c99e0, 24 [pid 7115] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] <... futex resumed>) = 0 [pid 7109] <... futex resumed>) = 0 [pid 7107] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... futex resumed>) = 0 [pid 7116] <... set_robust_list resumed>) = 0 [pid 7115] <... futex resumed>) = 1 [pid 7114] <... openat resumed>) = 3 [pid 7113] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7112] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7115] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7114] write(3, "1000", 4 [pid 7113] <... setsockopt resumed>) = 0 [pid 7112] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7111] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7108] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] <... socket resumed>) = 3 [pid 7115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7114] <... write resumed>) = 4 [pid 7113] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... setsockopt resumed>) = 0 [pid 7108] <... futex resumed>) = 0 [pid 7116] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7114] close(3 [pid 7113] <... futex resumed>) = 1 [pid 7112] <... futex resumed>) = 1 [pid 7111] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... futex resumed>) = 0 [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 1 [pid 7115] <... setsockopt resumed>) = 0 [pid 7114] <... close resumed>) = 0 [pid 7113] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7112] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] <... futex resumed>) = 1 [pid 7110] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7106] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7115] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] <... futex resumed>) = 0 [pid 7109] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7115] <... futex resumed>) = 1 [pid 7114] <... futex resumed>) = 0 [pid 7113] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7112] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = 0 [pid 7108] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7115] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7113] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7112] <... setsockopt resumed>) = 0 [pid 7111] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] <... setsockopt resumed>) = 0 [pid 7115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7114] <... mmap resumed>) = 0x7fc1280a9000 [pid 7113] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = 0 [pid 7115] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7114] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7113] <... futex resumed>) = 1 [pid 7112] <... futex resumed>) = 1 [pid 7110] <... futex resumed>) = 0 [pid 7106] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 1 [pid 7115] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7114] <... mprotect resumed>) = 0 [pid 7113] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7112] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... futex resumed>) = 0 [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7115] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] <... sendto resumed>) = 1 [pid 7110] <... futex resumed>) = 0 [pid 7109] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7106] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7115] <... futex resumed>) = 0 [pid 7113] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7112] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7111] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = 0 [pid 7108] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7115] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7114] <... clone resumed>, parent_tid=[7117], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7117 [pid 7113] <... setsockopt resumed>) = 0 [pid 7112] <... sendto resumed>) = 1 [pid 7111] <... futex resumed>) = 1 [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... futex resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7116] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7115] <... setsockopt resumed>) = 0 [pid 7114] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] <... futex resumed>) = 0 [pid 7113] <... futex resumed>) = 1 [pid 7112] <... futex resumed>) = 1 [pid 7111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7110] <... futex resumed>) = 0 [pid 7108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7107] <... futex resumed>) = 0 [pid 7106] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7117 attached [pid 7116] <... futex resumed>) = 1 [pid 7115] <... futex resumed>) = 0 [pid 7114] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7113] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7112] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7110] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... futex resumed>) = 0 [pid 7108] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7115] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] <... sendto resumed>) = 1 [pid 7110] <... futex resumed>) = 0 [pid 7109] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = 0 [pid 7106] <... futex resumed>) = 0 [pid 7117] set_robust_list(0x7fc1280c99e0, 24 [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7115] <... sendto resumed>) = 1 [pid 7113] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7112] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7111] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = 0 [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] <... set_robust_list resumed>) = 0 [pid 7116] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7115] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7112] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7113] <... sendto resumed>) = 1 [pid 7117] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7116] <... setsockopt resumed>) = 0 [pid 7115] <... futex resumed>) = 0 [pid 7113] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... futex resumed>) = 1 [pid 7108] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] <... futex resumed>) = 0 [pid 7117] <... socket resumed>) = 3 [pid 7116] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7113] <... futex resumed>) = 1 [pid 7112] <... futex resumed>) = 1 [pid 7111] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] <... futex resumed>) = 0 [pid 7108] <... futex resumed>) = 0 [pid 7107] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... futex resumed>) = 0 [pid 7117] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... futex resumed>) = 1 [pid 7115] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7113] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7112] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7110] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... futex resumed>) = 0 [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] <... futex resumed>) = 0 [pid 7106] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... futex resumed>) = 1 [pid 7116] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7115] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] <... futex resumed>) = 0 [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7111] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7110] <... futex resumed>) = 0 [pid 7109] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7107] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] <... futex resumed>) = 0 [pid 7117] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7115] <... futex resumed>) = 0 [pid 7114] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7112] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7111] <... openat resumed>) = 4 [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = 0 [pid 7108] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7116] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7115] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7114] <... futex resumed>) = 0 [pid 7113] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7112] <... openat resumed>) = 4 [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... futex resumed>) = 0 [pid 7117] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7116] <... sendto resumed>) = 1 [pid 7115] <... openat resumed>) = 4 [pid 7114] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7113] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] write(4, "5", 1 [pid 7111] write(4, "5", 1 [pid 7108] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] <... setsockopt resumed>) = 0 [pid 7116] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7115] write(4, "5", 1 [pid 7113] <... futex resumed>) = 1 [pid 7112] <... write resumed>) = 1 [pid 7111] <... write resumed>) = 1 [pid 7110] <... futex resumed>) = 0 [pid 7117] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... futex resumed>) = 1 [pid 7115] <... write resumed>) = 1 [pid 7113] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7112] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7111] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7110] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... futex resumed>) = 0 [pid 7117] <... futex resumed>) = 1 [pid 7116] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7115] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7114] <... futex resumed>) = 0 [pid 7113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7112] <... setsockopt resumed>) = 0 [pid 7111] <... setsockopt resumed>) = 0 [pid 7110] <... futex resumed>) = 0 [pid 7109] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7115] <... setsockopt resumed>) = 0 [pid 7114] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7112] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = 0 [pid 7117] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7116] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7115] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] <... futex resumed>) = 0 [pid 7113] <... openat resumed>) = 4 [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7117] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7117] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7117] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7111] <... futex resumed>) = 1 [pid 7111] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7116] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7116] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7116] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7114] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7113] write(4, "5", 1 [pid 7107] <... futex resumed>) = 0 [ 263.260835][ T7112] FAULT_INJECTION: forcing a failure. [ 263.260835][ T7112] name fail_futex, interval 1, probability 0, space 0, times 0 [ 263.274868][ T7115] FAULT_INJECTION: forcing a failure. [ 263.274868][ T7115] name fail_futex, interval 1, probability 0, space 0, times 0 [ 263.276273][ T7112] CPU: 0 PID: 7112 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 263.298159][ T7112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 263.307465][ T7113] FAULT_INJECTION: forcing a failure. [ 263.307465][ T7113] name fail_futex, interval 1, probability 0, space 0, times 0 [ 263.308207][ T7112] Call Trace: [ 263.308216][ T7112] [ 263.308226][ T7112] dump_stack_lvl+0xcd/0x134 [ 263.331808][ T7112] should_fail.cold+0x5/0xa [ 263.336350][ T7112] get_futex_key+0x5b2/0x1c50 [ 263.341051][ T7112] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 263.347062][ T7112] ? futex_setup_timer+0xf0/0xf0 [ 263.352032][ T7112] futex_wake+0xe4/0x490 [ 263.356290][ T7112] ? futex_wake_mark+0x1a0/0x1a0 [ 263.361413][ T7112] ? ptrace_stop.part.0+0x5ec/0xa80 [ 263.366618][ T7112] ? do_raw_spin_lock+0x120/0x2a0 [ 263.371646][ T7112] ? rwlock_bug.part.0+0x90/0x90 [ 263.376584][ T7112] ? _raw_spin_lock_irq+0x41/0x50 [ 263.381646][ T7112] do_futex+0x266/0x300 [ 263.385817][ T7112] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 263.391726][ T7112] ? find_held_lock+0x2d/0x110 [ 263.396513][ T7112] __x64_sys_futex+0x1b0/0x4a0 [ 263.401293][ T7112] ? do_futex+0x300/0x300 [ 263.405637][ T7112] ? _raw_spin_unlock_irq+0x1f/0x40 [ 263.410842][ T7112] ? lockdep_hardirqs_on+0x79/0x100 [ 263.416065][ T7112] ? _raw_spin_unlock_irq+0x2a/0x40 [ 263.421290][ T7112] ? ptrace_notify+0xfa/0x140 [ 263.425971][ T7112] do_syscall_64+0x35/0xb0 [ 263.430392][ T7112] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 263.436289][ T7112] RIP: 0033:0x7fc128117db9 [ 263.440706][ T7112] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7113] <... write resumed>) = 1 [pid 7109] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7107] exit_group(0 [pid 7106] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7114] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7113] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7109] <... futex resumed>) = 1 [pid 7108] exit_group(0 [pid 7107] <... exit_group resumed>) = ? [pid 7106] exit_group(0 [pid 7114] <... futex resumed>) = 1 [pid 7113] <... setsockopt resumed>) = 0 [pid 7109] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... exit_group resumed>) = ? [pid 7106] <... exit_group resumed>) = ? [pid 7114] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7113] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7110] exit_group(0) = ? [pid 7109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7117] <... futex resumed>) = 0 [pid 7116] <... futex resumed>) = 0 [pid 7111] <... futex resumed>) = ? [pid 7114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 263.460316][ T7112] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 263.468742][ T7112] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 263.476711][ T7112] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 263.484693][ T7112] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 263.492665][ T7112] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 263.500634][ T7112] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 263.508618][ T7112] [ 263.516796][ T7113] CPU: 0 PID: 7113 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 263.525146][ T7116] FAULT_INJECTION: forcing a failure. [ 263.525146][ T7116] name fail_futex, interval 1, probability 0, space 0, times 0 [ 263.527336][ T7113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 263.550238][ T7113] Call Trace: [ 263.553529][ T7113] [ 263.556482][ T7113] dump_stack_lvl+0xcd/0x134 [ 263.561101][ T7113] should_fail.cold+0x5/0xa [ 263.565629][ T7113] get_futex_key+0x5b2/0x1c50 [ 263.570313][ T7113] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 263.576308][ T7113] ? futex_setup_timer+0xf0/0xf0 [ 263.581274][ T7113] futex_wake+0xe4/0x490 [ 263.585544][ T7113] ? futex_wake_mark+0x1a0/0x1a0 [ 263.590592][ T7113] ? ptrace_stop.part.0+0x5ec/0xa80 [ 263.595819][ T7113] ? do_raw_spin_lock+0x120/0x2a0 [ 263.600863][ T7113] ? rwlock_bug.part.0+0x90/0x90 [ 263.605812][ T7113] ? _raw_spin_lock_irq+0x41/0x50 [ 263.610853][ T7113] do_futex+0x266/0x300 [ 263.615033][ T7113] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 263.620958][ T7113] ? find_held_lock+0x2d/0x110 [ 263.625750][ T7113] __x64_sys_futex+0x1b0/0x4a0 [ 263.630540][ T7113] ? do_futex+0x300/0x300 [ 263.634881][ T7113] ? _raw_spin_unlock_irq+0x1f/0x40 [ 263.640109][ T7113] ? lockdep_hardirqs_on+0x79/0x100 [ 263.645319][ T7113] ? _raw_spin_unlock_irq+0x2a/0x40 [ 263.650545][ T7113] ? ptrace_notify+0xfa/0x140 [ 263.655243][ T7113] do_syscall_64+0x35/0xb0 [ 263.659681][ T7113] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 263.665601][ T7113] RIP: 0033:0x7fc128117db9 [ 263.670033][ T7113] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 263.689664][ T7113] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 263.698099][ T7113] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 263.706085][ T7113] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7117] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7116] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7114] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] +++ exited with 0 +++ [pid 7107] +++ exited with 0 +++ [pid 7117] <... setsockopt resumed>) = 0 [pid 7116] <... openat resumed>) = 4 [pid 7117] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] write(4, "5", 1 [pid 7117] <... futex resumed>) = 0 [pid 7116] <... write resumed>) = 1 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7107, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7117] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7116] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7116] <... setsockopt resumed>) = 0 [pid 7116] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7118 [pid 7109] exit_group(0) = ? ./strace-static-x86_64: Process 7118 attached [pid 7114] <... futex resumed>) = 0 [pid 7113] <... futex resumed>) = ? [pid 7112] <... futex resumed>) = ? [ 263.714062][ T7113] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 263.722043][ T7113] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 263.730029][ T7113] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 263.738031][ T7113] [ 263.742389][ T7116] CPU: 0 PID: 7116 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 263.752935][ T7116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 263.763015][ T7116] Call Trace: [pid 7118] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7118] setpgid(0, 0) = 0 [pid 7118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 263.766309][ T7116] [ 263.769262][ T7116] dump_stack_lvl+0xcd/0x134 [ 263.773878][ T7116] should_fail.cold+0x5/0xa [ 263.778403][ T7116] get_futex_key+0x5b2/0x1c50 [ 263.783097][ T7116] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 263.789102][ T7116] ? futex_setup_timer+0xf0/0xf0 [ 263.794085][ T7116] futex_wake+0xe4/0x490 [ 263.798364][ T7116] ? futex_wake_mark+0x1a0/0x1a0 [ 263.803332][ T7116] ? ptrace_stop.part.0+0x5ec/0xa80 [ 263.808551][ T7116] ? do_raw_spin_lock+0x120/0x2a0 [pid 7118] write(3, "1000", 4) = 4 [pid 7118] close(3) = 0 [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7118] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7118] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7119], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7119 [pid 7118] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 263.813587][ T7116] ? rwlock_bug.part.0+0x90/0x90 [ 263.818541][ T7116] ? _raw_spin_lock_irq+0x41/0x50 [ 263.823603][ T7116] do_futex+0x266/0x300 [ 263.827790][ T7116] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 263.833712][ T7116] ? find_held_lock+0x2d/0x110 [ 263.838516][ T7116] __x64_sys_futex+0x1b0/0x4a0 [ 263.843315][ T7116] ? do_futex+0x300/0x300 [ 263.847672][ T7116] ? _raw_spin_unlock_irq+0x1f/0x40 [ 263.852896][ T7116] ? lockdep_hardirqs_on+0x79/0x100 [ 263.858117][ T7116] ? _raw_spin_unlock_irq+0x2a/0x40 [ 263.863351][ T7116] ? ptrace_notify+0xfa/0x140 [ 263.868060][ T7116] do_syscall_64+0x35/0xb0 [ 263.872515][ T7116] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 263.878428][ T7116] RIP: 0033:0x7fc128117db9 [ 263.882855][ T7116] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 263.902485][ T7116] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7119 attached [pid 7119] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7119] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7119] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7118] <... futex resumed>) = 0 [pid 7119] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = 0 [pid 7119] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... setsockopt resumed>) = 0 [pid 7119] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7118] <... futex resumed>) = 0 [pid 7119] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = 0 [pid 7119] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... setsockopt resumed>) = 0 [pid 7119] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7118] <... futex resumed>) = 0 [pid 7119] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = 0 [pid 7119] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... setsockopt resumed>) = 0 [pid 7119] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7118] <... futex resumed>) = 0 [pid 7114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7119] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] <... mmap resumed>) = 0x7fc128088000 [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = 0 [pid 7114] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7119] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7114] <... mprotect resumed>) = 0 [pid 7119] <... sendto resumed>) = 1 [pid 7114] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7119] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7118] <... futex resumed>) = 0 [pid 7114] <... clone resumed>, parent_tid=[7120], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7120 [pid 7119] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = 0 [pid 7114] <... futex resumed>) = 0 [pid 7119] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7114] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... sendto resumed>) = 1 [pid 7119] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7118] <... futex resumed>) = 0 [pid 7119] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... futex resumed>) = 0 [pid 7119] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7118] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... openat resumed>) = 4 [pid 7119] write(4, "5", 1) = 1 [pid 7119] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7119] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7118] <... futex resumed>) = 0 [pid 7119] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7118] exit_group(0 [pid 7119] <... futex resumed>) = ? [pid 7118] <... exit_group resumed>) = ? [pid 7119] +++ exited with 0 +++ [pid 7118] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7118, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7121 ./strace-static-x86_64: Process 7121 attached [pid 7121] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7121] setpgid(0, 0) = 0 [pid 7121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7121] write(3, "1000", 4) = 4 [pid 7121] close(3) = 0 [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7121] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7121] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7122], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7122 [pid 7121] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7114] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7114] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7117] <... futex resumed>) = 0 [pid 7114] <... futex resumed>) = 1 [pid 7117] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7114] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7122 attached [pid 7117] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 7122] set_robust_list(0x7fc1280c99e0, 24 [pid 7117] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=7114, si_uid=0} --- [pid 7122] <... set_robust_list resumed>) = 0 [pid 7114] <... futex resumed>) = ? [pid 7122] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7117] +++ killed by SIGPIPE +++ [pid 7122] <... socket resumed>) = 3 [pid 7122] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7121] <... futex resumed>) = 0 [pid 7122] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... futex resumed>) = 0 [pid 7122] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7122] <... setsockopt resumed>) = 0 [pid 7122] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7121] <... futex resumed>) = 0 [pid 7122] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... futex resumed>) = 0 [pid 7122] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7122] <... setsockopt resumed>) = 0 [pid 7122] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7121] <... futex resumed>) = 0 [pid 7122] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... futex resumed>) = 0 [pid 7122] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7122] <... setsockopt resumed>) = 0 [pid 7122] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7121] <... futex resumed>) = 0 [pid 7122] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... futex resumed>) = 0 [pid 7113] +++ exited with 0 +++ [pid 7110] +++ exited with 0 +++ ./strace-static-x86_64: Process 7120 attached [pid 7122] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [ 263.910962][ T7116] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 263.918965][ T7116] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 263.927049][ T7116] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 263.935037][ T7116] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 263.943032][ T7116] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 263.951046][ T7116] [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] <... futex resumed>) = ? [pid 7112] +++ exited with 0 +++ [pid 7106] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7110, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7122] <... sendto resumed>) = 1 [pid 7122] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7106, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7122] <... futex resumed>) = 1 [pid 7121] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7122] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7123 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7124 [pid 7122] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7122] <... sendto resumed>) = 1 [pid 7122] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7121] <... futex resumed>) = 0 [pid 7122] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... futex resumed>) = 0 [pid 7122] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7121] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7122] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7123 attached [pid 7122] write(4, "5", 1 [pid 7123] set_robust_list(0x5555564f35e0, 24 [pid 7122] <... write resumed>) = 1 [pid 7123] <... set_robust_list resumed>) = 0 [ 263.960381][ T7115] CPU: 0 PID: 7115 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 263.970932][ T7115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 263.981098][ T7115] Call Trace: [ 263.984394][ T7115] [ 263.987349][ T7115] dump_stack_lvl+0xcd/0x134 [ 263.991970][ T7115] should_fail.cold+0x5/0xa [ 263.996519][ T7115] get_futex_key+0x5b2/0x1c50 [ 264.001224][ T7115] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 264.007249][ T7115] ? futex_setup_timer+0xf0/0xf0 [ 264.012229][ T7115] futex_wake+0xe4/0x490 [ 264.016507][ T7115] ? futex_wake_mark+0x1a0/0x1a0 [ 264.021474][ T7115] ? ptrace_stop.part.0+0x5ec/0xa80 [ 264.026709][ T7115] ? do_raw_spin_lock+0x120/0x2a0 [ 264.031764][ T7115] ? rwlock_bug.part.0+0x90/0x90 [ 264.036728][ T7115] ? _raw_spin_lock_irq+0x41/0x50 [ 264.041788][ T7115] do_futex+0x266/0x300 [ 264.045977][ T7115] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 264.051904][ T7115] ? find_held_lock+0x2d/0x110 [ 264.056724][ T7115] __x64_sys_futex+0x1b0/0x4a0 [ 264.061527][ T7115] ? do_futex+0x300/0x300 [ 264.065881][ T7115] ? _raw_spin_unlock_irq+0x1f/0x40 [ 264.071109][ T7115] ? lockdep_hardirqs_on+0x79/0x100 [ 264.076338][ T7115] ? _raw_spin_unlock_irq+0x2a/0x40 [ 264.081565][ T7115] ? ptrace_notify+0xfa/0x140 [ 264.086284][ T7115] do_syscall_64+0x35/0xb0 [ 264.090728][ T7115] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 264.096774][ T7115] RIP: 0033:0x7fc128117db9 [pid 7122] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7122] <... setsockopt resumed>) = 0 [pid 7123] <... prctl resumed>) = 0 [pid 7122] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] setpgid(0, 0 [pid 7122] <... futex resumed>) = 1 [pid 7121] <... futex resumed>) = 0 [pid 7123] <... setpgid resumed>) = 0 [pid 7122] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] exit_group(0 [ 264.101210][ T7115] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 264.115764][ T7127] FAULT_INJECTION: forcing a failure. [ 264.115764][ T7127] name fail_futex, interval 1, probability 0, space 0, times 0 [ 264.120911][ T7115] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 264.142122][ T7115] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 264.150127][ T7115] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 264.158137][ T7115] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7122] <... futex resumed>) = ? [pid 7121] <... exit_group resumed>) = ? [pid 7123] <... openat resumed>) = 3 [pid 7122] +++ exited with 0 +++ [pid 7121] +++ exited with 0 +++ [pid 7123] write(3, "1000", 4 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7121, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7123] <... write resumed>) = 4 [pid 7123] close(3) = 0 [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7123] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7125 [pid 7123] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7126], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7126 [pid 7123] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7125 attached [pid 7125] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7125] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 7126 attached [pid 7125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7126] set_robust_list(0x7fc1280c99e0, 24 [pid 7125] <... openat resumed>) = 3 [pid 7126] <... set_robust_list resumed>) = 0 [pid 7125] write(3, "1000", 4 [pid 7126] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7125] <... write resumed>) = 4 [pid 7126] <... socket resumed>) = 3 [pid 7125] close(3 [pid 7126] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... close resumed>) = 0 [pid 7126] <... futex resumed>) = 1 [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] <... futex resumed>) = 0 [pid 7126] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] <... futex resumed>) = 0 [pid 7123] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7123] <... futex resumed>) = 0 [pid 7126] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7125] <... mmap resumed>) = 0x7fc1280a9000 [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7126] <... setsockopt resumed>) = 0 [pid 7125] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7126] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... mprotect resumed>) = 0 [pid 7126] <... futex resumed>) = 1 [pid 7125] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7123] <... futex resumed>) = 0 [pid 7126] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7123] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7125] <... clone resumed>, parent_tid=[7127], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7127 [pid 7123] <... futex resumed>) = 0 [pid 7126] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7125] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7126] <... setsockopt resumed>) = 0 [pid 7125] <... futex resumed>) = 0 [pid 7126] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7126] <... futex resumed>) = 1 [pid 7123] <... futex resumed>) = 0 [pid 7126] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7123] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7123] <... futex resumed>) = 0 [pid 7126] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7127 attached [pid 7126] <... setsockopt resumed>) = 0 [pid 7127] set_robust_list(0x7fc1280c99e0, 24 [pid 7126] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... set_robust_list resumed>) = 0 [pid 7126] <... futex resumed>) = 1 [pid 7123] <... futex resumed>) = 0 [pid 7127] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7126] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7123] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... socket resumed>) = 3 [pid 7126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7123] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7127] <... futex resumed>) = 1 [pid 7126] <... sendto resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7126] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7126] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7123] <... futex resumed>) = 0 [pid 7127] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7126] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7123] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... setsockopt resumed>) = 0 [pid 7126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7123] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7127] <... futex resumed>) = 1 [pid 7126] <... sendto resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7126] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7126] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7123] <... futex resumed>) = 0 [pid 7127] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7126] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7123] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7123] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7123] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7127] <... futex resumed>) = 1 [pid 7126] <... openat resumed>) = 4 [pid 7125] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7126] write(4, "5", 1 [pid 7125] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7126] <... write resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7127] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7126] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7127] <... setsockopt resumed>) = 0 [pid 7126] <... setsockopt resumed>) = 0 [pid 7127] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7126] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = 1 [pid 7126] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7123] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7126] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] exit_group(0 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7126] <... futex resumed>) = ? [pid 7125] <... futex resumed>) = 0 [pid 7123] <... exit_group resumed>) = ? [pid 7127] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7126] +++ exited with 0 +++ [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7123] +++ exited with 0 +++ [pid 7127] <... sendto resumed>) = 1 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7123, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7127] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7125] <... futex resumed>) = 0 [pid 7127] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7127] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7127] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7127] <... futex resumed>) = 1 [pid 7125] <... futex resumed>) = 0 [pid 7127] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7125] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7128 [pid 7127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7125] <... futex resumed>) = 0 [pid 7127] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7125] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7127] <... openat resumed>) = 4 [pid 7127] write(4, "5", 1) = 1 [pid 7127] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 ./strace-static-x86_64: Process 7128 attached [pid 7127] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] set_robust_list(0x5555564f35e0, 24 [pid 7120] +++ killed by SIGPIPE +++ [pid 7114] +++ killed by SIGPIPE +++ [pid 7128] <... set_robust_list resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7114, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=1} --- [pid 7128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7128] setpgid(0, 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7128] <... setpgid resumed>) = 0 [pid 7128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7129 [pid 7128] <... openat resumed>) = 3 [pid 7128] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 7129 attached [pid 7128] close(3 [pid 7129] set_robust_list(0x5555564f35e0, 24 [pid 7128] <... close resumed>) = 0 [pid 7129] <... set_robust_list resumed>) = 0 [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7128] <... futex resumed>) = 0 [pid 7129] <... prctl resumed>) = 0 [pid 7128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7129] setpgid(0, 0 [pid 7128] <... mmap resumed>) = 0x7fc1280a9000 [pid 7129] <... setpgid resumed>) = 0 [pid 7128] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7128] <... mprotect resumed>) = 0 [pid 7129] <... openat resumed>) = 3 [pid 7128] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7129] write(3, "1000", 4) = 4 [pid 7128] <... clone resumed>, parent_tid=[7130], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7130 [pid 7129] close(3 [pid 7128] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] <... close resumed>) = 0 [pid 7128] <... futex resumed>) = 0 [pid 7125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7125] exit_group(0 [pid 7129] <... futex resumed>) = 0 [pid 7125] <... exit_group resumed>) = ? [pid 7129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7129] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7129] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7131], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7131 [pid 7129] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7131 attached [pid 7131] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7131] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7131] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7129] <... futex resumed>) = 0 [pid 7131] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7129] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7129] <... futex resumed>) = 0 [pid 7116] +++ exited with 0 +++ [pid 7109] +++ exited with 0 +++ ./strace-static-x86_64: Process 7130 attached ./strace-static-x86_64: Process 7124 attached [pid 7131] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7115] <... futex resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7109, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 7131] <... setsockopt resumed>) = 0 [pid 7130] set_robust_list(0x7fc1280c99e0, 24 [pid 7124] set_robust_list(0x5555564f35e0, 24 [pid 7131] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... set_robust_list resumed>) = 0 [pid 7124] <... set_robust_list resumed>) = 0 [pid 7131] <... futex resumed>) = 1 [pid 7130] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7129] <... futex resumed>) = 0 [pid 7124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7131] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... socket resumed>) = 3 [pid 7129] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] <... prctl resumed>) = 0 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] <... futex resumed>) = 0 [pid 7124] setpgid(0, 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7132 [pid 7131] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7130] <... futex resumed>) = 1 [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... futex resumed>) = 0 [pid 7124] <... setpgid resumed>) = 0 [pid 7131] <... setsockopt resumed>) = 0 [pid 7130] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7131] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] <... futex resumed>) = 0 [pid 7124] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7132 attached [pid 7131] <... futex resumed>) = 1 [pid 7130] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7129] <... futex resumed>) = 0 [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] write(3, "1000", 4 [pid 7132] set_robust_list(0x5555564f35e0, 24 [pid 7131] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... setsockopt resumed>) = 0 [pid 7129] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] <... write resumed>) = 4 [pid 7132] <... set_robust_list resumed>) = 0 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] <... futex resumed>) = 0 [pid 7124] close(3 [pid 7132] prctl(PR_SET_PDEATHSIG, SIGKILL [ 264.166133][ T7115] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 264.174135][ T7115] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 264.182181][ T7115] [ 264.189897][ T7127] CPU: 0 PID: 7127 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 264.200443][ T7127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 264.210522][ T7127] Call Trace: [ 264.213825][ T7127] [pid 7131] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7130] <... futex resumed>) = 1 [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... futex resumed>) = 0 [pid 7124] <... close resumed>) = 0 [pid 7132] <... prctl resumed>) = 0 [pid 7131] <... setsockopt resumed>) = 0 [pid 7130] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] setpgid(0, 0 [pid 7131] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [ 264.216789][ T7127] dump_stack_lvl+0xcd/0x134 [ 264.221420][ T7127] should_fail.cold+0x5/0xa [ 264.225965][ T7127] get_futex_key+0x5b2/0x1c50 [ 264.230674][ T7127] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 264.236692][ T7127] ? futex_setup_timer+0xf0/0xf0 [ 264.241673][ T7127] futex_wake+0xe4/0x490 [ 264.245957][ T7127] ? futex_wake_mark+0x1a0/0x1a0 [ 264.250928][ T7127] ? ptrace_stop.part.0+0x5ec/0xa80 [ 264.256165][ T7127] ? do_raw_spin_lock+0x120/0x2a0 [ 264.261220][ T7127] ? rwlock_bug.part.0+0x90/0x90 [ 264.266219][ T7127] ? _raw_spin_lock_irq+0x41/0x50 [ 264.271283][ T7127] do_futex+0x266/0x300 [ 264.275470][ T7127] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 264.281394][ T7127] ? find_held_lock+0x2d/0x110 [ 264.286198][ T7127] __x64_sys_futex+0x1b0/0x4a0 [ 264.290995][ T7127] ? do_futex+0x300/0x300 [ 264.295349][ T7127] ? _raw_spin_unlock_irq+0x1f/0x40 [ 264.300579][ T7127] ? lockdep_hardirqs_on+0x79/0x100 [ 264.301935][ T7130] FAULT_INJECTION: forcing a failure. [ 264.301935][ T7130] name fail_futex, interval 1, probability 0, space 0, times 0 [ 264.305789][ T7127] ? _raw_spin_unlock_irq+0x2a/0x40 [ 264.305820][ T7127] ? ptrace_notify+0xfa/0x140 [ 264.305849][ T7127] do_syscall_64+0x35/0xb0 [ 264.332927][ T7127] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 264.338859][ T7127] RIP: 0033:0x7fc128117db9 [ 264.343313][ T7127] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7132] <... setpgid resumed>) = 0 [pid 7131] <... futex resumed>) = 1 [pid 7130] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7129] <... futex resumed>) = 0 [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7131] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7129] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] <... mmap resumed>) = 0x7fc1280a9000 [pid 7132] <... openat resumed>) = 3 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] <... futex resumed>) = 0 [pid 7124] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7132] write(3, "1000", 4 [pid 7131] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7130] <... futex resumed>) = 1 [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... futex resumed>) = 0 [pid 7124] <... mprotect resumed>) = 0 [pid 7132] <... write resumed>) = 4 [pid 7131] <... sendto resumed>) = 1 [pid 7130] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7132] close(3 [pid 7131] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] <... futex resumed>) = 0 [pid 7132] <... close resumed>) = 0 [pid 7131] <... futex resumed>) = 1 [pid 7130] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7129] <... futex resumed>) = 0 [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] <... clone resumed>, parent_tid=[7133], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7133 [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... setsockopt resumed>) = 0 [pid 7129] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] <... futex resumed>) = 0 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7133 attached [pid 7132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7131] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7130] <... futex resumed>) = 1 [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... futex resumed>) = 0 [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] set_robust_list(0x7fc1280c99e0, 24 [pid 7132] <... mmap resumed>) = 0x7fc1280a9000 [pid 7131] <... sendto resumed>) = 1 [pid 7130] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... set_robust_list resumed>) = 0 [pid 7132] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7131] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] <... futex resumed>) = 0 [pid 7133] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7132] <... mprotect resumed>) = 0 [pid 7131] <... futex resumed>) = 1 [pid 7130] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7129] <... futex resumed>) = 0 [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] <... socket resumed>) = 3 [pid 7132] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7131] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... sendto resumed>) = 1 [pid 7129] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7129] <... futex resumed>) = 0 [pid 7133] <... futex resumed>) = 1 [pid 7132] <... clone resumed>, parent_tid=[7134], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7134 [pid 7131] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7130] <... futex resumed>) = 1 [pid 7129] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7133] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7132] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... openat resumed>) = 4 [pid 7130] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7134 attached [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7131] write(4, "5", 1 [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7134] set_robust_list(0x7fc1280c99e0, 24 [pid 7133] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] <... write resumed>) = 1 [pid 7130] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7134] <... set_robust_list resumed>) = 0 [pid 7133] <... setsockopt resumed>) = 0 [pid 7131] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7130] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7134] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7133] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... setsockopt resumed>) = 0 [pid 7130] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... socket resumed>) = 3 [pid 7133] <... futex resumed>) = 1 [pid 7131] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] <... futex resumed>) = 1 [pid 7128] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7134] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7131] <... futex resumed>) = 1 [pid 7130] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7129] <... futex resumed>) = 0 [pid 7128] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7131] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7129] exit_group(0 [pid 7128] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7134] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7132] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] <... futex resumed>) = ? [pid 7130] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7129] <... exit_group resumed>) = ? [pid 7128] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7132] <... futex resumed>) = 0 [pid 7131] +++ exited with 0 +++ [pid 7130] <... openat resumed>) = 4 [pid 7129] +++ exited with 0 +++ [pid 7134] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7133] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] write(4, "5", 1 [pid 7134] <... setsockopt resumed>) = 0 [pid 7133] <... futex resumed>) = 1 [pid 7130] <... write resumed>) = 1 [pid 7124] <... futex resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7129, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7134] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7130] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7124] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7134] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7130] <... setsockopt resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7134] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7132] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7135 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... setsockopt resumed>) = 0 [pid 7132] <... futex resumed>) = 0 [pid 7134] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7133] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7134] <... setsockopt resumed>) = 0 [pid 7133] <... futex resumed>) = 1 [pid 7124] <... futex resumed>) = 0 [pid 7134] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7124] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7135 attached [pid 7134] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7135] set_robust_list(0x5555564f35e0, 24 [pid 7134] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7132] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7135] <... set_robust_list resumed>) = 0 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... sendto resumed>) = 1 [pid 7132] <... futex resumed>) = 0 [pid 7135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7134] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7133] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7135] <... prctl resumed>) = 0 [pid 7134] <... setsockopt resumed>) = 0 [pid 7133] <... futex resumed>) = 1 [pid 7124] <... futex resumed>) = 0 [pid 7135] setpgid(0, 0 [pid 7134] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7124] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... setpgid resumed>) = 0 [pid 7134] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7134] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7132] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7135] <... openat resumed>) = 3 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7132] <... futex resumed>) = 0 [pid 7128] exit_group(0 [pid 7135] write(3, "1000", 4 [pid 7134] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7133] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7128] <... exit_group resumed>) = ? [pid 7135] <... write resumed>) = 4 [pid 7134] <... sendto resumed>) = 1 [pid 7133] <... futex resumed>) = 1 [pid 7124] <... futex resumed>) = 0 [pid 7135] close(3 [pid 7134] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7124] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... close resumed>) = 0 [pid 7134] <... futex resumed>) = 1 [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = 0 [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7132] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7135] <... futex resumed>) = 0 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... openat resumed>) = 4 [pid 7132] <... futex resumed>) = 0 [pid 7135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7134] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7133] write(4, "5", 1 [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7135] <... mmap resumed>) = 0x7fc1280a9000 [pid 7134] <... sendto resumed>) = 1 [pid 7133] <... write resumed>) = 1 [pid 7135] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7134] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7135] <... mprotect resumed>) = 0 [pid 7134] <... futex resumed>) = 1 [pid 7133] <... setsockopt resumed>) = 0 [pid 7132] <... futex resumed>) = 0 [pid 7135] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 264.362977][ T7127] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 264.371417][ T7127] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 264.379410][ T7127] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 264.383587][ T7133] FAULT_INJECTION: forcing a failure. [ 264.383587][ T7133] name fail_futex, interval 1, probability 0, space 0, times 0 [ 264.387385][ T7127] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 264.387404][ T7127] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7134] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... futex resumed>) = 0 [pid 7124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7115] +++ exited with 0 +++ [pid 7108] +++ exited with 0 +++ [pid 7135] <... clone resumed>, parent_tid=[7136], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7136 [pid 7134] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7132] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7124] exit_group(0 [pid 7135] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... openat resumed>) = 4 [pid 7124] <... exit_group resumed>) = ? [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7108, si_uid=0, si_status=0, si_utime=0, si_stime=38} --- ./strace-static-x86_64: Process 7136 attached [pid 7135] <... futex resumed>) = 0 [pid 7134] write(4, "5", 1 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7136] set_robust_list(0x7fc1280c99e0, 24 [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7134] <... write resumed>) = 1 [pid 7136] <... set_robust_list resumed>) = 0 [pid 7134] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7137 [pid 7136] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7134] <... setsockopt resumed>) = 0 [pid 7136] <... socket resumed>) = 3 [pid 7134] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... futex resumed>) = 1 [pid 7132] <... futex resumed>) = 0 [pid 7136] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7134] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7132] exit_group(0 [pid 7136] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7134] <... futex resumed>) = ? [pid 7132] <... exit_group resumed>) = ? [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] <... futex resumed>) = 0 [pid 7134] +++ exited with 0 +++ [pid 7132] +++ exited with 0 +++ [pid 7136] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7132, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7136] <... setsockopt resumed>) = 0 [pid 7136] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7136] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] <... futex resumed>) = 0 [pid 7136] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] <... setsockopt resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7136] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7135] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7138 [pid 7136] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] <... futex resumed>) = 0 [pid 7136] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 7138 attached [pid 7136] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] set_robust_list(0x5555564f35e0, 24 [pid 7136] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7138] <... set_robust_list resumed>) = 0 [ 264.387418][ T7127] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 264.387448][ T7127] [ 264.416745][ T7130] CPU: 0 PID: 7130 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 264.438348][ T7130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 264.448433][ T7130] Call Trace: [ 264.451751][ T7130] [ 264.454750][ T7130] dump_stack_lvl+0xcd/0x134 [ 264.459390][ T7130] should_fail.cold+0x5/0xa [ 264.464126][ T7130] get_futex_key+0x5b2/0x1c50 [ 264.468837][ T7130] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 264.474852][ T7130] ? futex_setup_timer+0xf0/0xf0 [ 264.479831][ T7130] futex_wake+0xe4/0x490 [ 264.484109][ T7130] ? futex_wake_mark+0x1a0/0x1a0 [ 264.489078][ T7130] ? ptrace_stop.part.0+0x5ec/0xa80 [ 264.494307][ T7130] ? do_raw_spin_lock+0x120/0x2a0 [ 264.499361][ T7130] ? rwlock_bug.part.0+0x90/0x90 [ 264.504325][ T7130] ? _raw_spin_lock_irq+0x41/0x50 [ 264.509475][ T7130] do_futex+0x266/0x300 [ 264.513660][ T7130] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 264.519583][ T7130] ? find_held_lock+0x2d/0x110 [ 264.524391][ T7130] __x64_sys_futex+0x1b0/0x4a0 [ 264.529194][ T7130] ? do_futex+0x300/0x300 [ 264.533549][ T7130] ? _raw_spin_unlock_irq+0x1f/0x40 [ 264.538778][ T7130] ? lockdep_hardirqs_on+0x79/0x100 [ 264.543992][ T7130] ? _raw_spin_unlock_irq+0x2a/0x40 [ 264.549218][ T7130] ? ptrace_notify+0xfa/0x140 [ 264.553927][ T7130] do_syscall_64+0x35/0xb0 [ 264.558367][ T7130] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 264.564289][ T7130] RIP: 0033:0x7fc128117db9 [ 264.568727][ T7130] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 264.588402][ T7130] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 264.596834][ T7130] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 264.604804][ T7130] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 264.612776][ T7130] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7136] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] <... futex resumed>) = 0 [pid 7138] <... prctl resumed>) = 0 [pid 7136] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7138] setpgid(0, 0 [pid 7136] <... sendto resumed>) = 1 [pid 7138] <... setpgid resumed>) = 0 [pid 7136] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7136] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7138] <... openat resumed>) = 3 [pid 7136] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] write(3, "1000", 4 [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] <... futex resumed>) = 0 [pid 7138] <... write resumed>) = 4 [pid 7136] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7138] close(3 [pid 7136] <... sendto resumed>) = 1 [pid 7138] <... close resumed>) = 0 [pid 7136] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7138] <... futex resumed>) = 0 [pid 7136] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7136] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] <... futex resumed>) = 0 [pid 7138] <... mmap resumed>) = 0x7fc1280a9000 [pid 7136] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7135] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7138] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7136] <... openat resumed>) = 4 [pid 7138] <... mprotect resumed>) = 0 [pid 7136] write(4, "5", 1 [pid 7138] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7136] <... write resumed>) = 1 [pid 7136] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7138] <... clone resumed>, parent_tid=[7139], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7139 [pid 7136] <... setsockopt resumed>) = 0 [pid 7138] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7136] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] <... futex resumed>) = 0 [pid 7136] <... futex resumed>) = 1 [pid 7135] <... futex resumed>) = 0 [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7136] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] exit_group(0 [pid 7136] <... futex resumed>) = ? [pid 7135] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7139 attached [pid 7136] +++ exited with 0 +++ [pid 7135] +++ exited with 0 +++ [pid 7139] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7139] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7139] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7138] <... futex resumed>) = 0 [pid 7139] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7138] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] <... setsockopt resumed>) = 0 [pid 7138] <... futex resumed>) = 0 [pid 7139] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7139] <... futex resumed>) = 0 [pid 7138] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7139] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7138] <... futex resumed>) = 0 [pid 7139] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7139] <... setsockopt resumed>) = 0 [pid 7139] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7138] <... futex resumed>) = 0 [pid 7139] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7138] <... futex resumed>) = 0 [pid 7139] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7139] <... setsockopt resumed>) = 0 [pid 7139] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7138] <... futex resumed>) = 0 [pid 7139] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7138] <... futex resumed>) = 0 [pid 7139] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7139] <... sendto resumed>) = 1 [pid 7139] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7138] <... futex resumed>) = 0 [pid 7139] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7138] <... futex resumed>) = 0 [pid 7139] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7139] <... sendto resumed>) = 1 [pid 7139] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7138] <... futex resumed>) = 0 [pid 7139] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7138] <... futex resumed>) = 0 [pid 7139] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7138] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7139] <... openat resumed>) = 4 [pid 7139] write(4, "5", 1) = 1 [pid 7139] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7139] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7138] <... futex resumed>) = 0 [pid 7139] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7138] exit_group(0 [pid 7139] <... futex resumed>) = ? [pid 7138] <... exit_group resumed>) = ? [pid 7139] +++ exited with 0 +++ [pid 7138] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7138, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7140 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7135, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 264.620753][ T7130] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 264.628721][ T7130] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 264.636721][ T7130] [ 264.641694][ T7133] CPU: 1 PID: 7133 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 264.652242][ T7133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 264.662307][ T7133] Call Trace: [ 264.665582][ T7133] [ 264.668526][ T7133] dump_stack_lvl+0xcd/0x134 [ 264.673123][ T7133] should_fail.cold+0x5/0xa [ 264.677641][ T7133] get_futex_key+0x5b2/0x1c50 [ 264.682337][ T7133] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 264.688321][ T7133] ? futex_setup_timer+0xf0/0xf0 [ 264.693266][ T7133] futex_wake+0xe4/0x490 [ 264.697515][ T7133] ? futex_wake_mark+0x1a0/0x1a0 [ 264.702476][ T7133] ? ptrace_stop.part.0+0x5ec/0xa80 [ 264.707682][ T7133] ? do_raw_spin_lock+0x120/0x2a0 [ 264.712710][ T7133] ? rwlock_bug.part.0+0x90/0x90 [ 264.717646][ T7133] ? _raw_spin_lock_irq+0x41/0x50 [ 264.722681][ T7133] do_futex+0x266/0x300 [ 264.726840][ T7133] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 264.732734][ T7133] ? find_held_lock+0x2d/0x110 [ 264.737513][ T7133] __x64_sys_futex+0x1b0/0x4a0 [ 264.742307][ T7133] ? do_futex+0x300/0x300 [ 264.746655][ T7133] ? _raw_spin_unlock_irq+0x1f/0x40 [ 264.751855][ T7133] ? lockdep_hardirqs_on+0x79/0x100 [ 264.757055][ T7133] ? _raw_spin_unlock_irq+0x2a/0x40 [ 264.762263][ T7133] ? ptrace_notify+0xfa/0x140 [ 264.766947][ T7133] do_syscall_64+0x35/0xb0 [ 264.771374][ T7133] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 264.777272][ T7133] RIP: 0033:0x7fc128117db9 [ 264.781693][ T7133] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 264.801304][ T7133] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 264.809737][ T7133] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 ./strace-static-x86_64: Process 7140 attached ./strace-static-x86_64: Process 7137 attached [pid 7130] <... futex resumed>) = ? [pid 7127] <... futex resumed>) = ? [pid 7140] set_robust_list(0x5555564f35e0, 24 [pid 7137] set_robust_list(0x5555564f35e0, 24 [pid 7130] +++ exited with 0 +++ [pid 7128] +++ exited with 0 +++ [pid 7127] +++ exited with 0 +++ [pid 7125] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7128, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7140] <... set_robust_list resumed>) = 0 [pid 7137] <... set_robust_list resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7140] <... prctl resumed>) = 0 [pid 7137] <... prctl resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7141 [pid 7140] setpgid(0, 0 [pid 7137] setpgid(0, 0 [pid 7140] <... setpgid resumed>) = 0 [pid 7137] <... setpgid resumed>) = 0 [pid 7140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7125, si_uid=0, si_status=0, si_utime=0, si_stime=22} --- [pid 7140] <... openat resumed>) = 3 [pid 7137] <... openat resumed>) = 3 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7140] write(3, "1000", 4 [pid 7137] write(3, "1000", 4 [pid 7140] <... write resumed>) = 4 [pid 7137] <... write resumed>) = 4 [pid 7140] close(3 [pid 7137] close(3 [pid 7140] <... close resumed>) = 0 [pid 7137] <... close resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7142 [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7140] <... futex resumed>) = 0 [pid 7137] <... futex resumed>) = 0 [pid 7140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7140] <... mmap resumed>) = 0x7fc1280a9000 [pid 7137] <... mmap resumed>) = 0x7fc1280a9000 [pid 7140] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7137] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7140] <... mprotect resumed>) = 0 [pid 7137] <... mprotect resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7143 ./strace-static-x86_64: Process 7142 attached ./strace-static-x86_64: Process 7141 attached [pid 7140] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7137] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7133] <... futex resumed>) = ? [pid 7142] set_robust_list(0x5555564f35e0, 24./strace-static-x86_64: Process 7143 attached [pid 7141] set_robust_list(0x5555564f35e0, 24 [pid 7140] <... clone resumed>, parent_tid=[7144], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7144 [pid 7137] <... clone resumed>, parent_tid=[7145], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7145 [pid 7143] set_robust_list(0x5555564f35e0, 24 [pid 7140] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... set_robust_list resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7137] <... futex resumed>) = 0 [pid 7143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7143] <... prctl resumed>) = 0 [pid 7143] setpgid(0, 0 [pid 7142] <... set_robust_list resumed>) = 0 [pid 7141] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7145 attached [pid 7143] <... setpgid resumed>) = 0 [pid 7142] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7144 attached [pid 7145] set_robust_list(0x7fc1280c99e0, 24 [pid 7143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7142] <... prctl resumed>) = 0 [pid 7141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7145] <... set_robust_list resumed>) = 0 [pid 7144] set_robust_list(0x7fc1280c99e0, 24 [pid 7143] <... openat resumed>) = 3 [pid 7142] setpgid(0, 0 [pid 7141] <... prctl resumed>) = 0 [pid 7145] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7144] <... set_robust_list resumed>) = 0 [pid 7143] write(3, "1000", 4 [pid 7142] <... setpgid resumed>) = 0 [pid 7141] setpgid(0, 0 [pid 7145] <... socket resumed>) = 3 [pid 7144] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7143] <... write resumed>) = 4 [pid 7142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7141] <... setpgid resumed>) = 0 [pid 7145] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... socket resumed>) = 3 [pid 7143] close(3 [pid 7145] <... futex resumed>) = 1 [pid 7144] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... close resumed>) = 0 [pid 7142] <... openat resumed>) = 3 [pid 7141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7137] <... futex resumed>) = 0 [pid 7145] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] <... futex resumed>) = 1 [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] write(3, "1000", 4 [pid 7140] <... futex resumed>) = 0 [pid 7141] <... openat resumed>) = 3 [pid 7137] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7143] <... futex resumed>) = 0 [pid 7142] <... write resumed>) = 4 [pid 7141] write(3, "1000", 4 [pid 7140] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 0 [pid 7145] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7142] close(3 [pid 7141] <... write resumed>) = 4 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] +++ exited with 0 +++ [pid 7124] +++ exited with 0 +++ [pid 7145] <... setsockopt resumed>) = 0 [pid 7144] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7143] <... mmap resumed>) = 0x7fc1280a9000 [pid 7142] <... close resumed>) = 0 [pid 7141] close(3 [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7145] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... setsockopt resumed>) = 0 [pid 7143] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7142] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... close resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7124, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 7145] <... futex resumed>) = 1 [pid 7144] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... mprotect resumed>) = 0 [pid 7142] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 0 [pid 7145] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] <... futex resumed>) = 1 [pid 7143] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7141] <... futex resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] <... mmap resumed>) = 0x7fc1280a9000 [pid 7141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7140] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 0 [pid 7145] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] <... clone resumed>, parent_tid=[7146], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7146 [pid 7142] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7141] <... mmap resumed>) = 0x7fc1280a9000 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7146 attached [pid 7145] <... setsockopt resumed>) = 0 [pid 7144] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7143] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... mprotect resumed>) = 0 [pid 7141] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7145] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [ 264.817708][ T7133] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 264.825677][ T7133] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 264.833645][ T7133] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 264.841617][ T7133] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 264.849604][ T7133] [pid 7143] <... futex resumed>) = 0 [pid 7142] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7141] <... mprotect resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7145] <... futex resumed>) = 1 [pid 7144] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7137] <... futex resumed>) = 0 [pid 7141] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7145] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] <... futex resumed>) = 1 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] <... clone resumed>, parent_tid=[7147], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7147 [pid 7140] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7148 [pid 7145] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... clone resumed>, parent_tid=[7149], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7149 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7147 attached [pid 7146] set_robust_list(0x7fc1280c99e0, 24 [pid 7145] <... setsockopt resumed>) = 0 [pid 7144] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7142] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7149 attached ./strace-static-x86_64: Process 7148 attached [pid 7147] set_robust_list(0x7fc1280c99e0, 24 [pid 7146] <... set_robust_list resumed>) = 0 [pid 7145] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... setsockopt resumed>) = 0 [pid 7142] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] <... futex resumed>) = 0 [pid 7149] set_robust_list(0x7fc1280c99e0, 24 [pid 7148] set_robust_list(0x5555564f35e0, 24 [pid 7147] <... set_robust_list resumed>) = 0 [pid 7146] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7145] <... futex resumed>) = 1 [pid 7144] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7137] <... futex resumed>) = 0 [pid 7149] <... set_robust_list resumed>) = 0 [pid 7148] <... set_robust_list resumed>) = 0 [pid 7147] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7146] <... socket resumed>) = 3 [pid 7145] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] <... futex resumed>) = 1 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7147] <... socket resumed>) = 3 [pid 7146] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7140] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 0 [pid 7149] <... socket resumed>) = 3 [pid 7148] <... prctl resumed>) = 0 [pid 7147] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... futex resumed>) = 1 [pid 7145] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] <... futex resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] setpgid(0, 0 [pid 7147] <... futex resumed>) = 1 [pid 7146] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7145] <... sendto resumed>) = 1 [pid 7144] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7143] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... futex resumed>) = 0 [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] <... futex resumed>) = 1 [pid 7148] <... setpgid resumed>) = 0 [pid 7147] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7145] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... futex resumed>) = 0 [pid 7149] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7146] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7145] <... futex resumed>) = 1 [pid 7144] <... sendto resumed>) = 1 [pid 7143] <... futex resumed>) = 0 [pid 7142] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 0 [pid 7149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... openat resumed>) = 3 [pid 7147] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7146] <... setsockopt resumed>) = 0 [pid 7145] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7142] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7148] write(3, "1000", 4 [pid 7147] <... setsockopt resumed>) = 0 [pid 7146] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] <... futex resumed>) = 1 [pid 7143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7141] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] <... futex resumed>) = 0 [pid 7137] <... futex resumed>) = 0 [pid 7149] <... setsockopt resumed>) = 0 [pid 7148] <... write resumed>) = 4 [pid 7147] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... futex resumed>) = 0 [pid 7145] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7144] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7143] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] close(3 [pid 7147] <... futex resumed>) = 1 [pid 7146] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7145] <... sendto resumed>) = 1 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] <... futex resumed>) = 0 [pid 7142] <... futex resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7149] <... futex resumed>) = 1 [pid 7148] <... close resumed>) = 0 [pid 7147] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7146] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7145] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7142] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... futex resumed>) = 0 [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7146] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... futex resumed>) = 1 [pid 7144] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... futex resumed>) = 0 [pid 7149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 [pid 7147] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7146] <... futex resumed>) = 0 [pid 7145] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] <... futex resumed>) = 0 [pid 7137] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7147] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7146] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] <... futex resumed>) = 1 [pid 7143] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] <... futex resumed>) = 0 [pid 7137] <... futex resumed>) = 0 [pid 7149] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7148] <... mmap resumed>) = 0x7fc1280a9000 [pid 7147] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... setsockopt resumed>) = 0 [pid 7145] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7144] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7140] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7147] <... futex resumed>) = 1 [pid 7146] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... openat resumed>) = 4 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] <... futex resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7149] <... futex resumed>) = 1 [pid 7148] <... mprotect resumed>) = 0 [pid 7147] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7146] <... futex resumed>) = 0 [pid 7145] write(4, "5", 1 [pid 7144] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7143] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... futex resumed>) = 0 [pid 7140] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7146] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7145] <... write resumed>) = 1 [pid 7144] <... openat resumed>) = 4 [pid 7143] <... futex resumed>) = 0 [pid 7142] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7147] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7145] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7144] write(4, "5", 1 [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7148] <... clone resumed>, parent_tid=[7150], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7150 [pid 7147] <... setsockopt resumed>) = 0 [pid 7146] <... sendto resumed>) = 1 [pid 7145] <... setsockopt resumed>) = 0 [pid 7144] <... write resumed>) = 1 [pid 7142] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] <... futex resumed>) = 0 [pid 7149] <... setsockopt resumed>) = 0 [pid 7148] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7141] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7149] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = 0 [pid 7147] <... futex resumed>) = 0 [pid 7146] <... futex resumed>) = 1 [pid 7145] <... futex resumed>) = 1 [pid 7144] <... setsockopt resumed>) = 0 [pid 7143] <... futex resumed>) = 0 [pid 7142] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7137] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7150 attached [pid 7149] <... futex resumed>) = 0 [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7147] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7146] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7145] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7144] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] exit_group(0 [pid 7150] set_robust_list(0x7fc1280c99e0, 24 [pid 7149] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7147] <... sendto resumed>) = 1 [pid 7146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] <... futex resumed>) = 0 [pid 7142] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] <... futex resumed>) = 0 [pid 7150] <... set_robust_list resumed>) = 0 [pid 7146] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7150] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7146] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7150] <... socket resumed>) = 3 [pid 7146] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... futex resumed>) = 1 [pid 7143] <... futex resumed>) = 0 [pid 7150] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7146] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7143] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7137] <... exit_group resumed>) = ? [pid 7150] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7149] <... sendto resumed>) = 1 [pid 7148] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7145] <... futex resumed>) = ? [pid 7143] <... futex resumed>) = 0 [pid 7150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 [pid 7146] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7143] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7150] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7146] <... openat resumed>) = 4 [pid 7150] <... setsockopt resumed>) = 0 [pid 7146] write(4, "5", 1 [pid 7150] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... write resumed>) = 1 [pid 7150] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7146] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7150] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7146] <... setsockopt resumed>) = 0 [pid 7150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 264.959405][ T7144] FAULT_INJECTION: forcing a failure. [ 264.959405][ T7144] name fail_futex, interval 1, probability 0, space 0, times 0 [ 264.974938][ T7144] CPU: 0 PID: 7144 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 264.985489][ T7144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 264.986030][ T7146] FAULT_INJECTION: forcing a failure. [ 264.986030][ T7146] name fail_futex, interval 1, probability 0, space 0, times 0 [ 264.995630][ T7144] Call Trace: [ 264.995640][ T7144] [ 264.995650][ T7144] dump_stack_lvl+0xcd/0x134 [ 264.995683][ T7144] should_fail.cold+0x5/0xa [ 264.995711][ T7144] get_futex_key+0x5b2/0x1c50 [ 264.995735][ T7144] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 264.995762][ T7144] ? futex_setup_timer+0xf0/0xf0 [ 265.039333][ T7144] futex_wake+0xe4/0x490 [ 265.043628][ T7144] ? futex_wake_mark+0x1a0/0x1a0 [ 265.048574][ T7144] ? ptrace_stop.part.0+0x5ec/0xa80 [ 265.053782][ T7144] ? do_raw_spin_lock+0x120/0x2a0 [ 265.058825][ T7144] ? rwlock_bug.part.0+0x90/0x90 [ 265.063764][ T7144] ? _raw_spin_lock_irq+0x41/0x50 [ 265.068797][ T7144] do_futex+0x266/0x300 [ 265.072963][ T7144] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 265.078858][ T7144] ? find_held_lock+0x2d/0x110 [ 265.083633][ T7144] __x64_sys_futex+0x1b0/0x4a0 [ 265.088420][ T7144] ? do_futex+0x300/0x300 [ 265.092794][ T7144] ? _raw_spin_unlock_irq+0x1f/0x40 [ 265.098006][ T7144] ? lockdep_hardirqs_on+0x79/0x100 [ 265.103212][ T7144] ? _raw_spin_unlock_irq+0x2a/0x40 [ 265.108415][ T7144] ? ptrace_notify+0xfa/0x140 [ 265.113096][ T7144] do_syscall_64+0x35/0xb0 [ 265.117515][ T7144] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 265.123504][ T7144] RIP: 0033:0x7fc128117db9 [ 265.127935][ T7144] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 265.147548][ T7144] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7148] <... futex resumed>) = 0 [pid 7146] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7149] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7147] <... futex resumed>) = 1 [pid 7143] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7150] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7145] +++ exited with 0 +++ [pid 7143] exit_group(0 [pid 7141] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7137] +++ exited with 0 +++ [pid 7142] <... futex resumed>) = 0 [pid 7150] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7149] <... futex resumed>) = 0 [pid 7147] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7143] <... exit_group resumed>) = ? [pid 7141] <... futex resumed>) = 0 [pid 7140] exit_group(0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7137, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7150] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7141] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7150] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 265.155971][ T7144] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 265.163964][ T7144] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 265.171950][ T7144] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 265.179934][ T7144] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 265.187921][ T7144] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 265.195913][ T7144] [pid 7148] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7150] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7150] <... setsockopt resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7151 [pid 7150] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7150] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7151 attached [pid 7150] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7151] set_robust_list(0x5555564f35e0, 24 [pid 7150] <... sendto resumed>) = 1 [pid 7151] <... set_robust_list resumed>) = 0 [pid 7150] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7150] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7151] <... prctl resumed>) = 0 [pid 7150] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] setpgid(0, 0 [pid 7150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 [pid 7151] <... setpgid resumed>) = 0 [pid 7150] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7150] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7151] <... openat resumed>) = 3 [pid 7150] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] write(3, "1000", 4 [pid 7150] <... futex resumed>) = 1 [pid 7148] <... futex resumed>) = 0 [pid 7151] <... write resumed>) = 4 [pid 7150] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7148] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] close(3 [pid 7150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7148] <... futex resumed>) = 0 [pid 7151] <... close resumed>) = 0 [pid 7150] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7148] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7151] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7150] <... openat resumed>) = 4 [pid 7151] <... futex resumed>) = 0 [pid 7150] write(4, "5", 1 [pid 7151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7150] <... write resumed>) = 1 [pid 7151] <... mmap resumed>) = 0x7fc1280a9000 [pid 7150] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7151] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7150] <... setsockopt resumed>) = 0 [pid 7151] <... mprotect resumed>) = 0 [ 265.206275][ T7146] CPU: 0 PID: 7146 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 265.216842][ T7146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 265.226923][ T7146] Call Trace: [ 265.230225][ T7146] [ 265.233177][ T7146] dump_stack_lvl+0xcd/0x134 [ 265.237804][ T7146] should_fail.cold+0x5/0xa [ 265.242353][ T7146] get_futex_key+0x5b2/0x1c50 [ 265.242840][ T7150] FAULT_INJECTION: forcing a failure. [ 265.242840][ T7150] name fail_futex, interval 1, probability 0, space 0, times 0 [ 265.247065][ T7146] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 265.247097][ T7146] ? futex_setup_timer+0xf0/0xf0 [ 265.247129][ T7146] futex_wake+0xe4/0x490 [ 265.247155][ T7146] ? futex_wake_mark+0x1a0/0x1a0 [ 265.278234][ T7153] FAULT_INJECTION: forcing a failure. [ 265.278234][ T7153] name fail_futex, interval 1, probability 0, space 0, times 0 [ 265.280040][ T7146] ? ptrace_stop.part.0+0x5ec/0xa80 [ 265.280076][ T7146] ? do_raw_spin_lock+0x120/0x2a0 [ 265.280103][ T7146] ? rwlock_bug.part.0+0x90/0x90 [ 265.308021][ T7146] ? _raw_spin_lock_irq+0x41/0x50 [ 265.313087][ T7146] do_futex+0x266/0x300 [ 265.317273][ T7146] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 265.323200][ T7146] ? find_held_lock+0x2d/0x110 [ 265.328011][ T7146] __x64_sys_futex+0x1b0/0x4a0 [ 265.332808][ T7146] ? do_futex+0x300/0x300 [ 265.337188][ T7146] ? _raw_spin_unlock_irq+0x1f/0x40 [ 265.342425][ T7146] ? lockdep_hardirqs_on+0x79/0x100 [ 265.347640][ T7146] ? _raw_spin_unlock_irq+0x2a/0x40 [ 265.352856][ T7146] ? ptrace_notify+0xfa/0x140 [ 265.357556][ T7146] do_syscall_64+0x35/0xb0 [ 265.361985][ T7146] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 265.367909][ T7146] RIP: 0033:0x7fc128117db9 [ 265.372346][ T7146] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 265.391986][ T7146] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 265.400510][ T7146] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 7150] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7140] <... exit_group resumed>) = ? [pid 7141] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] <... clone resumed>, parent_tid=[7152], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7152 [pid 7141] <... futex resumed>) = 0 [pid 7151] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7151] <... futex resumed>) = 0 [pid 7141] <... mmap resumed>) = 0x7fc128088000 [pid 7151] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7141] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7141] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7153], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7153 [pid 7141] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7141] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7153 attached [pid 7153] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7153] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7153] write(4, "5", 1) = 1 [pid 7153] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7153] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7148] exit_group(0) = ? [pid 7151] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7151] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7151] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7151] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7154], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7154 [pid 7151] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7151] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7154 attached [pid 7154] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7154] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 7154] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7151] <... futex resumed>) = 0 [pid 7154] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7151] <... futex resumed>) = 0 [pid 7154] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7151] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7151] <... futex resumed>) = 0 [pid 7154] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7151] <... futex resumed>) = 0 [pid 7154] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7151] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7151] <... futex resumed>) = 0 [pid 7154] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7151] <... futex resumed>) = 0 [pid 7154] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7151] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7151] <... futex resumed>) = 0 [pid 7154] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7151] <... futex resumed>) = 0 [pid 7154] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7151] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7151] <... futex resumed>) = 0 [pid 7154] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7151] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7151] <... futex resumed>) = 0 [pid 7154] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7151] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] <... openat resumed>) = 3 [pid 7154] write(3, "5", 1) = 1 [pid 7154] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 7154] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7151] <... futex resumed>) = 0 [pid 7154] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7142] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 265.408512][ T7146] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 265.416540][ T7146] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 265.424552][ T7146] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 265.433065][ T7146] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 265.441083][ T7146] [ 265.447436][ T7153] CPU: 1 PID: 7153 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 265.457984][ T7153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 265.468061][ T7153] Call Trace: [ 265.471343][ T7153] [ 265.474281][ T7153] dump_stack_lvl+0xcd/0x134 [ 265.478890][ T7153] should_fail.cold+0x5/0xa [ 265.483574][ T7153] get_futex_key+0x5b2/0x1c50 [ 265.488270][ T7153] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 265.494277][ T7153] ? futex_setup_timer+0xf0/0xf0 [ 265.499231][ T7153] futex_wake+0xe4/0x490 [ 265.503481][ T7153] ? futex_wake_mark+0x1a0/0x1a0 [ 265.508438][ T7153] ? ptrace_stop.part.0+0x5ec/0xa80 [ 265.513641][ T7153] ? do_raw_spin_lock+0x120/0x2a0 [ 265.518670][ T7153] ? rwlock_bug.part.0+0x90/0x90 [ 265.523612][ T7153] ? _raw_spin_lock_irq+0x41/0x50 [ 265.528647][ T7153] do_futex+0x266/0x300 [ 265.532806][ T7153] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 265.538713][ T7153] ? find_held_lock+0x2d/0x110 [ 265.543493][ T7153] __x64_sys_futex+0x1b0/0x4a0 [ 265.548269][ T7153] ? do_futex+0x300/0x300 [ 265.552609][ T7153] ? _raw_spin_unlock_irq+0x1f/0x40 [ 265.557811][ T7153] ? lockdep_hardirqs_on+0x79/0x100 [ 265.563012][ T7153] ? _raw_spin_unlock_irq+0x2a/0x40 [ 265.568225][ T7153] ? ptrace_notify+0xfa/0x140 [ 265.572996][ T7153] do_syscall_64+0x35/0xb0 [ 265.577415][ T7153] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 265.583313][ T7153] RIP: 0033:0x7fc128117db9 [ 265.587728][ T7153] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7149] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 265.607340][ T7153] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 265.615755][ T7153] RAX: ffffffffffffffda RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 265.623745][ T7153] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04bc [ 265.631724][ T7153] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 265.639697][ T7153] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 265.647666][ T7153] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 265.655652][ T7153] ./strace-static-x86_64: Process 7152 attached [pid 7146] <... futex resumed>) = ? [pid 7144] <... futex resumed>) = ? [pid 7142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7142] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7142] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7142] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7155], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7155 [pid 7142] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7142] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7155 attached [pid 7155] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7155] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7155] write(4, "5", 1) = 1 [pid 7155] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 265.659139][ T7150] CPU: 0 PID: 7150 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 265.669679][ T7150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 265.680284][ T7150] Call Trace: [ 265.683587][ T7150] [ 265.686538][ T7150] dump_stack_lvl+0xcd/0x134 [ 265.687372][ T7155] FAULT_INJECTION: forcing a failure. [ 265.687372][ T7155] name fail_futex, interval 1, probability 0, space 0, times 0 [ 265.691145][ T7150] should_fail.cold+0x5/0xa [ 265.708424][ T7150] get_futex_key+0x5b2/0x1c50 [pid 7155] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 265.713130][ T7150] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 265.719137][ T7150] ? futex_setup_timer+0xf0/0xf0 [ 265.724105][ T7150] futex_wake+0xe4/0x490 [ 265.728370][ T7150] ? futex_wake_mark+0x1a0/0x1a0 [ 265.733335][ T7150] ? ptrace_stop.part.0+0x5ec/0xa80 [ 265.738549][ T7150] ? do_raw_spin_lock+0x120/0x2a0 [ 265.743587][ T7150] ? rwlock_bug.part.0+0x90/0x90 [ 265.748545][ T7150] ? _raw_spin_lock_irq+0x41/0x50 [ 265.753598][ T7150] do_futex+0x266/0x300 [ 265.757770][ T7150] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 265.763689][ T7150] ? find_held_lock+0x2d/0x110 [ 265.768508][ T7150] __x64_sys_futex+0x1b0/0x4a0 [ 265.773294][ T7150] ? do_futex+0x300/0x300 [ 265.777647][ T7150] ? _raw_spin_unlock_irq+0x1f/0x40 [ 265.782873][ T7150] ? lockdep_hardirqs_on+0x79/0x100 [ 265.788101][ T7150] ? _raw_spin_unlock_irq+0x2a/0x40 [ 265.793580][ T7150] ? ptrace_notify+0xfa/0x140 [ 265.798278][ T7150] do_syscall_64+0x35/0xb0 [ 265.802714][ T7150] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 265.808630][ T7150] RIP: 0033:0x7fc128117db9 [ 265.813072][ T7150] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 265.832785][ T7150] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 265.841257][ T7150] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 265.849241][ T7150] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7152] set_robust_list(0x7fc1280c99e0, 24 [pid 7149] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7147] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7146] +++ exited with 0 +++ [pid 7143] +++ exited with 0 +++ [pid 7152] <... set_robust_list resumed>) = 0 [pid 7149] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7143, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7152] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7149] <... futex resumed>) = 0 [pid 7147] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] <... socket resumed>) = 4 [pid 7149] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] <... futex resumed>) = 0 [pid 7142] exit_group(0 [pid 7141] exit_group(0 [pid 7152] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7151] exit_group(0 [pid 7149] <... futex resumed>) = ? [pid 7142] <... exit_group resumed>) = ? [pid 7141] <... exit_group resumed>) = ? [pid 7154] <... futex resumed>) = ? [ 265.857223][ T7150] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 265.865215][ T7150] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 265.873213][ T7150] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 265.880835][ T7154] FAULT_INJECTION: forcing a failure. [ 265.880835][ T7154] name fail_futex, interval 1, probability 0, space 0, times 0 [ 265.881241][ T7150] [ 265.894645][ T7155] CPU: 0 PID: 7155 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 265.908140][ T7155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 265.918201][ T7155] Call Trace: [ 265.921477][ T7155] [ 265.924409][ T7155] dump_stack_lvl+0xcd/0x134 [ 265.929007][ T7155] should_fail.cold+0x5/0xa [ 265.933536][ T7155] get_futex_key+0x5b2/0x1c50 [ 265.938214][ T7155] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 265.944204][ T7155] ? futex_setup_timer+0xf0/0xf0 [ 265.949152][ T7155] futex_wake+0xe4/0x490 [ 265.953407][ T7155] ? futex_wake_mark+0x1a0/0x1a0 [ 265.958342][ T7155] ? ptrace_stop.part.0+0x5ec/0xa80 [ 265.963544][ T7155] ? do_raw_spin_lock+0x120/0x2a0 [ 265.968568][ T7155] ? rwlock_bug.part.0+0x90/0x90 [ 265.973503][ T7155] ? _raw_spin_lock_irq+0x41/0x50 [ 265.978536][ T7155] do_futex+0x266/0x300 [ 265.982694][ T7155] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 265.988588][ T7155] ? find_held_lock+0x2d/0x110 [ 265.993363][ T7155] __x64_sys_futex+0x1b0/0x4a0 [ 265.998131][ T7155] ? do_futex+0x300/0x300 [ 266.002461][ T7155] ? _raw_spin_unlock_irq+0x1f/0x40 [ 266.007771][ T7155] ? lockdep_hardirqs_on+0x79/0x100 [ 266.012971][ T7155] ? _raw_spin_unlock_irq+0x2a/0x40 [ 266.018173][ T7155] ? ptrace_notify+0xfa/0x140 [ 266.022856][ T7155] do_syscall_64+0x35/0xb0 [ 266.027273][ T7155] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 266.033169][ T7155] RIP: 0033:0x7fc128117db9 [ 266.037584][ T7155] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7152] <... futex resumed>) = ? [pid 7151] <... exit_group resumed>) = ? [pid 7149] +++ exited with 0 +++ [pid 7147] +++ exited with 0 +++ [pid 7153] <... futex resumed>) = ? [pid 7152] +++ exited with 0 +++ [pid 7150] <... futex resumed>) = ? [pid 7144] +++ exited with 0 +++ [pid 7140] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7140, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7155] <... futex resumed>) = ? [pid 7153] +++ exited with 0 +++ [pid 7150] +++ exited with 0 +++ [pid 7148] +++ exited with 0 +++ [pid 7141] +++ exited with 0 +++ [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7155] +++ exited with 0 +++ [pid 7142] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7148, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7156 [ 266.057202][ T7155] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 266.065616][ T7155] RAX: ffffffffffffffda RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 266.073585][ T7155] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04bc [ 266.081553][ T7155] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 266.089523][ T7155] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 266.097491][ T7155] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 266.105482][ T7155] [ 266.118553][ T7154] CPU: 0 PID: 7154 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 266.129099][ T7154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 266.139154][ T7154] Call Trace: [ 266.142427][ T7154] [ 266.145361][ T7154] dump_stack_lvl+0xcd/0x134 [ 266.149961][ T7154] should_fail.cold+0x5/0xa [ 266.154470][ T7154] get_futex_key+0x282/0x1c50 [ 266.159148][ T7154] ? __lock_acquire+0x163e/0x5660 [ 266.164173][ T7154] ? futex_setup_timer+0xf0/0xf0 [ 266.169117][ T7154] futex_wake+0xe4/0x490 [ 266.173364][ T7154] ? futex_wake_mark+0x1a0/0x1a0 [ 266.178310][ T7154] ? find_held_lock+0x2d/0x110 [ 266.183106][ T7154] do_futex+0x266/0x300 [ 266.187264][ T7154] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 266.193196][ T7154] mm_release+0x235/0x2c0 [ 266.197547][ T7154] do_exit+0x8a0/0x29d0 [ 266.201703][ T7154] ? find_held_lock+0x2d/0x110 [ 266.206488][ T7154] ? mm_update_next_owner+0x7a0/0x7a0 [ 266.211864][ T7154] ? lock_downgrade+0x6e0/0x6e0 [ 266.216738][ T7154] do_group_exit+0xd2/0x2f0 [ 266.221252][ T7154] get_signal+0x2542/0x2600 [ 266.225765][ T7154] ? exit_signals+0x8b0/0x8b0 [ 266.230441][ T7154] ? userns_owner+0x40/0x40 [ 266.234989][ T7154] ? __task_pid_nr_ns+0x168/0x4b0 [ 266.240015][ T7154] ? lock_downgrade+0x6e0/0x6e0 [ 266.244881][ T7154] arch_do_signal_or_restart+0x82/0x2300 [ 266.250520][ T7154] ? from_kuid_munged+0xa2/0x130 [ 266.255472][ T7154] ? find_held_lock+0x2d/0x110 [ 266.260250][ T7154] ? get_sigframe_size+0x10/0x10 [ 266.265192][ T7154] ? ptrace_notify+0xfa/0x140 [ 266.269892][ T7154] ? lock_downgrade+0x6e0/0x6e0 [ 266.274770][ T7154] ? send_sig+0xfe/0x160 [ 266.279012][ T7154] ? send_sig_info+0x140/0x140 [ 266.283775][ T7154] ? exit_to_user_mode_prepare+0x137/0x250 [ 266.289588][ T7154] exit_to_user_mode_prepare+0x15f/0x250 [ 266.295226][ T7154] syscall_exit_to_user_mode+0x19/0x50 [ 266.300688][ T7154] do_syscall_64+0x42/0xb0 [ 266.305104][ T7154] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 266.311001][ T7154] RIP: 0033:0x7fc128117db9 [ 266.315417][ T7154] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 266.335035][ T7154] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 266.343497][ T7154] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 266.351495][ T7154] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 266.359472][ T7154] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7141, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7142, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- ./strace-static-x86_64: Process 7156 attached [pid 7156] set_robust_list(0x5555564f35e0, 24 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7157 [pid 7156] <... set_robust_list resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7160 [pid 7156] <... prctl resumed>) = 0 [pid 7156] setpgid(0, 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7159 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7158 [pid 7156] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7158 attached [pid 7158] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7158] setpgid(0, 0 [pid 7156] write(3, "1000", 4) = 4 [pid 7156] close(3) = 0 [pid 7158] <... setpgid resumed>) = 0 [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 ./strace-static-x86_64: Process 7160 attached ./strace-static-x86_64: Process 7159 attached ./strace-static-x86_64: Process 7157 attached [pid 7158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7156] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7160] set_robust_list(0x5555564f35e0, 24 [pid 7159] set_robust_list(0x5555564f35e0, 24 [pid 7158] <... openat resumed>) = 3 [pid 7157] set_robust_list(0x5555564f35e0, 24 [pid 7156] <... mprotect resumed>) = 0 [pid 7160] <... set_robust_list resumed>) = 0 [pid 7158] write(3, "1000", 4 [pid 7160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7159] <... set_robust_list resumed>) = 0 [pid 7158] <... write resumed>) = 4 [pid 7157] <... set_robust_list resumed>) = 0 [pid 7156] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7160] <... prctl resumed>) = 0 [pid 7158] close(3 [pid 7159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7160] setpgid(0, 0 [pid 7158] <... close resumed>) = 0 [pid 7157] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7161 attached [pid 7160] <... setpgid resumed>) = 0 [pid 7159] <... prctl resumed>) = 0 [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] <... prctl resumed>) = 0 [pid 7156] <... clone resumed>, parent_tid=[7161], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7161 [pid 7154] +++ exited with 0 +++ [pid 7151] +++ exited with 0 +++ [pid 7161] set_robust_list(0x7fc1280c99e0, 24 [pid 7160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7159] setpgid(0, 0 [pid 7158] <... futex resumed>) = 0 [pid 7157] setpgid(0, 0 [pid 7156] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7151, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 7161] <... set_robust_list resumed>) = 0 [pid 7160] <... openat resumed>) = 3 [pid 7159] <... setpgid resumed>) = 0 [pid 7158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7157] <... setpgid resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7160] write(3, "1000", 4 [pid 7159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7158] <... mmap resumed>) = 0x7fc1280a9000 [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7161] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7160] <... write resumed>) = 4 [pid 7159] <... openat resumed>) = 3 [pid 7158] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7161] <... socket resumed>) = 3 [pid 7160] close(3 [pid 7159] write(3, "1000", 4 [pid 7158] <... mprotect resumed>) = 0 [pid 7157] <... openat resumed>) = 3 [pid 7161] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] <... close resumed>) = 0 [pid 7159] <... write resumed>) = 4 [pid 7158] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7157] write(3, "1000", 4 [pid 7161] <... futex resumed>) = 1 [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] close(3 [pid 7157] <... write resumed>) = 4 [pid 7156] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7161] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7160] <... futex resumed>) = 0 [pid 7159] <... close resumed>) = 0 [pid 7158] <... clone resumed>, parent_tid=[7162], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7162 [pid 7157] close(3 [pid 7156] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] <... close resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7163 [pid 7161] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7160] <... mmap resumed>) = 0x7fc1280a9000 [pid 7159] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7161] <... setsockopt resumed>) = 0 [pid 7160] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7162 attached [pid 7161] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] <... mprotect resumed>) = 0 [pid 7159] <... mmap resumed>) = 0x7fc1280a9000 [pid 7157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7161] <... futex resumed>) = 1 [pid 7160] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7159] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7157] <... mmap resumed>) = 0x7fc1280a9000 [pid 7162] set_robust_list(0x7fc1280c99e0, 24 [pid 7156] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7163 attached [pid 7162] <... set_robust_list resumed>) = 0 [pid 7161] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] <... mprotect resumed>) = 0 [pid 7157] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7156] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] <... clone resumed>, parent_tid=[7164], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7164 [pid 7159] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7157] <... mprotect resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7163] set_robust_list(0x5555564f35e0, 24 [pid 7162] <... socket resumed>) = 3 [pid 7161] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7160] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 266.367444][ T7154] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 266.375418][ T7154] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 266.383404][ T7154] [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7163] <... set_robust_list resumed>) = 0 [pid 7162] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... setsockopt resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7159] <... clone resumed>, parent_tid=[7165], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7165 ./strace-static-x86_64: Process 7164 attached [pid 7163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7162] <... futex resumed>) = 1 [pid 7161] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] <... futex resumed>) = 0 [pid 7157] <... clone resumed>, parent_tid=[7166], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7166 ./strace-static-x86_64: Process 7165 attached [pid 7164] set_robust_list(0x7fc1280c99e0, 24 [pid 7163] <... prctl resumed>) = 0 [pid 7162] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] <... futex resumed>) = 1 [pid 7159] <... futex resumed>) = 0 [pid 7158] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] <... futex resumed>) = 0 [pid 7164] <... set_robust_list resumed>) = 0 [pid 7163] setpgid(0, 0 [pid 7162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7158] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = 0 [pid 7156] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7166 attached [pid 7165] set_robust_list(0x7fc1280c99e0, 24 [pid 7164] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7163] <... setpgid resumed>) = 0 [pid 7162] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] <... futex resumed>) = 0 [pid 7166] set_robust_list(0x7fc1280c99e0, 24 [pid 7165] <... set_robust_list resumed>) = 0 [pid 7164] <... socket resumed>) = 3 [pid 7163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7162] <... setsockopt resumed>) = 0 [pid 7161] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7166] <... set_robust_list resumed>) = 0 [pid 7164] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] <... setsockopt resumed>) = 0 [pid 7163] <... openat resumed>) = 3 [pid 7165] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7166] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7164] <... futex resumed>) = 1 [pid 7163] write(3, "1000", 4 [pid 7162] <... futex resumed>) = 1 [pid 7161] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7165] <... socket resumed>) = 3 [pid 7166] <... socket resumed>) = 3 [pid 7165] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] <... write resumed>) = 4 [pid 7162] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] <... futex resumed>) = 1 [pid 7160] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] <... futex resumed>) = 0 [pid 7166] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] close(3 [pid 7162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7160] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7156] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... futex resumed>) = 1 [pid 7165] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7163] <... close resumed>) = 0 [pid 7162] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7166] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] <... setsockopt resumed>) = 0 [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7161] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7159] <... futex resumed>) = 0 [pid 7157] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7165] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7164] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] <... futex resumed>) = 0 [pid 7162] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7165] <... setsockopt resumed>) = 0 [pid 7163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7162] <... futex resumed>) = 1 [pid 7158] <... futex resumed>) = 0 [pid 7165] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] <... mmap resumed>) = 0x7fc1280a9000 [pid 7162] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7158] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7165] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 1 [pid 7163] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = 0 [pid 7166] <... setsockopt resumed>) = 0 [pid 7165] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] <... mprotect resumed>) = 0 [pid 7162] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7160] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7166] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7162] <... setsockopt resumed>) = 0 [pid 7161] <... sendto resumed>) = 1 [pid 7160] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7167 attached [pid 7166] <... futex resumed>) = 0 [pid 7165] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7164] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7162] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] set_robust_list(0x7fc1280c99e0, 24 [pid 7166] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7165] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7164] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7163] <... clone resumed>, parent_tid=[7167], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7167 [pid 7162] <... futex resumed>) = 1 [pid 7161] <... futex resumed>) = 1 [pid 7158] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7166] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7165] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7158] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 1 [pid 7163] <... futex resumed>) = 0 [pid 7162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] <... futex resumed>) = 0 [pid 7167] <... set_robust_list resumed>) = 0 [pid 7167] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7166] <... futex resumed>) = 0 [pid 7165] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7162] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7161] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7160] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] <... socket resumed>) = 3 [pid 7166] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7162] <... sendto resumed>) = 1 [pid 7161] <... sendto resumed>) = 1 [pid 7160] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = 0 [pid 7167] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... setsockopt resumed>) = 0 [pid 7165] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7164] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7162] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] <... futex resumed>) = 1 [pid 7166] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... setsockopt resumed>) = 0 [pid 7164] <... setsockopt resumed>) = 0 [pid 7163] <... futex resumed>) = 0 [pid 7162] <... futex resumed>) = 1 [pid 7161] <... futex resumed>) = 1 [pid 7158] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] <... futex resumed>) = 0 [pid 7167] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7166] <... futex resumed>) = 0 [pid 7165] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7158] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7166] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7165] <... futex resumed>) = 1 [pid 7164] <... futex resumed>) = 1 [pid 7163] <... futex resumed>) = 0 [pid 7162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7167] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7166] <... sendto resumed>) = 1 [pid 7165] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7162] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7161] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7160] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] <... setsockopt resumed>) = 0 [pid 7166] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7162] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7161] <... openat resumed>) = 4 [pid 7160] <... futex resumed>) = 0 [pid 7159] <... futex resumed>) = 0 [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7167] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... futex resumed>) = 0 [pid 7165] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7164] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7162] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] write(4, "5", 1 [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... futex resumed>) = 1 [pid 7166] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7165] <... sendto resumed>) = 1 [pid 7163] <... futex resumed>) = 0 [pid 7162] <... futex resumed>) = 1 [pid 7158] <... futex resumed>) = 0 [pid 7167] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7166] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7165] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] <... sendto resumed>) = 1 [pid 7163] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7161] <... write resumed>) = 1 [pid 7158] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] <... futex resumed>) = 0 [pid 7167] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7166] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7165] <... futex resumed>) = 1 [pid 7164] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7163] <... futex resumed>) = 0 [pid 7162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7159] <... futex resumed>) = 0 [pid 7158] <... futex resumed>) = 0 [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... futex resumed>) = 0 [pid 7165] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7164] <... futex resumed>) = 1 [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7162] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7161] <... setsockopt resumed>) = 0 [pid 7160] <... futex resumed>) = 0 [pid 7159] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7167] <... futex resumed>) = 0 [pid 7166] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7162] <... openat resumed>) = 4 [pid 7161] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] <... futex resumed>) = 0 [pid 7157] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7165] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] write(4, "5", 1 [pid 7161] <... futex resumed>) = 1 [pid 7160] <... futex resumed>) = 0 [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7166] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7165] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7164] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7163] <... futex resumed>) = 0 [pid 7162] <... write resumed>) = 1 [pid 7161] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] exit_group(0 [pid 7167] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7166] <... openat resumed>) = 4 [pid 7165] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7162] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7161] <... futex resumed>) = ? [pid 7156] <... exit_group resumed>) = ? [pid 7167] <... setsockopt resumed>) = 0 [pid 7166] write(4, "5", 1 [pid 7165] <... futex resumed>) = 1 [pid 7164] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] <... setsockopt resumed>) = 0 [pid 7161] +++ exited with 0 +++ [pid 7159] <... futex resumed>) = 0 [pid 7165] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7162] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... write resumed>) = 1 [pid 7165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7164] <... futex resumed>) = 1 [pid 7160] <... futex resumed>) = 0 [pid 7156] +++ exited with 0 +++ [pid 7167] <... futex resumed>) = 1 [pid 7166] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7164] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] <... futex resumed>) = 0 [pid 7160] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] <... futex resumed>) = 0 [pid 7167] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7166] <... setsockopt resumed>) = 0 [pid 7164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7160] <... futex resumed>) = 0 [pid 7166] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7164] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7160] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7164] <... openat resumed>) = 4 [pid 7164] write(4, "5", 1) = 1 [ 266.497989][ T7162] FAULT_INJECTION: forcing a failure. [ 266.497989][ T7162] name fail_futex, interval 1, probability 0, space 0, times 0 [ 266.512238][ T7162] CPU: 0 PID: 7162 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 266.517988][ T7166] FAULT_INJECTION: forcing a failure. [ 266.517988][ T7166] name fail_futex, interval 1, probability 0, space 0, times 0 [ 266.522769][ T7162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 7164] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7164] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7157] exit_group(0) = ? [pid 7160] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7160] exit_group(0) = ? [ 266.522786][ T7162] Call Trace: [ 266.522794][ T7162] [ 266.522803][ T7162] dump_stack_lvl+0xcd/0x134 [ 266.522837][ T7162] should_fail.cold+0x5/0xa [ 266.522865][ T7162] get_futex_key+0x5b2/0x1c50 [ 266.522891][ T7162] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 266.540899][ T7164] FAULT_INJECTION: forcing a failure. [ 266.540899][ T7164] name fail_futex, interval 1, probability 0, space 0, times 0 [ 266.545691][ T7162] ? futex_setup_timer+0xf0/0xf0 [ 266.545731][ T7162] futex_wake+0xe4/0x490 [ 266.545758][ T7162] ? futex_wake_mark+0x1a0/0x1a0 [ 266.545783][ T7162] ? ptrace_stop.part.0+0x5ec/0xa80 [ 266.603987][ T7162] ? do_raw_spin_lock+0x120/0x2a0 [ 266.609031][ T7162] ? rwlock_bug.part.0+0x90/0x90 [ 266.613987][ T7162] ? _raw_spin_lock_irq+0x41/0x50 [ 266.619036][ T7162] do_futex+0x266/0x300 [ 266.623218][ T7162] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 266.629136][ T7162] ? find_held_lock+0x2d/0x110 [ 266.633924][ T7162] __x64_sys_futex+0x1b0/0x4a0 [ 266.638708][ T7162] ? do_futex+0x300/0x300 [ 266.643058][ T7162] ? _raw_spin_unlock_irq+0x1f/0x40 [ 266.648273][ T7162] ? lockdep_hardirqs_on+0x79/0x100 [ 266.653486][ T7162] ? _raw_spin_unlock_irq+0x2a/0x40 [ 266.658697][ T7162] ? ptrace_notify+0xfa/0x140 [ 266.663402][ T7162] do_syscall_64+0x35/0xb0 [ 266.667837][ T7162] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 266.673744][ T7162] RIP: 0033:0x7fc128117db9 [ 266.678168][ T7162] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 266.697798][ T7162] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 266.706231][ T7162] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 266.714224][ T7162] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 266.722207][ T7162] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 266.730189][ T7162] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 266.738174][ T7162] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 266.746177][ T7162] [ 266.749205][ T7164] CPU: 1 PID: 7164 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 266.759731][ T7164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 266.769794][ T7164] Call Trace: [ 266.773088][ T7164] [ 266.776035][ T7164] dump_stack_lvl+0xcd/0x134 [ 266.780815][ T7164] should_fail.cold+0x5/0xa [ 266.785334][ T7164] get_futex_key+0x5b2/0x1c50 [ 266.790017][ T7164] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 266.796191][ T7164] ? futex_setup_timer+0xf0/0xf0 [ 266.801141][ T7164] futex_wake+0xe4/0x490 [ 266.805392][ T7164] ? futex_wake_mark+0x1a0/0x1a0 [ 266.810333][ T7164] ? ptrace_stop.part.0+0x5ec/0xa80 [ 266.815621][ T7164] ? do_raw_spin_lock+0x120/0x2a0 [ 266.820653][ T7164] ? rwlock_bug.part.0+0x90/0x90 [ 266.825589][ T7164] ? _raw_spin_lock_irq+0x41/0x50 [ 266.830621][ T7164] do_futex+0x266/0x300 [ 266.834779][ T7164] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 266.840734][ T7164] ? find_held_lock+0x2d/0x110 [ 266.845527][ T7164] __x64_sys_futex+0x1b0/0x4a0 [ 266.850298][ T7164] ? do_futex+0x300/0x300 [ 266.854629][ T7164] ? _raw_spin_unlock_irq+0x1f/0x40 [ 266.859833][ T7164] ? lockdep_hardirqs_on+0x79/0x100 [ 266.865054][ T7164] ? _raw_spin_unlock_irq+0x2a/0x40 [ 266.870261][ T7164] ? ptrace_notify+0xfa/0x140 [ 266.874943][ T7164] do_syscall_64+0x35/0xb0 [ 266.879359][ T7164] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 266.885259][ T7164] RIP: 0033:0x7fc128117db9 [ 266.889675][ T7164] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 266.909287][ T7164] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 266.917702][ T7164] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 266.925679][ T7164] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 266.933655][ T7164] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 266.941814][ T7164] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7165] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7163] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7159] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7158] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7156, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7164] <... futex resumed>) = ? [pid 7164] +++ exited with 0 +++ [pid 7160] +++ exited with 0 +++ [pid 7165] <... openat resumed>) = 4 [pid 7165] write(4, "5", 1) = 1 [pid 7165] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7165] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... futex resumed>) = 0 [pid 7163] <... futex resumed>) = 1 [pid 7162] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 266.949799][ T7164] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 266.957791][ T7164] [ 266.963740][ T7166] CPU: 0 PID: 7166 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 266.974287][ T7166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 266.980456][ T7165] FAULT_INJECTION: forcing a failure. [ 266.980456][ T7165] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7158] exit_group(0 [pid 7167] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7162] <... futex resumed>) = ? [pid 7159] exit_group(0 [pid 7158] <... exit_group resumed>) = ? [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7160, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 7167] <... sendto resumed>) = 1 [pid 7162] +++ exited with 0 +++ [pid 7159] <... exit_group resumed>) = ? [pid 7158] +++ exited with 0 +++ [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7167] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7158, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 7167] <... futex resumed>) = 1 [pid 7163] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7168 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7169 [pid 7167] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] <... futex resumed>) = 0 [pid 7167] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7167] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7167] <... futex resumed>) = 1 [pid 7163] <... futex resumed>) = 0 [pid 7167] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7163] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7170 [pid 7167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7163] <... futex resumed>) = 0 [pid 7167] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7163] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7170 attached [pid 7167] <... openat resumed>) = 4 [pid 7170] set_robust_list(0x5555564f35e0, 24 [ 266.984519][ T7166] Call Trace: [ 266.984529][ T7166] [ 266.984539][ T7166] dump_stack_lvl+0xcd/0x134 [ 266.984573][ T7166] should_fail.cold+0x5/0xa [ 266.984600][ T7166] get_futex_key+0x5b2/0x1c50 [ 266.984624][ T7166] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 266.984652][ T7166] ? futex_setup_timer+0xf0/0xf0 [ 266.984685][ T7166] futex_wake+0xe4/0x490 [ 267.029887][ T7167] FAULT_INJECTION: forcing a failure. [ 267.029887][ T7167] name fail_futex, interval 1, probability 0, space 0, times 0 [ 267.032717][ T7166] ? futex_wake_mark+0x1a0/0x1a0 [ 267.032751][ T7166] ? ptrace_stop.part.0+0x5ec/0xa80 [ 267.032779][ T7166] ? do_raw_spin_lock+0x120/0x2a0 [ 267.060770][ T7166] ? rwlock_bug.part.0+0x90/0x90 [ 267.065731][ T7166] ? _raw_spin_lock_irq+0x41/0x50 [ 267.070784][ T7166] do_futex+0x266/0x300 [ 267.074961][ T7166] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 267.080878][ T7166] ? find_held_lock+0x2d/0x110 [ 267.085679][ T7166] __x64_sys_futex+0x1b0/0x4a0 [ 267.090469][ T7166] ? do_futex+0x300/0x300 [ 267.094812][ T7166] ? _raw_spin_unlock_irq+0x1f/0x40 [ 267.100034][ T7166] ? lockdep_hardirqs_on+0x79/0x100 [ 267.105253][ T7166] ? _raw_spin_unlock_irq+0x2a/0x40 [ 267.110467][ T7166] ? ptrace_notify+0xfa/0x140 [ 267.115163][ T7166] do_syscall_64+0x35/0xb0 [ 267.119592][ T7166] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 267.125502][ T7166] RIP: 0033:0x7fc128117db9 [ 267.129937][ T7166] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 267.149661][ T7166] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 267.158101][ T7166] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 267.166111][ T7166] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 267.174105][ T7166] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 267.182093][ T7166] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 267.190076][ T7166] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 267.198082][ T7166] [ 267.201109][ T7165] CPU: 1 PID: 7165 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 267.211650][ T7165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 267.221734][ T7165] Call Trace: [ 267.225015][ T7165] [ 267.227952][ T7165] dump_stack_lvl+0xcd/0x134 [ 267.232556][ T7165] should_fail.cold+0x5/0xa [ 267.237083][ T7165] get_futex_key+0x5b2/0x1c50 [ 267.241771][ T7165] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 267.247767][ T7165] ? futex_setup_timer+0xf0/0xf0 [ 267.252726][ T7165] futex_wake+0xe4/0x490 [ 267.256982][ T7165] ? futex_wake_mark+0x1a0/0x1a0 [ 267.261933][ T7165] ? ptrace_stop.part.0+0x5ec/0xa80 [ 267.267143][ T7165] ? do_raw_spin_lock+0x120/0x2a0 [ 267.272176][ T7165] ? rwlock_bug.part.0+0x90/0x90 [ 267.277117][ T7165] ? _raw_spin_lock_irq+0x41/0x50 [ 267.282280][ T7165] do_futex+0x266/0x300 [ 267.286453][ T7165] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 267.292355][ T7165] ? find_held_lock+0x2d/0x110 [ 267.297144][ T7165] __x64_sys_futex+0x1b0/0x4a0 [ 267.301927][ T7165] ? do_futex+0x300/0x300 [ 267.306282][ T7165] ? _raw_spin_unlock_irq+0x1f/0x40 [ 267.311500][ T7165] ? lockdep_hardirqs_on+0x79/0x100 [ 267.316706][ T7165] ? _raw_spin_unlock_irq+0x2a/0x40 [ 267.321917][ T7165] ? ptrace_notify+0xfa/0x140 [ 267.326615][ T7165] do_syscall_64+0x35/0xb0 [ 267.331040][ T7165] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 267.336939][ T7165] RIP: 0033:0x7fc128117db9 [ 267.341366][ T7165] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 267.361062][ T7165] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 267.369478][ T7165] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 267.377458][ T7165] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 267.385430][ T7165] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 267.393398][ T7165] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7167] write(4, "5", 1 [pid 7170] <... set_robust_list resumed>) = 0 [pid 7167] <... write resumed>) = 1 [pid 7170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7167] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7170] <... prctl resumed>) = 0 [pid 7167] <... setsockopt resumed>) = 0 [pid 7170] setpgid(0, 0 [pid 7167] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... setpgid resumed>) = 0 [pid 7170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7170] write(3, "1000", 4) = 4 [pid 7170] close(3) = 0 [pid 7170] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7170] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7170] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7171], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7171 [pid 7170] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7170] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7163] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7163] exit_group(0) = ? [pid 7170] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7170] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7170] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7170] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7172], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7172 [pid 7170] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7170] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7172 attached [pid 7172] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7172] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 7172] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7170] <... futex resumed>) = 0 [pid 7172] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] <... futex resumed>) = 0 [pid 7172] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7170] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7172] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7170] <... futex resumed>) = 0 [pid 7172] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] <... futex resumed>) = 0 [pid 7172] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7170] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7172] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7170] <... futex resumed>) = 0 [pid 7172] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] <... futex resumed>) = 0 [pid 7172] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7170] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7172] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7170] <... futex resumed>) = 0 [pid 7172] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] <... futex resumed>) = 0 [pid 7172] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7170] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7172] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7170] <... futex resumed>) = 0 [pid 7172] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] <... futex resumed>) = 0 [pid 7172] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7170] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7172] <... openat resumed>) = 3 [pid 7172] write(3, "5", 1) = 1 [pid 7172] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 7172] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7170] <... futex resumed>) = 0 [pid 7172] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7171 attached ./strace-static-x86_64: Process 7169 attached ./strace-static-x86_64: Process 7168 attached [pid 7166] <... futex resumed>) = ? [pid 7166] +++ exited with 0 +++ [pid 7157] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7157, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7171] set_robust_list(0x7fc1280c99e0, 24 [pid 7169] set_robust_list(0x5555564f35e0, 24 [pid 7171] <... set_robust_list resumed>) = 0 [pid 7169] <... set_robust_list resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7173 [pid 7171] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7171] <... socket resumed>) = 4 [pid 7169] <... prctl resumed>) = 0 [pid 7171] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] setpgid(0, 0 [pid 7171] <... futex resumed>) = 0 [pid 7169] <... setpgid resumed>) = 0 [pid 7171] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] exit_group(0 [ 267.401365][ T7165] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 267.409350][ T7165] [ 267.416915][ T7167] CPU: 0 PID: 7167 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 267.427465][ T7167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 267.437542][ T7167] Call Trace: [ 267.440841][ T7167] [ 267.443792][ T7167] dump_stack_lvl+0xcd/0x134 [pid 7169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7172] <... futex resumed>) = ? [pid 7171] <... futex resumed>) = ? [pid 7170] <... exit_group resumed>) = ? [pid 7169] <... openat resumed>) = 3 [pid 7171] +++ exited with 0 +++ [pid 7169] write(3, "1000", 4./strace-static-x86_64: Process 7173 attached ) = 4 [pid 7173] set_robust_list(0x5555564f35e0, 24 [pid 7169] close(3 [pid 7168] set_robust_list(0x5555564f35e0, 24 [pid 7173] <... set_robust_list resumed>) = 0 [pid 7169] <... close resumed>) = 0 [pid 7168] <... set_robust_list resumed>) = 0 [pid 7173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7169] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7173] <... prctl resumed>) = 0 [pid 7169] <... futex resumed>) = 0 [pid 7168] <... prctl resumed>) = 0 [pid 7173] setpgid(0, 0 [pid 7169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7168] setpgid(0, 0 [pid 7173] <... setpgid resumed>) = 0 [pid 7169] <... mmap resumed>) = 0x7fc1280a9000 [pid 7168] <... setpgid resumed>) = 0 [pid 7173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7169] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [ 267.447939][ T7172] FAULT_INJECTION: forcing a failure. [ 267.447939][ T7172] name fail_futex, interval 1, probability 0, space 0, times 0 [ 267.448399][ T7167] should_fail.cold+0x5/0xa [ 267.465657][ T7167] get_futex_key+0x5b2/0x1c50 [ 267.470362][ T7167] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 267.476376][ T7167] ? futex_setup_timer+0xf0/0xf0 [ 267.481349][ T7167] futex_wake+0xe4/0x490 [ 267.485618][ T7167] ? futex_wake_mark+0x1a0/0x1a0 [ 267.490565][ T7167] ? ptrace_stop.part.0+0x5ec/0xa80 [ 267.495780][ T7167] ? do_raw_spin_lock+0x120/0x2a0 [ 267.500831][ T7167] ? rwlock_bug.part.0+0x90/0x90 [ 267.505797][ T7167] ? _raw_spin_lock_irq+0x41/0x50 [ 267.510855][ T7167] do_futex+0x266/0x300 [ 267.515034][ T7167] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 267.520946][ T7167] ? find_held_lock+0x2d/0x110 [ 267.525746][ T7167] __x64_sys_futex+0x1b0/0x4a0 [ 267.530535][ T7167] ? do_futex+0x300/0x300 [ 267.534880][ T7167] ? _raw_spin_unlock_irq+0x1f/0x40 [ 267.540103][ T7167] ? lockdep_hardirqs_on+0x79/0x100 [ 267.545317][ T7167] ? _raw_spin_unlock_irq+0x2a/0x40 [ 267.550537][ T7167] ? ptrace_notify+0xfa/0x140 [ 267.555243][ T7167] do_syscall_64+0x35/0xb0 [ 267.559682][ T7167] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 267.565620][ T7167] RIP: 0033:0x7fc128117db9 [ 267.570052][ T7167] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 267.589686][ T7167] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 267.598159][ T7167] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 267.606152][ T7167] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 267.614131][ T7167] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 267.622120][ T7167] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 267.630139][ T7167] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 267.638144][ T7167] [ 267.641168][ T7172] CPU: 1 PID: 7172 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 267.651689][ T7172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 267.661743][ T7172] Call Trace: [ 267.665020][ T7172] [ 267.667950][ T7172] dump_stack_lvl+0xcd/0x134 [ 267.672548][ T7172] should_fail.cold+0x5/0xa [ 267.677053][ T7172] get_futex_key+0x282/0x1c50 [ 267.681733][ T7172] ? __lock_acquire+0x163e/0x5660 [ 267.686772][ T7172] ? futex_setup_timer+0xf0/0xf0 [ 267.691724][ T7172] futex_wake+0xe4/0x490 [ 267.695972][ T7172] ? futex_wake_mark+0x1a0/0x1a0 [ 267.700916][ T7172] ? find_held_lock+0x2d/0x110 [ 267.705695][ T7172] do_futex+0x266/0x300 [ 267.709871][ T7172] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 267.715783][ T7172] mm_release+0x235/0x2c0 [ 267.720115][ T7172] do_exit+0x8a0/0x29d0 [ 267.724278][ T7172] ? find_held_lock+0x2d/0x110 [ 267.729051][ T7172] ? mm_update_next_owner+0x7a0/0x7a0 [ 267.734423][ T7172] ? lock_downgrade+0x6e0/0x6e0 [ 267.739279][ T7172] do_group_exit+0xd2/0x2f0 [ 267.743790][ T7172] get_signal+0x2542/0x2600 [ 267.748303][ T7172] ? exit_signals+0x8b0/0x8b0 [ 267.752979][ T7172] ? userns_owner+0x40/0x40 [ 267.757488][ T7172] ? __task_pid_nr_ns+0x168/0x4b0 [ 267.762519][ T7172] ? lock_downgrade+0x6e0/0x6e0 [ 267.767377][ T7172] arch_do_signal_or_restart+0x82/0x2300 [ 267.773015][ T7172] ? from_kuid_munged+0xa2/0x130 [ 267.777958][ T7172] ? find_held_lock+0x2d/0x110 [ 267.782726][ T7172] ? get_sigframe_size+0x10/0x10 [ 267.787666][ T7172] ? ptrace_notify+0xfa/0x140 [ 267.792343][ T7172] ? lock_downgrade+0x6e0/0x6e0 [ 267.797197][ T7172] ? send_sig+0xfe/0x160 [ 267.801441][ T7172] ? send_sig_info+0x140/0x140 [ 267.806210][ T7172] ? exit_to_user_mode_prepare+0x137/0x250 [ 267.812020][ T7172] exit_to_user_mode_prepare+0x15f/0x250 [ 267.817653][ T7172] syscall_exit_to_user_mode+0x19/0x50 [ 267.823116][ T7172] do_syscall_64+0x42/0xb0 [ 267.827531][ T7172] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 267.833429][ T7172] RIP: 0033:0x7fc128117db9 [ 267.837843][ T7172] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 267.857451][ T7172] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 267.865865][ T7172] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 267.873838][ T7172] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 267.881808][ T7172] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 267.890213][ T7172] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [pid 7168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7173] <... openat resumed>) = 3 [pid 7169] <... mprotect resumed>) = 0 [pid 7168] <... openat resumed>) = 3 [pid 7173] write(3, "1000", 4 [pid 7169] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7168] write(3, "1000", 4 [pid 7173] <... write resumed>) = 4 [pid 7168] <... write resumed>) = 4 [pid 7173] close(3 [pid 7169] <... clone resumed>, parent_tid=[7174], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7174 [pid 7168] close(3 [pid 7173] <... close resumed>) = 0 [pid 7169] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... close resumed>) = 0 [pid 7173] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] <... futex resumed>) = 0 [pid 7168] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7169] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] <... futex resumed>) = 0 [pid 7173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7173] <... mmap resumed>) = 0x7fc1280a9000 [pid 7168] <... mmap resumed>) = 0x7fc1280a9000 [pid 7173] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7168] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7173] <... mprotect resumed>) = 0 [pid 7168] <... mprotect resumed>) = 0 [pid 7173] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7168] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7173] <... clone resumed>, parent_tid=[7175], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7175 [pid 7168] <... clone resumed>, parent_tid=[7176], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7176 [pid 7173] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7168] <... futex resumed>) = 0 [pid 7173] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7165] <... futex resumed>) = ? [pid 7165] +++ exited with 0 +++ [pid 7159] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7159, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7177 [pid 7169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7169] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7177 attached [pid 7169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7177] set_robust_list(0x5555564f35e0, 24 [pid 7169] <... mmap resumed>) = 0x7fc128088000 [pid 7177] <... set_robust_list resumed>) = 0 [pid 7169] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7169] <... mprotect resumed>) = 0 [pid 7177] <... prctl resumed>) = 0 [pid 7169] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7177] setpgid(0, 0) = 0 [pid 7169] <... clone resumed>, parent_tid=[7178], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7178 [pid 7177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7169] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] <... openat resumed>) = 3 [pid 7173] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] <... futex resumed>) = 0 [pid 7168] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7177] write(3, "1000", 4 [pid 7173] <... futex resumed>) = 0 [pid 7169] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] <... write resumed>) = 4 [pid 7173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7168] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7178 attached [pid 7177] close(3 [pid 7173] <... mmap resumed>) = 0x7fc128088000 [pid 7168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7178] set_robust_list(0x7fc1280a89e0, 24 [pid 7177] <... close resumed>) = 0 [pid 7173] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7168] <... mmap resumed>) = 0x7fc128088000 [pid 7178] <... set_robust_list resumed>) = 0 [pid 7177] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... mprotect resumed>) = 0 [pid 7168] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7178] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7177] <... futex resumed>) = 0 [pid 7173] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7168] <... mprotect resumed>) = 0 [pid 7178] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7168] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7178] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] <... mmap resumed>) = 0x7fc1280a9000 [pid 7173] <... clone resumed>, parent_tid=[7179], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7179 [pid 7178] <... futex resumed>) = 1 [pid 7177] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7173] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] <... futex resumed>) = 0 [pid 7168] <... clone resumed>, parent_tid=[7180], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7180 [pid 7178] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] <... mprotect resumed>) = 0 [pid 7173] <... futex resumed>) = 0 [pid 7169] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7177] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7173] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] <... futex resumed>) = 0 [pid 7168] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7180 attached ./strace-static-x86_64: Process 7179 attached [pid 7178] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7169] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] set_robust_list(0x7fc1280a89e0, 24 [pid 7179] set_robust_list(0x7fc1280a89e0, 24 [pid 7178] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] <... clone resumed>, parent_tid=[7181], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7181 [pid 7180] <... set_robust_list resumed>) = 0 [pid 7179] <... set_robust_list resumed>) = 0 [pid 7178] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7179] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7178] <... futex resumed>) = 1 [pid 7177] <... futex resumed>) = 0 [pid 7169] <... futex resumed>) = 0 [pid 7180] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7179] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7169] <... futex resumed>) = 0 [pid 7180] <... futex resumed>) = 1 [pid 7179] <... futex resumed>) = 1 [pid 7178] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7173] <... futex resumed>) = 0 [pid 7169] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] <... futex resumed>) = 0 [pid 7180] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7173] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7168] <... futex resumed>) = 0 [pid 7180] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7179] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7178] <... futex resumed>) = 1 [pid 7173] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] <... futex resumed>) = 0 [pid 7168] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7179] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7169] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7169] <... futex resumed>) = 0 [pid 7180] <... futex resumed>) = 1 [pid 7179] <... futex resumed>) = 1 [pid 7178] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7173] <... futex resumed>) = 0 [pid 7169] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] <... futex resumed>) = 0 [pid 7180] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7173] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7168] <... futex resumed>) = 0 [pid 7180] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7179] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7178] <... futex resumed>) = 1 [pid 7173] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] <... futex resumed>) = 0 [pid 7168] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7180] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7179] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7169] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7169] <... futex resumed>) = 0 [pid 7180] <... futex resumed>) = 1 [pid 7179] <... futex resumed>) = 1 [pid 7178] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7173] <... futex resumed>) = 0 [pid 7169] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7174 attached [pid 7180] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7173] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] set_robust_list(0x7fc1280c99e0, 24 [pid 7173] <... futex resumed>) = 0 [pid 7168] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7181 attached ./strace-static-x86_64: Process 7176 attached ./strace-static-x86_64: Process 7175 attached [pid 7180] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7179] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7178] <... futex resumed>) = 1 [pid 7177] <... futex resumed>) = 0 [pid 7174] <... set_robust_list resumed>) = 0 [pid 7173] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] <... futex resumed>) = 0 [pid 7168] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] set_robust_list(0x7fc1280c99e0, 24 [pid 7180] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7179] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7176] set_robust_list(0x7fc1280c99e0, 24 [pid 7175] set_robust_list(0x7fc1280c99e0, 24 [pid 7174] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7169] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... set_robust_list resumed>) = 0 [pid 7180] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7179] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7177] <... mmap resumed>) = 0x7fc128088000 [pid 7176] <... set_robust_list resumed>) = 0 [pid 7175] <... set_robust_list resumed>) = 0 [pid 7174] <... socket resumed>) = 3 [pid 7169] <... futex resumed>) = 0 [pid 7181] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7180] <... futex resumed>) = 1 [pid 7179] <... futex resumed>) = 1 [pid 7178] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7177] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7176] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7175] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7174] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7169] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] <... futex resumed>) = 0 [pid 7181] <... socket resumed>) = 3 [pid 7180] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7179] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] <... openat resumed>) = 4 [pid 7177] <... mprotect resumed>) = 0 [pid 7176] <... socket resumed>) = 3 [pid 7175] <... socket resumed>) = 3 [pid 7174] <... futex resumed>) = 0 [pid 7173] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] write(4, "5", 1 [pid 7177] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7176] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7175] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7173] <... futex resumed>) = 0 [pid 7168] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = 0 [ 267.898193][ T7172] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 267.906263][ T7172] [pid 7180] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7179] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7178] <... write resumed>) = 1 [pid 7176] <... futex resumed>) = 0 [pid 7175] <... futex resumed>) = 0 [pid 7173] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7182 attached [pid 7181] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7180] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 7179] <... sendto resumed>) = -1 EPIPE (Broken pipe) [pid 7178] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7177] <... clone resumed>, parent_tid=[7182], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7182 [pid 7176] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7175] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7182] set_robust_list(0x7fc1280a89e0, 24 [pid 7180] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=7168, si_uid=0} --- [pid 7179] --- SIGPIPE {si_signo=SIGPIPE, si_code=SI_USER, si_pid=7173, si_uid=0} --- [pid 7178] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 7177] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] <... set_robust_list resumed>) = 0 [pid 7178] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7177] <... futex resumed>) = 0 [pid 7176] <... futex resumed>) = ? [pid 7175] <... futex resumed>) = ? [pid 7173] <... futex resumed>) = ? [pid 7168] <... futex resumed>) = ? [pid 7182] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7180] +++ killed by SIGPIPE +++ [pid 7179] +++ killed by SIGPIPE +++ [pid 7178] <... futex resumed>) = 1 [pid 7177] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7176] +++ killed by SIGPIPE +++ [pid 7175] +++ killed by SIGPIPE +++ [pid 7173] +++ killed by SIGPIPE +++ [pid 7169] <... futex resumed>) = 0 [pid 7168] +++ killed by SIGPIPE +++ [pid 7182] <... setsockopt resumed>) = 0 [pid 7178] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7169] exit_group(0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7173, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 7182] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = ? [pid 7174] <... futex resumed>) = ? [pid 7169] <... exit_group resumed>) = ? [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=7168, si_uid=0, si_status=SIGPIPE, si_utime=0, si_stime=0} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 7182] <... futex resumed>) = 1 [pid 7178] +++ exited with 0 +++ [pid 7177] <... futex resumed>) = 0 [pid 7174] +++ exited with 0 +++ [pid 7169] +++ exited with 0 +++ [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] <... restart_syscall resumed>) = 0 [pid 7182] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7169, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7181] <... futex resumed>) = 0 [pid 7177] <... futex resumed>) = 1 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7183 ./strace-static-x86_64: Process 7183 attached [pid 7181] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7177] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7183] set_robust_list(0x5555564f35e0, 24 [pid 7181] <... setsockopt resumed>) = 0 [pid 7181] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] <... set_robust_list resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7184 [pid 7183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7181] <... futex resumed>) = 1 [pid 7177] <... futex resumed>) = 0 [pid 7181] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7183] <... prctl resumed>) = 0 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7177] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7184 attached [pid 7183] setpgid(0, 0 [pid 7181] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7177] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7185 [pid 7184] set_robust_list(0x5555564f35e0, 24 [pid 7183] <... setpgid resumed>) = 0 [pid 7181] <... setsockopt resumed>) = 0 [pid 7184] <... set_robust_list resumed>) = 0 [pid 7183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7181] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7183] <... openat resumed>) = 3 [pid 7181] <... futex resumed>) = 1 [pid 7177] <... futex resumed>) = 0 [pid 7184] <... prctl resumed>) = 0 [pid 7183] write(3, "1000", 4 [pid 7181] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] setpgid(0, 0 [pid 7183] <... write resumed>) = 4 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7177] <... futex resumed>) = 0 [pid 7184] <... setpgid resumed>) = 0 [pid 7183] close(3 [pid 7181] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7177] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7184] write(3, "1000", 4) = 4 [pid 7184] close(3) = 0 [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7185 attached [pid 7184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7183] <... close resumed>) = 0 [pid 7181] <... sendto resumed>) = 1 [pid 7185] set_robust_list(0x5555564f35e0, 24 [pid 7184] <... mmap resumed>) = 0x7fc1280a9000 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... set_robust_list resumed>) = 0 [pid 7184] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7183] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = 1 [pid 7177] <... futex resumed>) = 0 [pid 7185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7184] <... mprotect resumed>) = 0 [pid 7183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7181] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... prctl resumed>) = 0 [pid 7184] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7183] <... mmap resumed>) = 0x7fc1280a9000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7177] <... futex resumed>) = 0 [pid 7185] setpgid(0, 0 [pid 7183] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7181] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7177] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7185] <... setpgid resumed>) = 0 [pid 7184] <... clone resumed>, parent_tid=[7186], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7186 [pid 7183] <... mprotect resumed>) = 0 [pid 7181] <... sendto resumed>) = 1 [pid 7184] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7181] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7184] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = 1 [pid 7177] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7186 attached [pid 7185] <... openat resumed>) = 3 [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] <... clone resumed>, parent_tid=[7187], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7187 [pid 7181] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7187 attached [pid 7186] set_robust_list(0x7fc1280c99e0, 24 [pid 7185] write(3, "1000", 4 [pid 7183] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7177] <... futex resumed>) = 0 [pid 7172] +++ exited with 0 +++ [pid 7170] +++ exited with 0 +++ [pid 7167] <... futex resumed>) = ? [pid 7185] <... write resumed>) = 4 [pid 7183] <... futex resumed>) = 0 [pid 7181] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7177] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7185] close(3 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7186] <... set_robust_list resumed>) = 0 [pid 7185] <... close resumed>) = 0 [pid 7181] <... openat resumed>) = 4 [pid 7167] +++ exited with 0 +++ [pid 7163] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7170, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 7186] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] write(4, "5", 1 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7163, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7186] <... socket resumed>) = 3 [pid 7185] <... futex resumed>) = 0 [pid 7181] <... write resumed>) = 1 [pid 7186] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7181] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7186] <... futex resumed>) = 1 [pid 7185] <... mmap resumed>) = 0x7fc1280a9000 [pid 7184] <... futex resumed>) = 0 [pid 7181] <... setsockopt resumed>) = 0 [pid 7186] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7184] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7188 [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] <... mprotect resumed>) = 0 [pid 7184] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = 1 [pid 7177] <... futex resumed>) = 0 [pid 7187] set_robust_list(0x7fc1280c99e0, 24 [pid 7186] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7185] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7177] exit_group(0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7188 attached [pid 7187] <... set_robust_list resumed>) = 0 [pid 7186] <... setsockopt resumed>) = 0 [pid 7182] <... futex resumed>) = ? [pid 7181] <... futex resumed>) = ? [pid 7177] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7189 attached [pid 7188] set_robust_list(0x5555564f35e0, 24 [pid 7187] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7186] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... clone resumed>, parent_tid=[7189], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7189 [pid 7182] +++ exited with 0 +++ [pid 7181] +++ exited with 0 +++ [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7190 [pid 7187] <... socket resumed>) = 3 [pid 7186] <... futex resumed>) = 1 [pid 7185] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... futex resumed>) = 0 [pid 7177] +++ exited with 0 +++ [pid 7188] <... set_robust_list resumed>) = 0 [pid 7189] set_robust_list(0x7fc1280c99e0, 24./strace-static-x86_64: Process 7190 attached ) = 0 [pid 7188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7187] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... futex resumed>) = 0 [pid 7184] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7177, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7190] set_robust_list(0x5555564f35e0, 24 [pid 7189] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7188] <... prctl resumed>) = 0 [pid 7187] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7190] <... set_robust_list resumed>) = 0 [pid 7189] <... socket resumed>) = 3 [pid 7188] setpgid(0, 0 [pid 7187] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7189] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... setpgid resumed>) = 0 [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... setsockopt resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7190] <... prctl resumed>) = 0 [pid 7189] <... futex resumed>) = 1 [pid 7188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7187] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7186] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... futex resumed>) = 0 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] setpgid(0, 0 [pid 7189] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] <... openat resumed>) = 3 [pid 7187] <... setsockopt resumed>) = 0 [pid 7186] <... futex resumed>) = 1 [pid 7185] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... futex resumed>) = 0 [pid 7190] <... setpgid resumed>) = 0 [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7188] write(3, "1000", 4 [pid 7187] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... futex resumed>) = 0 [pid 7184] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7189] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7188] <... write resumed>) = 4 [pid 7187] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7190] <... openat resumed>) = 3 [pid 7189] <... setsockopt resumed>) = 0 [pid 7188] close(3 [pid 7187] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7191 ./strace-static-x86_64: Process 7191 attached [pid 7190] write(3, "1000", 4 [pid 7189] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... close resumed>) = 0 [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... setsockopt resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7191] set_robust_list(0x5555564f35e0, 24 [pid 7190] <... write resumed>) = 4 [pid 7189] <... futex resumed>) = 1 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7186] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... futex resumed>) = 0 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7191] <... set_robust_list resumed>) = 0 [pid 7190] close(3 [pid 7189] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] <... futex resumed>) = 0 [pid 7187] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7186] <... futex resumed>) = 1 [pid 7185] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... futex resumed>) = 0 [pid 7191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7190] <... close resumed>) = 0 [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7187] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... futex resumed>) = 0 [pid 7184] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] <... prctl resumed>) = 0 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7188] <... mmap resumed>) = 0x7fc1280a9000 [pid 7187] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7191] setpgid(0, 0 [pid 7190] <... futex resumed>) = 0 [pid 7189] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7188] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7187] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] <... setpgid resumed>) = 0 [pid 7190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7189] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... mprotect resumed>) = 0 [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... sendto resumed>) = 1 [pid 7183] <... futex resumed>) = 0 [pid 7191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7190] <... mmap resumed>) = 0x7fc1280a9000 [pid 7189] <... futex resumed>) = 1 [pid 7188] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7187] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7186] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... futex resumed>) = 0 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7191] <... openat resumed>) = 3 [pid 7190] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7189] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... setsockopt resumed>) = 0 [pid 7186] <... futex resumed>) = 1 [pid 7185] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... futex resumed>) = 0 [pid 7191] write(3, "1000", 4 [pid 7190] <... mprotect resumed>) = 0 [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7188] <... clone resumed>, parent_tid=[7192], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7192 [pid 7187] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... futex resumed>) = 0 [pid 7184] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7192 attached [pid 7191] <... write resumed>) = 4 [pid 7190] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7189] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7188] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7192] set_robust_list(0x7fc1280c99e0, 24 [pid 7191] close(3 [pid 7189] <... setsockopt resumed>) = 0 [pid 7188] <... futex resumed>) = 0 [pid 7187] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... set_robust_list resumed>) = 0 [pid 7191] <... close resumed>) = 0 [pid 7190] <... clone resumed>, parent_tid=[7193], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7193 [pid 7189] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... sendto resumed>) = 1 [pid 7183] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7193 attached [pid 7192] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] <... futex resumed>) = 1 [pid 7187] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7186] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] <... futex resumed>) = 0 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] set_robust_list(0x7fc1280c99e0, 24 [pid 7192] <... socket resumed>) = 3 [pid 7191] <... futex resumed>) = 0 [pid 7190] <... futex resumed>) = 0 [pid 7189] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... sendto resumed>) = 1 [pid 7186] <... futex resumed>) = 1 [pid 7185] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... futex resumed>) = 0 [pid 7193] <... set_robust_list resumed>) = 0 [pid 7192] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7187] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... futex resumed>) = 0 [pid 7184] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7192] <... futex resumed>) = 1 [pid 7191] <... mmap resumed>) = 0x7fc1280a9000 [pid 7189] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7188] <... futex resumed>) = 0 [pid 7187] <... futex resumed>) = 1 [pid 7186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7193] <... socket resumed>) = 3 [pid 7192] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7189] <... sendto resumed>) = 1 [pid 7188] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7184] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] <... mprotect resumed>) = 0 [pid 7189] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... futex resumed>) = 0 [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... openat resumed>) = 4 [pid 7183] <... futex resumed>) = 0 [pid 7193] <... futex resumed>) = 1 [pid 7192] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7191] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7190] <... futex resumed>) = 0 [pid 7189] <... futex resumed>) = 1 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7187] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7186] write(4, "5", 1 [pid 7185] <... futex resumed>) = 0 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] <... setsockopt resumed>) = 0 [pid 7190] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7186] <... write resumed>) = 1 [pid 7185] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7191] <... clone resumed>, parent_tid=[7194], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7194 [pid 7190] <... futex resumed>) = 0 [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7187] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7185] <... futex resumed>) = 0 [pid 7193] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7192] <... futex resumed>) = 1 [pid 7191] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7188] <... futex resumed>) = 0 [pid 7187] <... futex resumed>) = 1 [pid 7186] <... setsockopt resumed>) = 0 [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7194 attached [pid 7193] <... setsockopt resumed>) = 0 [pid 7192] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] <... futex resumed>) = 0 [pid 7189] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7188] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7186] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] set_robust_list(0x7fc1280c99e0, 24 [pid 7193] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... futex resumed>) = 0 [pid 7187] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7186] <... futex resumed>) = 1 [pid 7184] <... futex resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7194] <... set_robust_list resumed>) = 0 [pid 7193] <... futex resumed>) = 1 [pid 7192] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7190] <... futex resumed>) = 0 [pid 7189] <... futex resumed>) = 1 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7187] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7186] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] <... futex resumed>) = 0 [pid 7184] exit_group(0 [pid 7183] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7193] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7190] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] <... openat resumed>) = 4 [pid 7186] <... futex resumed>) = ? [pid 7185] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... exit_group resumed>) = ? [pid 7194] <... socket resumed>) = 3 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... futex resumed>) = 0 [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7187] write(4, "5", 1 [pid 7186] +++ exited with 0 +++ [pid 7185] <... futex resumed>) = 0 [pid 7184] +++ exited with 0 +++ [pid 7194] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7192] <... futex resumed>) = 1 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7188] <... futex resumed>) = 0 [pid 7187] <... write resumed>) = 1 [pid 7185] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] <... futex resumed>) = 1 [pid 7193] <... setsockopt resumed>) = 0 [pid 7192] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] <... futex resumed>) = 0 [pid 7189] <... openat resumed>) = 4 [pid 7188] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7187] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7184, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7194] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7193] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] write(4, "5", 1 [pid 7188] <... futex resumed>) = 0 [pid 7187] <... setsockopt resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 7194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7193] <... futex resumed>) = 1 [pid 7192] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7191] <... futex resumed>) = 0 [pid 7190] <... futex resumed>) = 0 [pid 7189] <... write resumed>) = 1 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7187] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... restart_syscall resumed>) = 0 [pid 7194] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7193] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] <... setsockopt resumed>) = 0 [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7189] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7194] <... setsockopt resumed>) = 0 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... futex resumed>) = 0 [pid 7189] <... setsockopt resumed>) = 0 [pid 7194] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7192] <... futex resumed>) = 1 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7189] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... futex resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7194] <... futex resumed>) = 1 [pid 7193] <... setsockopt resumed>) = 0 [pid 7192] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] <... futex resumed>) = 0 [pid 7194] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7195 ./strace-static-x86_64: Process 7195 attached [pid 7195] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7195] setpgid(0, 0) = 0 [pid 7183] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7193] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7193] <... futex resumed>) = 1 [pid 7192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... futex resumed>) = 0 [pid 7183] exit_group(0 [pid 7195] <... openat resumed>) = 3 [pid 7183] <... exit_group resumed>) = ? [pid 7195] write(3, "1000", 4) = 4 [pid 7195] close(3) = 0 [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7195] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7195] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7196], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7196 [pid 7195] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 268.139916][ T7187] FAULT_INJECTION: forcing a failure. [ 268.139916][ T7187] name fail_futex, interval 1, probability 0, space 0, times 0 [ 268.159457][ T7189] FAULT_INJECTION: forcing a failure. [ 268.159457][ T7189] name fail_futex, interval 1, probability 0, space 0, times 0 [ 268.175470][ T7187] CPU: 0 PID: 7187 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7196 attached [pid 7196] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7196] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7196] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7195] <... futex resumed>) = 0 [pid 7196] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7196] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7196] <... setsockopt resumed>) = 0 [pid 7196] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7195] <... futex resumed>) = 0 [pid 7196] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7196] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7196] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7196] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7195] <... futex resumed>) = 0 [pid 7196] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 268.186018][ T7187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 268.196097][ T7187] Call Trace: [ 268.199405][ T7187] [ 268.202357][ T7187] dump_stack_lvl+0xcd/0x134 [ 268.206993][ T7187] should_fail.cold+0x5/0xa [ 268.211536][ T7187] get_futex_key+0x5b2/0x1c50 [ 268.216241][ T7187] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 268.222234][ T7187] ? futex_setup_timer+0xf0/0xf0 [ 268.227189][ T7187] futex_wake+0xe4/0x490 [ 268.231452][ T7187] ? futex_wake_mark+0x1a0/0x1a0 [ 268.236392][ T7187] ? ptrace_stop.part.0+0x5ec/0xa80 [ 268.242290][ T7187] ? do_raw_spin_lock+0x120/0x2a0 [ 268.247317][ T7187] ? rwlock_bug.part.0+0x90/0x90 [ 268.252257][ T7187] ? _raw_spin_lock_irq+0x41/0x50 [ 268.257292][ T7187] do_futex+0x266/0x300 [ 268.261544][ T7187] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 268.267438][ T7187] ? find_held_lock+0x2d/0x110 [ 268.272216][ T7187] __x64_sys_futex+0x1b0/0x4a0 [ 268.276988][ T7187] ? do_futex+0x300/0x300 [ 268.281321][ T7187] ? _raw_spin_unlock_irq+0x1f/0x40 [ 268.286537][ T7187] ? lockdep_hardirqs_on+0x79/0x100 [ 268.291742][ T7187] ? _raw_spin_unlock_irq+0x2a/0x40 [ 268.296946][ T7187] ? ptrace_notify+0xfa/0x140 [ 268.301629][ T7187] do_syscall_64+0x35/0xb0 [ 268.306048][ T7187] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 268.311944][ T7187] RIP: 0033:0x7fc128117db9 [ 268.316363][ T7187] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7195] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = 0 [pid 7193] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7191] <... futex resumed>) = 1 [pid 7190] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... futex resumed>) = 0 [pid 7185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7196] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... sendto resumed>) = 1 [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7190] <... futex resumed>) = 0 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 268.336029][ T7187] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 268.344490][ T7187] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 268.352645][ T7187] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 268.360617][ T7187] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 268.368604][ T7187] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 268.376593][ T7187] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 268.384590][ T7187] [pid 7185] exit_group(0 [pid 7196] <... setsockopt resumed>) = 0 [pid 7194] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7193] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7192] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7185] <... exit_group resumed>) = ? [pid 7196] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 1 [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = 1 [pid 7191] <... futex resumed>) = 0 [pid 7196] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] <... futex resumed>) = 0 [pid 7196] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7196] <... sendto resumed>) = 1 [pid 7194] <... setsockopt resumed>) = 0 [pid 7196] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 1 [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = 1 [pid 7191] <... futex resumed>) = 0 [pid 7196] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] <... futex resumed>) = 0 [pid 7196] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7196] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7194] <... sendto resumed>) = 1 [pid 7196] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = 1 [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = 1 [pid 7191] <... futex resumed>) = 0 [pid 7196] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] <... futex resumed>) = 0 [pid 7196] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7195] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7196] <... openat resumed>) = 4 [pid 7194] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7196] write(4, "5", 1 [pid 7194] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... write resumed>) = 1 [pid 7194] <... futex resumed>) = 1 [pid 7191] <... futex resumed>) = 0 [pid 7196] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7194] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7191] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7196] <... setsockopt resumed>) = 0 [pid 7194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7191] <... futex resumed>) = 0 [ 268.400577][ T7189] CPU: 0 PID: 7189 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 268.411135][ T7189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 268.421219][ T7189] Call Trace: [ 268.424522][ T7189] [ 268.427474][ T7189] dump_stack_lvl+0xcd/0x134 [ 268.432104][ T7189] should_fail.cold+0x5/0xa [ 268.436643][ T7189] get_futex_key+0x5b2/0x1c50 [ 268.440687][ T7196] FAULT_INJECTION: forcing a failure. [ 268.440687][ T7196] name fail_futex, interval 1, probability 0, space 0, times 0 [ 268.441330][ T7189] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 268.441365][ T7189] ? futex_setup_timer+0xf0/0xf0 [ 268.441399][ T7189] futex_wake+0xe4/0x490 [ 268.441428][ T7189] ? futex_wake_mark+0x1a0/0x1a0 [ 268.441453][ T7189] ? ptrace_stop.part.0+0x5ec/0xa80 [ 268.459542][ T7194] FAULT_INJECTION: forcing a failure. [ 268.459542][ T7194] name fail_futex, interval 1, probability 0, space 0, times 0 [ 268.460254][ T7189] ? do_raw_spin_lock+0x120/0x2a0 [pid 7196] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7191] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] <... openat resumed>) = 4 [pid 7194] write(4, "5", 1) = 1 [pid 7194] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7194] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7195] exit_group(0) = ? [pid 7191] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7191] exit_group(0) = ? [ 268.460288][ T7189] ? rwlock_bug.part.0+0x90/0x90 [ 268.460311][ T7189] ? _raw_spin_lock_irq+0x41/0x50 [ 268.507433][ T7189] do_futex+0x266/0x300 [ 268.511620][ T7189] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 268.517537][ T7189] ? find_held_lock+0x2d/0x110 [ 268.522320][ T7189] __x64_sys_futex+0x1b0/0x4a0 [ 268.527107][ T7189] ? do_futex+0x300/0x300 [ 268.531452][ T7189] ? _raw_spin_unlock_irq+0x1f/0x40 [ 268.536665][ T7189] ? lockdep_hardirqs_on+0x79/0x100 [ 268.541876][ T7189] ? _raw_spin_unlock_irq+0x2a/0x40 [ 268.547093][ T7189] ? ptrace_notify+0xfa/0x140 [ 268.551783][ T7189] do_syscall_64+0x35/0xb0 [ 268.556206][ T7189] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 268.562107][ T7189] RIP: 0033:0x7fc128117db9 [ 268.566530][ T7189] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 268.586153][ T7189] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7192] <... futex resumed>) = 0 [ 268.594573][ T7189] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 268.602552][ T7189] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 268.610532][ T7189] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 268.619140][ T7189] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 268.627125][ T7189] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 268.635125][ T7189] [ 268.642483][ T7194] CPU: 1 PID: 7194 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 268.653034][ T7194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 268.663103][ T7194] Call Trace: [ 268.666395][ T7194] [ 268.669349][ T7194] dump_stack_lvl+0xcd/0x134 [ 268.673966][ T7194] should_fail.cold+0x5/0xa [ 268.678492][ T7194] get_futex_key+0x5b2/0x1c50 [ 268.683183][ T7194] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 268.689187][ T7194] ? futex_setup_timer+0xf0/0xf0 [ 268.694152][ T7194] futex_wake+0xe4/0x490 [ 268.698419][ T7194] ? futex_wake_mark+0x1a0/0x1a0 [ 268.703376][ T7194] ? ptrace_stop.part.0+0x5ec/0xa80 [ 268.708599][ T7194] ? do_raw_spin_lock+0x120/0x2a0 [ 268.713639][ T7194] ? rwlock_bug.part.0+0x90/0x90 [ 268.718592][ T7194] ? _raw_spin_lock_irq+0x41/0x50 [ 268.723643][ T7194] do_futex+0x266/0x300 [ 268.727814][ T7194] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 268.733720][ T7194] ? find_held_lock+0x2d/0x110 [ 268.738511][ T7194] __x64_sys_futex+0x1b0/0x4a0 [ 268.743297][ T7194] ? do_futex+0x300/0x300 [ 268.747643][ T7194] ? _raw_spin_unlock_irq+0x1f/0x40 [ 268.752864][ T7194] ? lockdep_hardirqs_on+0x79/0x100 [ 268.758077][ T7194] ? _raw_spin_unlock_irq+0x2a/0x40 [ 268.763292][ T7194] ? ptrace_notify+0xfa/0x140 [ 268.767989][ T7194] do_syscall_64+0x35/0xb0 [ 268.772419][ T7194] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 268.778333][ T7194] RIP: 0033:0x7fc128117db9 [ 268.782763][ T7194] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 268.802408][ T7194] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 268.810837][ T7194] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 268.818822][ T7194] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 268.826812][ T7194] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 268.834875][ T7194] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 268.842849][ T7194] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 7188] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... sendto resumed>) = 1 [pid 7192] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7188] <... futex resumed>) = 0 [pid 7193] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7190] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] <... futex resumed>) = 0 [pid 7192] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] <... futex resumed>) = 0 [pid 7188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7193] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7192] <... futex resumed>) = 0 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7188] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... sendto resumed>) = 1 [pid 7192] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7188] <... futex resumed>) = 0 [pid 7193] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... openat resumed>) = 4 [pid 7188] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] <... futex resumed>) = 1 [pid 7192] write(4, "5", 1 [pid 7190] <... futex resumed>) = 0 [pid 7193] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7192] <... write resumed>) = 1 [pid 7190] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7190] <... futex resumed>) = 0 [pid 7193] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7192] <... setsockopt resumed>) = 0 [pid 7190] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] <... openat resumed>) = 4 [ 268.850834][ T7194] [pid 7192] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [ 268.876796][ T7192] FAULT_INJECTION: forcing a failure. [ 268.876796][ T7192] name fail_futex, interval 1, probability 0, space 0, times 0 [ 268.878886][ T7196] CPU: 1 PID: 7196 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 268.900098][ T7196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 268.910240][ T7196] Call Trace: [ 268.913516][ T7196] [ 268.916445][ T7196] dump_stack_lvl+0xcd/0x134 [ 268.921042][ T7196] should_fail.cold+0x5/0xa [ 268.925558][ T7196] get_futex_key+0x5b2/0x1c50 [ 268.930323][ T7196] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 268.936391][ T7196] ? futex_setup_timer+0xf0/0xf0 [ 268.941337][ T7196] futex_wake+0xe4/0x490 [ 268.945581][ T7196] ? futex_wake_mark+0x1a0/0x1a0 [ 268.950519][ T7196] ? ptrace_stop.part.0+0x5ec/0xa80 [ 268.955738][ T7196] ? do_raw_spin_lock+0x120/0x2a0 [ 268.960767][ T7196] ? rwlock_bug.part.0+0x90/0x90 [ 268.965700][ T7196] ? _raw_spin_lock_irq+0x41/0x50 [ 268.970732][ T7196] do_futex+0x266/0x300 [ 268.974890][ T7196] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 268.980780][ T7196] ? find_held_lock+0x2d/0x110 [ 268.985557][ T7196] __x64_sys_futex+0x1b0/0x4a0 [ 268.990323][ T7196] ? do_futex+0x300/0x300 [ 268.994651][ T7196] ? _raw_spin_unlock_irq+0x1f/0x40 [ 268.999851][ T7196] ? lockdep_hardirqs_on+0x79/0x100 [ 269.005050][ T7196] ? _raw_spin_unlock_irq+0x2a/0x40 [ 269.010250][ T7196] ? ptrace_notify+0xfa/0x140 [ 269.014931][ T7196] do_syscall_64+0x35/0xb0 [ 269.019349][ T7196] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 269.025246][ T7196] RIP: 0033:0x7fc128117db9 [ 269.029663][ T7196] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 269.049271][ T7196] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 269.057685][ T7196] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 269.065657][ T7196] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7193] write(4, "5", 1) = 1 [pid 7190] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7188] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7189] <... futex resumed>) = ? [pid 7189] +++ exited with 0 +++ [pid 7185] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7185, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7197 [pid 7187] <... futex resumed>) = ? [pid 7193] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7193] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 269.073625][ T7196] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 269.081599][ T7196] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 269.089569][ T7196] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 269.097566][ T7196] [ 269.104522][ T7192] CPU: 0 PID: 7192 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 269.115412][ T7192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 7193] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7187] +++ exited with 0 +++ [pid 7183] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7183, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 3615] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7198 ./strace-static-x86_64: Process 7198 attached [pid 7198] set_robust_list(0x5555564f35e0, 24) = 0 [ 269.125495][ T7192] Call Trace: [ 269.128793][ T7192] [ 269.131739][ T7192] dump_stack_lvl+0xcd/0x134 [ 269.136365][ T7192] should_fail.cold+0x5/0xa [ 269.140903][ T7192] get_futex_key+0x5b2/0x1c50 [ 269.145609][ T7192] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 269.151634][ T7192] ? futex_setup_timer+0xf0/0xf0 [ 269.156722][ T7192] futex_wake+0xe4/0x490 [ 269.161002][ T7192] ? futex_wake_mark+0x1a0/0x1a0 [ 269.165975][ T7192] ? ptrace_stop.part.0+0x5ec/0xa80 [ 269.171207][ T7192] ? do_raw_spin_lock+0x120/0x2a0 [pid 7198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7198] setpgid(0, 0) = 0 [pid 7198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7198] write(3, "1000", 4) = 4 [pid 7198] close(3) = 0 [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7198] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7198] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [ 269.176261][ T7192] ? rwlock_bug.part.0+0x90/0x90 [ 269.181226][ T7192] ? _raw_spin_lock_irq+0x41/0x50 [ 269.186283][ T7192] do_futex+0x266/0x300 [ 269.190471][ T7192] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 269.196403][ T7192] ? find_held_lock+0x2d/0x110 [ 269.201207][ T7192] __x64_sys_futex+0x1b0/0x4a0 [ 269.206004][ T7192] ? do_futex+0x300/0x300 [ 269.210364][ T7192] ? _raw_spin_unlock_irq+0x1f/0x40 [ 269.215601][ T7192] ? lockdep_hardirqs_on+0x79/0x100 [ 269.220828][ T7192] ? _raw_spin_unlock_irq+0x2a/0x40 [ 269.220999][ T7199] FAULT_INJECTION: forcing a failure. [ 269.220999][ T7199] name fail_futex, interval 1, probability 0, space 0, times 0 [ 269.226038][ T7192] ? ptrace_notify+0xfa/0x140 [ 269.226069][ T7192] do_syscall_64+0x35/0xb0 [ 269.226091][ T7192] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 269.226119][ T7192] RIP: 0033:0x7fc128117db9 [ 269.258466][ T7192] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 269.278103][ T7192] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 269.286548][ T7192] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 269.294583][ T7192] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 269.302577][ T7192] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 269.310573][ T7192] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 269.318571][ T7192] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 7198] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7199], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7199 [pid 7198] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7199 attached [pid 7199] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7199] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7199] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7199] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7198] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7198] <... futex resumed>) = 0 [pid 7199] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7199] <... setsockopt resumed>) = 0 [pid 7199] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7199] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7198] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7198] <... futex resumed>) = 0 [pid 7199] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7199] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7199] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7199] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7198] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7198] <... futex resumed>) = 0 [pid 7199] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7199] <... setsockopt resumed>) = 0 [pid 7199] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7190] exit_group(0 [pid 7199] <... futex resumed>) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7193] <... futex resumed>) = ? [pid 7190] <... exit_group resumed>) = ? [pid 7199] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7198] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] +++ exited with 0 +++ [pid 7190] +++ exited with 0 +++ [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7198] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7199] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7199] <... sendto resumed>) = 1 [pid 7199] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7199] <... futex resumed>) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7199] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7198] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7200 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7198] <... futex resumed>) = 0 [pid 7199] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7200 attached [pid 7199] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7200] set_robust_list(0x5555564f35e0, 24 [pid 7199] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... set_robust_list resumed>) = 0 [pid 7199] <... futex resumed>) = 1 [pid 7198] <... futex resumed>) = 0 [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7199] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7198] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... prctl resumed>) = 0 [pid 7199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7198] <... futex resumed>) = 0 [pid 7200] setpgid(0, 0 [pid 7199] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7198] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7200] <... setpgid resumed>) = 0 [pid 7199] <... openat resumed>) = 4 [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7199] write(4, "5", 1 [pid 7200] <... openat resumed>) = 3 [pid 7199] <... write resumed>) = 1 [pid 7200] write(3, "1000", 4 [pid 7199] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7200] <... write resumed>) = 4 [pid 7199] <... setsockopt resumed>) = 0 [pid 7200] close(3 [pid 7199] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] <... close resumed>) = 0 [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7200] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7200] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7201], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7201 [pid 7200] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7201 attached [pid 7201] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7201] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7201] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7201] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 7201] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... setsockopt resumed>) = 0 [pid 7201] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7201] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 7201] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... setsockopt resumed>) = 0 [pid 7201] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7201] <... futex resumed>) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7198] exit_group(0 [pid 7201] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7198] <... exit_group resumed>) = ? [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 7201] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... setsockopt resumed>) = 0 [pid 7201] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7201] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 7201] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... sendto resumed>) = 1 [pid 7201] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7201] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 7201] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... sendto resumed>) = 1 [pid 7201] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7201] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7200] <... futex resumed>) = 0 [pid 7201] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7200] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7201] <... openat resumed>) = 4 [pid 7201] write(4, "5", 1) = 1 [pid 7201] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7201] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7200] <... futex resumed>) = 0 [pid 7201] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] exit_group(0 [pid 7201] <... futex resumed>) = ? [pid 7200] <... exit_group resumed>) = ? [pid 7201] +++ exited with 0 +++ [pid 7200] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7200, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7202 ./strace-static-x86_64: Process 7202 attached [pid 7202] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7188] exit_group(0./strace-static-x86_64: Process 7197 attached [pid 7202] setpgid(0, 0 [pid 7188] <... exit_group resumed>) = ? [pid 7202] <... setpgid resumed>) = 0 [pid 7202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7197] set_robust_list(0x5555564f35e0, 24 [pid 7202] <... openat resumed>) = 3 [pid 7197] <... set_robust_list resumed>) = 0 [pid 7202] write(3, "1000", 4 [pid 7197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7202] <... write resumed>) = 4 [pid 7197] <... prctl resumed>) = 0 [ 269.326585][ T7192] [ 269.346643][ T7199] CPU: 1 PID: 7199 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 269.357217][ T7199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 269.367289][ T7199] Call Trace: [ 269.370587][ T7199] [ 269.373534][ T7199] dump_stack_lvl+0xcd/0x134 [ 269.378251][ T7199] should_fail.cold+0x5/0xa [ 269.382775][ T7199] get_futex_key+0x5b2/0x1c50 [ 269.387474][ T7199] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 269.393502][ T7199] ? futex_setup_timer+0xf0/0xf0 [ 269.398466][ T7199] futex_wake+0xe4/0x490 [ 269.402729][ T7199] ? futex_wake_mark+0x1a0/0x1a0 [ 269.407702][ T7199] ? ptrace_stop.part.0+0x5ec/0xa80 [ 269.412931][ T7199] ? do_raw_spin_lock+0x120/0x2a0 [ 269.417970][ T7199] ? rwlock_bug.part.0+0x90/0x90 [ 269.422918][ T7199] ? _raw_spin_lock_irq+0x41/0x50 [ 269.427953][ T7199] do_futex+0x266/0x300 [ 269.432119][ T7199] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 269.438016][ T7199] ? find_held_lock+0x2d/0x110 [ 269.442792][ T7199] __x64_sys_futex+0x1b0/0x4a0 [ 269.447573][ T7199] ? do_futex+0x300/0x300 [ 269.451913][ T7199] ? _raw_spin_unlock_irq+0x1f/0x40 [ 269.457128][ T7199] ? lockdep_hardirqs_on+0x79/0x100 [ 269.462337][ T7199] ? _raw_spin_unlock_irq+0x2a/0x40 [ 269.467557][ T7199] ? ptrace_notify+0xfa/0x140 [ 269.472257][ T7199] do_syscall_64+0x35/0xb0 [ 269.476682][ T7199] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 269.482588][ T7199] RIP: 0033:0x7fc128117db9 [ 269.487018][ T7199] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 269.506626][ T7199] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 269.515039][ T7199] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 7202] close(3) = 0 [pid 7197] setpgid(0, 0 [pid 7196] <... futex resumed>) = ? [pid 7194] <... futex resumed>) = ? [pid 7192] <... futex resumed>) = ? [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7199] <... futex resumed>) = ? [pid 7197] <... setpgid resumed>) = 0 [pid 7194] +++ exited with 0 +++ [pid 7191] +++ exited with 0 +++ [pid 7202] <... futex resumed>) = 0 [pid 7197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7196] +++ exited with 0 +++ [pid 7195] +++ exited with 0 +++ [pid 7192] +++ exited with 0 +++ [pid 7188] +++ exited with 0 +++ [pid 7202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7197] <... openat resumed>) = 3 [pid 7197] write(3, "1000", 4) = 4 [pid 7197] close(3) = 0 [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7191, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7202] <... mmap resumed>) = 0x7fc1280a9000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7188, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7195, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 7202] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7197] <... futex resumed>) = 0 [pid 3614] restart_syscall(<... resuming interrupted clone ...> [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 7202] <... mprotect resumed>) = 0 [pid 7197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3614] <... restart_syscall resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 7202] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7197] <... mmap resumed>) = 0x7fc1280a9000 [pid 7197] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7197] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7202] <... clone resumed>, parent_tid=[7203], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7203 ./strace-static-x86_64: Process 7204 attached ./strace-static-x86_64: Process 7203 attached [pid 7199] +++ exited with 0 +++ [pid 7198] +++ exited with 0 +++ [pid 7197] <... clone resumed>, parent_tid=[7204], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7204 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7197] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7198, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7203] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7203] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7207 attached ./strace-static-x86_64: Process 7206 attached ./strace-static-x86_64: Process 7205 attached [pid 7204] set_robust_list(0x7fc1280c99e0, 24 [pid 7202] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7205 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7206 [pid 7202] <... futex resumed>) = 1 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7207 [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7207] set_robust_list(0x5555564f35e0, 24 [pid 7203] <... futex resumed>) = 0 [pid 7206] set_robust_list(0x5555564f35e0, 24 [pid 7203] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7208 attached [pid 7207] <... set_robust_list resumed>) = 0 [pid 7206] <... set_robust_list resumed>) = 0 [pid 7205] set_robust_list(0x5555564f35e0, 24 [pid 7204] <... set_robust_list resumed>) = 0 [pid 7203] <... socket resumed>) = 3 [pid 7207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7203] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7208 [pid 7207] <... prctl resumed>) = 0 [pid 7206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7205] <... set_robust_list resumed>) = 0 [pid 7203] <... futex resumed>) = 1 [pid 7202] <... futex resumed>) = 0 [pid 7206] <... prctl resumed>) = 0 [pid 7205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7207] setpgid(0, 0 [pid 7203] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] set_robust_list(0x5555564f35e0, 24 [pid 7207] <... setpgid resumed>) = 0 [pid 7206] setpgid(0, 0 [pid 7205] <... prctl resumed>) = 0 [pid 7204] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7202] <... futex resumed>) = 0 [pid 7208] <... set_robust_list resumed>) = 0 [pid 7207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7206] <... setpgid resumed>) = 0 [pid 7205] setpgid(0, 0 [pid 7204] <... socket resumed>) = 3 [pid 7203] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7207] <... openat resumed>) = 3 [pid 7206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7205] <... setpgid resumed>) = 0 [pid 7204] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... setsockopt resumed>) = 0 [pid 7208] <... prctl resumed>) = 0 [pid 7207] write(3, "1000", 4 [pid 7206] <... openat resumed>) = 3 [pid 7205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7204] <... futex resumed>) = 1 [pid 7203] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7208] setpgid(0, 0 [pid 7207] <... write resumed>) = 4 [pid 7206] write(3, "1000", 4 [pid 7205] <... openat resumed>) = 3 [pid 7204] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] <... futex resumed>) = 1 [pid 7202] <... futex resumed>) = 0 [pid 7197] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... setpgid resumed>) = 0 [pid 7207] close(3 [pid 7206] <... write resumed>) = 4 [pid 7205] write(3, "1000", 4 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7207] <... close resumed>) = 0 [pid 7206] close(3 [pid 7205] <... write resumed>) = 4 [pid 7204] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7202] <... futex resumed>) = 0 [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] <... openat resumed>) = 3 [pid 7207] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] <... close resumed>) = 0 [pid 7205] close(3 [pid 7204] <... setsockopt resumed>) = 0 [pid 7203] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] write(3, "1000", 4 [pid 7207] <... futex resumed>) = 0 [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... close resumed>) = 0 [pid 7204] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... setsockopt resumed>) = 0 [pid 7208] <... write resumed>) = 4 [pid 7207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7206] <... futex resumed>) = 0 [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... futex resumed>) = 1 [pid 7203] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7208] close(3 [pid 7207] <... mmap resumed>) = 0x7fc1280a9000 [pid 7206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7205] <... futex resumed>) = 0 [pid 7204] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] <... futex resumed>) = 1 [pid 7202] <... futex resumed>) = 0 [pid 7197] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... close resumed>) = 0 [pid 7207] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7206] <... mmap resumed>) = 0x7fc1280a9000 [pid 7205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... mprotect resumed>) = 0 [pid 7206] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7205] <... mmap resumed>) = 0x7fc1280a9000 [pid 7204] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7202] <... futex resumed>) = 0 [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] <... futex resumed>) = 0 [pid 7207] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7206] <... mprotect resumed>) = 0 [pid 7205] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7204] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7203] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7206] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7205] <... mprotect resumed>) = 0 [ 269.523013][ T7199] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 269.530982][ T7199] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 269.538963][ T7199] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 269.546931][ T7199] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 269.555088][ T7199] [pid 7204] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 7210 attached ./strace-static-x86_64: Process 7209 attached [pid 7208] <... mmap resumed>) = 0x7fc1280a9000 [pid 7207] <... clone resumed>, parent_tid=[7209], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7209 [pid 7205] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7204] <... futex resumed>) = 1 [pid 7203] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7208] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7207] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] <... clone resumed>, parent_tid=[7210], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7210 [pid 7204] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] <... futex resumed>) = 1 [pid 7202] <... futex resumed>) = 0 [pid 7197] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7211 attached [pid 7210] set_robust_list(0x7fc1280c99e0, 24 [pid 7209] set_robust_list(0x7fc1280c99e0, 24 [pid 7208] <... mprotect resumed>) = 0 [pid 7207] <... futex resumed>) = 0 [pid 7206] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... clone resumed>, parent_tid=[7211], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7211 [pid 7203] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7208] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7207] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7206] <... futex resumed>) = 0 [pid 7205] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7202] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7211] set_robust_list(0x7fc1280c99e0, 24 [pid 7210] <... set_robust_list resumed>) = 0 [pid 7209] <... set_robust_list resumed>) = 0 [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] <... futex resumed>) = 0 [pid 7204] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7203] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7202] <... futex resumed>) = 0 [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7212 attached [pid 7211] <... set_robust_list resumed>) = 0 [pid 7210] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7209] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7208] <... clone resumed>, parent_tid=[7212], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7212 [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] <... setsockopt resumed>) = 0 [pid 7203] <... sendto resumed>) = 1 [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7210] <... socket resumed>) = 3 [pid 7209] <... socket resumed>) = 3 [pid 7208] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] set_robust_list(0x7fc1280c99e0, 24 [pid 7203] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7210] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... futex resumed>) = 0 [pid 7204] <... futex resumed>) = 1 [pid 7203] <... futex resumed>) = 0 [pid 7202] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... futex resumed>) = 0 [pid 7211] <... socket resumed>) = 3 [pid 7212] <... set_robust_list resumed>) = 0 [pid 7211] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 1 [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7207] <... futex resumed>) = 0 [pid 7212] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7206] <... futex resumed>) = 0 [pid 7204] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7202] <... futex resumed>) = 0 [pid 7197] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... socket resumed>) = 3 [pid 7211] <... futex resumed>) = 1 [pid 7210] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7207] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... futex resumed>) = 0 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] <... sendto resumed>) = 1 [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] <... futex resumed>) = 0 [pid 7212] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7207] <... futex resumed>) = 0 [pid 7206] <... futex resumed>) = 0 [pid 7205] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7203] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] <... futex resumed>) = 1 [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7210] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7209] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7208] <... futex resumed>) = 0 [pid 7207] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] <... futex resumed>) = 0 [pid 7203] <... futex resumed>) = 0 [pid 7202] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7210] <... setsockopt resumed>) = 0 [pid 7209] <... setsockopt resumed>) = 0 [pid 7208] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] <... sendto resumed>) = 1 [pid 7212] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7203] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7202] <... futex resumed>) = 0 [pid 7212] <... setsockopt resumed>) = 0 [pid 7211] <... setsockopt resumed>) = 0 [pid 7210] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... futex resumed>) = 0 [pid 7204] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... openat resumed>) = 4 [pid 7202] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 1 [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7207] <... futex resumed>) = 0 [pid 7206] <... futex resumed>) = 0 [pid 7204] <... futex resumed>) = 1 [pid 7203] write(4, "5", 1 [pid 7197] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = 0 [pid 7211] <... futex resumed>) = 1 [pid 7210] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7207] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... futex resumed>) = 0 [pid 7204] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] <... write resumed>) = 1 [pid 7197] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7208] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... futex resumed>) = 0 [pid 7206] <... futex resumed>) = 0 [pid 7205] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7197] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7210] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7209] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7208] <... futex resumed>) = 0 [pid 7207] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] <... futex resumed>) = 0 [pid 7204] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7203] <... setsockopt resumed>) = 0 [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7211] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7210] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7209] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7203] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7211] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7210] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7203] <... futex resumed>) = 1 [pid 7202] <... futex resumed>) = 0 [pid 7212] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 1 [pid 7207] <... futex resumed>) = 0 [pid 7206] <... futex resumed>) = 0 [pid 7204] <... futex resumed>) = 1 [pid 7203] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7202] exit_group(0 [pid 7197] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = 1 [pid 7211] <... futex resumed>) = 1 [pid 7210] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7208] <... futex resumed>) = 0 [pid 7207] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... futex resumed>) = 0 [pid 7204] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7203] <... futex resumed>) = ? [pid 7202] <... exit_group resumed>) = ? [pid 7197] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7208] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... futex resumed>) = 0 [pid 7206] <... futex resumed>) = 0 [pid 7205] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7203] +++ exited with 0 +++ [pid 7202] +++ exited with 0 +++ [pid 7197] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7210] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7209] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7208] <... futex resumed>) = 0 [pid 7207] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] <... futex resumed>) = 0 [pid 7204] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7197] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7211] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7210] <... setsockopt resumed>) = 0 [pid 7209] <... setsockopt resumed>) = 0 [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] <... openat resumed>) = 4 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7202, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7212] <... setsockopt resumed>) = 0 [pid 7211] <... setsockopt resumed>) = 0 [pid 7210] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] write(4, "5", 1 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7212] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... futex resumed>) = 1 [pid 7209] <... futex resumed>) = 1 [pid 7207] <... futex resumed>) = 0 [pid 7206] <... futex resumed>) = 0 [pid 7204] <... write resumed>) = 1 [pid 7212] <... futex resumed>) = 1 [pid 7211] <... futex resumed>) = 1 [pid 7210] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7207] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7208] <... futex resumed>) = 0 [pid 7205] <... futex resumed>) = 0 [pid 7212] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7207] <... futex resumed>) = 0 [pid 7206] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7213 attached [pid 7210] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7207] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... setsockopt resumed>) = 0 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7213 [pid 7213] set_robust_list(0x5555564f35e0, 24 [pid 7212] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7211] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7210] <... sendto resumed>) = 1 [pid 7209] <... sendto resumed>) = 1 [pid 7208] <... futex resumed>) = 0 [pid 7205] <... futex resumed>) = 0 [pid 7204] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] <... set_robust_list resumed>) = 0 [pid 7210] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7213] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7210] <... futex resumed>) = 1 [pid 7206] <... futex resumed>) = 0 [pid 7213] <... prctl resumed>) = 0 [pid 7212] <... sendto resumed>) = 1 [pid 7211] <... sendto resumed>) = 1 [pid 7210] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] <... futex resumed>) = 1 [pid 7207] <... futex resumed>) = 0 [pid 7206] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] setpgid(0, 0 [pid 7210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7207] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] <... futex resumed>) = 0 [pid 7213] <... setpgid resumed>) = 0 [pid 7210] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7207] <... futex resumed>) = 0 [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7210] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7207] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7213] <... openat resumed>) = 3 [pid 7210] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] write(3, "1000", 4 [pid 7210] <... futex resumed>) = 1 [pid 7206] <... futex resumed>) = 0 [pid 7213] <... write resumed>) = 4 [pid 7210] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7206] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] close(3 [pid 7210] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7206] <... futex resumed>) = 0 [pid 7213] <... close resumed>) = 0 [pid 7210] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7206] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... openat resumed>) = 4 [pid 7213] <... futex resumed>) = 0 [pid 7210] write(4, "5", 1 [pid 7213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7210] <... write resumed>) = 1 [pid 7213] <... mmap resumed>) = 0x7fc1280a9000 [pid 7210] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7213] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7210] <... setsockopt resumed>) = 0 [pid 7213] <... mprotect resumed>) = 0 [pid 7210] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7214], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7214 [pid 7213] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 269.672079][ T7204] FAULT_INJECTION: forcing a failure. [ 269.672079][ T7204] name fail_futex, interval 1, probability 0, space 0, times 0 [ 269.685851][ T7204] CPU: 1 PID: 7204 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 269.696490][ T7204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 269.703163][ T7210] FAULT_INJECTION: forcing a failure. [ 269.703163][ T7210] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7214 attached [pid 7214] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7214] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7214] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] <... futex resumed>) = 0 [pid 7214] <... futex resumed>) = 1 [pid 7213] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7213] <... futex resumed>) = 0 [pid 7214] <... setsockopt resumed>) = 0 [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7213] <... futex resumed>) = 0 [pid 7214] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7213] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... setsockopt resumed>) = 0 [pid 7213] <... futex resumed>) = 0 [pid 7214] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7214] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7213] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... setsockopt resumed>) = 0 [pid 7213] <... futex resumed>) = 0 [pid 7214] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7214] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7213] <... futex resumed>) = 0 [pid 7214] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7207] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7207] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7214] <... sendto resumed>) = 1 [pid 7207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7214] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... mmap resumed>) = 0x7fc128088000 [pid 7214] <... futex resumed>) = 1 [pid 7213] <... futex resumed>) = 0 [pid 7207] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7206] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7214] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7213] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... mprotect resumed>) = 0 [pid 7206] exit_group(0 [pid 7214] <... sendto resumed>) = 1 [pid 7213] <... futex resumed>) = 0 [pid 7207] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7206] <... exit_group resumed>) = ? [pid 7214] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7207] <... clone resumed>, parent_tid=[7215], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7215 [pid 7214] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7213] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] <... openat resumed>) = 4 [pid 7213] <... futex resumed>) = 0 [pid 7207] <... futex resumed>) = 0 [pid 7214] write(4, "5", 1 [pid 7213] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7207] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7214] <... write resumed>) = 1 [pid 7214] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 ./strace-static-x86_64: Process 7215 attached [pid 7214] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] set_robust_list(0x7fc1280a89e0, 24 [pid 7214] <... futex resumed>) = 1 [pid 7213] <... futex resumed>) = 0 [pid 7215] <... set_robust_list resumed>) = 0 [pid 7214] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] exit_group(0 [pid 7215] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7214] <... futex resumed>) = ? [ 269.706545][ T7204] Call Trace: [ 269.706556][ T7204] [ 269.706565][ T7204] dump_stack_lvl+0xcd/0x134 [ 269.706599][ T7204] should_fail.cold+0x5/0xa [ 269.734680][ T7204] get_futex_key+0x5b2/0x1c50 [ 269.739392][ T7204] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 269.745406][ T7204] ? futex_setup_timer+0xf0/0xf0 [ 269.750389][ T7204] futex_wake+0xe4/0x490 [ 269.754672][ T7204] ? futex_wake_mark+0x1a0/0x1a0 [ 269.759634][ T7204] ? ptrace_stop.part.0+0x5ec/0xa80 [ 269.764852][ T7204] ? do_raw_spin_lock+0x120/0x2a0 [pid 7213] <... exit_group resumed>) = ? [pid 7215] <... openat resumed>) = 4 [pid 7214] +++ exited with 0 +++ [pid 7213] +++ exited with 0 +++ [pid 7215] write(4, "5", 1) = 1 [pid 7215] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7215] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 269.769902][ T7204] ? rwlock_bug.part.0+0x90/0x90 [ 269.774862][ T7204] ? _raw_spin_lock_irq+0x41/0x50 [ 269.779425][ T7215] FAULT_INJECTION: forcing a failure. [ 269.779425][ T7215] name fail_futex, interval 1, probability 0, space 0, times 0 [ 269.779897][ T7204] do_futex+0x266/0x300 [ 269.796831][ T7204] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 269.802743][ T7204] ? find_held_lock+0x2d/0x110 [ 269.807543][ T7204] __x64_sys_futex+0x1b0/0x4a0 [ 269.812321][ T7204] ? do_futex+0x300/0x300 [ 269.816660][ T7204] ? _raw_spin_unlock_irq+0x1f/0x40 [pid 7212] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7212] <... futex resumed>) = 1 [pid 7211] <... futex resumed>) = 1 [pid 7209] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7212] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7211] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7209] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7207] exit_group(0 [pid 7209] <... futex resumed>) = ? [pid 7207] <... exit_group resumed>) = ? [pid 7209] +++ exited with 0 +++ [ 269.821890][ T7204] ? lockdep_hardirqs_on+0x79/0x100 [ 269.827113][ T7204] ? _raw_spin_unlock_irq+0x2a/0x40 [ 269.832346][ T7204] ? ptrace_notify+0xfa/0x140 [ 269.837043][ T7204] do_syscall_64+0x35/0xb0 [ 269.841479][ T7204] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 269.847388][ T7204] RIP: 0033:0x7fc128117db9 [ 269.851822][ T7204] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 269.872153][ T7204] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 269.880582][ T7204] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 269.888563][ T7204] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 269.896545][ T7204] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 269.904532][ T7204] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 269.912515][ T7204] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 269.920520][ T7204] [ 269.923553][ T7210] CPU: 0 PID: 7210 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 269.934083][ T7210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 269.944233][ T7210] Call Trace: [ 269.947519][ T7210] [ 269.950451][ T7210] dump_stack_lvl+0xcd/0x134 [ 269.955064][ T7210] should_fail.cold+0x5/0xa [ 269.959584][ T7210] get_futex_key+0x5b2/0x1c50 [ 269.964267][ T7210] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 269.970256][ T7210] ? futex_setup_timer+0xf0/0xf0 [ 269.975201][ T7210] futex_wake+0xe4/0x490 [ 269.979457][ T7210] ? futex_wake_mark+0x1a0/0x1a0 [ 269.984402][ T7210] ? ptrace_stop.part.0+0x5ec/0xa80 [ 269.989627][ T7210] ? do_raw_spin_lock+0x120/0x2a0 [ 269.994663][ T7210] ? rwlock_bug.part.0+0x90/0x90 [ 269.999619][ T7210] ? _raw_spin_lock_irq+0x41/0x50 [ 270.004747][ T7210] do_futex+0x266/0x300 [ 270.008929][ T7210] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 270.014834][ T7210] ? find_held_lock+0x2d/0x110 [ 270.019623][ T7210] __x64_sys_futex+0x1b0/0x4a0 [ 270.024397][ T7210] ? do_futex+0x300/0x300 [ 270.028731][ T7210] ? _raw_spin_unlock_irq+0x1f/0x40 [ 270.033938][ T7210] ? lockdep_hardirqs_on+0x79/0x100 [ 270.039145][ T7210] ? _raw_spin_unlock_irq+0x2a/0x40 [ 270.044345][ T7210] ? ptrace_notify+0xfa/0x140 [ 270.049028][ T7210] do_syscall_64+0x35/0xb0 [ 270.053446][ T7210] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 270.059365][ T7210] RIP: 0033:0x7fc128117db9 [ 270.063797][ T7210] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 270.083419][ T7210] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 270.091835][ T7210] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 270.099817][ T7210] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 270.107808][ T7210] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 270.115778][ T7210] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7208] <... futex resumed>) = 0 [pid 7205] <... futex resumed>) = 0 [pid 7197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7204] <... futex resumed>) = -1 EFAULT (Bad address) [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7208] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... futex resumed>) = ? [pid 7210] +++ exited with 0 +++ [pid 7206] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7206, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7216 ./strace-static-x86_64: Process 7216 attached [pid 7216] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7216] setpgid(0, 0) = 0 [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7216] write(3, "1000", 4) = 4 [pid 7216] close(3) = 0 [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7216] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7216] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7217], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7217 [pid 7216] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 270.123768][ T7210] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 270.131751][ T7210] [ 270.137938][ T7215] CPU: 1 PID: 7215 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 270.149093][ T7215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 270.159178][ T7215] Call Trace: [ 270.162480][ T7215] [ 270.165428][ T7215] dump_stack_lvl+0xcd/0x134 [ 270.170054][ T7215] should_fail.cold+0x5/0xa [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7217 attached [pid 7217] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7217] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7217] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... futex resumed>) = 0 [pid 7216] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] exit_group(0 [pid 7211] <... futex resumed>) = 0 [pid 7205] <... futex resumed>) = 1 [pid 7197] <... exit_group resumed>) = ? [pid 7211] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7211] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7205] <... futex resumed>) = 0 [pid 7211] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7205] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7205] <... futex resumed>) = 0 [pid 7211] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7205] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7211] <... openat resumed>) = 4 [pid 7211] write(4, "5", 1 [pid 7204] +++ exited with 0 +++ [pid 7197] +++ exited with 0 +++ [pid 7217] <... futex resumed>) = 1 [pid 7211] <... write resumed>) = 1 [pid 7217] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7211] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7217] <... setsockopt resumed>) = 0 [pid 7211] <... setsockopt resumed>) = 0 [pid 7217] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7211] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7217] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7216] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... setsockopt resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 7217] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] <... futex resumed>) = 0 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7216] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... futex resumed>) = 0 [ 270.174596][ T7215] get_futex_key+0x5b2/0x1c50 [ 270.179302][ T7215] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 270.185328][ T7215] ? futex_setup_timer+0xf0/0xf0 [ 270.190303][ T7215] futex_wake+0xe4/0x490 [ 270.194579][ T7215] ? futex_wake_mark+0x1a0/0x1a0 [ 270.199547][ T7215] ? ptrace_stop.part.0+0x5ec/0xa80 [ 270.201336][ T7211] FAULT_INJECTION: forcing a failure. [ 270.201336][ T7211] name fail_futex, interval 1, probability 0, space 0, times 0 [ 270.204774][ T7215] ? do_raw_spin_lock+0x120/0x2a0 [pid 7217] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] <... setsockopt resumed>) = 0 [pid 7217] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7217] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7216] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... futex resumed>) = 0 [pid 7217] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] <... sendto resumed>) = 1 [pid 7212] <... futex resumed>) = 0 [pid 7208] <... futex resumed>) = 1 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7197, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 7217] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] <... futex resumed>) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7212] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7217] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7216] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... futex resumed>) = 0 [pid 7212] <... futex resumed>) = 1 [pid 7208] <... futex resumed>) = 0 [pid 7217] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7208] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7217] <... sendto resumed>) = 1 [pid 7212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7208] <... futex resumed>) = 0 [pid 7205] exit_group(0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7217] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7208] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] <... exit_group resumed>) = ? [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7218 [pid 7217] <... futex resumed>) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7212] <... openat resumed>) = 4 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7219 [pid 7217] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7216] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] write(4, "5", 1 [pid 7217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... futex resumed>) = 0 [pid 7212] <... write resumed>) = 1 [pid 7217] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7216] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7212] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7217] <... openat resumed>) = 4 [pid 7212] <... setsockopt resumed>) = 0 [ 270.204806][ T7215] ? rwlock_bug.part.0+0x90/0x90 [ 270.204827][ T7215] ? _raw_spin_lock_irq+0x41/0x50 [ 270.232582][ T7215] do_futex+0x266/0x300 [ 270.236773][ T7215] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 270.242694][ T7215] ? find_held_lock+0x2d/0x110 [ 270.247499][ T7215] __x64_sys_futex+0x1b0/0x4a0 [ 270.252302][ T7215] ? do_futex+0x300/0x300 [ 270.256650][ T7215] ? _raw_spin_unlock_irq+0x1f/0x40 [ 270.261864][ T7215] ? lockdep_hardirqs_on+0x79/0x100 [ 270.267082][ T7215] ? _raw_spin_unlock_irq+0x2a/0x40 [pid 7217] write(4, "5", 1 [pid 7212] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... write resumed>) = 1 [pid 7217] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7217] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7216] <... futex resumed>) = 0 [pid 7217] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7216] exit_group(0 [pid 7217] <... futex resumed>) = ? [pid 7216] <... exit_group resumed>) = ? [pid 7217] +++ exited with 0 +++ [pid 7216] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 7208] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3611] <... restart_syscall resumed>) = 0 [pid 7208] exit_group(0) = ? [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7220 [ 270.272319][ T7215] ? ptrace_notify+0xfa/0x140 [ 270.272678][ T7212] FAULT_INJECTION: forcing a failure. [ 270.272678][ T7212] name fail_futex, interval 1, probability 0, space 0, times 0 [ 270.277028][ T7215] do_syscall_64+0x35/0xb0 [ 270.277056][ T7215] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 270.300123][ T7215] RIP: 0033:0x7fc128117db9 [ 270.304563][ T7215] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 ./strace-static-x86_64: Process 7220 attached [pid 7220] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7220] setpgid(0, 0) = 0 [pid 7220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7220] write(3, "1000", 4) = 4 [pid 7220] close(3) = 0 [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7220] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7220] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7221], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7221 [pid 7220] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7221 attached [pid 7221] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7221] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7221] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7220] <... futex resumed>) = 0 [pid 7221] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7220] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... futex resumed>) = 0 [ 270.324217][ T7215] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 270.332661][ T7215] RAX: ffffffffffffffda RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 270.340681][ T7215] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04bc [ 270.348671][ T7215] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 270.356750][ T7215] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 270.364751][ T7215] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 270.372772][ T7215] [pid 7221] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7221] <... setsockopt resumed>) = 0 [ 270.378065][ T7211] CPU: 0 PID: 7211 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 270.388604][ T7211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 270.398681][ T7211] Call Trace: [ 270.401965][ T7211] [ 270.404900][ T7211] dump_stack_lvl+0xcd/0x134 [ 270.409516][ T7211] should_fail.cold+0x5/0xa [ 270.414035][ T7211] get_futex_key+0x5b2/0x1c50 [ 270.418722][ T7211] ? lockdep_hardirqs_on_prepare+0x400/0x400 ./strace-static-x86_64: Process 7219 attached ./strace-static-x86_64: Process 7218 attached [pid 7221] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7215] <... futex resumed>) = ? [pid 7219] set_robust_list(0x5555564f35e0, 24 [pid 7218] set_robust_list(0x5555564f35e0, 24 [pid 7215] +++ exited with 0 +++ [pid 7207] +++ exited with 0 +++ [pid 7219] <... set_robust_list resumed>) = 0 [pid 7218] <... set_robust_list resumed>) = 0 [pid 7219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] <... prctl resumed>) = 0 [pid 7218] <... prctl resumed>) = 0 [pid 7219] setpgid(0, 0 [pid 7218] setpgid(0, 0 [pid 7219] <... setpgid resumed>) = 0 [pid 7218] <... setpgid resumed>) = 0 [pid 7219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] <... openat resumed>) = 3 [pid 7218] <... openat resumed>) = 3 [pid 7219] write(3, "1000", 4 [pid 7218] write(3, "1000", 4 [pid 7219] <... write resumed>) = 4 [pid 7218] <... write resumed>) = 4 [pid 7219] close(3 [pid 7218] close(3 [pid 7219] <... close resumed>) = 0 [pid 7218] <... close resumed>) = 0 [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7218] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7219] <... mmap resumed>) = 0x7fc1280a9000 [pid 7218] <... mmap resumed>) = 0x7fc1280a9000 [pid 7219] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7218] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7219] <... mprotect resumed>) = 0 [pid 7218] <... mprotect resumed>) = 0 [pid 7219] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7218] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7219] <... clone resumed>, parent_tid=[7222], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7222 [pid 7218] <... clone resumed>, parent_tid=[7223], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7223 [pid 7219] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... futex resumed>) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7223 attached [pid 7223] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7223] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7223] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... futex resumed>) = 0 [pid 7218] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... futex resumed>) = 1 [pid 7223] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7223] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... futex resumed>) = 0 [pid 7218] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... futex resumed>) = 1 [pid 7223] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 7223] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... futex resumed>) = 0 [pid 7218] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... futex resumed>) = 1 [pid 7223] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7223] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] <... futex resumed>) = 0 [pid 7218] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... futex resumed>) = 1 [ 270.424717][ T7211] ? futex_setup_timer+0xf0/0xf0 [ 270.429757][ T7211] futex_wake+0xe4/0x490 [ 270.434009][ T7211] ? futex_wake_mark+0x1a0/0x1a0 [ 270.438980][ T7211] ? ptrace_stop.part.0+0x5ec/0xa80 [ 270.444192][ T7211] ? do_raw_spin_lock+0x120/0x2a0 [ 270.449245][ T7211] ? rwlock_bug.part.0+0x90/0x90 [ 270.454209][ T7211] ? _raw_spin_lock_irq+0x41/0x50 [ 270.459275][ T7211] do_futex+0x266/0x300 [ 270.463456][ T7211] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 270.469464][ T7211] ? find_held_lock+0x2d/0x110 [pid 7223] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7221] <... futex resumed>) = 1 [pid 7221] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7207, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7224 [pid 7223] <... sendto resumed>) = 1 [pid 7223] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7218] <... futex resumed>) = 0 [pid 7223] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7218] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [ 270.474267][ T7211] __x64_sys_futex+0x1b0/0x4a0 [ 270.479062][ T7211] ? do_futex+0x300/0x300 [ 270.483409][ T7211] ? _raw_spin_unlock_irq+0x1f/0x40 [ 270.488638][ T7211] ? lockdep_hardirqs_on+0x79/0x100 [ 270.493855][ T7211] ? _raw_spin_unlock_irq+0x2a/0x40 [ 270.499058][ T7211] ? ptrace_notify+0xfa/0x140 [ 270.503757][ T7211] do_syscall_64+0x35/0xb0 [ 270.508176][ T7211] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 270.514080][ T7211] RIP: 0033:0x7fc128117db9 [ 270.518497][ T7211] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 270.538109][ T7211] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 270.546526][ T7211] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 270.555470][ T7211] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 270.563531][ T7211] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 270.571518][ T7211] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 270.579495][ T7211] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 270.587485][ T7211] [ 270.590673][ T7212] CPU: 1 PID: 7212 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 270.601210][ T7212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 270.611294][ T7212] Call Trace: [ 270.612903][ T7225] FAULT_INJECTION: forcing a failure. [ 270.612903][ T7225] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7218] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7222 attached [pid 7220] <... futex resumed>) = 0 [pid 7219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7222] set_robust_list(0x7fc1280c99e0, 24 [pid 7220] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... set_robust_list resumed>) = 0 [pid 7220] <... futex resumed>) = 1 [pid 7222] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7222] <... socket resumed>) = 3 [pid 7222] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7222] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7224 attached [pid 7224] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7224] setpgid(0, 0) = 0 [pid 7224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7224] write(3, "1000", 4) = 4 [pid 7224] close(3) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7224] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7224] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7225], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7225 [pid 7224] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7225 attached [pid 7225] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7225] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7225] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... futex resumed>) = 0 [pid 7224] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... futex resumed>) = 1 [pid 7225] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7225] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... futex resumed>) = 0 [pid 7224] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... futex resumed>) = 1 [pid 7225] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7225] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... futex resumed>) = 0 [pid 7224] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... futex resumed>) = 1 [pid 7225] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7225] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... futex resumed>) = 0 [pid 7224] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... futex resumed>) = 1 [pid 7225] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 7225] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... futex resumed>) = 0 [pid 7224] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... futex resumed>) = 1 [pid 7225] sendto(3, "\x01", 1, 0, NULL, 0) = -1 ECONNREFUSED (Connection refused) [pid 7225] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... futex resumed>) = 0 [pid 7224] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7224] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7225] <... futex resumed>) = 1 [pid 7225] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7225] write(4, "5", 1) = 1 [pid 7225] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7225] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] <... futex resumed>) = 0 [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7221] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7223] <... sendto resumed>) = 1 [pid 7221] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7223] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = 1 [pid 7221] <... futex resumed>) = 1 [pid 7220] <... futex resumed>) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7223] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7220] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7221] <... setsockopt resumed>) = 0 [pid 7220] <... futex resumed>) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7223] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7221] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7223] <... openat resumed>) = 4 [pid 7221] <... futex resumed>) = 0 [pid 7220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7223] write(4, "5", 1 [pid 7221] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7220] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7223] <... write resumed>) = 1 [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... futex resumed>) = 0 [pid 7223] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7221] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7223] <... setsockopt resumed>) = 0 [pid 7221] <... sendto resumed>) = 1 [pid 7224] exit_group(0 [pid 7223] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7224] <... exit_group resumed>) = ? [pid 7223] <... futex resumed>) = 1 [pid 7221] <... futex resumed>) = 1 [pid 7220] <... futex resumed>) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7223] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7220] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7218] exit_group(0 [pid 7223] <... futex resumed>) = ? [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... futex resumed>) = 0 [pid 7218] <... exit_group resumed>) = ? [pid 7223] +++ exited with 0 +++ [pid 7221] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7218] +++ exited with 0 +++ [ 270.614572][ T7212] [ 270.614583][ T7212] dump_stack_lvl+0xcd/0x134 [ 270.614617][ T7212] should_fail.cold+0x5/0xa [ 270.639402][ T7212] get_futex_key+0x5b2/0x1c50 [ 270.644116][ T7212] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 270.650145][ T7212] ? futex_setup_timer+0xf0/0xf0 [ 270.655122][ T7212] futex_wake+0xe4/0x490 [ 270.659389][ T7212] ? futex_wake_mark+0x1a0/0x1a0 [ 270.664349][ T7212] ? ptrace_stop.part.0+0x5ec/0xa80 [ 270.669580][ T7212] ? do_raw_spin_lock+0x120/0x2a0 [ 270.674631][ T7212] ? rwlock_bug.part.0+0x90/0x90 [pid 7221] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7221] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7221] <... futex resumed>) = 1 [pid 7220] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 7221] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7220] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... restart_syscall resumed>) = 0 [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... futex resumed>) = 0 [pid 7221] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7220] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7221] <... openat resumed>) = 4 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7221] write(4, "5", 1) = 1 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7226 [pid 7221] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 270.679589][ T7212] ? _raw_spin_lock_irq+0x41/0x50 [ 270.684637][ T7212] do_futex+0x266/0x300 [ 270.688818][ T7212] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 270.694734][ T7212] ? find_held_lock+0x2d/0x110 [ 270.699522][ T7221] FAULT_INJECTION: forcing a failure. [ 270.699522][ T7221] name fail_futex, interval 1, probability 0, space 0, times 0 [ 270.699535][ T7212] __x64_sys_futex+0x1b0/0x4a0 [ 270.717093][ T7212] ? do_futex+0x300/0x300 [ 270.721441][ T7212] ? _raw_spin_unlock_irq+0x1f/0x40 [pid 7221] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7220] exit_group(0) = ? [ 270.726659][ T7212] ? lockdep_hardirqs_on+0x79/0x100 [ 270.731881][ T7212] ? _raw_spin_unlock_irq+0x2a/0x40 [ 270.737097][ T7212] ? ptrace_notify+0xfa/0x140 [ 270.741788][ T7212] do_syscall_64+0x35/0xb0 [ 270.746222][ T7212] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 270.752143][ T7212] RIP: 0033:0x7fc128117db9 [ 270.756662][ T7212] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 270.776294][ T7212] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 270.784725][ T7212] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 270.792713][ T7212] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 270.800787][ T7212] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 270.808770][ T7212] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 270.816753][ T7212] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 270.824748][ T7212] [ 270.827815][ T7221] CPU: 0 PID: 7221 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 270.838337][ T7221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 270.848408][ T7221] Call Trace: [ 270.851698][ T7221] [ 270.854630][ T7221] dump_stack_lvl+0xcd/0x134 [ 270.859233][ T7221] should_fail.cold+0x5/0xa [ 270.863829][ T7221] get_futex_key+0x5b2/0x1c50 [ 270.868508][ T7221] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 270.874492][ T7221] ? futex_setup_timer+0xf0/0xf0 [ 270.879439][ T7221] futex_wake+0xe4/0x490 [ 270.883698][ T7221] ? futex_wake_mark+0x1a0/0x1a0 [ 270.888642][ T7221] ? ptrace_stop.part.0+0x5ec/0xa80 [ 270.893844][ T7221] ? do_raw_spin_lock+0x120/0x2a0 [ 270.898870][ T7221] ? rwlock_bug.part.0+0x90/0x90 [ 270.903808][ T7221] ? _raw_spin_lock_irq+0x41/0x50 [ 270.908850][ T7221] do_futex+0x266/0x300 [ 270.913022][ T7221] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 270.918931][ T7221] ? find_held_lock+0x2d/0x110 [ 270.923792][ T7221] __x64_sys_futex+0x1b0/0x4a0 [ 270.928582][ T7221] ? do_futex+0x300/0x300 [ 270.933036][ T7221] ? _raw_spin_unlock_irq+0x1f/0x40 [ 270.938345][ T7221] ? lockdep_hardirqs_on+0x79/0x100 [ 270.943546][ T7221] ? _raw_spin_unlock_irq+0x2a/0x40 [ 270.948752][ T7221] ? ptrace_notify+0xfa/0x140 [ 270.953439][ T7221] do_syscall_64+0x35/0xb0 [ 270.957858][ T7221] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 270.963754][ T7221] RIP: 0033:0x7fc128117db9 [ 270.968192][ T7221] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 270.987803][ T7221] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 270.996244][ T7221] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 271.004218][ T7221] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 271.012213][ T7221] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 271.020184][ T7221] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 ./strace-static-x86_64: Process 7226 attached [pid 7219] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] set_robust_list(0x5555564f35e0, 24 [pid 7222] <... futex resumed>) = 0 [pid 7219] <... futex resumed>) = 1 [pid 7226] <... set_robust_list resumed>) = 0 [pid 7222] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7222] <... setsockopt resumed>) = 0 [pid 7212] <... futex resumed>) = ? [pid 7211] <... futex resumed>) = ? [pid 7222] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7222] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7221] <... futex resumed>) = ? [pid 7221] +++ exited with 0 +++ [pid 7220] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7220, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7227 ./strace-static-x86_64: Process 7227 attached [pid 7227] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 271.028154][ T7221] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 271.036136][ T7221] [ 271.044817][ T7225] CPU: 1 PID: 7225 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 271.055364][ T7225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 271.065440][ T7225] Call Trace: [ 271.068737][ T7225] [ 271.071686][ T7225] dump_stack_lvl+0xcd/0x134 [ 271.076400][ T7225] should_fail.cold+0x5/0xa [pid 7227] setpgid(0, 0) = 0 [pid 7227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7227] write(3, "1000", 4) = 4 [pid 7227] close(3) = 0 [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7227] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7227] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7228], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7228 [pid 7227] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7228 attached [pid 7228] set_robust_list(0x7fc1280c99e0, 24 [pid 7226] <... prctl resumed>) = 0 [pid 7219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7228] <... set_robust_list resumed>) = 0 [pid 7226] setpgid(0, 0 [pid 7219] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7226] <... setpgid resumed>) = 0 [pid 7222] <... futex resumed>) = 0 [pid 7219] <... futex resumed>) = 1 [pid 7228] <... socket resumed>) = 3 [pid 7226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7222] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7228] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... openat resumed>) = 3 [pid 7222] <... setsockopt resumed>) = 0 [pid 7228] <... futex resumed>) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7226] write(3, "1000", 4 [pid 7222] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... write resumed>) = 4 [pid 7222] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] <... futex resumed>) = 0 [pid 7226] close(3 [pid 7222] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] <... close resumed>) = 0 [pid 7222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 7228] <... setsockopt resumed>) = 0 [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [ 271.080937][ T7225] get_futex_key+0x5b2/0x1c50 [ 271.085640][ T7225] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 271.091653][ T7225] ? futex_setup_timer+0xf0/0xf0 [ 271.096626][ T7225] futex_wake+0xe4/0x490 [ 271.100899][ T7225] ? futex_wake_mark+0x1a0/0x1a0 [ 271.105863][ T7225] ? ptrace_stop.part.0+0x5ec/0xa80 [ 271.111095][ T7225] ? do_raw_spin_lock+0x120/0x2a0 [ 271.116148][ T7225] ? rwlock_bug.part.0+0x90/0x90 [ 271.121121][ T7225] ? _raw_spin_lock_irq+0x41/0x50 [ 271.126184][ T7225] do_futex+0x266/0x300 [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7228] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... futex resumed>) = 0 [pid 7222] <... setsockopt resumed>) = 0 [pid 7228] <... futex resumed>) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7222] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... mmap resumed>) = 0x7fc1280a9000 [pid 7222] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] <... futex resumed>) = 0 [pid 7226] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7222] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] <... mprotect resumed>) = 0 [pid 7222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 7228] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7226] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7222] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7228] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... sendto resumed>) = 1 [pid 7228] <... futex resumed>) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7226] <... clone resumed>, parent_tid=[7229], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7229 [pid 7222] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] <... futex resumed>) = 0 [pid 7226] <... futex resumed>) = 0 [pid 7222] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7229 attached [pid 7228] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 7229] set_robust_list(0x7fc1280c99e0, 24 [pid 7228] <... setsockopt resumed>) = 0 [pid 7222] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7229] <... set_robust_list resumed>) = 0 [pid 7228] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... sendto resumed>) = 1 [pid 7229] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7228] <... futex resumed>) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7222] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... socket resumed>) = 3 [pid 7228] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7229] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] <... futex resumed>) = 0 [pid 7222] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... futex resumed>) = 1 [pid 7228] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] <... futex resumed>) = 0 [pid 7222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] <... futex resumed>) = 0 [pid 7229] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7228] <... sendto resumed>) = 1 [pid 7226] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7219] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7228] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... futex resumed>) = 0 [pid 7222] <... openat resumed>) = 4 [pid 7229] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7228] <... futex resumed>) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7222] write(4, "5", 1 [pid 7229] <... setsockopt resumed>) = 0 [pid 7228] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 271.130370][ T7225] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 271.136289][ T7225] ? find_held_lock+0x2d/0x110 [ 271.141106][ T7225] __x64_sys_futex+0x1b0/0x4a0 [ 271.145902][ T7225] ? do_futex+0x300/0x300 [ 271.150264][ T7225] ? _raw_spin_unlock_irq+0x1f/0x40 [ 271.155500][ T7225] ? lockdep_hardirqs_on+0x79/0x100 [ 271.160725][ T7225] ? _raw_spin_unlock_irq+0x2a/0x40 [ 271.165952][ T7225] ? ptrace_notify+0xfa/0x140 [ 271.170657][ T7225] do_syscall_64+0x35/0xb0 [ 271.175096][ T7225] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 7227] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... write resumed>) = 1 [pid 7229] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] <... futex resumed>) = 0 [pid 7222] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7229] <... futex resumed>) = 1 [pid 7228] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] <... futex resumed>) = 0 [pid 7222] <... setsockopt resumed>) = 0 [pid 7229] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7228] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7226] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7228] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... futex resumed>) = 0 [pid 7222] <... futex resumed>) = 1 [pid 7219] <... futex resumed>) = 0 [pid 7229] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7228] <... futex resumed>) = 1 [pid 7227] <... futex resumed>) = 0 [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7222] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7219] exit_group(0 [pid 7229] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7228] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7227] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... futex resumed>) = ? [pid 7219] <... exit_group resumed>) = ? [pid 7229] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7227] <... futex resumed>) = 0 [pid 7222] +++ exited with 0 +++ [pid 7219] +++ exited with 0 +++ [pid 7229] <... futex resumed>) = 1 [pid 7228] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7227] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7226] <... futex resumed>) = 0 [pid 7229] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7228] <... openat resumed>) = 4 [pid 7226] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7219, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7228] write(4, "5", 1 [pid 7226] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7229] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7228] <... write resumed>) = 1 [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7229] <... setsockopt resumed>) = 0 [pid 7228] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7230 [pid 7229] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... setsockopt resumed>) = 0 [pid 7229] <... futex resumed>) = 1 [pid 7228] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] <... futex resumed>) = 0 [pid 7229] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7226] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7226] <... futex resumed>) = 0 [pid 7229] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [ 271.181019][ T7225] RIP: 0033:0x7fc128117db9 [ 271.185462][ T7225] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 271.205186][ T7225] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 271.211818][ T7228] FAULT_INJECTION: forcing a failure. [ 271.211818][ T7228] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7230 attached [pid 7229] <... sendto resumed>) = 1 [pid 7230] set_robust_list(0x5555564f35e0, 24 [pid 7229] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... set_robust_list resumed>) = 0 [pid 7229] <... futex resumed>) = 1 [pid 7226] <... futex resumed>) = 0 [pid 7230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7229] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7226] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... prctl resumed>) = 0 [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7226] <... futex resumed>) = 0 [pid 7230] setpgid(0, 0 [pid 7229] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] <... setpgid resumed>) = 0 [pid 7229] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7229] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... openat resumed>) = 3 [pid 7229] <... futex resumed>) = 1 [pid 7226] <... futex resumed>) = 0 [pid 7230] write(3, "1000", 4 [pid 7229] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7226] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... write resumed>) = 4 [pid 7229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7226] <... futex resumed>) = 0 [pid 7230] close(3 [pid 7229] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7226] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] <... close resumed>) = 0 [pid 7229] <... openat resumed>) = 4 [pid 7227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7230] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7229] write(4, "5", 1 [pid 7227] exit_group(0 [pid 7230] <... futex resumed>) = 0 [pid 7229] <... write resumed>) = 1 [pid 7227] <... exit_group resumed>) = ? [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7229] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7230] <... mmap resumed>) = 0x7fc1280a9000 [pid 7229] <... setsockopt resumed>) = 0 [pid 7230] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7229] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... mprotect resumed>) = 0 [pid 7212] +++ exited with 0 +++ [pid 7208] +++ exited with 0 +++ [pid 7230] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7208, si_uid=0, si_status=0, si_utime=2, si_stime=34} --- [ 271.213637][ T7225] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 271.234377][ T7225] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 271.242376][ T7225] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 271.250370][ T7225] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 271.258357][ T7225] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 271.266368][ T7225] [ 271.268910][ T7229] FAULT_INJECTION: forcing a failure. [ 271.268910][ T7229] name fail_futex, interval 1, probability 0, space 0, times 0 ./strace-static-x86_64: Process 7231 attached [pid 7225] <... futex resumed>) = ? [pid 7211] +++ exited with 0 +++ [pid 7205] +++ exited with 0 +++ [pid 7230] <... clone resumed>, parent_tid=[7231], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7231 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7205, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7230] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7230] <... futex resumed>) = 0 [pid 7230] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7232 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7232 attached [pid 7232] set_robust_list(0x5555564f35e0, 24 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7233 [pid 7232] <... set_robust_list resumed>) = 0 [pid 7226] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7226] exit_group(0 [pid 7232] <... prctl resumed>) = 0 [pid 7226] <... exit_group resumed>) = ? [pid 7232] setpgid(0, 0) = 0 [pid 7232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7232] write(3, "1000", 4) = 4 [pid 7232] close(3) = 0 [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7232] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7232] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7234], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7234 [pid 7232] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 271.288245][ T7228] CPU: 1 PID: 7228 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 271.298797][ T7228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 271.309049][ T7228] Call Trace: [ 271.312333][ T7228] [ 271.315273][ T7228] dump_stack_lvl+0xcd/0x134 [ 271.319894][ T7228] should_fail.cold+0x5/0xa [ 271.324466][ T7228] get_futex_key+0x5b2/0x1c50 [ 271.329180][ T7228] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 7234 attached [pid 7230] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] set_robust_list(0x7fc1280c99e0, 24 [pid 7230] <... futex resumed>) = 0 [pid 7234] <... set_robust_list resumed>) = 0 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7234] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7230] <... mmap resumed>) = 0x7fc128088000 [pid 7234] <... socket resumed>) = 3 [pid 7230] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7234] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... mprotect resumed>) = 0 [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7230] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7234] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7230] <... clone resumed>, parent_tid=[7235], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7235 [pid 7234] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] <... setsockopt resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7234] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7235 attached [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7235] set_robust_list(0x7fc1280a89e0, 24 [pid 7234] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... set_robust_list resumed>) = 0 [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7235] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7234] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... setsockopt resumed>) = 0 [pid 7235] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = 1 [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7234] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... setsockopt resumed>) = 0 [pid 7235] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = 1 [ 271.335193][ T7228] ? futex_setup_timer+0xf0/0xf0 [ 271.340160][ T7228] futex_wake+0xe4/0x490 [ 271.344474][ T7228] ? futex_wake_mark+0x1a0/0x1a0 [ 271.349459][ T7228] ? ptrace_stop.part.0+0x5ec/0xa80 [ 271.354686][ T7228] ? do_raw_spin_lock+0x120/0x2a0 [ 271.359745][ T7228] ? rwlock_bug.part.0+0x90/0x90 [ 271.364708][ T7228] ? _raw_spin_lock_irq+0x41/0x50 [ 271.369782][ T7228] do_futex+0x266/0x300 [ 271.373984][ T7228] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 271.380002][ T7228] ? find_held_lock+0x2d/0x110 [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7234] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... sendto resumed>) = 1 [pid 7235] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = 1 [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7234] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... sendto resumed>) = 1 [pid 7235] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = 1 [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] <... futex resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7234] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7232] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... openat resumed>) = 4 [pid 7235] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] write(4, "5", 1 [pid 7235] <... futex resumed>) = 1 [pid 7234] <... write resumed>) = 1 [ 271.384805][ T7228] __x64_sys_futex+0x1b0/0x4a0 [ 271.389602][ T7228] ? do_futex+0x300/0x300 [ 271.393953][ T7228] ? _raw_spin_unlock_irq+0x1f/0x40 [ 271.399176][ T7228] ? lockdep_hardirqs_on+0x79/0x100 [ 271.404403][ T7228] ? _raw_spin_unlock_irq+0x2a/0x40 [ 271.409636][ T7228] ? ptrace_notify+0xfa/0x140 [ 271.414331][ T7228] do_syscall_64+0x35/0xb0 [ 271.418778][ T7228] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 271.424706][ T7228] RIP: 0033:0x7fc128117db9 [pid 7230] <... futex resumed>) = 0 [pid 7235] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7230] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7234] <... setsockopt resumed>) = 0 [pid 7230] <... futex resumed>) = 0 [pid 7235] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7234] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] <... openat resumed>) = 3 [pid 7234] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 7235] write(3, "5", 1 [pid 7234] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7232] exit_group(0 [pid 7235] <... write resumed>) = 1 [pid 7234] <... futex resumed>) = ? [pid 7232] <... exit_group resumed>) = ? [pid 7235] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7234] +++ exited with 0 +++ [pid 7232] +++ exited with 0 +++ [pid 7235] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7232, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7235] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7230] <... futex resumed>) = 0 [pid 7235] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7236 ./strace-static-x86_64: Process 7236 attached [pid 7236] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7236] setpgid(0, 0) = 0 [ 271.429151][ T7228] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 271.448877][ T7228] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 271.457422][ T7228] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 271.465428][ T7228] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 271.473443][ T7228] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 271.481434][ T7228] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7236] write(3, "1000", 4) = 4 [pid 7236] close(3) = 0 [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7236] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7236] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [ 271.489464][ T7228] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 271.497486][ T7228] [ 271.503659][ T7229] CPU: 1 PID: 7229 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 271.514185][ T7229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 271.524239][ T7229] Call Trace: [ 271.527517][ T7229] [ 271.530450][ T7229] dump_stack_lvl+0xcd/0x134 [ 271.535049][ T7229] should_fail.cold+0x5/0xa [ 271.539556][ T7229] get_futex_key+0x5b2/0x1c50 [ 271.544235][ T7229] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 271.550223][ T7229] ? futex_setup_timer+0xf0/0xf0 [ 271.555172][ T7229] futex_wake+0xe4/0x490 [ 271.559419][ T7229] ? futex_wake_mark+0x1a0/0x1a0 [ 271.564362][ T7229] ? ptrace_stop.part.0+0x5ec/0xa80 [ 271.569562][ T7229] ? do_raw_spin_lock+0x120/0x2a0 [ 271.574589][ T7229] ? rwlock_bug.part.0+0x90/0x90 [ 271.579526][ T7229] ? _raw_spin_lock_irq+0x41/0x50 [ 271.584555][ T7229] do_futex+0x266/0x300 [ 271.588714][ T7229] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 271.594694][ T7229] ? find_held_lock+0x2d/0x110 [ 271.599471][ T7229] __x64_sys_futex+0x1b0/0x4a0 [ 271.604237][ T7229] ? do_futex+0x300/0x300 [ 271.608569][ T7229] ? _raw_spin_unlock_irq+0x1f/0x40 [ 271.613783][ T7229] ? lockdep_hardirqs_on+0x79/0x100 [ 271.618994][ T7229] ? _raw_spin_unlock_irq+0x2a/0x40 [ 271.624195][ T7229] ? ptrace_notify+0xfa/0x140 [ 271.628875][ T7229] do_syscall_64+0x35/0xb0 [ 271.633293][ T7229] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 271.639276][ T7229] RIP: 0033:0x7fc128117db9 [ 271.643690][ T7229] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 271.663385][ T7229] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 271.671806][ T7229] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 271.679777][ T7229] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7236] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7231] set_robust_list(0x7fc1280c99e0, 24./strace-static-x86_64: Process 7233 attached ) = 0 [pid 7229] <... futex resumed>) = ? [pid 7228] <... futex resumed>) = ? [pid 7225] +++ exited with 0 +++ [pid 7224] +++ exited with 0 +++ ./strace-static-x86_64: Process 7237 attached [pid 7236] <... clone resumed>, parent_tid=[7237], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7237 [pid 7233] set_robust_list(0x5555564f35e0, 24 [pid 7231] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7229] +++ exited with 0 +++ [pid 7228] +++ exited with 0 +++ [pid 7227] +++ exited with 0 +++ [pid 7226] +++ exited with 0 +++ [pid 7237] set_robust_list(0x7fc1280c99e0, 24 [pid 7236] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... set_robust_list resumed>) = 0 [pid 7231] <... socket resumed>) = 4 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7227, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7226, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7224, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 7237] <... set_robust_list resumed>) = 0 [pid 7236] <... futex resumed>) = 0 [pid 7233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7231] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 7237] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] <... prctl resumed>) = 0 [pid 7231] <... futex resumed>) = 0 [pid 7237] <... socket resumed>) = 3 [pid 7233] setpgid(0, 0 [pid 7231] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7230] exit_group(0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 7237] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7235] <... futex resumed>) = ? [pid 7233] <... setpgid resumed>) = 0 [pid 7231] <... futex resumed>) = ? [pid 7230] <... exit_group resumed>) = ? [pid 3611] <... restart_syscall resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 7237] <... futex resumed>) = 1 [pid 7236] <... futex resumed>) = 0 [pid 7233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7237] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7233] <... openat resumed>) = 3 [pid 7233] write(3, "1000", 4) = 4 [pid 7233] close(3) = 0 [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7233] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7233] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7238], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7238 [pid 7233] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7238 attached [pid 7238] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7238] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7238] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7233] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... futex resumed>) = 1 [pid 7238] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7238] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7233] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... futex resumed>) = 1 [pid 7238] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 7238] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7233] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... futex resumed>) = 1 [pid 7238] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7238] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7233] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... futex resumed>) = 1 [pid 7238] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 7238] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7233] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7231] +++ exited with 0 +++ [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... futex resumed>) = 1 [pid 7236] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7236] <... futex resumed>) = 1 [pid 7237] <... futex resumed>) = 0 [pid 7237] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7237] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7237] <... futex resumed>) = 0 [pid 7237] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7236] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] <... sendto resumed>) = 1 [pid 7238] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7233] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7237] <... futex resumed>) = 0 [pid 7236] <... futex resumed>) = 1 [pid 7233] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7237] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7237] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7238] <... futex resumed>) = 1 [pid 7238] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7238] write(4, "5", 1) = 1 [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7239 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7240 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7241 [pid 7236] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7236] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] <... futex resumed>) = 0 [pid 7236] <... futex resumed>) = 1 [pid 7238] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7237] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7238] <... setsockopt resumed>) = 0 [pid 7237] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 7239 attached [pid 7238] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7240 attached ./strace-static-x86_64: Process 7241 attached [pid 7239] set_robust_list(0x5555564f35e0, 24 [pid 7238] <... futex resumed>) = 1 [pid 7237] <... futex resumed>) = 1 [pid 7236] <... futex resumed>) = 0 [pid 7233] <... futex resumed>) = 0 [pid 7239] <... set_robust_list resumed>) = 0 [pid 7238] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7237] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7236] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] exit_group(0 [pid 7241] set_robust_list(0x5555564f35e0, 24 [pid 7240] set_robust_list(0x5555564f35e0, 24 [pid 7239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7238] <... futex resumed>) = ? [pid 7237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7236] <... futex resumed>) = 0 [pid 7233] <... exit_group resumed>) = ? [ 271.687747][ T7229] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 271.695719][ T7229] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 271.703686][ T7229] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 271.711670][ T7229] [ 271.726671][ T7235] FAULT_INJECTION: forcing a failure. [ 271.726671][ T7235] name fail_futex, interval 1, probability 0, space 0, times 0 [ 271.753451][ T7235] CPU: 0 PID: 7235 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 271.763999][ T7235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 271.764670][ T7237] FAULT_INJECTION: forcing a failure. [ 271.764670][ T7237] name fail_futex, interval 1, probability 0, space 0, times 0 [ 271.774051][ T7235] Call Trace: [ 271.774061][ T7235] [ 271.793026][ T7235] dump_stack_lvl+0xcd/0x134 [ 271.797650][ T7235] should_fail.cold+0x5/0xa [ 271.802184][ T7235] get_futex_key+0x282/0x1c50 [ 271.806891][ T7235] ? __lock_acquire+0x163e/0x5660 [ 271.811955][ T7235] ? futex_setup_timer+0xf0/0xf0 [ 271.816943][ T7235] futex_wake+0xe4/0x490 [ 271.821222][ T7235] ? futex_wake_mark+0x1a0/0x1a0 [ 271.826188][ T7235] ? find_held_lock+0x2d/0x110 [ 271.830984][ T7235] do_futex+0x266/0x300 [ 271.835166][ T7235] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 271.841084][ T7235] mm_release+0x235/0x2c0 [ 271.845431][ T7235] do_exit+0x8a0/0x29d0 [pid 7241] <... set_robust_list resumed>) = 0 [pid 7240] <... set_robust_list resumed>) = 0 [pid 7239] <... prctl resumed>) = 0 [pid 7238] +++ exited with 0 +++ [pid 7237] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] +++ exited with 0 +++ [pid 7239] setpgid(0, 0 [pid 7237] <... sendto resumed>) = 1 [pid 7239] <... setpgid resumed>) = 0 [pid 7237] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7237] <... futex resumed>) = 1 [pid 7236] <... futex resumed>) = 0 [pid 7239] <... openat resumed>) = 3 [pid 7237] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7236] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] write(3, "1000", 4 [pid 7237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7236] <... futex resumed>) = 0 [pid 7239] <... write resumed>) = 4 [pid 7237] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7239] close(3 [pid 7237] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7239] <... close resumed>) = 0 [pid 7237] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] <... futex resumed>) = 1 [pid 7236] <... futex resumed>) = 0 [pid 7239] <... futex resumed>) = 0 [pid 7237] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7236] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7236] <... futex resumed>) = 0 [pid 7239] <... mmap resumed>) = 0x7fc1280a9000 [pid 7237] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7236] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7239] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7237] <... openat resumed>) = 4 [pid 7239] <... mprotect resumed>) = 0 [pid 7237] write(4, "5", 1 [pid 7239] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7237] <... write resumed>) = 1 [pid 7237] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7239] <... clone resumed>, parent_tid=[7242], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7242 [pid 7237] <... setsockopt resumed>) = 0 [pid 7239] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] <... futex resumed>) = 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7242 attached [pid 7242] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7243 [pid 7242] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7242] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7242] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7239] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... setsockopt resumed>) = 0 [pid 7239] <... futex resumed>) = 0 [pid 7242] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... futex resumed>) = 0 [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7239] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... setsockopt resumed>) = 0 [pid 7239] <... futex resumed>) = 0 [pid 7242] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... futex resumed>) = 0 [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 7242] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... setsockopt resumed>) = 0 [pid 7242] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7242] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 7242] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... sendto resumed>) = 1 [pid 7242] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7242] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7239] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... sendto resumed>) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7242] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... futex resumed>) = 0 [pid 7239] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7239] <... futex resumed>) = 0 [pid 7242] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7239] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... openat resumed>) = 4 [pid 7236] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7242] write(4, "5", 1 [pid 7236] exit_group(0 [pid 7242] <... write resumed>) = 1 [pid 7236] <... exit_group resumed>) = ? [pid 7242] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7242] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7239] <... futex resumed>) = 0 [pid 7242] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7239] exit_group(0 [pid 7242] <... futex resumed>) = ? [pid 7239] <... exit_group resumed>) = ? [pid 7242] +++ exited with 0 +++ [pid 7239] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7239, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7244 ./strace-static-x86_64: Process 7244 attached [pid 7244] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7244] setpgid(0, 0) = 0 [pid 7244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7244] write(3, "1000", 4) = 4 [pid 7244] close(3) = 0 [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7244] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7244] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7245], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7245 [pid 7244] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7245 attached [pid 7245] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7245] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7245] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7244] <... futex resumed>) = 0 [pid 7245] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7244] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... setsockopt resumed>) = 0 [pid 7244] <... futex resumed>) = 0 [pid 7245] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] <... futex resumed>) = 0 [pid 7244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7245] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7244] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... setsockopt resumed>) = 0 [pid 7244] <... futex resumed>) = 0 [pid 7245] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] <... futex resumed>) = 0 [pid 7244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7245] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] <... futex resumed>) = 0 [pid 7245] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] <... setsockopt resumed>) = 0 [pid 7245] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7244] <... futex resumed>) = 0 [pid 7245] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] <... futex resumed>) = 0 [pid 7245] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [ 271.849599][ T7235] ? find_held_lock+0x2d/0x110 [ 271.854391][ T7235] ? mm_update_next_owner+0x7a0/0x7a0 [ 271.859788][ T7235] ? lock_downgrade+0x6e0/0x6e0 [ 271.864675][ T7235] do_group_exit+0xd2/0x2f0 [ 271.869213][ T7235] get_signal+0x2542/0x2600 [ 271.873751][ T7235] ? exit_signals+0x8b0/0x8b0 [ 271.878880][ T7235] ? userns_owner+0x40/0x40 [ 271.883413][ T7235] ? __task_pid_nr_ns+0x168/0x4b0 [ 271.888451][ T7235] ? lock_downgrade+0x6e0/0x6e0 [ 271.893311][ T7235] arch_do_signal_or_restart+0x82/0x2300 [ 271.898967][ T7235] ? from_kuid_munged+0xa2/0x130 [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] <... sendto resumed>) = 1 [pid 7245] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7244] <... futex resumed>) = 0 [pid 7245] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] <... futex resumed>) = 0 [pid 7245] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 271.903939][ T7235] ? find_held_lock+0x2d/0x110 [ 271.908732][ T7235] ? get_sigframe_size+0x10/0x10 [ 271.913699][ T7235] ? ptrace_notify+0xfa/0x140 [ 271.918399][ T7235] ? lock_downgrade+0x6e0/0x6e0 [ 271.923281][ T7235] ? send_sig+0xfe/0x160 [ 271.927549][ T7235] ? send_sig_info+0x140/0x140 [ 271.932340][ T7235] ? exit_to_user_mode_prepare+0x137/0x250 [ 271.938172][ T7235] exit_to_user_mode_prepare+0x15f/0x250 [ 271.943817][ T7235] syscall_exit_to_user_mode+0x19/0x50 [ 271.949293][ T7235] do_syscall_64+0x42/0xb0 [ 271.953739][ T7235] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 271.959665][ T7235] RIP: 0033:0x7fc128117db9 [ 271.964098][ T7235] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 271.983726][ T7235] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 271.992162][ T7235] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [pid 7245] <... sendto resumed>) = 1 [pid 7245] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7244] <... futex resumed>) = 0 [pid 7245] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] <... futex resumed>) = 0 [pid 7245] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7244] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] <... openat resumed>) = 4 [pid 7245] write(4, "5", 1) = 1 [pid 7245] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7245] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7244] <... futex resumed>) = 0 [pid 7245] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7244] exit_group(0 [pid 7245] <... futex resumed>) = ? [pid 7244] <... exit_group resumed>) = ? [pid 7245] +++ exited with 0 +++ [pid 7244] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7244, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7246 ./strace-static-x86_64: Process 7246 attached [pid 7246] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7246] setpgid(0, 0) = 0 [pid 7246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7246] write(3, "1000", 4) = 4 [pid 7246] close(3) = 0 [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7246] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7246] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7247], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7247 [pid 7246] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7247 attached [pid 7247] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7247] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7247] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7247] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7246] <... futex resumed>) = 0 [pid 7247] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] <... setsockopt resumed>) = 0 [pid 7247] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7247] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7246] <... futex resumed>) = 0 [pid 7247] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] <... setsockopt resumed>) = 0 [pid 7247] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7247] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7246] <... futex resumed>) = 0 [pid 7247] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] <... setsockopt resumed>) = 0 [pid 7247] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7247] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7246] <... futex resumed>) = 0 [pid 7247] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] <... sendto resumed>) = 1 [pid 7247] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7247] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7246] <... futex resumed>) = 0 [pid 7247] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] <... sendto resumed>) = 1 [pid 7247] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7247] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7247] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7246] <... futex resumed>) = 0 [pid 7247] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7246] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7247] <... openat resumed>) = 4 [pid 7247] write(4, "5", 1) = 1 [pid 7247] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7247] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7247] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] exit_group(0 [pid 7247] <... futex resumed>) = ? [pid 7246] <... exit_group resumed>) = ? [pid 7247] +++ exited with 0 +++ [pid 7246] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7246, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7248 ./strace-static-x86_64: Process 7248 attached [pid 7248] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7248] setpgid(0, 0) = 0 [pid 7248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7248] write(3, "1000", 4) = 4 [pid 7248] close(3) = 0 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7243 attached ) = 0 [pid 7241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7243] set_robust_list(0x5555564f35e0, 24 [pid 7241] <... prctl resumed>) = 0 [pid 7240] <... prctl resumed>) = 0 [pid 7248] <... mmap resumed>) = 0x7fc1280a9000 [pid 7243] <... set_robust_list resumed>) = 0 [pid 7241] setpgid(0, 0 [pid 7240] setpgid(0, 0 [pid 7248] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7241] <... setpgid resumed>) = 0 [pid 7240] <... setpgid resumed>) = 0 [pid 7248] <... mprotect resumed>) = 0 [pid 7243] <... prctl resumed>) = 0 [pid 7241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7248] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7243] setpgid(0, 0 [pid 7241] <... openat resumed>) = 3 [pid 7240] <... openat resumed>) = 3 [pid 7243] <... setpgid resumed>) = 0 [pid 7241] write(3, "1000", 4 [pid 7240] write(3, "1000", 4 [pid 7248] <... clone resumed>, parent_tid=[7249], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7249 [pid 7243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7241] <... write resumed>) = 4 [pid 7240] <... write resumed>) = 4 [ 272.000155][ T7235] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 272.008149][ T7235] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 272.016150][ T7235] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 272.024143][ T7235] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 272.032147][ T7235] [ 272.065192][ T7237] CPU: 1 PID: 7237 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 272.075752][ T7237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 272.085819][ T7237] Call Trace: [ 272.089111][ T7237] [ 272.092052][ T7237] dump_stack_lvl+0xcd/0x134 [ 272.096676][ T7237] should_fail.cold+0x5/0xa [ 272.101200][ T7237] get_futex_key+0x5b2/0x1c50 [ 272.105895][ T7237] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 272.111905][ T7237] ? futex_setup_timer+0xf0/0xf0 [ 272.116867][ T7237] futex_wake+0xe4/0x490 [ 272.121132][ T7237] ? futex_wake_mark+0x1a0/0x1a0 [ 272.126178][ T7237] ? ptrace_stop.part.0+0x5ec/0xa80 [ 272.131397][ T7237] ? do_raw_spin_lock+0x120/0x2a0 [ 272.136436][ T7237] ? rwlock_bug.part.0+0x90/0x90 [ 272.141385][ T7237] ? _raw_spin_lock_irq+0x41/0x50 [ 272.146438][ T7237] do_futex+0x266/0x300 [ 272.150612][ T7237] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 272.156520][ T7237] ? find_held_lock+0x2d/0x110 [ 272.161330][ T7237] __x64_sys_futex+0x1b0/0x4a0 [ 272.166129][ T7237] ? do_futex+0x300/0x300 [ 272.170488][ T7237] ? _raw_spin_unlock_irq+0x1f/0x40 [ 272.175728][ T7237] ? lockdep_hardirqs_on+0x79/0x100 [ 272.180940][ T7237] ? _raw_spin_unlock_irq+0x2a/0x40 [ 272.186149][ T7237] ? ptrace_notify+0xfa/0x140 [ 272.190934][ T7237] do_syscall_64+0x35/0xb0 [ 272.195395][ T7237] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 272.201319][ T7237] RIP: 0033:0x7fc128117db9 [ 272.205762][ T7237] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 272.225393][ T7237] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 272.233819][ T7237] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 272.241836][ T7237] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 272.250626][ T7237] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7248] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7249 attached ) = 0 [pid 7243] <... openat resumed>) = 3 [pid 7241] close(3 [pid 7240] close(3 [pid 7249] set_robust_list(0x7fc1280c99e0, 24 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] write(3, "1000", 4 [pid 7241] <... close resumed>) = 0 [pid 7240] <... close resumed>) = 0 [pid 7249] <... set_robust_list resumed>) = 0 [pid 7243] <... write resumed>) = 4 [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7243] close(3 [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7249] <... socket resumed>) = 3 [pid 7243] <... close resumed>) = 0 [pid 7249] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7243] <... futex resumed>) = 0 [pid 7241] <... mmap resumed>) = 0x7fc1280a9000 [pid 7240] <... mmap resumed>) = 0x7fc1280a9000 [pid 7249] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7241] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7240] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7243] <... mmap resumed>) = 0x7fc1280a9000 [pid 7241] <... mprotect resumed>) = 0 [pid 7240] <... mprotect resumed>) = 0 [pid 7249] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7241] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7240] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7249] <... setsockopt resumed>) = 0 [pid 7243] <... mprotect resumed>) = 0 [pid 7249] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7241] <... clone resumed>, parent_tid=[7250], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7250 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7241] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... clone resumed>, parent_tid=[7251], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7251 ./strace-static-x86_64: Process 7252 attached ./strace-static-x86_64: Process 7251 attached ./strace-static-x86_64: Process 7250 attached [pid 7249] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... clone resumed>, parent_tid=[7252], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7252 [pid 7241] <... futex resumed>) = 0 [pid 7240] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] set_robust_list(0x7fc1280c99e0, 24 [pid 7251] set_robust_list(0x7fc1280c99e0, 24 [pid 7250] set_robust_list(0x7fc1280c99e0, 24 [pid 7249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7243] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] <... futex resumed>) = 0 [pid 7252] <... set_robust_list resumed>) = 0 [pid 7250] <... set_robust_list resumed>) = 0 [pid 7249] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... futex resumed>) = 0 [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7251] <... set_robust_list resumed>) = 0 [pid 7250] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7249] <... setsockopt resumed>) = 0 [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] <... socket resumed>) = 3 [pid 7251] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7250] <... socket resumed>) = 3 [pid 7249] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... socket resumed>) = 3 [pid 7250] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = 1 [pid 7251] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... futex resumed>) = 1 [pid 7249] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7252] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7251] <... futex resumed>) = 1 [pid 7250] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7243] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7240] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 272.258702][ T7237] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 272.267125][ T7237] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 272.275129][ T7237] [pid 7250] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7249] <... setsockopt resumed>) = 0 [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] <... futex resumed>) = 0 [pid 7252] <... setsockopt resumed>) = 0 [pid 7251] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7250] <... setsockopt resumed>) = 0 [pid 7249] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... setsockopt resumed>) = 0 [pid 7250] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = 1 [pid 7251] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... futex resumed>) = 1 [pid 7249] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7252] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7251] <... futex resumed>) = 1 [pid 7250] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7243] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... futex resumed>) = 0 [pid 7241] <... futex resumed>) = 0 [pid 7240] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7250] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7251] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7251] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7251] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7250] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7249] <... sendto resumed>) = 1 [pid 7240] <... futex resumed>) = 1 [pid 7252] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] <... futex resumed>) = 1 [pid 7249] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... futex resumed>) = 0 [pid 7252] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] <... futex resumed>) = 1 [pid 7243] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7248] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] <... futex resumed>) = 0 [pid 7250] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] <... futex resumed>) = 1 [pid 7243] <... futex resumed>) = 0 [pid 7241] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7251] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7248] <... futex resumed>) = 0 [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7252] <... setsockopt resumed>) = 0 [pid 7251] <... setsockopt resumed>) = 0 [pid 7250] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7249] <... sendto resumed>) = 1 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... setsockopt resumed>) = 0 [pid 7249] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7252] <... futex resumed>) = 1 [pid 7251] <... futex resumed>) = 0 [pid 7250] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... futex resumed>) = 0 [pid 7248] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... futex resumed>) = 0 [pid 7240] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7251] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7250] <... futex resumed>) = 1 [pid 7249] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7248] <... futex resumed>) = 0 [pid 7243] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] <... sendto resumed>) = 1 [pid 7250] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] <... openat resumed>) = 4 [pid 7248] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... futex resumed>) = 0 [pid 7241] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7235] +++ exited with 0 +++ [pid 7230] +++ exited with 0 +++ [pid 7252] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7251] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] write(4, "5", 1 [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7230, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 7252] <... sendto resumed>) = 1 [pid 7251] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7249] <... write resumed>) = 1 [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7252] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7240] <... futex resumed>) = 0 [pid 7237] <... futex resumed>) = ? [pid 7250] <... sendto resumed>) = 1 [pid 7249] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7252] <... futex resumed>) = 1 [pid 7251] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7250] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7249] <... setsockopt resumed>) = 0 [pid 7243] <... futex resumed>) = 0 [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7237] +++ exited with 0 +++ [pid 7236] +++ exited with 0 +++ [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7253 [pid 7252] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7251] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7250] <... futex resumed>) = 1 [pid 7249] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7249] <... futex resumed>) = 1 [pid 7248] <... futex resumed>) = 0 [pid 7243] <... futex resumed>) = 0 [pid 7241] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7236, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- ./strace-static-x86_64: Process 7253 attached [pid 7252] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7251] <... futex resumed>) = 1 [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7249] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7248] exit_group(0 [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7253] set_robust_list(0x5555564f35e0, 24 [pid 7252] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7251] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7250] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7249] <... futex resumed>) = ? [pid 7248] <... exit_group resumed>) = ? [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7249] +++ exited with 0 +++ [pid 7253] <... set_robust_list resumed>) = 0 [pid 7251] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7240] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7251] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7240] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7254 [pid 7248] +++ exited with 0 +++ [pid 7253] <... prctl resumed>) = 0 [pid 7252] <... futex resumed>) = 1 [pid 7251] <... openat resumed>) = 4 [pid 7250] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... futex resumed>) = 0 [pid 7240] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7248, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7253] setpgid(0, 0 [pid 7252] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7251] write(4, "5", 1 [pid 7250] <... futex resumed>) = 1 [pid 7243] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7241] <... futex resumed>) = 0 [pid 7253] <... setpgid resumed>) = 0 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7251] <... write resumed>) = 1 [pid 7250] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7243] <... futex resumed>) = 0 [pid 7241] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7254 attached [pid 7253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7252] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7251] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7243] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7241] <... futex resumed>) = 0 [pid 7254] set_robust_list(0x5555564f35e0, 24 [pid 7253] <... openat resumed>) = 3 [pid 7252] <... openat resumed>) = 4 [pid 7251] <... setsockopt resumed>) = 0 [pid 7250] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7241] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] <... set_robust_list resumed>) = 0 [pid 7253] write(3, "1000", 4 [pid 7252] write(4, "5", 1 [pid 7251] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... openat resumed>) = 4 [pid 7254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7253] <... write resumed>) = 4 [pid 7252] <... write resumed>) = 1 [pid 7250] write(4, "5", 1 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7254] <... prctl resumed>) = 0 [pid 7253] close(3 [pid 7252] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7250] <... write resumed>) = 1 [pid 7253] <... close resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7255 [pid 7253] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] setpgid(0, 0 [pid 7253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7252] <... setsockopt resumed>) = 0 [pid 7250] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7253] <... mmap resumed>) = 0x7fc1280a9000 [pid 7253] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7254] <... setpgid resumed>) = 0 [pid 7253] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7252] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7250] <... setsockopt resumed>) = 0 [pid 7254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7253] <... clone resumed>, parent_tid=[7256], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7256 [pid 7253] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7253] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7256 attached [ 272.379534][ T7251] FAULT_INJECTION: forcing a failure. [ 272.379534][ T7251] name fail_futex, interval 1, probability 0, space 0, times 0 [ 272.401321][ T7252] FAULT_INJECTION: forcing a failure. [ 272.401321][ T7252] name fail_futex, interval 1, probability 0, space 0, times 0 [ 272.405593][ T7251] CPU: 1 PID: 7251 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 272.424686][ T7251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 272.434843][ T7251] Call Trace: [ 272.438130][ T7251] [ 272.441070][ T7251] dump_stack_lvl+0xcd/0x134 [ 272.445682][ T7251] should_fail.cold+0x5/0xa [ 272.450210][ T7251] get_futex_key+0x5b2/0x1c50 [ 272.454909][ T7251] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 272.460914][ T7251] ? futex_setup_timer+0xf0/0xf0 [ 272.465887][ T7251] futex_wake+0xe4/0x490 [ 272.470164][ T7251] ? futex_wake_mark+0x1a0/0x1a0 [ 272.475116][ T7251] ? ptrace_stop.part.0+0x5ec/0xa80 [ 272.480340][ T7251] ? do_raw_spin_lock+0x120/0x2a0 [ 272.485384][ T7251] ? rwlock_bug.part.0+0x90/0x90 [ 272.490328][ T7251] ? _raw_spin_lock_irq+0x41/0x50 [ 272.495386][ T7251] do_futex+0x266/0x300 [ 272.499564][ T7251] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 272.505500][ T7251] ? find_held_lock+0x2d/0x110 [ 272.510304][ T7251] __x64_sys_futex+0x1b0/0x4a0 [ 272.515107][ T7251] ? do_futex+0x300/0x300 [ 272.519460][ T7251] ? _raw_spin_unlock_irq+0x1f/0x40 [ 272.524687][ T7251] ? lockdep_hardirqs_on+0x79/0x100 [ 272.529950][ T7251] ? _raw_spin_unlock_irq+0x2a/0x40 [ 272.535200][ T7251] ? ptrace_notify+0xfa/0x140 [ 272.539908][ T7251] do_syscall_64+0x35/0xb0 [ 272.544343][ T7251] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 272.550253][ T7251] RIP: 0033:0x7fc128117db9 [ 272.554679][ T7251] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 272.574316][ T7251] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 272.582764][ T7251] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 272.590764][ T7251] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 272.598757][ T7251] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 272.606750][ T7251] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 272.614740][ T7251] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 272.622753][ T7251] [ 272.625791][ T7252] CPU: 0 PID: 7252 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 272.636319][ T7252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 272.646379][ T7252] Call Trace: [ 272.649664][ T7252] [ 272.652597][ T7252] dump_stack_lvl+0xcd/0x134 [ 272.657200][ T7252] should_fail.cold+0x5/0xa [ 272.661712][ T7252] get_futex_key+0x5b2/0x1c50 [ 272.666398][ T7252] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 272.672384][ T7252] ? futex_setup_timer+0xf0/0xf0 [ 272.677335][ T7252] futex_wake+0xe4/0x490 [ 272.681584][ T7252] ? futex_wake_mark+0x1a0/0x1a0 [ 272.686527][ T7252] ? ptrace_stop.part.0+0x5ec/0xa80 [ 272.691728][ T7252] ? do_raw_spin_lock+0x120/0x2a0 [ 272.696773][ T7252] ? rwlock_bug.part.0+0x90/0x90 [ 272.701712][ T7252] ? _raw_spin_lock_irq+0x41/0x50 [ 272.706751][ T7252] do_futex+0x266/0x300 [ 272.710918][ T7252] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 272.716818][ T7252] ? find_held_lock+0x2d/0x110 [ 272.721682][ T7252] __x64_sys_futex+0x1b0/0x4a0 [ 272.726454][ T7252] ? do_futex+0x300/0x300 [ 272.730785][ T7252] ? _raw_spin_unlock_irq+0x1f/0x40 [ 272.736250][ T7252] ? lockdep_hardirqs_on+0x79/0x100 [ 272.741466][ T7252] ? _raw_spin_unlock_irq+0x2a/0x40 [ 272.746692][ T7252] ? ptrace_notify+0xfa/0x140 [ 272.751378][ T7252] do_syscall_64+0x35/0xb0 [ 272.755799][ T7252] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 272.761733][ T7252] RIP: 0033:0x7fc128117db9 [ 272.766152][ T7252] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 272.785767][ T7252] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 272.794283][ T7252] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 272.802266][ T7252] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 272.810238][ T7252] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 272.818238][ T7252] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7256] set_robust_list(0x7fc1280c99e0, 24./strace-static-x86_64: Process 7255 attached ) = 0 [pid 7254] <... openat resumed>) = 3 [pid 7253] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7250] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7241] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7240] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7256] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7253] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] exit_group(0 [pid 7256] <... socket resumed>) = 3 [pid 7255] set_robust_list(0x5555564f35e0, 24 [pid 7254] write(3, "1000", 4 [pid 7253] <... futex resumed>) = 0 [pid 7240] <... exit_group resumed>) = ? [pid 7256] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7256] <... futex resumed>) = 0 [pid 7253] <... mmap resumed>) = 0x7fc128088000 [pid 7256] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7253] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7257], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7257 [pid 7253] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7253] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] exit_group(0 [pid 7241] exit_group(0 [pid 7255] <... set_robust_list resumed>) = 0 [pid 7254] <... write resumed>) = 4 [pid 7254] close(3 [pid 7243] <... exit_group resumed>) = ? [pid 7241] <... exit_group resumed>) = ? [pid 7255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7254] <... close resumed>) = 0 [pid 7255] <... prctl resumed>) = 0 [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7251] <... futex resumed>) = ? [pid 7255] setpgid(0, 0 [pid 7254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7255] <... setpgid resumed>) = 0 [pid 7254] <... mmap resumed>) = 0x7fc1280a9000 [pid 7254] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7254] <... mprotect resumed>) = 0 [pid 7254] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7255] <... openat resumed>) = 3 [pid 7255] write(3, "1000", 4) = 4 [pid 7254] <... clone resumed>, parent_tid=[7258], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7258 [pid 7255] close(3 [pid 7254] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... close resumed>) = 0 [pid 7254] <... futex resumed>) = 0 [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7257 attached ) = 0x7fc1280a9000 [pid 7251] +++ exited with 0 +++ [pid 7240] +++ exited with 0 +++ [pid 7255] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7240, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7257] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7255] <... mprotect resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7257] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7255] clone(child_stack=0x7fc1280c93f0, 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 7258 attached [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7259 [pid 7258] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7258] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7255] <... clone resumed>, parent_tid=[7260], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7260 [pid 7258] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7259 attached [pid 7258] <... futex resumed>) = 1 [pid 7255] <... futex resumed>) = 0 [pid 7254] <... futex resumed>) = 0 [pid 7259] set_robust_list(0x5555564f35e0, 24 [pid 7258] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7257] <... setsockopt resumed>) = 0 [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7260 attached [pid 7259] <... set_robust_list resumed>) = 0 [pid 7258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7254] <... futex resumed>) = 0 [pid 7260] set_robust_list(0x7fc1280c99e0, 24 [pid 7259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7258] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7257] <... futex resumed>) = 1 [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] <... futex resumed>) = 0 [pid 7260] <... set_robust_list resumed>) = 0 [pid 7259] <... prctl resumed>) = 0 [pid 7258] <... setsockopt resumed>) = 0 [pid 7257] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7259] setpgid(0, 0 [pid 7258] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... socket resumed>) = 3 [pid 7259] <... setpgid resumed>) = 0 [pid 7258] <... futex resumed>) = 1 [pid 7256] <... futex resumed>) = 0 [pid 7253] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7258] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7256] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7254] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = 1 [pid 7259] <... openat resumed>) = 3 [pid 7258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7256] <... setsockopt resumed>) = 0 [pid 7255] <... futex resumed>) = 0 [pid 7254] <... futex resumed>) = 0 [ 272.826237][ T7252] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 272.834406][ T7252] [ 272.839625][ T7250] FAULT_INJECTION: forcing a failure. [ 272.839625][ T7250] name fail_futex, interval 1, probability 0, space 0, times 0 [ 272.884523][ T7250] CPU: 0 PID: 7250 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 272.895087][ T7250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 272.905172][ T7250] Call Trace: [ 272.908477][ T7250] [ 272.911426][ T7250] dump_stack_lvl+0xcd/0x134 [ 272.914356][ T7261] FAULT_INJECTION: forcing a failure. [ 272.914356][ T7261] name fail_futex, interval 1, probability 0, space 0, times 0 [ 272.916038][ T7250] should_fail.cold+0x5/0xa [pid 7260] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] write(3, "1000", 4 [pid 7258] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7256] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7259] <... write resumed>) = 4 [pid 7258] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7260] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7259] close(3 [pid 7258] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... setsockopt resumed>) = 0 [pid 7259] <... close resumed>) = 0 [pid 7258] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7260] <... futex resumed>) = 0 [pid 7259] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7259] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7259] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7261], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7261 [pid 7259] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7261 attached [pid 7261] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7261] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7261] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7259] <... futex resumed>) = 0 [pid 7261] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7259] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... setsockopt resumed>) = 0 [pid 7259] <... futex resumed>) = 0 [pid 7261] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 0 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7259] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7259] <... futex resumed>) = 0 [pid 7261] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... futex resumed>) = 0 [pid 7259] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7261] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7259] <... futex resumed>) = 0 [pid 7261] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... setsockopt resumed>) = 0 [pid 7261] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7259] <... futex resumed>) = 0 [pid 7261] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7259] <... futex resumed>) = 0 [pid 7261] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... sendto resumed>) = 1 [pid 7261] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7259] <... futex resumed>) = 0 [pid 7261] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7259] <... futex resumed>) = 0 [pid 7261] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7261] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7259] <... futex resumed>) = 0 [pid 7261] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7259] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7261] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7259] <... futex resumed>) = 0 [pid 7261] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7259] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7261] <... openat resumed>) = 4 [pid 7261] write(4, "5", 1) = 1 [pid 7261] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7261] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] <... futex resumed>) = 1 [pid 7259] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7256] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 272.933342][ T7250] get_futex_key+0x5b2/0x1c50 [ 272.938049][ T7250] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 272.944063][ T7250] ? futex_setup_timer+0xf0/0xf0 [ 272.949039][ T7250] futex_wake+0xe4/0x490 [ 272.953312][ T7250] ? futex_wake_mark+0x1a0/0x1a0 [ 272.958288][ T7250] ? ptrace_stop.part.0+0x5ec/0xa80 [ 272.963512][ T7250] ? do_raw_spin_lock+0x120/0x2a0 [ 272.968564][ T7250] ? rwlock_bug.part.0+0x90/0x90 [ 272.973510][ T7250] ? _raw_spin_lock_irq+0x41/0x50 [ 272.978548][ T7250] do_futex+0x266/0x300 [ 272.982712][ T7250] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 272.989131][ T7250] ? find_held_lock+0x2d/0x110 [ 272.993909][ T7250] __x64_sys_futex+0x1b0/0x4a0 [ 272.998688][ T7250] ? do_futex+0x300/0x300 [ 273.003027][ T7250] ? _raw_spin_unlock_irq+0x1f/0x40 [ 273.008234][ T7250] ? lockdep_hardirqs_on+0x79/0x100 [ 273.013448][ T7250] ? _raw_spin_unlock_irq+0x2a/0x40 [ 273.018654][ T7250] ? ptrace_notify+0xfa/0x140 [ 273.023339][ T7250] do_syscall_64+0x35/0xb0 [ 273.027761][ T7250] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 273.033662][ T7250] RIP: 0033:0x7fc128117db9 [ 273.038088][ T7250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 273.057725][ T7250] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 273.066144][ T7250] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 273.074116][ T7250] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7259] exit_group(0 [pid 7260] <... futex resumed>) = 0 [pid 7259] <... exit_group resumed>) = ? [pid 7255] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7253] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7254] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] <... futex resumed>) = 0 [pid 7256] <... futex resumed>) = 0 [pid 7255] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 1 [pid 7253] <... futex resumed>) = 1 [pid 7258] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7256] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7255] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = 0 [pid 7258] <... setsockopt resumed>) = 0 [pid 7256] <... setsockopt resumed>) = 0 [pid 7255] <... futex resumed>) = 1 [pid 7260] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7258] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7258] <... futex resumed>) = 1 [pid 7256] <... futex resumed>) = 1 [pid 7253] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7256] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 1 [pid 7256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7255] <... futex resumed>) = 0 [pid 7253] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7256] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7255] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7256] <... sendto resumed>) = 1 [pid 7255] <... futex resumed>) = 0 [ 273.082110][ T7250] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 273.090089][ T7250] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 273.098094][ T7250] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 273.106084][ T7250] [ 273.118655][ T7261] CPU: 0 PID: 7261 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7260] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7256] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... setsockopt resumed>) = 0 [pid 7256] <... futex resumed>) = 1 [pid 7253] <... futex resumed>) = 0 [ 273.129221][ T7261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 273.139316][ T7261] Call Trace: [ 273.142621][ T7261] [ 273.145579][ T7261] dump_stack_lvl+0xcd/0x134 [ 273.150293][ T7261] should_fail.cold+0x5/0xa [ 273.154833][ T7261] get_futex_key+0x5b2/0x1c50 [ 273.159543][ T7261] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 273.165560][ T7261] ? futex_setup_timer+0xf0/0xf0 [ 273.168796][ T7260] FAULT_INJECTION: forcing a failure. [ 273.168796][ T7260] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7260] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 1 [pid 7256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7255] <... futex resumed>) = 0 [pid 7253] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7256] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7255] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7256] <... sendto resumed>) = 1 [ 273.170517][ T7261] futex_wake+0xe4/0x490 [ 273.170551][ T7261] ? futex_wake_mark+0x1a0/0x1a0 [ 273.192673][ T7261] ? ptrace_stop.part.0+0x5ec/0xa80 [ 273.197914][ T7261] ? do_raw_spin_lock+0x120/0x2a0 [ 273.202979][ T7261] ? rwlock_bug.part.0+0x90/0x90 [ 273.207959][ T7261] ? _raw_spin_lock_irq+0x41/0x50 [ 273.213026][ T7261] do_futex+0x266/0x300 [ 273.217279][ T7261] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 273.223211][ T7261] ? find_held_lock+0x2d/0x110 [ 273.228015][ T7261] __x64_sys_futex+0x1b0/0x4a0 [ 273.232829][ T7261] ? do_futex+0x300/0x300 [ 273.237185][ T7261] ? _raw_spin_unlock_irq+0x1f/0x40 [ 273.242415][ T7261] ? lockdep_hardirqs_on+0x79/0x100 [ 273.247637][ T7261] ? _raw_spin_unlock_irq+0x2a/0x40 [ 273.252865][ T7261] ? ptrace_notify+0xfa/0x140 [ 273.257572][ T7261] do_syscall_64+0x35/0xb0 [ 273.262006][ T7261] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 273.267924][ T7261] RIP: 0033:0x7fc128117db9 [ 273.272364][ T7261] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 273.292022][ T7261] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 273.300471][ T7261] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 273.308587][ T7261] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 273.316622][ T7261] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 273.324632][ T7261] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7255] <... futex resumed>) = 0 [pid 7260] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7256] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... sendto resumed>) = 1 [pid 7256] <... futex resumed>) = 1 [pid 7253] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = 1 [pid 7256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7255] <... futex resumed>) = 0 [pid 7253] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7256] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7255] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7256] <... openat resumed>) = 4 [pid 7255] <... futex resumed>) = 0 [pid 7260] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7256] write(4, "5", 1 [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7260] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7256] <... write resumed>) = 1 [pid 7260] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7260] <... futex resumed>) = 1 [pid 7256] <... setsockopt resumed>) = 0 [pid 7255] <... futex resumed>) = 0 [pid 7260] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7256] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7256] <... futex resumed>) = 1 [pid 7255] <... futex resumed>) = 0 [pid 7253] <... futex resumed>) = 0 [pid 7260] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7256] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7255] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] exit_group(0 [pid 7260] <... openat resumed>) = 4 [pid 7256] <... futex resumed>) = ? [pid 7253] <... exit_group resumed>) = ? [pid 7260] write(4, "5", 1 [pid 7256] +++ exited with 0 +++ [pid 7260] <... write resumed>) = 1 [pid 7260] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7260] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... futex resumed>) = ? [pid 7257] +++ exited with 0 +++ [pid 7253] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7262 [pid 7255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7255] exit_group(0./strace-static-x86_64: Process 7262 attached ) = ? [pid 7262] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7262] setpgid(0, 0) = 0 [pid 7262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7262] write(3, "1000", 4) = 4 [pid 7262] close(3) = 0 [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7262] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7262] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7263], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7263 [pid 7262] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7263 attached [pid 7263] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7263] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7263] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7262] <... futex resumed>) = 0 [pid 7263] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... setsockopt resumed>) = 0 [pid 7263] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7262] <... futex resumed>) = 0 [pid 7263] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... setsockopt resumed>) = 0 [pid 7263] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7262] <... futex resumed>) = 0 [pid 7263] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... setsockopt resumed>) = 0 [pid 7263] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7262] <... futex resumed>) = 0 [pid 7263] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... sendto resumed>) = 1 [pid 7263] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7262] <... futex resumed>) = 0 [pid 7263] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... sendto resumed>) = 1 [pid 7263] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7263] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7262] <... futex resumed>) = 0 [pid 7263] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7262] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7263] <... openat resumed>) = 4 [pid 7263] write(4, "5", 1) = 1 [pid 7263] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7263] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7262] <... futex resumed>) = 0 [pid 7263] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7262] exit_group(0 [pid 7263] <... futex resumed>) = ? [pid 7262] <... exit_group resumed>) = ? [pid 7263] +++ exited with 0 +++ [pid 7262] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7262, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7264 [pid 7254] <... futex resumed>) = 0 [ 273.332632][ T7261] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 273.340643][ T7261] [ 273.347656][ T7260] CPU: 1 PID: 7260 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 273.358203][ T7260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 273.368277][ T7260] Call Trace: [ 273.371571][ T7260] [ 273.374522][ T7260] dump_stack_lvl+0xcd/0x134 [ 273.379144][ T7260] should_fail.cold+0x5/0xa [ 273.383674][ T7260] get_futex_key+0x5b2/0x1c50 [ 273.388632][ T7260] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 273.394641][ T7260] ? futex_setup_timer+0xf0/0xf0 [ 273.399610][ T7260] futex_wake+0xe4/0x490 [ 273.403891][ T7260] ? futex_wake_mark+0x1a0/0x1a0 [ 273.408867][ T7260] ? ptrace_stop.part.0+0x5ec/0xa80 [ 273.414124][ T7260] ? do_raw_spin_lock+0x120/0x2a0 [ 273.419262][ T7260] ? rwlock_bug.part.0+0x90/0x90 [ 273.424218][ T7260] ? _raw_spin_lock_irq+0x41/0x50 [ 273.429272][ T7260] do_futex+0x266/0x300 [ 273.433460][ T7260] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 273.439381][ T7260] ? find_held_lock+0x2d/0x110 [ 273.444180][ T7260] __x64_sys_futex+0x1b0/0x4a0 [ 273.448970][ T7260] ? do_futex+0x300/0x300 [ 273.453316][ T7260] ? _raw_spin_unlock_irq+0x1f/0x40 [ 273.458539][ T7260] ? lockdep_hardirqs_on+0x79/0x100 [ 273.463759][ T7260] ? _raw_spin_unlock_irq+0x2a/0x40 [ 273.468988][ T7260] ? ptrace_notify+0xfa/0x140 [ 273.473693][ T7260] do_syscall_64+0x35/0xb0 [ 273.478129][ T7260] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 273.484048][ T7260] RIP: 0033:0x7fc128117db9 [ 273.488481][ T7260] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 273.508106][ T7260] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 273.516523][ T7260] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 273.524499][ T7260] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7254] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7264 attached [pid 7261] <... futex resumed>) = ? [pid 7254] <... futex resumed>) = 1 [pid 7252] <... futex resumed>) = ? [pid 7250] <... futex resumed>) = ? [pid 7264] set_robust_list(0x5555564f35e0, 24 [pid 7261] +++ exited with 0 +++ [pid 7259] +++ exited with 0 +++ [pid 7258] <... futex resumed>) = 0 [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] +++ exited with 0 +++ [pid 7260] <... futex resumed>) = ? [pid 7250] +++ exited with 0 +++ [pid 7243] +++ exited with 0 +++ [pid 7241] +++ exited with 0 +++ [pid 7264] <... set_robust_list resumed>) = 0 [pid 7264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7258] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7243, si_uid=0, si_status=0, si_utime=0, si_stime=33} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7259, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7241, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7264] <... prctl resumed>) = 0 [pid 7264] setpgid(0, 0) = 0 [pid 7264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7264] write(3, "1000", 4) = 4 [pid 7264] close(3) = 0 [pid 7264] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7258] <... sendto resumed>) = 1 [pid 7264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7258] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... mmap resumed>) = 0x7fc1280a9000 [pid 7264] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7258] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7264] <... mprotect resumed>) = 0 [pid 7260] +++ exited with 0 +++ [pid 7258] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7255] +++ exited with 0 +++ [pid 7254] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [pid 7264] <... clone resumed>, parent_tid=[7265], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7265 [pid 7264] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7264] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7258] sendto(3, "\x01", 1, 0, NULL, 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7255, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- ./strace-static-x86_64: Process 7266 attached [pid 7266] set_robust_list(0x5555564f35e0, 24) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7266] setpgid(0, 0) = 0 [pid 7266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7258] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7267 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7266 [pid 7258] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7268 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7269 [pid 7258] <... futex resumed>) = 1 [pid 7254] <... futex resumed>) = 0 [pid 7258] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7254] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7254] <... futex resumed>) = 0 [pid 7258] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7254] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] write(3, "1000", 4) = 4 [pid 7258] <... openat resumed>) = 4 ./strace-static-x86_64: Process 7267 attached [pid 7266] close(3 [ 273.532474][ T7260] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 273.540446][ T7260] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 273.548421][ T7260] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 273.556497][ T7260] [pid 7258] write(4, "5", 1) = 1 [pid 7258] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7258] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] set_robust_list(0x5555564f35e0, 24 [pid 7266] <... close resumed>) = 0 [pid 7267] <... set_robust_list resumed>) = 0 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7266] <... futex resumed>) = 0 [pid 7267] <... prctl resumed>) = 0 [pid 7266] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7267] setpgid(0, 0 [pid 7266] <... mmap resumed>) = 0x7fc1280a9000 [pid 7267] <... setpgid resumed>) = 0 [pid 7266] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7266] <... mprotect resumed>) = 0 [pid 7267] <... openat resumed>) = 3 [pid 7266] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7267] write(3, "1000", 4) = 4 [pid 7266] <... clone resumed>, parent_tid=[7270], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7270 [pid 7267] close(3 [pid 7266] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] <... close resumed>) = 0 [pid 7266] <... futex resumed>) = 0 [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7267] <... futex resumed>) = 0 [pid 7267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7267] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7267] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7271], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7271 [pid 7267] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7270 attached [pid 7270] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7270] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7270] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7270] <... futex resumed>) = 1 [pid 7270] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7270] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7270] <... futex resumed>) = 1 [pid 7270] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 7270] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7266] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7270] <... futex resumed>) = 1 [pid 7270] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7270] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7266] <... futex resumed>) = 0 [pid 7270] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7266] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7271 attached [pid 7271] set_robust_list(0x7fc1280c99e0, 24./strace-static-x86_64: Process 7269 attached ./strace-static-x86_64: Process 7268 attached ) = 0 [ 273.585750][ T7258] FAULT_INJECTION: forcing a failure. [ 273.585750][ T7258] name fail_futex, interval 1, probability 0, space 0, times 0 [ 273.603180][ T7258] CPU: 1 PID: 7258 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 273.613740][ T7258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 273.622585][ T7271] FAULT_INJECTION: forcing a failure. [ 273.622585][ T7271] name fail_futex, interval 1, probability 0, space 0, times 0 [ 273.623810][ T7258] Call Trace: [ 273.623820][ T7258] [ 273.642814][ T7258] dump_stack_lvl+0xcd/0x134 [ 273.647443][ T7258] should_fail.cold+0x5/0xa [ 273.652324][ T7258] get_futex_key+0x5b2/0x1c50 [ 273.657021][ T7258] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 273.663028][ T7258] ? futex_setup_timer+0xf0/0xf0 [ 273.668002][ T7258] futex_wake+0xe4/0x490 [ 273.672258][ T7258] ? futex_wake_mark+0x1a0/0x1a0 [ 273.677310][ T7258] ? ptrace_stop.part.0+0x5ec/0xa80 [ 273.682549][ T7258] ? do_raw_spin_lock+0x120/0x2a0 [ 273.687579][ T7258] ? rwlock_bug.part.0+0x90/0x90 [ 273.692520][ T7258] ? _raw_spin_lock_irq+0x41/0x50 [ 273.697560][ T7258] do_futex+0x266/0x300 [ 273.701723][ T7258] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 273.707633][ T7258] ? find_held_lock+0x2d/0x110 [ 273.712432][ T7258] __x64_sys_futex+0x1b0/0x4a0 [ 273.717203][ T7258] ? do_futex+0x300/0x300 [ 273.721538][ T7258] ? _raw_spin_unlock_irq+0x1f/0x40 [ 273.726743][ T7258] ? lockdep_hardirqs_on+0x79/0x100 [ 273.732132][ T7258] ? _raw_spin_unlock_irq+0x2a/0x40 [ 273.737336][ T7258] ? ptrace_notify+0xfa/0x140 [ 273.742021][ T7258] do_syscall_64+0x35/0xb0 [ 273.746443][ T7258] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 273.752433][ T7258] RIP: 0033:0x7fc128117db9 [ 273.756853][ T7258] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 273.776466][ T7258] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca ./strace-static-x86_64: Process 7265 attached [pid 7271] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7269] set_robust_list(0x5555564f35e0, 24 [pid 7268] set_robust_list(0x5555564f35e0, 24 [pid 7271] <... socket resumed>) = 3 [pid 7271] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7267] <... futex resumed>) = 0 [pid 7271] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] <... sendto resumed>) = 1 [pid 7267] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] <... futex resumed>) = 0 [pid 7271] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7270] <... futex resumed>) = 1 [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] <... futex resumed>) = 0 [pid 7271] <... setsockopt resumed>) = 0 [pid 7270] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7266] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7266] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = 1 [pid 7270] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7267] <... futex resumed>) = 0 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7271] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] <... sendto resumed>) = 1 [pid 7267] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] <... futex resumed>) = 0 [pid 7271] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7270] <... futex resumed>) = 1 [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] <... futex resumed>) = 0 [pid 7271] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7270] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7266] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7266] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = 1 [pid 7270] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7267] <... futex resumed>) = 0 [pid 7266] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7271] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] <... openat resumed>) = 4 [pid 7267] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] write(4, "5", 1 [pid 7267] <... futex resumed>) = 0 [pid 7271] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7270] <... write resumed>) = 1 [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7271] <... setsockopt resumed>) = 0 [pid 7270] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7271] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] <... setsockopt resumed>) = 0 [pid 7271] <... futex resumed>) = 1 [pid 7270] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] <... futex resumed>) = 0 [pid 7271] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] <... futex resumed>) = 1 [pid 7267] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7266] <... futex resumed>) = 0 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7270] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] <... futex resumed>) = 0 [pid 7266] exit_group(0 [pid 7271] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7270] <... futex resumed>) = ? [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] <... exit_group resumed>) = ? [pid 7271] <... sendto resumed>) = 1 [pid 7270] +++ exited with 0 +++ [pid 7266] +++ exited with 0 +++ [pid 7271] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7267] <... futex resumed>) = 0 [pid 7271] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... futex resumed>) = 0 [pid 7271] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7271] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7271] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7267] <... futex resumed>) = 0 [pid 7271] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7271] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... futex resumed>) = 0 [pid 7271] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7267] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7271] <... openat resumed>) = 4 [pid 7271] write(4, "5", 1) = 1 [pid 7271] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7271] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7264] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7264] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7264] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7272], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7272 [pid 7264] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7272 attached [pid 7272] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7272] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 7272] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] <... futex resumed>) = 1 [pid 7272] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [pid 7272] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] <... futex resumed>) = 1 [pid 7272] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = -1 EBADF (Bad file descriptor) [pid 7272] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] <... futex resumed>) = 1 [pid 7272] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = -1 EBADF (Bad file descriptor) [pid 7272] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7264] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] <... futex resumed>) = 1 [pid 7272] sendto(-1, "\x01", 1, 0, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 7272] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7264] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7272] <... futex resumed>) = 1 [pid 7264] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7272] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 7272] write(3, "5", 1) = 1 [pid 7272] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 7272] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... futex resumed>) = 0 [pid 7272] <... futex resumed>) = 1 [pid 7272] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7269] <... set_robust_list resumed>) = 0 [pid 7268] <... set_robust_list resumed>) = 0 [pid 7265] set_robust_list(0x7fc1280c99e0, 24 [pid 7254] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7267] exit_group(0) = ? [ 273.784970][ T7258] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 273.792946][ T7258] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 273.800922][ T7258] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 273.808898][ T7258] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 273.816874][ T7258] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 273.824880][ T7258] [ 273.829098][ T7271] CPU: 1 PID: 7271 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 273.839662][ T7271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 273.849728][ T7271] Call Trace: [ 273.853040][ T7271] [ 273.855977][ T7271] dump_stack_lvl+0xcd/0x134 [ 273.860584][ T7271] should_fail.cold+0x5/0xa [ 273.865184][ T7271] get_futex_key+0x5b2/0x1c50 [ 273.869873][ T7271] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 273.875869][ T7271] ? futex_setup_timer+0xf0/0xf0 [ 273.880822][ T7271] futex_wake+0xe4/0x490 [ 273.885080][ T7271] ? futex_wake_mark+0x1a0/0x1a0 [ 273.890026][ T7271] ? ptrace_stop.part.0+0x5ec/0xa80 [ 273.895260][ T7271] ? do_raw_spin_lock+0x120/0x2a0 [ 273.900293][ T7271] ? rwlock_bug.part.0+0x90/0x90 [ 273.905256][ T7271] ? _raw_spin_lock_irq+0x41/0x50 [ 273.910472][ T7271] do_futex+0x266/0x300 [ 273.914633][ T7271] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 273.920529][ T7271] ? find_held_lock+0x2d/0x110 [ 273.925309][ T7271] __x64_sys_futex+0x1b0/0x4a0 [ 273.930084][ T7271] ? do_futex+0x300/0x300 [ 273.934439][ T7271] ? _raw_spin_unlock_irq+0x1f/0x40 [ 273.939649][ T7271] ? lockdep_hardirqs_on+0x79/0x100 [ 273.944856][ T7271] ? _raw_spin_unlock_irq+0x2a/0x40 [ 273.950063][ T7271] ? ptrace_notify+0xfa/0x140 [ 273.954749][ T7271] do_syscall_64+0x35/0xb0 [ 273.959175][ T7271] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 273.965076][ T7271] RIP: 0033:0x7fc128117db9 [ 273.969494][ T7271] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 273.989196][ T7271] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 273.997619][ T7271] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 274.005593][ T7271] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 274.013568][ T7271] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 274.021545][ T7271] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 274.029574][ T7271] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 7269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7265] <... set_robust_list resumed>) = 0 [pid 7254] exit_group(0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7266, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7269] <... prctl resumed>) = 0 [pid 7268] <... prctl resumed>) = 0 [pid 7265] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7254] <... exit_group resumed>) = ? [pid 7268] setpgid(0, 0 [pid 7271] <... futex resumed>) = ? [pid 7269] setpgid(0, 0 [pid 7268] <... setpgid resumed>) = 0 [pid 7265] <... socket resumed>) = 4 [pid 7258] <... futex resumed>) = ? [pid 7269] <... setpgid resumed>) = 0 [pid 7271] +++ exited with 0 +++ [pid 7269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7267] +++ exited with 0 +++ [pid 7265] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7272] <... futex resumed>) = ? [pid 7269] <... openat resumed>) = 3 [pid 7268] <... openat resumed>) = 3 [pid 7265] <... futex resumed>) = ? [pid 7264] <... exit_group resumed>) = ? [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7267, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7268] write(3, "1000", 4 [pid 7265] +++ exited with 0 +++ [pid 7258] +++ exited with 0 +++ [pid 7254] +++ exited with 0 +++ [pid 7268] <... write resumed>) = 4 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7273 [pid 7268] close(3) = 0 [pid 7268] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7254, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7268] <... futex resumed>) = 0 [pid 7268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7268] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7268] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7274], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7274 [pid 7268] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7268] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7275 ./strace-static-x86_64: Process 7273 attached [pid 7273] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7273] setpgid(0, 0) = 0 [pid 7273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7273] write(3, "1000", 4) = 4 [pid 7269] write(3, "1000", 4 [pid 7273] close(3) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7269] <... write resumed>) = 4 [pid 7269] close(3 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7276 [pid 7269] <... close resumed>) = 0 [pid 7269] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7269] <... futex resumed>) = 0 [pid 7273] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7273] <... mprotect resumed>) = 0 [pid 7269] <... mmap resumed>) = 0x7fc1280a9000 [pid 7269] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7273] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7269] <... mprotect resumed>) = 0 [pid 7269] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7273] <... clone resumed>, parent_tid=[7277], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7277 [pid 7273] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7269] <... clone resumed>, parent_tid=[7278], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7278 [pid 7273] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7277 attached ) = 0 [pid 7269] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7278 attached ./strace-static-x86_64: Process 7276 attached ./strace-static-x86_64: Process 7274 attached [pid 7278] set_robust_list(0x7fc1280c99e0, 24 [pid 7277] set_robust_list(0x7fc1280c99e0, 24) = 0 [ 274.037561][ T7271] [ 274.051674][ T7272] FAULT_INJECTION: forcing a failure. [ 274.051674][ T7272] name fail_futex, interval 1, probability 0, space 0, times 0 [ 274.077101][ T7272] CPU: 1 PID: 7272 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 274.088099][ T7272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 274.098187][ T7272] Call Trace: [ 274.101475][ T7272] [ 274.104404][ T7272] dump_stack_lvl+0xcd/0x134 [ 274.109005][ T7272] should_fail.cold+0x5/0xa [ 274.113534][ T7272] get_futex_key+0x282/0x1c50 [ 274.118227][ T7272] ? __lock_acquire+0x163e/0x5660 [ 274.123252][ T7272] ? futex_setup_timer+0xf0/0xf0 [ 274.128192][ T7272] futex_wake+0xe4/0x490 [ 274.132431][ T7272] ? futex_wake_mark+0x1a0/0x1a0 [ 274.137368][ T7272] ? find_held_lock+0x2d/0x110 [ 274.142140][ T7272] do_futex+0x266/0x300 [ 274.146307][ T7272] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 274.152225][ T7272] mm_release+0x235/0x2c0 [ 274.156568][ T7272] do_exit+0x8a0/0x29d0 [ 274.160726][ T7272] ? asm_common_interrupt+0x22/0x40 [ 274.165934][ T7272] ? asm_common_interrupt+0x22/0x40 [ 274.171135][ T7272] ? lockdep_hardirqs_on+0x79/0x100 [ 274.176332][ T7272] ? mm_update_next_owner+0x7a0/0x7a0 [ 274.181721][ T7272] do_group_exit+0xd2/0x2f0 [ 274.186235][ T7272] get_signal+0x2542/0x2600 [ 274.190754][ T7272] ? exit_signals+0x8b0/0x8b0 [ 274.195431][ T7272] ? userns_owner+0x40/0x40 [ 274.199961][ T7272] ? __task_pid_nr_ns+0x168/0x4b0 [ 274.204985][ T7272] ? lock_downgrade+0x6e0/0x6e0 [ 274.209866][ T7272] arch_do_signal_or_restart+0x82/0x2300 [ 274.215495][ T7272] ? from_kuid_munged+0xa2/0x130 [ 274.220517][ T7272] ? find_held_lock+0x2d/0x110 [ 274.225282][ T7272] ? get_sigframe_size+0x10/0x10 [ 274.230237][ T7272] ? ptrace_notify+0xfa/0x140 [ 274.234910][ T7272] ? lock_downgrade+0x6e0/0x6e0 [ 274.239753][ T7272] ? send_sig+0xfe/0x160 [ 274.243987][ T7272] ? send_sig_info+0x140/0x140 [ 274.249013][ T7272] ? exit_to_user_mode_prepare+0x137/0x250 [ 274.254826][ T7272] exit_to_user_mode_prepare+0x15f/0x250 [ 274.260454][ T7272] syscall_exit_to_user_mode+0x19/0x50 [ 274.265910][ T7272] do_syscall_64+0x42/0xb0 [ 274.270327][ T7272] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 274.276216][ T7272] RIP: 0033:0x7fc128117db9 [ 274.280625][ T7272] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 274.300247][ T7272] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 274.308661][ T7272] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 274.316627][ T7272] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 274.324599][ T7272] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7278] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 7275 attached [pid 7277] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7276] set_robust_list(0x5555564f35e0, 24 [pid 7274] set_robust_list(0x7fc1280c99e0, 24 [pid 7269] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7278] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7277] <... socket resumed>) = 3 [pid 7276] <... set_robust_list resumed>) = 0 [pid 7275] set_robust_list(0x5555564f35e0, 24 [pid 7274] <... set_robust_list resumed>) = 0 [pid 7273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7269] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7272] +++ exited with 0 +++ [pid 7264] +++ exited with 0 +++ [pid 7269] <... futex resumed>) = 0 [pid 7277] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7264, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 7278] <... socket resumed>) = 3 [pid 7277] <... futex resumed>) = 0 [pid 7273] <... futex resumed>) = 0 [pid 7269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7268] <... futex resumed>) = 0 [pid 7278] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7273] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7269] <... mmap resumed>) = 0x7fc128088000 [pid 7268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7276] <... prctl resumed>) = 0 [pid 7278] <... futex resumed>) = 0 [pid 7273] <... mmap resumed>) = 0x7fc128088000 [pid 7269] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7268] <... mmap resumed>) = 0x7fc128088000 [pid 7273] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7268] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7269] <... mprotect resumed>) = 0 [pid 7278] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] setpgid(0, 0 [pid 7273] <... mprotect resumed>) = 0 [pid 7269] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7268] <... mprotect resumed>) = 0 [pid 7276] <... setpgid resumed>) = 0 [pid 7273] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7268] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7274] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7269] <... clone resumed>, parent_tid=[7279], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7279 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7281 attached ./strace-static-x86_64: Process 7282 attached ./strace-static-x86_64: Process 7280 attached ./strace-static-x86_64: Process 7279 attached [pid 7276] <... openat resumed>) = 3 [pid 7275] <... set_robust_list resumed>) = 0 [pid 7274] <... socket resumed>) = 3 [pid 7273] <... clone resumed>, parent_tid=[7280], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7280 [pid 7269] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... clone resumed>, parent_tid=[7281], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7281 [pid 7282] set_robust_list(0x5555564f35e0, 24 [pid 7281] set_robust_list(0x7fc1280a89e0, 24 [pid 7279] set_robust_list(0x7fc1280a89e0, 24 [pid 7276] write(3, "1000", 4 [pid 7275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7274] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7273] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = 0 [pid 7268] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7282 [pid 7282] <... set_robust_list resumed>) = 0 [pid 7273] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7276] <... write resumed>) = 4 [pid 7274] <... futex resumed>) = 0 [pid 7273] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] <... prctl resumed>) = 0 [pid 7279] <... set_robust_list resumed>) = 0 [pid 7276] close(3 [pid 7275] <... prctl resumed>) = 0 [pid 7274] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] setpgid(0, 0 [pid 7276] <... close resumed>) = 0 [pid 7275] setpgid(0, 0 [pid 7282] <... setpgid resumed>) = 0 [pid 7279] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... setpgid resumed>) = 0 [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7279] <... setsockopt resumed>) = 0 [pid 7276] <... futex resumed>) = 0 [pid 7275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7280] set_robust_list(0x7fc1280a89e0, 24 [pid 7282] write(3, "1000", 4 [pid 7279] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7275] <... openat resumed>) = 3 [pid 7282] <... write resumed>) = 4 [pid 7281] <... set_robust_list resumed>) = 0 [pid 7279] <... futex resumed>) = 1 [pid 7276] <... mmap resumed>) = 0x7fc1280a9000 [pid 7275] write(3, "1000", 4 [pid 7269] <... futex resumed>) = 0 [pid 7282] close(3 [pid 7281] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7280] <... set_robust_list resumed>) = 0 [pid 7279] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7275] <... write resumed>) = 4 [pid 7269] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... close resumed>) = 0 [pid 7281] <... setsockopt resumed>) = 0 [pid 7280] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7278] <... futex resumed>) = 0 [pid 7276] <... mprotect resumed>) = 0 [pid 7275] close(3 [pid 7269] <... futex resumed>) = 1 [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... setsockopt resumed>) = 0 [pid 7278] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7276] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7275] <... close resumed>) = 0 [pid 7269] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7282] <... futex resumed>) = 0 [pid 7281] <... futex resumed>) = 1 [pid 7280] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... setsockopt resumed>) = 0 [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] <... futex resumed>) = 0 [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7281] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7280] <... futex resumed>) = 1 [pid 7278] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... clone resumed>, parent_tid=[7283], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7283 [pid 7275] <... futex resumed>) = 0 [pid 7273] <... futex resumed>) = 0 [pid 7268] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7283 attached [pid 7282] <... mmap resumed>) = 0x7fc1280a9000 [pid 7280] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7278] <... futex resumed>) = 1 [pid 7276] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7274] <... futex resumed>) = 0 [pid 7273] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 1 [pid 7283] set_robust_list(0x7fc1280c99e0, 24 [pid 7282] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7278] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... futex resumed>) = 0 [pid 7276] <... futex resumed>) = 0 [pid 7275] <... mmap resumed>) = 0x7fc1280a9000 [pid 7274] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7273] <... futex resumed>) = 1 [pid 7269] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] <... set_robust_list resumed>) = 0 [pid 7282] <... mprotect resumed>) = 0 [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7274] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7273] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 0 [pid 7283] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7282] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7278] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7277] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7275] <... mprotect resumed>) = 0 [pid 7274] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7283] <... socket resumed>) = 3 [pid 7278] <... setsockopt resumed>) = 0 [pid 7277] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7274] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7284 attached [pid 7283] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... clone resumed>, parent_tid=[7284], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7284 [pid 7278] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... futex resumed>) = 1 [pid 7274] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7273] <... futex resumed>) = 0 [pid 7268] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... futex resumed>) = 1 [pid 7282] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... futex resumed>) = 1 [pid 7277] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7284] set_robust_list(0x7fc1280c99e0, 24 [pid 7276] <... futex resumed>) = 0 [pid 7275] <... clone resumed>, parent_tid=[7285], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7285 [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7273] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7284] <... set_robust_list resumed>) = 0 [pid 7283] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... futex resumed>) = 0 [pid 7278] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7273] <... futex resumed>) = 0 [pid 7269] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7285 attached [pid 7284] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7276] <... futex resumed>) = 0 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... setsockopt resumed>) = 0 [pid 7273] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 0 [pid 7285] set_robust_list(0x7fc1280c99e0, 24 [pid 7284] <... socket resumed>) = 3 [pid 7283] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [ 274.332577][ T7272] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 274.340558][ T7272] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 274.348549][ T7272] [pid 7278] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7277] <... setsockopt resumed>) = 0 [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7285] <... set_robust_list resumed>) = 0 [pid 7284] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... setsockopt resumed>) = 0 [pid 7278] <... sendto resumed>) = 1 [pid 7277] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] <... futex resumed>) = 1 [pid 7268] <... futex resumed>) = 0 [pid 7285] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7284] <... futex resumed>) = 1 [pid 7283] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = 0 [pid 7278] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... futex resumed>) = 1 [pid 7274] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7273] <... futex resumed>) = 0 [pid 7268] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] <... futex resumed>) = 1 [pid 7282] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... futex resumed>) = 1 [pid 7277] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7273] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7285] <... socket resumed>) = 3 [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... futex resumed>) = 0 [pid 7278] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7273] <... futex resumed>) = 0 [pid 7269] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7285] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7278] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7276] <... futex resumed>) = 0 [pid 7284] <... setsockopt resumed>) = 0 [pid 7283] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7278] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7273] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 0 [pid 7284] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7278] <... sendto resumed>) = 1 [pid 7269] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7285] <... futex resumed>) = 1 [pid 7284] <... futex resumed>) = 1 [pid 7283] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = 0 [pid 7278] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... sendto resumed>) = 1 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... sendto resumed>) = 1 [pid 7269] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7285] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7284] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] <... futex resumed>) = 1 [pid 7282] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... futex resumed>) = 0 [pid 7277] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... futex resumed>) = 0 [pid 7278] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7277] <... futex resumed>) = 1 [pid 7276] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 1 [pid 7273] <... futex resumed>) = 0 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7285] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7284] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7278] <... openat resumed>) = 4 [pid 7277] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7273] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... setsockopt resumed>) = 0 [pid 7284] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7283] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7278] write(4, "5", 1 [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7273] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7285] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... setsockopt resumed>) = 0 [pid 7278] <... write resumed>) = 1 [pid 7277] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7274] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7273] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7268] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7285] <... futex resumed>) = 1 [pid 7284] <... futex resumed>) = 1 [pid 7283] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = 0 [pid 7278] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7277] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7275] <... futex resumed>) = 0 [pid 7274] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7285] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7284] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] <... futex resumed>) = 1 [pid 7282] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7278] <... setsockopt resumed>) = 0 [pid 7277] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... futex resumed>) = 0 [pid 7278] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... futex resumed>) = 1 [pid 7276] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 1 [pid 7273] <... futex resumed>) = 0 [pid 7268] <... futex resumed>) = 0 [pid 7285] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7284] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7278] <... futex resumed>) = 1 [pid 7277] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7273] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... futex resumed>) = 0 [pid 7268] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7284] <... setsockopt resumed>) = 0 [pid 7283] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7278] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7273] <... futex resumed>) = 0 [pid 7269] exit_group(0 [pid 7268] <... futex resumed>) = 0 [pid 7285] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7279] <... futex resumed>) = ? [pid 7278] <... futex resumed>) = ? [pid 7277] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7274] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7273] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... exit_group resumed>) = ? [pid 7268] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7285] <... futex resumed>) = 1 [pid 7284] <... futex resumed>) = 1 [pid 7283] <... sendto resumed>) = 1 [pid 7282] <... futex resumed>) = 0 [pid 7279] +++ exited with 0 +++ [pid 7278] +++ exited with 0 +++ [pid 7277] <... openat resumed>) = 4 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... openat resumed>) = 4 [pid 7269] +++ exited with 0 +++ [pid 7285] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7284] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] write(4, "5", 1 [pid 7275] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] write(4, "5", 1 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7269, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] <... futex resumed>) = 1 [pid 7282] <... futex resumed>) = 0 [pid 7277] <... write resumed>) = 1 [pid 7276] <... futex resumed>) = 0 [pid 7275] <... futex resumed>) = 0 [pid 7274] <... write resumed>) = 1 [pid 7285] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7284] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7283] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7277] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7276] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7274] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7285] <... setsockopt resumed>) = 0 [pid 7277] <... setsockopt resumed>) = 0 [pid 7274] <... setsockopt resumed>) = 0 [pid 7285] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 0 [pid 7285] <... futex resumed>) = 0 [pid 7284] <... sendto resumed>) = 1 [pid 7283] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7275] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7284] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7275] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = 1 [pid 7283] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = 0 [pid 7275] <... futex resumed>) = 0 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7286 [pid 7284] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] <... futex resumed>) = 1 [pid 7282] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = 0 [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... futex resumed>) = 0 [pid 7276] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7283] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7276] <... futex resumed>) = 0 [pid 7284] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7283] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7276] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7283] <... openat resumed>) = 4 [pid 7284] <... futex resumed>) = 1 [pid 7283] write(4, "5", 1 [pid 7282] <... futex resumed>) = 0 [pid 7284] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7283] <... write resumed>) = 1 [pid 7282] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7283] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7282] <... futex resumed>) = 0 [pid 7284] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7283] <... setsockopt resumed>) = 0 [pid 7282] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] <... openat resumed>) = 4 [ 274.442179][ T7277] FAULT_INJECTION: forcing a failure. [ 274.442179][ T7277] name fail_futex, interval 1, probability 0, space 0, times 0 [ 274.455404][ T7274] FAULT_INJECTION: forcing a failure. [ 274.455404][ T7274] name fail_futex, interval 1, probability 0, space 0, times 0 [ 274.460964][ T7283] FAULT_INJECTION: forcing a failure. [ 274.460964][ T7283] name fail_futex, interval 1, probability 0, space 0, times 0 [ 274.469700][ T7274] CPU: 0 PID: 7274 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 274.491710][ T7274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 274.501768][ T7274] Call Trace: [ 274.505047][ T7274] [ 274.507984][ T7274] dump_stack_lvl+0xcd/0x134 [ 274.512587][ T7274] should_fail.cold+0x5/0xa [ 274.517099][ T7274] get_futex_key+0x5b2/0x1c50 [ 274.521804][ T7274] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 274.527883][ T7274] ? futex_setup_timer+0xf0/0xf0 [ 274.532832][ T7274] futex_wake+0xe4/0x490 [ 274.537084][ T7274] ? futex_wake_mark+0x1a0/0x1a0 [ 274.542029][ T7274] ? ptrace_stop.part.0+0x5ec/0xa80 [ 274.547236][ T7274] ? do_raw_spin_lock+0x120/0x2a0 [ 274.552267][ T7274] ? rwlock_bug.part.0+0x90/0x90 [ 274.557208][ T7274] ? _raw_spin_lock_irq+0x41/0x50 [ 274.562245][ T7274] do_futex+0x266/0x300 [ 274.566409][ T7274] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 274.572481][ T7274] ? find_held_lock+0x2d/0x110 [ 274.577259][ T7274] __x64_sys_futex+0x1b0/0x4a0 [ 274.582033][ T7274] ? do_futex+0x300/0x300 [ 274.586382][ T7274] ? _raw_spin_unlock_irq+0x1f/0x40 [ 274.591619][ T7274] ? lockdep_hardirqs_on+0x79/0x100 [ 274.596836][ T7274] ? _raw_spin_unlock_irq+0x2a/0x40 [ 274.602063][ T7274] ? ptrace_notify+0xfa/0x140 [ 274.606766][ T7274] do_syscall_64+0x35/0xb0 [ 274.611220][ T7274] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 274.617224][ T7274] RIP: 0033:0x7fc128117db9 [ 274.621646][ T7274] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7283] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7286 attached [ 274.641271][ T7274] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 274.649691][ T7274] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 274.657686][ T7274] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 274.665664][ T7274] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 274.673643][ T7274] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 274.681620][ T7274] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 274.689639][ T7274] [pid 7285] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7284] write(4, "5", 1 [pid 7282] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7276] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7275] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7273] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7268] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7286] set_robust_list(0x5555564f35e0, 24 [pid 7285] <... sendto resumed>) = 1 [pid 7276] exit_group(0 [pid 7274] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7273] exit_group(0 [pid 7268] exit_group(0 [pid 7286] <... set_robust_list resumed>) = 0 [pid 7285] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... futex resumed>) = ? [pid 7276] <... exit_group resumed>) = ? [pid 7273] <... exit_group resumed>) = ? [pid 7268] <... exit_group resumed>) = ? [pid 7286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7285] <... futex resumed>) = 0 [pid 7280] +++ exited with 0 +++ [pid 7274] +++ exited with 0 +++ [pid 7286] <... prctl resumed>) = 0 [pid 7285] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] setpgid(0, 0) = 0 [pid 7286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7286] write(3, "1000", 4) = 4 [pid 7286] close(3) = 0 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7286] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7286] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7286] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7287], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7287 [pid 7286] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7287 attached [pid 7287] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7287] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7287] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] <... futex resumed>) = 0 [pid 7286] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... futex resumed>) = 1 [pid 7287] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7287] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7286] <... futex resumed>) = 0 [pid 7287] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7286] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... setsockopt resumed>) = 0 [pid 7286] <... futex resumed>) = 0 [pid 7287] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... futex resumed>) = 0 [pid 7286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7287] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7286] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... setsockopt resumed>) = 0 [pid 7286] <... futex resumed>) = 0 [pid 7287] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... futex resumed>) = 0 [pid 7286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7287] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7286] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... sendto resumed>) = 1 [ 274.697997][ T7277] CPU: 1 PID: 7277 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 274.708542][ T7277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 274.718713][ T7277] Call Trace: [ 274.722014][ T7277] [ 274.724964][ T7277] dump_stack_lvl+0xcd/0x134 [ 274.729589][ T7277] should_fail.cold+0x5/0xa [ 274.734136][ T7277] get_futex_key+0x5b2/0x1c50 [ 274.738840][ T7277] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 7287] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7286] <... futex resumed>) = 0 [pid 7287] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7286] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... sendto resumed>) = 1 [pid 7286] <... futex resumed>) = 0 [pid 7287] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... futex resumed>) = 0 [pid 7286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7287] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7286] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... openat resumed>) = 4 [pid 7286] <... futex resumed>) = 0 [pid 7287] write(4, "5", 1 [pid 7286] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7284] <... write resumed>) = 1 [pid 7281] <... futex resumed>) = ? [pid 7275] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... write resumed>) = 1 [pid 7285] <... futex resumed>) = 0 [pid 7284] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7281] +++ exited with 0 +++ [pid 7275] <... futex resumed>) = 1 [pid 7268] +++ exited with 0 +++ [pid 7287] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7285] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7284] <... setsockopt resumed>) = 0 [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7287] <... setsockopt resumed>) = 0 [pid 7285] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7284] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7285] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... futex resumed>) = 1 [pid 7286] <... futex resumed>) = 0 [pid 7285] <... futex resumed>) = 1 [pid 7282] exit_group(0 [pid 7275] <... futex resumed>) = 0 [pid 7287] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7286] exit_group(0 [pid 7285] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... exit_group resumed>) = ? [pid 7275] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7287] <... futex resumed>) = ? [ 274.744837][ T7277] ? futex_setup_timer+0xf0/0xf0 [ 274.749800][ T7277] futex_wake+0xe4/0x490 [ 274.754079][ T7277] ? futex_wake_mark+0x1a0/0x1a0 [ 274.759046][ T7277] ? ptrace_stop.part.0+0x5ec/0xa80 [ 274.764271][ T7277] ? do_raw_spin_lock+0x120/0x2a0 [ 274.765253][ T7284] FAULT_INJECTION: forcing a failure. [ 274.765253][ T7284] name fail_futex, interval 1, probability 0, space 0, times 0 [ 274.769307][ T7277] ? rwlock_bug.part.0+0x90/0x90 [ 274.769335][ T7277] ? _raw_spin_lock_irq+0x41/0x50 [ 274.792063][ T7277] do_futex+0x266/0x300 [pid 7286] <... exit_group resumed>) = ? [pid 7285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7275] <... futex resumed>) = 0 [pid 7287] +++ exited with 0 +++ [pid 7286] +++ exited with 0 +++ [pid 7285] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7275] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7285] <... openat resumed>) = 4 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7286, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7285] write(4, "5", 1) = 1 [pid 7285] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7285] <... setsockopt resumed>) = 0 [pid 7285] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7288 [ 274.796243][ T7277] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 274.802166][ T7277] ? find_held_lock+0x2d/0x110 [ 274.806972][ T7277] __x64_sys_futex+0x1b0/0x4a0 [ 274.808330][ T7285] FAULT_INJECTION: forcing a failure. [ 274.808330][ T7285] name fail_futex, interval 1, probability 0, space 0, times 0 [ 274.811749][ T7277] ? do_futex+0x300/0x300 [ 274.811777][ T7277] ? _raw_spin_unlock_irq+0x1f/0x40 [ 274.834058][ T7277] ? lockdep_hardirqs_on+0x79/0x100 [ 274.839290][ T7277] ? _raw_spin_unlock_irq+0x2a/0x40 [pid 7275] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7275] exit_group(0) = ? [ 274.844523][ T7277] ? ptrace_notify+0xfa/0x140 [ 274.849220][ T7277] do_syscall_64+0x35/0xb0 [ 274.853655][ T7277] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 274.859569][ T7277] RIP: 0033:0x7fc128117db9 [ 274.863996][ T7277] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 274.883629][ T7277] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 274.892063][ T7277] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 274.900091][ T7277] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 274.908075][ T7277] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 274.916057][ T7277] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 274.924037][ T7277] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 274.932035][ T7277] [ 274.935149][ T7285] CPU: 0 PID: 7285 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 274.945678][ T7285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 274.955744][ T7285] Call Trace: [ 274.959036][ T7285] [ 274.961967][ T7285] dump_stack_lvl+0xcd/0x134 [ 274.966572][ T7285] should_fail.cold+0x5/0xa [ 274.971085][ T7285] get_futex_key+0x5b2/0x1c50 [ 274.975796][ T7285] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 274.981787][ T7285] ? futex_setup_timer+0xf0/0xf0 [ 274.986742][ T7285] futex_wake+0xe4/0x490 [ 274.990992][ T7285] ? futex_wake_mark+0x1a0/0x1a0 [ 274.995937][ T7285] ? ptrace_stop.part.0+0x5ec/0xa80 [ 275.001161][ T7285] ? do_raw_spin_lock+0x120/0x2a0 [ 275.006193][ T7285] ? rwlock_bug.part.0+0x90/0x90 [ 275.011134][ T7285] ? _raw_spin_lock_irq+0x41/0x50 [ 275.016171][ T7285] do_futex+0x266/0x300 [ 275.020347][ T7285] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 275.026246][ T7285] ? find_held_lock+0x2d/0x110 [ 275.031116][ T7285] __x64_sys_futex+0x1b0/0x4a0 [ 275.035888][ T7285] ? do_futex+0x300/0x300 [ 275.040221][ T7285] ? _raw_spin_unlock_irq+0x1f/0x40 [ 275.045425][ T7285] ? lockdep_hardirqs_on+0x79/0x100 [ 275.050649][ T7285] ? _raw_spin_unlock_irq+0x2a/0x40 [ 275.055873][ T7285] ? ptrace_notify+0xfa/0x140 [ 275.060560][ T7285] do_syscall_64+0x35/0xb0 [ 275.064981][ T7285] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 275.070884][ T7285] RIP: 0033:0x7fc128117db9 [ 275.075304][ T7285] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 275.094944][ T7285] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 275.103385][ T7285] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 275.111382][ T7285] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 275.119359][ T7285] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 275.127336][ T7285] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 275.135310][ T7285] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 275.143301][ T7285] [ 275.147064][ T7283] CPU: 0 PID: 7283 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 275.157781][ T7283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 275.167856][ T7283] Call Trace: [ 275.171155][ T7283] [ 275.174097][ T7283] dump_stack_lvl+0xcd/0x134 [ 275.178706][ T7283] should_fail.cold+0x5/0xa [ 275.183232][ T7283] get_futex_key+0x5b2/0x1c50 [ 275.187922][ T7283] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 275.194106][ T7283] ? futex_setup_timer+0xf0/0xf0 [ 275.199073][ T7283] futex_wake+0xe4/0x490 [ 275.203334][ T7283] ? futex_wake_mark+0x1a0/0x1a0 [ 275.208304][ T7283] ? ptrace_stop.part.0+0x5ec/0xa80 [ 275.213538][ T7283] ? do_raw_spin_lock+0x120/0x2a0 [ 275.218570][ T7283] ? rwlock_bug.part.0+0x90/0x90 [ 275.223530][ T7283] ? _raw_spin_lock_irq+0x41/0x50 [ 275.228582][ T7283] do_futex+0x266/0x300 [ 275.232761][ T7283] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 275.238675][ T7283] ? find_held_lock+0x2d/0x110 [ 275.243461][ T7283] __x64_sys_futex+0x1b0/0x4a0 [ 275.248240][ T7283] ? do_futex+0x300/0x300 [ 275.252572][ T7283] ? _raw_spin_unlock_irq+0x1f/0x40 [ 275.257778][ T7283] ? lockdep_hardirqs_on+0x79/0x100 [ 275.262983][ T7283] ? _raw_spin_unlock_irq+0x2a/0x40 [ 275.268188][ T7283] ? ptrace_notify+0xfa/0x140 [ 275.272876][ T7283] do_syscall_64+0x35/0xb0 [ 275.277302][ T7283] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 275.283232][ T7283] RIP: 0033:0x7fc128117db9 [ 275.287696][ T7283] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 275.307327][ T7283] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 275.315768][ T7283] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 275.323752][ T7283] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 275.331742][ T7283] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 275.339724][ T7283] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 ./strace-static-x86_64: Process 7288 attached [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7268, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7288] set_robust_list(0x5555564f35e0, 24 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7288] <... set_robust_list resumed>) = 0 [pid 7288] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 7289 attached [pid 7289] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7289] setpgid(0, 0) = 0 [pid 7289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7289] write(3, "1000", 4) = 4 [pid 7289] close(3) = 0 [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7289] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7289] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7290], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7290 [pid 7289] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7290 attached [pid 7290] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7290] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7290] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7290] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 275.347714][ T7283] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 275.355713][ T7283] [ 275.364185][ T7284] CPU: 1 PID: 7284 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 275.374753][ T7284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 275.384845][ T7284] Call Trace: [ 275.388194][ T7284] [ 275.391149][ T7284] dump_stack_lvl+0xcd/0x134 [ 275.395787][ T7284] should_fail.cold+0x5/0xa [pid 7289] <... futex resumed>) = 0 [pid 7290] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] <... setsockopt resumed>) = 0 [pid 7290] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7290] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] <... futex resumed>) = 0 [pid 7290] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] <... setsockopt resumed>) = 0 [pid 7290] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7290] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] <... futex resumed>) = 0 [pid 7290] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] <... setsockopt resumed>) = 0 [pid 7290] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7290] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] <... futex resumed>) = 0 [pid 7290] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] <... sendto resumed>) = 1 [pid 7290] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7290] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] <... futex resumed>) = 0 [pid 7290] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] <... sendto resumed>) = 1 [pid 7290] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7290] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] <... futex resumed>) = 0 [pid 7290] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7289] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7290] <... openat resumed>) = 4 [pid 7290] write(4, "5", 1) = 1 [ 275.400331][ T7284] get_futex_key+0x5b2/0x1c50 [ 275.405045][ T7284] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 275.411123][ T7284] ? futex_setup_timer+0xf0/0xf0 [ 275.416109][ T7284] futex_wake+0xe4/0x490 [ 275.420394][ T7284] ? futex_wake_mark+0x1a0/0x1a0 [ 275.425372][ T7284] ? ptrace_stop.part.0+0x5ec/0xa80 [ 275.430609][ T7284] ? do_raw_spin_lock+0x120/0x2a0 [ 275.435670][ T7284] ? rwlock_bug.part.0+0x90/0x90 [ 275.440642][ T7284] ? _raw_spin_lock_irq+0x41/0x50 [ 275.445712][ T7284] do_futex+0x266/0x300 [pid 7290] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7290] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7289] <... futex resumed>) = 0 [pid 7290] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] exit_group(0 [pid 7290] <... futex resumed>) = ? [pid 7289] <... exit_group resumed>) = ? [pid 7290] +++ exited with 0 +++ [pid 7289] +++ exited with 0 +++ [pid 7283] <... futex resumed>) = ? [pid 7283] +++ exited with 0 +++ [pid 7276] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7276, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7291 [pid 7285] <... futex resumed>) = ? ./strace-static-x86_64: Process 7291 attached [pid 7291] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7285] +++ exited with 0 +++ [pid 7275] +++ exited with 0 +++ [pid 7291] setpgid(0, 0) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7275, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7291] <... openat resumed>) = 3 [pid 7291] write(3, "1000", 4 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7292 [ 275.449932][ T7284] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 275.455868][ T7284] ? find_held_lock+0x2d/0x110 [ 275.460683][ T7284] __x64_sys_futex+0x1b0/0x4a0 [ 275.465484][ T7284] ? do_futex+0x300/0x300 [ 275.469842][ T7284] ? _raw_spin_unlock_irq+0x1f/0x40 [ 275.475079][ T7284] ? lockdep_hardirqs_on+0x79/0x100 [ 275.480315][ T7284] ? _raw_spin_unlock_irq+0x2a/0x40 [ 275.485555][ T7284] ? ptrace_notify+0xfa/0x140 [ 275.490271][ T7284] do_syscall_64+0x35/0xb0 [ 275.494810][ T7284] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 7291] <... write resumed>) = 4 [pid 7291] close(3) = 0 [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7291] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7291] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7293], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7293 ./strace-static-x86_64: Process 7292 attached [pid 7291] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] set_robust_list(0x5555564f35e0, 24 [pid 7291] <... futex resumed>) = 0 [pid 7292] <... set_robust_list resumed>) = 0 [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7292] setpgid(0, 0) = 0 [pid 7292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7293 attached ) = 3 [pid 7293] set_robust_list(0x7fc1280c99e0, 24 [pid 7292] write(3, "1000", 4 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7292] <... write resumed>) = 4 [pid 7293] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7292] close(3 [pid 7293] <... socket resumed>) = 3 [pid 7292] <... close resumed>) = 0 [pid 7293] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 1 [pid 7292] <... futex resumed>) = 0 [pid 7291] <... futex resumed>) = 0 [pid 7293] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7291] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] <... mmap resumed>) = 0x7fc1280a9000 [pid 7291] <... futex resumed>) = 0 [pid 7293] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7292] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] <... setsockopt resumed>) = 0 [pid 7292] <... mprotect resumed>) = 0 [pid 7293] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7293] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 [pid 7293] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] <... clone resumed>, parent_tid=[7294], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7294 [pid 7291] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... futex resumed>) = 0 [pid 7293] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] <... setsockopt resumed>) = 0 [ 275.500744][ T7284] RIP: 0033:0x7fc128117db9 [ 275.505187][ T7284] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 275.524922][ T7284] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 275.533374][ T7284] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 275.541380][ T7284] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7291] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7294 attached [pid 7293] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] set_robust_list(0x7fc1280c99e0, 24 [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] <... futex resumed>) = 0 [pid 7294] <... set_robust_list resumed>) = 0 [pid 7293] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7293] <... setsockopt resumed>) = 0 [pid 7294] <... socket resumed>) = 3 [pid 7293] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = 1 [pid 7293] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7293] <... sendto resumed>) = 1 [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] <... setsockopt resumed>) = 0 [pid 7293] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = 1 [pid 7293] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... prctl resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7289 [pid 7294] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... futex resumed>) = 0 [pid 7288] setpgid(0, 0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7289, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] <... setpgid resumed>) = 0 [pid 7284] <... futex resumed>) = ? [pid 7277] <... futex resumed>) = ? [pid 7294] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7293] <... sendto resumed>) = 1 [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7294] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7293] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... openat resumed>) = 3 [pid 7284] +++ exited with 0 +++ [pid 7282] +++ exited with 0 +++ [pid 7277] +++ exited with 0 +++ [pid 7273] +++ exited with 0 +++ [pid 7294] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 1 [pid 7291] <... futex resumed>) = 0 [pid 7288] write(3, "1000", 4 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7273, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7282, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7294] <... futex resumed>) = 1 [pid 7293] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... write resumed>) = 4 ./strace-static-x86_64: Process 7295 attached [pid 7294] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... futex resumed>) = 0 [pid 7288] close(3 [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 7295] set_robust_list(0x5555564f35e0, 24 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7292] <... futex resumed>) = 0 [pid 7291] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] <... close resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7295 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7296 attached [pid 7295] <... set_robust_list resumed>) = 0 [pid 7294] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7293] <... openat resumed>) = 4 [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] set_robust_list(0x5555564f35e0, 24 [pid 7295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7294] <... setsockopt resumed>) = 0 [pid 7293] write(4, "5", 1 [pid 7288] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7296 [pid 7296] <... set_robust_list resumed>) = 0 [pid 7295] <... prctl resumed>) = 0 [pid 7294] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... write resumed>) = 1 [pid 7288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7295] setpgid(0, 0 [pid 7294] <... futex resumed>) = 1 [pid 7293] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7292] <... futex resumed>) = 0 [pid 7288] <... mmap resumed>) = 0x7fc1280a9000 [pid 7296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7295] <... setpgid resumed>) = 0 [pid 7294] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... setsockopt resumed>) = 0 [pid 7292] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7296] <... prctl resumed>) = 0 [pid 7295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] <... futex resumed>) = 0 [pid 7288] <... mprotect resumed>) = 0 [pid 7295] <... openat resumed>) = 3 [pid 7294] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7293] <... futex resumed>) = 1 [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7291] <... futex resumed>) = 0 [pid 7296] setpgid(0, 0 [pid 7295] write(3, "1000", 4 [pid 7288] clone(child_stack=0x7fc1280c93f0, 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 7298 attached ./strace-static-x86_64: Process 7297 attached [pid 7296] <... setpgid resumed>) = 0 [pid 7295] <... write resumed>) = 4 [pid 7294] <... sendto resumed>) = 1 [pid 7293] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7291] exit_group(0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7297 [pid 7298] set_robust_list(0x7fc1280c99e0, 24 [pid 7297] set_robust_list(0x5555564f35e0, 24 [pid 7296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7295] close(3 [pid 7294] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = ? [ 275.549474][ T7284] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 275.557480][ T7284] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 275.565487][ T7284] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 275.573517][ T7284] [pid 7291] <... exit_group resumed>) = ? [pid 7288] <... clone resumed>, parent_tid=[7298], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7298 [pid 7298] <... set_robust_list resumed>) = 0 [pid 7297] <... set_robust_list resumed>) = 0 [pid 7296] <... openat resumed>) = 3 [pid 7295] <... close resumed>) = 0 [pid 7294] <... futex resumed>) = 1 [pid 7293] +++ exited with 0 +++ [pid 7292] <... futex resumed>) = 0 [pid 7291] +++ exited with 0 +++ [pid 7288] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7296] write(3, "1000", 4 [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7291, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7298] <... socket resumed>) = 3 [pid 7297] <... prctl resumed>) = 0 [pid 7296] <... write resumed>) = 4 [pid 7295] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] <... futex resumed>) = 0 [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7298] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] setpgid(0, 0 [pid 7296] close(3 [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7294] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7298] <... futex resumed>) = 0 [pid 7297] <... setpgid resumed>) = 0 [pid 7296] <... close resumed>) = 0 [pid 7295] <... mmap resumed>) = 0x7fc1280a9000 [pid 7294] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7288] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7298] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7296] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7294] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... futex resumed>) = 0 [pid 7298] <... setsockopt resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7295] <... mprotect resumed>) = 0 [pid 7294] <... futex resumed>) = 1 [pid 7292] <... futex resumed>) = 0 [pid 7298] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... openat resumed>) = 3 [pid 7296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7295] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7294] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7299 ./strace-static-x86_64: Process 7299 attached [pid 7298] <... futex resumed>) = 0 [pid 7297] write(3, "1000", 4 [pid 7296] <... mmap resumed>) = 0x7fc1280a9000 [pid 7294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] <... futex resumed>) = 0 [pid 7288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7300 attached [pid 7299] set_robust_list(0x5555564f35e0, 24 [pid 7298] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] <... write resumed>) = 4 [pid 7296] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7295] <... clone resumed>, parent_tid=[7300], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7300 [pid 7294] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7292] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] set_robust_list(0x7fc1280c99e0, 24 [pid 7299] <... set_robust_list resumed>) = 0 [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] close(3 [pid 7296] <... mprotect resumed>) = 0 [pid 7295] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... openat resumed>) = 4 [pid 7288] <... futex resumed>) = 0 [pid 7299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7298] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7297] <... close resumed>) = 0 [pid 7296] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7295] <... futex resumed>) = 0 [pid 7294] write(4, "5", 1 [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] <... set_robust_list resumed>) = 0 [pid 7299] <... prctl resumed>) = 0 [pid 7298] <... setsockopt resumed>) = 0 [pid 7297] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] <... write resumed>) = 1 [pid 7300] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7299] setpgid(0, 0 [pid 7298] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... futex resumed>) = 0 [pid 7296] <... clone resumed>, parent_tid=[7301], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7301 [pid 7294] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7300] <... socket resumed>) = 3 [pid 7299] <... setpgid resumed>) = 0 [pid 7298] <... futex resumed>) = 1 [pid 7297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7296] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7294] <... setsockopt resumed>) = 0 [pid 7288] <... futex resumed>) = 0 [pid 7300] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7298] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] <... mmap resumed>) = 0x7fc1280a9000 [pid 7296] <... futex resumed>) = 0 [pid 7294] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7301 attached [pid 7300] <... futex resumed>) = 1 [pid 7299] <... openat resumed>) = 3 [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7296] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7295] <... futex resumed>) = 0 [pid 7288] <... futex resumed>) = 0 [pid 7300] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] write(3, "1000", 4 [pid 7297] <... mprotect resumed>) = 0 [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... write resumed>) = 4 [pid 7297] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7299] close(3) = 0 [pid 7297] <... clone resumed>, parent_tid=[7302], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7302 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7302 attached [pid 7301] set_robust_list(0x7fc1280c99e0, 24 [pid 7299] <... futex resumed>) = 0 [pid 7298] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7297] <... futex resumed>) = 0 [pid 7295] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7297] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7299] <... mmap resumed>) = 0x7fc1280a9000 [pid 7299] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7299] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7303], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7303 [pid 7299] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7303 attached [pid 7303] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7303] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7303] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7299] <... futex resumed>) = 0 [pid 7303] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7299] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] <... setsockopt resumed>) = 0 [pid 7299] <... futex resumed>) = 0 [pid 7303] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] <... futex resumed>) = 0 [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7303] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7299] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7299] <... futex resumed>) = 0 [ 275.639159][ T7294] FAULT_INJECTION: forcing a failure. [ 275.639159][ T7294] name fail_futex, interval 1, probability 0, space 0, times 0 [ 275.652989][ T7294] CPU: 0 PID: 7294 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 275.663891][ T7294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 275.674078][ T7294] Call Trace: [ 275.677386][ T7294] [ 275.680341][ T7294] dump_stack_lvl+0xcd/0x134 [ 275.684979][ T7294] should_fail.cold+0x5/0xa [pid 7303] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] <... futex resumed>) = 0 [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7303] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7299] <... futex resumed>) = 0 [pid 7303] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] <... setsockopt resumed>) = 0 [pid 7303] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 275.689508][ T7294] get_futex_key+0x5b2/0x1c50 [ 275.694209][ T7294] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 275.700232][ T7294] ? futex_setup_timer+0xf0/0xf0 [ 275.705197][ T7294] futex_wake+0xe4/0x490 [ 275.709462][ T7294] ? futex_wake_mark+0x1a0/0x1a0 [ 275.714414][ T7294] ? ptrace_stop.part.0+0x5ec/0xa80 [ 275.719625][ T7294] ? do_raw_spin_lock+0x120/0x2a0 [ 275.724666][ T7294] ? rwlock_bug.part.0+0x90/0x90 [ 275.729718][ T7294] ? _raw_spin_lock_irq+0x41/0x50 [ 275.734778][ T7294] do_futex+0x266/0x300 [ 275.738972][ T7294] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 275.744934][ T7294] ? find_held_lock+0x2d/0x110 [ 275.750185][ T7294] __x64_sys_futex+0x1b0/0x4a0 [ 275.754975][ T7294] ? do_futex+0x300/0x300 [ 275.759318][ T7294] ? _raw_spin_unlock_irq+0x1f/0x40 [ 275.764565][ T7294] ? lockdep_hardirqs_on+0x79/0x100 [ 275.769801][ T7294] ? _raw_spin_unlock_irq+0x2a/0x40 [ 275.775023][ T7294] ? ptrace_notify+0xfa/0x140 [ 275.779732][ T7294] do_syscall_64+0x35/0xb0 [ 275.784189][ T7294] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 275.790100][ T7294] RIP: 0033:0x7fc128117db9 [ 275.794523][ T7294] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 275.814153][ T7294] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 275.822575][ T7294] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 275.831427][ T7294] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7299] <... futex resumed>) = 0 [pid 7303] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7299] <... futex resumed>) = 0 [pid 7303] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] <... sendto resumed>) = 1 [pid 7303] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] set_robust_list(0x7fc1280c99e0, 24 [pid 7301] <... set_robust_list resumed>) = 0 [pid 7300] <... futex resumed>) = 0 [pid 7299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7298] <... setsockopt resumed>) = 0 [pid 7297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7295] <... futex resumed>) = 1 [pid 7294] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7288] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7303] <... futex resumed>) = 0 [pid 7302] <... set_robust_list resumed>) = 0 [pid 7301] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7300] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7299] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7294] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7292] exit_group(0 [pid 7288] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7302] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7301] <... socket resumed>) = 3 [pid 7300] <... setsockopt resumed>) = 0 [pid 7299] <... futex resumed>) = 0 [pid 7298] <... futex resumed>) = 0 [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7294] <... futex resumed>) = ? [pid 7292] <... exit_group resumed>) = ? [pid 7288] <... futex resumed>) = 0 [pid 7303] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7302] <... socket resumed>) = 3 [pid 7301] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7298] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7296] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7294] +++ exited with 0 +++ [pid 7303] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] <... futex resumed>) = 0 [pid 7300] <... futex resumed>) = 1 [pid 7299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] <... futex resumed>) = 0 [pid 7292] +++ exited with 0 +++ [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] <... futex resumed>) = 0 [pid 7302] <... futex resumed>) = 0 [pid 7301] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7300] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] <... mmap resumed>) = 0x7fc128088000 [pid 7296] <... mmap resumed>) = 0x7fc128088000 [pid 7295] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7292, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 7303] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7302] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7299] <... futex resumed>) = 0 [pid 7297] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7296] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7295] <... futex resumed>) = 0 [pid 7303] <... openat resumed>) = 4 [pid 7300] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7299] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7298] <... sendto resumed>) = 1 [pid 7297] <... mprotect resumed>) = 0 [pid 7296] <... mprotect resumed>) = 0 [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] write(4, "5", 1 [pid 7300] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7298] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7296] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7305 attached ./strace-static-x86_64: Process 7304 attached [pid 7303] <... write resumed>) = 1 [pid 7300] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... futex resumed>) = 1 [pid 7288] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7306 attached [pid 7305] set_robust_list(0x7fc1280a89e0, 24 [pid 7304] set_robust_list(0x7fc1280a89e0, 24 [pid 7303] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7300] <... futex resumed>) = 1 [pid 7298] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] <... clone resumed>, parent_tid=[7304], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7304 [pid 7296] <... clone resumed>, parent_tid=[7305], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7305 [pid 7295] <... futex resumed>) = 0 [pid 7288] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] set_robust_list(0x5555564f35e0, 24 [pid 7305] <... set_robust_list resumed>) = 0 [pid 7304] <... set_robust_list resumed>) = 0 [pid 7303] <... setsockopt resumed>) = 0 [pid 7300] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7306 [pid 7306] <... set_robust_list resumed>) = 0 [ 275.839402][ T7294] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 275.847377][ T7294] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 275.855351][ T7294] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 275.863337][ T7294] [pid 7303] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7298] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7297] <... futex resumed>) = 0 [pid 7305] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7296] <... futex resumed>) = 0 [pid 7295] <... futex resumed>) = 0 [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7298] <... sendto resumed>) = 1 [pid 7297] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] <... prctl resumed>) = 0 [pid 7298] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] setpgid(0, 0 [pid 7298] <... futex resumed>) = 1 [pid 7288] <... futex resumed>) = 0 [pid 7306] <... setpgid resumed>) = 0 [pid 7298] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7288] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7288] <... futex resumed>) = 0 [pid 7306] <... openat resumed>) = 3 [pid 7298] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7288] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] write(3, "1000", 4 [pid 7298] <... openat resumed>) = 4 [pid 7306] <... write resumed>) = 4 [pid 7298] write(4, "5", 1 [pid 7306] close(3 [pid 7298] <... write resumed>) = 1 [pid 7306] <... close resumed>) = 0 [pid 7298] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] <... setsockopt resumed>) = 0 [pid 7306] <... futex resumed>) = 0 [pid 7298] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7298] <... futex resumed>) = 1 [pid 7288] <... futex resumed>) = 0 [pid 7306] <... mmap resumed>) = 0x7fc1280a9000 [pid 7298] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7288] exit_group(0 [pid 7306] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7298] <... futex resumed>) = ? [pid 7288] <... exit_group resumed>) = ? [pid 7306] <... mprotect resumed>) = 0 [pid 7298] +++ exited with 0 +++ [pid 7288] +++ exited with 0 +++ [pid 7306] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7288, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7306] <... clone resumed>, parent_tid=[7307], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7307 [pid 7306] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] <... setsockopt resumed>) = 0 [pid 7305] <... setsockopt resumed>) = 0 [pid 7304] <... setsockopt resumed>) = 0 [pid 7300] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 0 [ 275.899219][ T7303] FAULT_INJECTION: forcing a failure. [ 275.899219][ T7303] name fail_futex, interval 1, probability 0, space 0, times 0 [ 275.914710][ T7303] CPU: 1 PID: 7303 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 275.925293][ T7303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 275.935381][ T7303] Call Trace: [ 275.938685][ T7303] [ 275.941827][ T7303] dump_stack_lvl+0xcd/0x134 [pid 7305] <... futex resumed>) = 1 [pid 7304] <... futex resumed>) = 1 [pid 7300] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7295] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7297] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7302] <... futex resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7297] <... futex resumed>) = 1 [pid 7296] <... futex resumed>) = 1 [pid 7302] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7301] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7297] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7308 [pid 7302] <... setsockopt resumed>) = 0 [pid 7301] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) ./strace-static-x86_64: Process 7307 attached [pid 7302] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] set_robust_list(0x7fc1280c99e0, 24 [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 1 [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7307] <... set_robust_list resumed>) = 0 [pid 7302] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7307] <... socket resumed>) = 3 [pid 7302] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7301] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7297] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7308 attached [pid 7307] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... setsockopt resumed>) = 0 [pid 7301] <... setsockopt resumed>) = 0 [pid 7308] set_robust_list(0x5555564f35e0, 24 [pid 7307] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7302] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... set_robust_list resumed>) = 0 [pid 7307] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 1 [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... futex resumed>) = 0 [pid 7302] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... prctl resumed>) = 0 [pid 7307] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7308] setpgid(0, 0 [pid 7307] <... setsockopt resumed>) = 0 [pid 7302] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7301] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7297] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7308] <... setpgid resumed>) = 0 [pid 7307] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... sendto resumed>) = 1 [pid 7301] <... sendto resumed>) = 1 [pid 7308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7307] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7302] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... openat resumed>) = 3 [pid 7307] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 1 [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7308] write(3, "1000", 4 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... futex resumed>) = 0 [pid 7302] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7297] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... write resumed>) = 4 [pid 7307] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7308] close(3 [pid 7307] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7302] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7301] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7297] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7308] <... close resumed>) = 0 [pid 7307] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... sendto resumed>) = 1 [pid 7301] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7302] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7308] <... futex resumed>) = 0 [pid 7307] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = 1 [pid 7301] <... futex resumed>) = 1 [pid 7299] exit_group(0 [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... futex resumed>) = 0 [pid 7302] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7301] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7299] <... exit_group resumed>) = ? [pid 7297] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7296] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... mmap resumed>) = 0x7fc1280a9000 [pid 7307] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] <... futex resumed>) = 0 [pid 7296] <... futex resumed>) = 0 [pid 7308] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7307] <... setsockopt resumed>) = 0 [pid 7302] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7301] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7297] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7308] <... mprotect resumed>) = 0 [pid 7307] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... openat resumed>) = 4 [pid 7301] <... openat resumed>) = 4 [pid 7308] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7307] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7302] write(4, "5", 1 [pid 7301] write(4, "5", 1 [pid 7307] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... write resumed>) = 1 [pid 7301] <... write resumed>) = 1 [pid 7308] <... clone resumed>, parent_tid=[7309], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7309 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... futex resumed>) = 0 [pid 7302] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7301] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7308] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... setsockopt resumed>) = 0 [pid 7301] <... setsockopt resumed>) = 0 [pid 7308] <... futex resumed>) = 0 [pid 7307] <... sendto resumed>) = 1 [pid 7302] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7301] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7307] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = 1 [pid 7300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7297] <... futex resumed>) = 0 [pid 7307] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7302] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7300] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7297] exit_group(0 [pid 7307] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = ? [pid 7300] <... sendto resumed>) = 1 [pid 7297] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7309 attached [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... futex resumed>) = 0 [pid 7302] +++ exited with 0 +++ [pid 7300] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] set_robust_list(0x7fc1280c99e0, 24 [pid 7307] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] <... futex resumed>) = 0 [pid 7309] <... set_robust_list resumed>) = 0 [pid 7307] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7300] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7309] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7307] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... socket resumed>) = 3 [pid 7307] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7309] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = 1 [pid 7308] <... futex resumed>) = 0 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... futex resumed>) = 0 [pid 7309] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7306] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7308] <... futex resumed>) = 0 [pid 7307] <... openat resumed>) = 4 [pid 7296] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7309] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7307] write(4, "5", 1 [ 275.946460][ T7303] should_fail.cold+0x5/0xa [ 275.951025][ T7303] get_futex_key+0x5b2/0x1c50 [ 275.951652][ T7301] FAULT_INJECTION: forcing a failure. [ 275.951652][ T7301] name fail_futex, interval 1, probability 0, space 0, times 0 [ 275.955715][ T7303] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 275.955747][ T7303] ? futex_setup_timer+0xf0/0xf0 [ 275.979493][ T7303] futex_wake+0xe4/0x490 [ 275.983886][ T7303] ? futex_wake_mark+0x1a0/0x1a0 [ 275.988861][ T7303] ? ptrace_stop.part.0+0x5ec/0xa80 [ 275.994187][ T7303] ? do_raw_spin_lock+0x120/0x2a0 [pid 7296] exit_group(0 [pid 7309] <... setsockopt resumed>) = 0 [pid 7307] <... write resumed>) = 1 [pid 7296] <... exit_group resumed>) = ? [pid 7309] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7309] <... futex resumed>) = 1 [pid 7308] <... futex resumed>) = 0 [pid 7307] <... setsockopt resumed>) = 0 [pid 7309] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7307] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7308] <... futex resumed>) = 0 [pid 7309] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7309] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7308] <... futex resumed>) = 0 [pid 7309] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7308] <... futex resumed>) = 0 [pid 7309] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... setsockopt resumed>) = 0 [pid 7309] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7308] <... futex resumed>) = 0 [pid 7309] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7308] <... futex resumed>) = 0 [pid 7305] +++ exited with 0 +++ [pid 7309] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... sendto resumed>) = 1 [pid 7309] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7308] <... futex resumed>) = 0 [pid 7309] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7308] <... futex resumed>) = 0 [pid 7309] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7309] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7309] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7308] <... futex resumed>) = 0 [pid 7309] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7308] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7308] <... futex resumed>) = 0 [pid 7306] exit_group(0 [ 275.999263][ T7303] ? rwlock_bug.part.0+0x90/0x90 [ 276.003341][ T7307] FAULT_INJECTION: forcing a failure. [ 276.003341][ T7307] name fail_futex, interval 1, probability 0, space 0, times 0 [ 276.004218][ T7303] ? _raw_spin_lock_irq+0x41/0x50 [ 276.022197][ T7303] do_futex+0x266/0x300 [ 276.026388][ T7303] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 276.032313][ T7303] ? find_held_lock+0x2d/0x110 [ 276.037153][ T7303] __x64_sys_futex+0x1b0/0x4a0 [ 276.042212][ T7303] ? do_futex+0x300/0x300 [pid 7309] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7308] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7306] <... exit_group resumed>) = ? [pid 7309] <... openat resumed>) = 4 [pid 7309] write(4, "5", 1) = 1 [pid 7309] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 276.046660][ T7303] ? _raw_spin_unlock_irq+0x1f/0x40 [ 276.051900][ T7303] ? lockdep_hardirqs_on+0x79/0x100 [ 276.057125][ T7303] ? _raw_spin_unlock_irq+0x2a/0x40 [ 276.062342][ T7303] ? ptrace_notify+0xfa/0x140 [ 276.064704][ T7309] FAULT_INJECTION: forcing a failure. [ 276.064704][ T7309] name fail_futex, interval 1, probability 0, space 0, times 0 [ 276.067026][ T7303] do_syscall_64+0x35/0xb0 [ 276.067054][ T7303] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 276.090138][ T7303] RIP: 0033:0x7fc128117db9 [pid 7309] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7308] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7308] exit_group(0) = ? [ 276.094565][ T7303] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 276.114198][ T7303] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 276.122639][ T7303] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 276.130639][ T7303] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 276.138631][ T7303] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7300] <... futex resumed>) = 0 [pid 7295] <... futex resumed>) = 1 [ 276.146615][ T7303] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 276.154637][ T7303] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 276.162681][ T7303] [ 276.170280][ T7307] CPU: 0 PID: 7307 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 276.180874][ T7307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 276.191384][ T7307] Call Trace: [ 276.194673][ T7307] [ 276.197612][ T7307] dump_stack_lvl+0xcd/0x134 [ 276.202223][ T7307] should_fail.cold+0x5/0xa [ 276.206756][ T7307] get_futex_key+0x5b2/0x1c50 [ 276.211448][ T7307] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 276.217445][ T7307] ? futex_setup_timer+0xf0/0xf0 [ 276.222404][ T7307] futex_wake+0xe4/0x490 [ 276.226667][ T7307] ? futex_wake_mark+0x1a0/0x1a0 [ 276.231706][ T7307] ? ptrace_stop.part.0+0x5ec/0xa80 [ 276.237015][ T7307] ? do_raw_spin_lock+0x120/0x2a0 [ 276.242051][ T7307] ? rwlock_bug.part.0+0x90/0x90 [ 276.247000][ T7307] ? _raw_spin_lock_irq+0x41/0x50 [ 276.252078][ T7307] do_futex+0x266/0x300 [ 276.256269][ T7307] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 276.262173][ T7307] ? find_held_lock+0x2d/0x110 [ 276.266962][ T7307] __x64_sys_futex+0x1b0/0x4a0 [ 276.271746][ T7307] ? do_futex+0x300/0x300 [ 276.276083][ T7307] ? _raw_spin_unlock_irq+0x1f/0x40 [ 276.281290][ T7307] ? lockdep_hardirqs_on+0x79/0x100 [ 276.286498][ T7307] ? _raw_spin_unlock_irq+0x2a/0x40 [ 276.291704][ T7307] ? ptrace_notify+0xfa/0x140 [ 276.296390][ T7307] do_syscall_64+0x35/0xb0 [ 276.300816][ T7307] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 276.306717][ T7307] RIP: 0033:0x7fc128117db9 [ 276.311162][ T7307] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 276.330796][ T7307] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 276.339224][ T7307] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 7300] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7304] +++ exited with 0 +++ [pid 7303] <... futex resumed>) = ? [pid 7297] +++ exited with 0 +++ [ 276.347235][ T7307] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 276.355212][ T7307] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 276.363187][ T7307] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 276.371163][ T7307] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 276.379152][ T7307] [ 276.382293][ T7301] CPU: 1 PID: 7301 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 276.392825][ T7301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 276.402983][ T7301] Call Trace: [ 276.406269][ T7301] [ 276.409202][ T7301] dump_stack_lvl+0xcd/0x134 [ 276.413809][ T7301] should_fail.cold+0x5/0xa [ 276.418334][ T7301] get_futex_key+0x5b2/0x1c50 [ 276.423020][ T7301] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 276.429022][ T7301] ? futex_setup_timer+0xf0/0xf0 [ 276.433978][ T7301] futex_wake+0xe4/0x490 [ 276.438325][ T7301] ? futex_wake_mark+0x1a0/0x1a0 [ 276.443358][ T7301] ? ptrace_stop.part.0+0x5ec/0xa80 [ 276.448605][ T7301] ? do_raw_spin_lock+0x120/0x2a0 [ 276.453649][ T7301] ? rwlock_bug.part.0+0x90/0x90 [ 276.458599][ T7301] ? _raw_spin_lock_irq+0x41/0x50 [ 276.463642][ T7301] do_futex+0x266/0x300 [ 276.467814][ T7301] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 276.473727][ T7301] ? find_held_lock+0x2d/0x110 [ 276.478528][ T7301] __x64_sys_futex+0x1b0/0x4a0 [ 276.483391][ T7301] ? do_futex+0x300/0x300 [ 276.487723][ T7301] ? _raw_spin_unlock_irq+0x1f/0x40 [ 276.492933][ T7301] ? lockdep_hardirqs_on+0x79/0x100 [ 276.498142][ T7301] ? _raw_spin_unlock_irq+0x2a/0x40 [ 276.503349][ T7301] ? ptrace_notify+0xfa/0x140 [ 276.508041][ T7301] do_syscall_64+0x35/0xb0 [ 276.512515][ T7301] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 276.518420][ T7301] RIP: 0033:0x7fc128117db9 [ 276.522838][ T7301] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 276.542455][ T7301] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] +++ exited with 0 +++ [pid 7299] +++ exited with 0 +++ [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7297, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7295] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... futex resumed>) = 0 [pid 7295] <... futex resumed>) = 1 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7299, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 7300] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7300] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [ 276.550874][ T7301] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 276.558848][ T7301] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 276.566837][ T7301] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 276.574814][ T7301] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 276.582807][ T7301] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 276.590797][ T7301] [pid 7300] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7310 [pid 7300] <... futex resumed>) = 1 [pid 7295] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7300] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7295] <... futex resumed>) = 0 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7311 [pid 7300] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7295] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] <... openat resumed>) = 4 [pid 7300] write(4, "5", 1) = 1 [pid 7300] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 276.600528][ T7309] CPU: 1 PID: 7309 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 276.611088][ T7309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 276.617315][ T7300] FAULT_INJECTION: forcing a failure. [ 276.617315][ T7300] name fail_futex, interval 1, probability 0, space 0, times 0 [ 276.621153][ T7309] Call Trace: [ 276.621163][ T7309] [ 276.621174][ T7309] dump_stack_lvl+0xcd/0x134 [ 276.644994][ T7309] should_fail.cold+0x5/0xa [pid 7300] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7295] exit_group(0) = ? [ 276.649534][ T7309] get_futex_key+0x5b2/0x1c50 [ 276.654227][ T7309] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 276.660318][ T7309] ? futex_setup_timer+0xf0/0xf0 [ 276.665389][ T7309] futex_wake+0xe4/0x490 [ 276.669655][ T7309] ? futex_wake_mark+0x1a0/0x1a0 [ 276.674612][ T7309] ? ptrace_stop.part.0+0x5ec/0xa80 [ 276.679840][ T7309] ? do_raw_spin_lock+0x120/0x2a0 [ 276.684891][ T7309] ? rwlock_bug.part.0+0x90/0x90 [ 276.689846][ T7309] ? _raw_spin_lock_irq+0x41/0x50 [ 276.694906][ T7309] do_futex+0x266/0x300 [ 276.699116][ T7309] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 276.705031][ T7309] ? find_held_lock+0x2d/0x110 [ 276.709839][ T7309] __x64_sys_futex+0x1b0/0x4a0 [ 276.714634][ T7309] ? do_futex+0x300/0x300 [ 276.718980][ T7309] ? _raw_spin_unlock_irq+0x1f/0x40 [ 276.724207][ T7309] ? lockdep_hardirqs_on+0x79/0x100 [ 276.729421][ T7309] ? _raw_spin_unlock_irq+0x2a/0x40 [ 276.734643][ T7309] ? ptrace_notify+0xfa/0x140 [ 276.739357][ T7309] do_syscall_64+0x35/0xb0 [ 276.743791][ T7309] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 276.749714][ T7309] RIP: 0033:0x7fc128117db9 [ 276.754140][ T7309] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 276.773768][ T7309] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 276.782195][ T7309] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 276.790179][ T7309] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 276.798165][ T7309] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 276.806154][ T7309] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 276.814400][ T7309] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 276.822408][ T7309] [ 276.825441][ T7300] CPU: 0 PID: 7300 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 276.835970][ T7300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 276.846132][ T7300] Call Trace: [ 276.849413][ T7300] [ 276.852347][ T7300] dump_stack_lvl+0xcd/0x134 [ 276.856964][ T7300] should_fail.cold+0x5/0xa [ 276.861491][ T7300] get_futex_key+0x5b2/0x1c50 [ 276.866175][ T7300] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 276.872164][ T7300] ? futex_setup_timer+0xf0/0xf0 [ 276.877128][ T7300] futex_wake+0xe4/0x490 [ 276.881378][ T7300] ? futex_wake_mark+0x1a0/0x1a0 [ 276.886665][ T7300] ? ptrace_stop.part.0+0x5ec/0xa80 [ 276.891869][ T7300] ? do_raw_spin_lock+0x120/0x2a0 [ 276.896895][ T7300] ? rwlock_bug.part.0+0x90/0x90 [ 276.901831][ T7300] ? _raw_spin_lock_irq+0x41/0x50 [ 276.906864][ T7300] do_futex+0x266/0x300 [ 276.911023][ T7300] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 276.916920][ T7300] ? find_held_lock+0x2d/0x110 [ 276.921697][ T7300] __x64_sys_futex+0x1b0/0x4a0 [ 276.926468][ T7300] ? do_futex+0x300/0x300 [ 276.930807][ T7300] ? _raw_spin_unlock_irq+0x1f/0x40 [ 276.936012][ T7300] ? lockdep_hardirqs_on+0x79/0x100 [ 276.941318][ T7300] ? _raw_spin_unlock_irq+0x2a/0x40 [ 276.946520][ T7300] ? ptrace_notify+0xfa/0x140 [ 276.951210][ T7300] do_syscall_64+0x35/0xb0 [ 276.955631][ T7300] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 276.961537][ T7300] RIP: 0033:0x7fc128117db9 [ 276.965970][ T7300] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 276.985582][ T7300] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 276.993998][ T7300] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 ./strace-static-x86_64: Process 7311 attached ./strace-static-x86_64: Process 7310 attached [pid 7309] <... futex resumed>) = ? [pid 7307] <... futex resumed>) = ? [pid 7301] <... futex resumed>) = ? [pid 7311] set_robust_list(0x5555564f35e0, 24 [pid 7310] set_robust_list(0x5555564f35e0, 24 [pid 7309] +++ exited with 0 +++ [pid 7308] +++ exited with 0 +++ [pid 7300] <... futex resumed>) = ? [pid 7311] <... set_robust_list resumed>) = 0 [pid 7310] <... set_robust_list resumed>) = 0 [pid 7307] +++ exited with 0 +++ [pid 7306] +++ exited with 0 +++ [pid 7301] +++ exited with 0 +++ [pid 7296] +++ exited with 0 +++ [pid 7311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7311] <... prctl resumed>) = 0 [pid 7310] <... prctl resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7296, si_uid=0, si_status=0, si_utime=0, si_stime=36} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7308, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7306, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7311] setpgid(0, 0 [pid 7310] setpgid(0, 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7311] <... setpgid resumed>) = 0 [pid 7310] <... setpgid resumed>) = 0 [pid 7311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7311] <... openat resumed>) = 3 [pid 7310] <... openat resumed>) = 3 [pid 7311] write(3, "1000", 4 [pid 7310] write(3, "1000", 4 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7312 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7313 [pid 7311] <... write resumed>) = 4 [pid 7310] <... write resumed>) = 4 [pid 7311] close(3 [pid 7310] close(3 [pid 7311] <... close resumed>) = 0 [pid 7310] <... close resumed>) = 0 [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7311] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7310] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7311] <... mmap resumed>) = 0x7fc1280a9000 [pid 7310] <... mmap resumed>) = 0x7fc1280a9000 [pid 7311] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7310] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7311] <... mprotect resumed>) = 0 [pid 7310] <... mprotect resumed>) = 0 [pid 7311] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7310] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7314 [pid 7311] <... clone resumed>, parent_tid=[7315], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7315 [pid 7310] <... clone resumed>, parent_tid=[7316], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7316 [pid 7311] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7314 attached [pid 7311] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7314] set_robust_list(0x5555564f35e0, 24 [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7314] <... set_robust_list resumed>) = 0 [pid 7314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7315 attached [pid 7314] setpgid(0, 0 [pid 7315] set_robust_list(0x7fc1280c99e0, 24 [pid 7314] <... setpgid resumed>) = 0 [pid 7315] <... set_robust_list resumed>) = 0 [pid 7314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7315] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7314] <... openat resumed>) = 3 [pid 7315] <... socket resumed>) = 3 [pid 7314] write(3, "1000", 4 [pid 7315] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... write resumed>) = 4 [pid 7315] <... futex resumed>) = 1 [pid 7314] close(3 [pid 7311] <... futex resumed>) = 0 [pid 7315] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... close resumed>) = 0 [pid 7311] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] <... futex resumed>) = 0 [pid 7315] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7314] <... futex resumed>) = 0 [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7312 attached [pid 7315] <... setsockopt resumed>) = 0 [pid 7314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7300] +++ exited with 0 +++ [pid 7295] +++ exited with 0 +++ ./strace-static-x86_64: Process 7313 attached [pid 7315] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... mmap resumed>) = 0x7fc1280a9000 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7295, si_uid=0, si_status=0, si_utime=0, si_stime=32} --- ./strace-static-x86_64: Process 7316 attached [pid 7315] <... futex resumed>) = 1 [pid 7314] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7312] set_robust_list(0x5555564f35e0, 24 [pid 7311] <... futex resumed>) = 0 [pid 7316] set_robust_list(0x7fc1280c99e0, 24 [pid 7315] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... mprotect resumed>) = 0 [pid 7313] set_robust_list(0x5555564f35e0, 24 [pid 7311] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... set_robust_list resumed>) = 0 [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7312] <... set_robust_list resumed>) = 0 [pid 7313] <... set_robust_list resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7315] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7316] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7315] <... setsockopt resumed>) = 0 [pid 7314] <... clone resumed>, parent_tid=[7317], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7317 [pid 7312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7315] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = 1 [pid 7314] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7316] <... socket resumed>) = 3 [pid 7315] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7312] <... prctl resumed>) = 0 [pid 7311] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7318 [pid 7316] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] setpgid(0, 0 [pid 7311] <... futex resumed>) = 0 [pid 7316] <... futex resumed>) = 1 [pid 7315] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7313] <... prctl resumed>) = 0 [pid 7312] <... setpgid resumed>) = 0 [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] <... futex resumed>) = 0 [pid 7315] <... setsockopt resumed>) = 0 [pid 7310] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7310] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7318 attached ./strace-static-x86_64: Process 7317 attached [pid 7316] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7315] <... futex resumed>) = 1 [pid 7313] setpgid(0, 0 [pid 7311] <... futex resumed>) = 0 [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] set_robust_list(0x7fc1280c99e0, 24 [pid 7315] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7312] <... openat resumed>) = 3 [pid 7311] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... setsockopt resumed>) = 0 [pid 7313] <... setpgid resumed>) = 0 [pid 7317] <... set_robust_list resumed>) = 0 [pid 7316] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] write(3, "1000", 4 [pid 7311] <... futex resumed>) = 0 [pid 7318] set_robust_list(0x5555564f35e0, 24 [pid 7317] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7316] <... futex resumed>) = 1 [pid 7315] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] <... futex resumed>) = 0 [pid 7312] <... write resumed>) = 4 [pid 7318] <... set_robust_list resumed>) = 0 [pid 7317] <... socket resumed>) = 3 [pid 7316] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7313] <... openat resumed>) = 3 [ 277.001973][ T7300] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 277.009943][ T7300] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 277.018001][ T7300] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 277.025985][ T7300] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 277.033974][ T7300] [pid 7312] close(3 [pid 7310] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7317] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... sendto resumed>) = 1 [pid 7313] write(3, "1000", 4 [pid 7312] <... close resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7318] <... prctl resumed>) = 0 [pid 7317] <... futex resumed>) = 1 [pid 7316] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7315] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 0 [pid 7313] <... write resumed>) = 4 [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] setpgid(0, 0 [pid 7317] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7315] <... futex resumed>) = 1 [pid 7314] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] close(3 [pid 7312] <... futex resumed>) = 0 [pid 7311] <... futex resumed>) = 0 [pid 7318] <... setpgid resumed>) = 0 [pid 7317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... futex resumed>) = 0 [pid 7313] <... close resumed>) = 0 [pid 7311] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7317] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7316] <... futex resumed>) = 1 [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... mmap resumed>) = 0x7fc1280a9000 [pid 7311] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7318] <... openat resumed>) = 3 [pid 7317] <... setsockopt resumed>) = 0 [pid 7316] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7313] <... futex resumed>) = 0 [pid 7312] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] write(3, "1000", 4 [pid 7317] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... sendto resumed>) = 1 [pid 7313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7312] <... mprotect resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7318] <... write resumed>) = 4 [pid 7317] <... futex resumed>) = 1 [pid 7316] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7315] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 0 [pid 7313] <... mmap resumed>) = 0x7fc1280a9000 [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] close(3 [pid 7317] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] <... setsockopt resumed>) = 0 [pid 7315] <... futex resumed>) = 1 [pid 7314] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7312] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7311] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7319 attached [pid 7318] <... close resumed>) = 0 [pid 7317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... futex resumed>) = 0 [pid 7313] <... mprotect resumed>) = 0 [pid 7311] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] set_robust_list(0x7fc1280c99e0, 24 [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7316] <... futex resumed>) = 1 [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7312] <... clone resumed>, parent_tid=[7319], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7319 [pid 7311] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7320 attached [pid 7319] <... set_robust_list resumed>) = 0 [pid 7318] <... futex resumed>) = 0 [pid 7317] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7316] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7312] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] set_robust_list(0x7fc1280c99e0, 24 [pid 7319] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7317] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... openat resumed>) = 4 [pid 7313] <... clone resumed>, parent_tid=[7320], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7320 [pid 7312] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7320] <... set_robust_list resumed>) = 0 [pid 7319] <... socket resumed>) = 3 [pid 7318] <... mmap resumed>) = 0x7fc1280a9000 [pid 7317] <... futex resumed>) = 1 [pid 7316] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7315] write(4, "5", 1 [pid 7314] <... futex resumed>) = 0 [pid 7313] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7320] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7319] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7317] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] <... write resumed>) = 1 [pid 7314] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = 0 [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] <... sendto resumed>) = 1 [pid 7320] <... socket resumed>) = 3 [pid 7319] <... futex resumed>) = 0 [pid 7318] <... mprotect resumed>) = 0 [pid 7317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7314] <... futex resumed>) = 0 [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7318] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7317] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7316] <... futex resumed>) = 1 [pid 7315] <... setsockopt resumed>) = 0 [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7321 attached [pid 7320] <... futex resumed>) = 0 [pid 7319] <... setsockopt resumed>) = 0 [pid 7317] <... setsockopt resumed>) = 0 [pid 7316] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] set_robust_list(0x7fc1280c99e0, 24 [pid 7320] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7319] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... clone resumed>, parent_tid=[7321], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7321 [pid 7317] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7311] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 0 [pid 7320] <... setsockopt resumed>) = 0 [pid 7319] <... futex resumed>) = 0 [pid 7318] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] <... futex resumed>) = 1 [pid 7316] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7315] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] <... futex resumed>) = 0 [pid 7321] <... set_robust_list resumed>) = 0 [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7311] exit_group(0 [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7320] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7318] <... futex resumed>) = 0 [pid 7317] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7315] <... futex resumed>) = ? [pid 7314] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] <... futex resumed>) = 0 [pid 7311] <... exit_group resumed>) = ? [pid 7321] <... socket resumed>) = 3 [pid 7320] <... futex resumed>) = 0 [pid 7319] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] +++ exited with 0 +++ [pid 7314] <... futex resumed>) = 0 [pid 7313] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7320] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7316] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = 0 [pid 7320] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7319] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7316] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] <... futex resumed>) = 0 [pid 7321] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = 1 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] <... futex resumed>) = 0 [pid 7311] +++ exited with 0 +++ [pid 7321] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7318] <... futex resumed>) = 0 [pid 7317] <... sendto resumed>) = 1 [pid 7313] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7319] <... setsockopt resumed>) = 0 [pid 7318] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... futex resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7312] <... futex resumed>) = 0 [pid 7310] <... futex resumed>) = 1 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7311, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... setsockopt resumed>) = 0 [pid 7319] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7317] <... futex resumed>) = 1 [pid 7316] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7314] <... futex resumed>) = 0 [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7310] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 7321] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7320] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = 0 [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] <... openat resumed>) = 4 [pid 7314] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3607] <... restart_syscall resumed>) = 0 [pid 7321] <... setsockopt resumed>) = 0 [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7316] write(4, "5", 1 [pid 7314] <... futex resumed>) = 0 [pid 7313] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7317] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7316] <... write resumed>) = 1 [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] <... futex resumed>) = 0 [pid 7312] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 1 [pid 7320] <... sendto resumed>) = 1 [pid 7319] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7318] <... futex resumed>) = 0 [pid 7317] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7316] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7321] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... setsockopt resumed>) = 0 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7318] <... futex resumed>) = 0 [pid 7316] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7319] <... sendto resumed>) = 1 [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] <... futex resumed>) = 1 [pid 7314] <... futex resumed>) = 0 [pid 7313] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7322 attached [pid 7321] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7320] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7319] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7314] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7322 [pid 7321] <... setsockopt resumed>) = 0 [pid 7320] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = 1 [pid 7317] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] <... futex resumed>) = 0 [pid 7313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] <... futex resumed>) = 0 [pid 7322] set_robust_list(0x5555564f35e0, 24 [pid 7321] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] <... futex resumed>) = 0 [pid 7319] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7317] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7314] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = 1 [pid 7320] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] <... futex resumed>) = 0 [pid 7313] <... futex resumed>) = 0 [pid 7312] <... futex resumed>) = 0 [pid 7322] <... set_robust_list resumed>) = 0 [pid 7321] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] <... openat resumed>) = 4 [pid 7319] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7318] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7317] <... openat resumed>) = 4 [pid 7313] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] write(4, "5", 1 [pid 7319] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7318] <... futex resumed>) = 0 [pid 7317] write(4, "5", 1 [pid 7322] <... prctl resumed>) = 0 [pid 7321] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7320] <... write resumed>) = 1 [pid 7319] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7317] <... write resumed>) = 1 [pid 7322] setpgid(0, 0 [pid 7321] <... setsockopt resumed>) = 0 [pid 7320] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7319] <... futex resumed>) = 1 [pid 7317] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7312] <... futex resumed>) = 0 [pid 7322] <... setpgid resumed>) = 0 [pid 7321] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] <... setsockopt resumed>) = 0 [pid 7319] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7317] <... setsockopt resumed>) = 0 [pid 7322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7321] <... futex resumed>) = 1 [pid 7317] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] <... openat resumed>) = 3 [ 277.146447][ T7316] FAULT_INJECTION: forcing a failure. [ 277.146447][ T7316] name fail_futex, interval 1, probability 0, space 0, times 0 [ 277.172539][ T7316] CPU: 0 PID: 7316 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 277.178093][ T7317] FAULT_INJECTION: forcing a failure. [ 277.178093][ T7317] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7321] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7310] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7322] write(3, "1000", 4 [pid 7310] exit_group(0 [pid 7322] <... write resumed>) = 4 [pid 7310] <... exit_group resumed>) = ? [pid 7322] close(3) = 0 [pid 7322] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7322] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7322] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7323], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7323 [pid 7318] <... futex resumed>) = 0 [ 277.183094][ T7316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 277.183112][ T7316] Call Trace: [ 277.183120][ T7316] [ 277.183129][ T7316] dump_stack_lvl+0xcd/0x134 [ 277.183163][ T7316] should_fail.cold+0x5/0xa [ 277.183191][ T7316] get_futex_key+0x5b2/0x1c50 [ 277.183215][ T7316] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 277.183244][ T7316] ? futex_setup_timer+0xf0/0xf0 [ 277.222076][ T7319] FAULT_INJECTION: forcing a failure. [ 277.222076][ T7319] name fail_futex, interval 1, probability 0, space 0, times 0 [ 277.226239][ T7316] futex_wake+0xe4/0x490 [ 277.226273][ T7316] ? futex_wake_mark+0x1a0/0x1a0 [ 277.259294][ T7316] ? ptrace_stop.part.0+0x5ec/0xa80 [ 277.264524][ T7316] ? do_raw_spin_lock+0x120/0x2a0 [ 277.269564][ T7316] ? rwlock_bug.part.0+0x90/0x90 [ 277.274506][ T7316] ? _raw_spin_lock_irq+0x41/0x50 [ 277.279548][ T7316] do_futex+0x266/0x300 [ 277.283740][ T7316] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 277.289652][ T7316] ? find_held_lock+0x2d/0x110 [ 277.294441][ T7316] __x64_sys_futex+0x1b0/0x4a0 [ 277.299225][ T7316] ? do_futex+0x300/0x300 [ 277.303575][ T7316] ? _raw_spin_unlock_irq+0x1f/0x40 [ 277.308881][ T7316] ? lockdep_hardirqs_on+0x79/0x100 [ 277.314108][ T7316] ? _raw_spin_unlock_irq+0x2a/0x40 [ 277.319331][ T7316] ? ptrace_notify+0xfa/0x140 [ 277.324040][ T7316] do_syscall_64+0x35/0xb0 [ 277.328478][ T7316] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 277.334401][ T7316] RIP: 0033:0x7fc128117db9 [ 277.338835][ T7316] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 277.358465][ T7316] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 277.366898][ T7316] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 277.374895][ T7316] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 277.382875][ T7316] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7312] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = 0 [pid 7318] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7321] <... futex resumed>) = 0 [pid 7319] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7318] <... futex resumed>) = 1 [pid 7312] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7322] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7319] <... openat resumed>) = 4 [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... sendto resumed>) = 1 [pid 7319] write(4, "5", 1 [pid 7314] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7321] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... write resumed>) = 1 [pid 7314] exit_group(0 [pid 7321] <... futex resumed>) = 1 [pid 7319] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7318] <... futex resumed>) = 0 [pid 7314] <... exit_group resumed>) = ? [pid 7321] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7319] <... setsockopt resumed>) = 0 [pid 7318] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7319] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... futex resumed>) = 0 [pid 7321] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... sendto resumed>) = 1 [pid 7321] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7321] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] <... futex resumed>) = 0 [pid 7321] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7318] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7321] <... openat resumed>) = 4 [pid 7321] write(4, "5", 1) = 1 [pid 7321] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7312] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7322] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7321] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] exit_group(0 [pid 7322] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7321] <... futex resumed>) = 1 [pid 7318] <... futex resumed>) = 0 [pid 7312] <... exit_group resumed>) = ? [pid 7322] <... futex resumed>) = 0 [pid 7321] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] exit_group(0 [pid 7322] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7321] <... futex resumed>) = ? [pid 7320] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... exit_group resumed>) = ? [pid 7313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7322] <... mmap resumed>) = 0x7fc128088000 [pid 7321] +++ exited with 0 +++ [pid 7318] +++ exited with 0 +++ [pid 7322] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7318, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7322] <... mprotect resumed>) = 0 [pid 7322] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7322] <... clone resumed>, parent_tid=[7324], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7324 [pid 7322] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7325 [pid 7322] <... futex resumed>) = 0 [pid 7322] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7313] exit_group(0./strace-static-x86_64: Process 7325 attached ) = ? ./strace-static-x86_64: Process 7324 attached [pid 7325] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7324] set_robust_list(0x7fc1280a89e0, 24 [pid 7325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7324] <... set_robust_list resumed>) = 0 [pid 7325] <... prctl resumed>) = 0 [pid 7324] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7325] setpgid(0, 0 [pid 7324] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... setpgid resumed>) = 0 [pid 7324] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7324] <... futex resumed>) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7325] <... openat resumed>) = 3 [pid 7324] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] write(3, "1000", 4 [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7322] <... futex resumed>) = 0 [pid 7325] <... write resumed>) = 4 [pid 7324] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7322] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] close(3 [pid 7324] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... close resumed>) = 0 [pid 7324] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... futex resumed>) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7325] <... futex resumed>) = 0 [pid 7324] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [ 277.390866][ T7316] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 277.398855][ T7316] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 277.406889][ T7316] [ 277.413337][ T7320] FAULT_INJECTION: forcing a failure. [ 277.413337][ T7320] name fail_futex, interval 1, probability 0, space 0, times 0 [ 277.429930][ T7319] CPU: 0 PID: 7319 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7322] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7322] <... futex resumed>) = 0 [pid 7325] <... mmap resumed>) = 0x7fc1280a9000 [pid 7324] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7322] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7324] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... mprotect resumed>) = 0 [pid 7324] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7324] <... futex resumed>) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7324] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... clone resumed>, parent_tid=[7326], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7326 [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7322] <... futex resumed>) = 0 [pid 7325] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7322] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] <... futex resumed>) = 0 [pid 7324] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [ 277.440485][ T7319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 277.450567][ T7319] Call Trace: [ 277.453872][ T7319] [ 277.456825][ T7319] dump_stack_lvl+0xcd/0x134 [ 277.461450][ T7319] should_fail.cold+0x5/0xa [ 277.465988][ T7319] get_futex_key+0x5b2/0x1c50 [ 277.470696][ T7319] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 277.476713][ T7319] ? futex_setup_timer+0xf0/0xf0 [ 277.481695][ T7319] futex_wake+0xe4/0x490 [ 277.485972][ T7319] ? futex_wake_mark+0x1a0/0x1a0 [ 277.490938][ T7319] ? ptrace_stop.part.0+0x5ec/0xa80 [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7326 attached ) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7326] set_robust_list(0x7fc1280c99e0, 24 [pid 7324] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... set_robust_list resumed>) = 0 [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7322] <... futex resumed>) = 0 [pid 7326] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7324] sendto(-1, "\x01", 1, 0, NULL, 0 [ 277.496172][ T7319] ? do_raw_spin_lock+0x120/0x2a0 [ 277.501224][ T7319] ? rwlock_bug.part.0+0x90/0x90 [ 277.506187][ T7319] ? _raw_spin_lock_irq+0x41/0x50 [ 277.511333][ T7319] do_futex+0x266/0x300 [ 277.515529][ T7319] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 277.521454][ T7319] ? find_held_lock+0x2d/0x110 [ 277.526262][ T7319] __x64_sys_futex+0x1b0/0x4a0 [ 277.531066][ T7319] ? do_futex+0x300/0x300 [ 277.535430][ T7319] ? _raw_spin_unlock_irq+0x1f/0x40 [ 277.540667][ T7319] ? lockdep_hardirqs_on+0x79/0x100 [ 277.545899][ T7319] ? _raw_spin_unlock_irq+0x2a/0x40 [ 277.551137][ T7319] ? ptrace_notify+0xfa/0x140 [ 277.555847][ T7319] do_syscall_64+0x35/0xb0 [ 277.560303][ T7319] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 277.566228][ T7319] RIP: 0033:0x7fc128117db9 [ 277.570702][ T7319] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7322] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... socket resumed>) = 3 [pid 7324] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7324] <... futex resumed>) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7326] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7322] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 [pid 7324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7322] <... futex resumed>) = 0 [pid 7326] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7322] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... setsockopt resumed>) = 0 [pid 7324] <... openat resumed>) = 3 [pid 7326] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] write(3, "5", 1 [pid 7326] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7324] <... write resumed>) = 1 [pid 7326] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 [pid 7324] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7326] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... setsockopt resumed>) = 0 [pid 7324] <... futex resumed>) = 1 [pid 7322] <... futex resumed>) = 0 [pid 7326] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7326] <... futex resumed>) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7326] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 [pid 7326] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... setsockopt resumed>) = 0 [pid 7326] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7326] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 [pid 7326] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... sendto resumed>) = 1 [pid 7326] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7326] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 [pid 7326] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... sendto resumed>) = 1 [pid 7326] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7326] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] <... futex resumed>) = 0 [pid 7326] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7325] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7326] <... openat resumed>) = 4 [pid 7326] write(4, "5", 1) = 1 [pid 7326] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7326] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7325] <... futex resumed>) = 0 [pid 7326] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] exit_group(0 [pid 7326] <... futex resumed>) = ? [pid 7325] <... exit_group resumed>) = ? [pid 7326] +++ exited with 0 +++ [pid 7325] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7325, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7327 ./strace-static-x86_64: Process 7327 attached [pid 7327] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7327] setpgid(0, 0) = 0 [pid 7327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7327] write(3, "1000", 4) = 4 [pid 7327] close(3) = 0 [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7327] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7327] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7328], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7328 [pid 7327] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7328 attached [pid 7328] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7328] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7328] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7328] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7327] <... futex resumed>) = 0 [pid 7328] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... setsockopt resumed>) = 0 [pid 7328] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7328] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7327] <... futex resumed>) = 0 [pid 7328] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... setsockopt resumed>) = 0 [pid 7328] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7328] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7327] <... futex resumed>) = 0 [pid 7328] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... setsockopt resumed>) = 0 [pid 7328] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7328] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7327] <... futex resumed>) = 0 [pid 7328] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... sendto resumed>) = 1 [pid 7328] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7328] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7327] <... futex resumed>) = 0 [pid 7328] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... sendto resumed>) = 1 [pid 7328] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7328] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7327] <... futex resumed>) = 0 [pid 7328] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7327] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... openat resumed>) = 4 [pid 7328] write(4, "5", 1) = 1 [pid 7328] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7328] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7327] <... futex resumed>) = 0 [pid 7328] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7327] exit_group(0 [pid 7328] <... futex resumed>) = ? [pid 7327] <... exit_group resumed>) = ? [pid 7328] +++ exited with 0 +++ [pid 7327] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7327, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7329 ./strace-static-x86_64: Process 7329 attached [pid 7329] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7329] setpgid(0, 0) = 0 [pid 7329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7329] write(3, "1000", 4) = 4 [pid 7329] close(3) = 0 [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7329] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7329] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7330], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7330 [pid 7329] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7330 attached [pid 7330] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7330] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7330] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] <... futex resumed>) = 0 [pid 7330] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] <... futex resumed>) = 0 [pid 7330] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... setsockopt resumed>) = 0 [pid 7330] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] <... futex resumed>) = 0 [pid 7330] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] <... futex resumed>) = 0 [pid 7330] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... setsockopt resumed>) = 0 [pid 7330] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] <... futex resumed>) = 0 [pid 7330] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] <... futex resumed>) = 0 [pid 7330] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 7323 attached [ 277.590427][ T7319] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 277.598880][ T7319] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 277.606888][ T7319] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 277.614899][ T7319] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 277.622901][ T7319] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 277.630901][ T7319] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 277.638919][ T7319] [pid 7330] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] <... futex resumed>) = 0 [pid 7330] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] <... futex resumed>) = 0 [pid 7330] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... sendto resumed>) = 1 [pid 7330] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] <... futex resumed>) = 0 [pid 7330] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] <... futex resumed>) = 0 [pid 7330] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... sendto resumed>) = 1 [pid 7330] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] <... futex resumed>) = 0 [pid 7330] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] <... futex resumed>) = 0 [pid 7330] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7329] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... openat resumed>) = 4 [pid 7330] write(4, "5", 1) = 1 [pid 7330] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7330] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7329] <... futex resumed>) = 0 [ 277.659968][ T7317] CPU: 0 PID: 7317 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 277.670523][ T7317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 277.680605][ T7317] Call Trace: [ 277.683908][ T7317] [ 277.686858][ T7317] dump_stack_lvl+0xcd/0x134 [ 277.691484][ T7317] should_fail.cold+0x5/0xa [ 277.696025][ T7317] get_futex_key+0x5b2/0x1c50 [ 277.700733][ T7317] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 277.706775][ T7317] ? futex_setup_timer+0xf0/0xf0 [ 277.711758][ T7317] futex_wake+0xe4/0x490 [ 277.716082][ T7317] ? futex_wake_mark+0x1a0/0x1a0 [ 277.721062][ T7317] ? ptrace_stop.part.0+0x5ec/0xa80 [ 277.726292][ T7317] ? do_raw_spin_lock+0x120/0x2a0 [ 277.731431][ T7317] ? rwlock_bug.part.0+0x90/0x90 [ 277.736411][ T7317] ? _raw_spin_lock_irq+0x41/0x50 [ 277.741473][ T7317] do_futex+0x266/0x300 [ 277.745679][ T7317] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 277.751597][ T7317] ? find_held_lock+0x2d/0x110 [ 277.756405][ T7317] __x64_sys_futex+0x1b0/0x4a0 [ 277.761201][ T7317] ? do_futex+0x300/0x300 [ 277.765582][ T7317] ? _raw_spin_unlock_irq+0x1f/0x40 [ 277.770816][ T7317] ? lockdep_hardirqs_on+0x79/0x100 [ 277.776057][ T7317] ? _raw_spin_unlock_irq+0x2a/0x40 [ 277.781320][ T7317] ? ptrace_notify+0xfa/0x140 [ 277.786030][ T7317] do_syscall_64+0x35/0xb0 [ 277.790558][ T7317] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 277.796475][ T7317] RIP: 0033:0x7fc128117db9 [ 277.800908][ T7317] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 277.820520][ T7317] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 277.828937][ T7317] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 277.836907][ T7317] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 277.844876][ T7317] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 277.852845][ T7317] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7330] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7329] exit_group(0 [pid 7330] <... futex resumed>) = ? [pid 7329] <... exit_group resumed>) = ? [pid 7330] +++ exited with 0 +++ [pid 7329] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7329, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7331 ./strace-static-x86_64: Process 7331 attached [pid 7331] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7331] setpgid(0, 0) = 0 [pid 7331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7331] write(3, "1000", 4) = 4 [pid 7331] close(3) = 0 [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7331] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7331] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7332], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7332 [pid 7331] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7332 attached [pid 7332] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7332] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7332] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7332] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7332] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... setsockopt resumed>) = 0 [pid 7332] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7332] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7332] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... setsockopt resumed>) = 0 [pid 7332] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7332] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7332] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... setsockopt resumed>) = 0 [pid 7332] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7332] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7332] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... sendto resumed>) = 1 [pid 7332] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7332] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7332] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... sendto resumed>) = 1 [pid 7332] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7332] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7332] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7331] <... futex resumed>) = 0 [pid 7332] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7331] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7332] <... openat resumed>) = 4 [pid 7332] write(4, "5", 1) = 1 [pid 7332] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7332] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7331] <... futex resumed>) = 0 [pid 7332] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] exit_group(0 [pid 7332] <... futex resumed>) = ? [pid 7331] <... exit_group resumed>) = ? [pid 7332] +++ exited with 0 +++ [pid 7331] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7331, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7333 ./strace-static-x86_64: Process 7333 attached [pid 7333] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7333] setpgid(0, 0) = 0 [pid 7323] set_robust_list(0x7fc1280c99e0, 24 [pid 7333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7333] write(3, "1000", 4) = 4 [pid 7333] close(3) = 0 [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7333] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7333] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7333] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7322] exit_group(0 [pid 7324] <... futex resumed>) = ? [ 277.860816][ T7317] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 277.868801][ T7317] [ 277.877974][ T7320] CPU: 0 PID: 7320 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 277.888527][ T7320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 277.891499][ T7324] FAULT_INJECTION: forcing a failure. [pid 7322] <... exit_group resumed>) = ? [pid 7333] <... clone resumed>, parent_tid=[7334], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7334 [pid 7333] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7334 attached [pid 7334] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7334] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7334] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] <... futex resumed>) = 0 [pid 7334] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7333] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7333] <... futex resumed>) = 0 [pid 7334] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... setsockopt resumed>) = 0 [pid 7334] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] <... futex resumed>) = 0 [pid 7334] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7333] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7333] <... futex resumed>) = 0 [pid 7334] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... setsockopt resumed>) = 0 [pid 7334] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] <... futex resumed>) = 0 [pid 7334] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 277.891499][ T7324] name fail_futex, interval 1, probability 0, space 0, times 0 [ 277.898580][ T7320] Call Trace: [ 277.898590][ T7320] [ 277.898599][ T7320] dump_stack_lvl+0xcd/0x134 [ 277.898631][ T7320] should_fail.cold+0x5/0xa [ 277.898659][ T7320] get_futex_key+0x5b2/0x1c50 [ 277.931475][ T7320] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 277.937493][ T7320] ? futex_setup_timer+0xf0/0xf0 [ 277.942470][ T7320] futex_wake+0xe4/0x490 [ 277.946752][ T7320] ? futex_wake_mark+0x1a0/0x1a0 [ 277.951718][ T7320] ? ptrace_stop.part.0+0x5ec/0xa80 [ 277.956941][ T7320] ? do_raw_spin_lock+0x120/0x2a0 [ 277.961980][ T7320] ? rwlock_bug.part.0+0x90/0x90 [ 277.966931][ T7320] ? _raw_spin_lock_irq+0x41/0x50 [ 277.971990][ T7320] do_futex+0x266/0x300 [ 277.976171][ T7320] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 277.982094][ T7320] ? find_held_lock+0x2d/0x110 [ 277.986897][ T7320] __x64_sys_futex+0x1b0/0x4a0 [ 277.991686][ T7320] ? do_futex+0x300/0x300 [ 277.996029][ T7320] ? _raw_spin_unlock_irq+0x1f/0x40 [ 278.001245][ T7320] ? lockdep_hardirqs_on+0x79/0x100 [ 278.006462][ T7320] ? _raw_spin_unlock_irq+0x2a/0x40 [ 278.011688][ T7320] ? ptrace_notify+0xfa/0x140 [ 278.016397][ T7320] do_syscall_64+0x35/0xb0 [ 278.020843][ T7320] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 278.026774][ T7320] RIP: 0033:0x7fc128117db9 [ 278.031210][ T7320] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 278.050840][ T7320] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7333] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7333] <... futex resumed>) = 0 [pid 7334] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... setsockopt resumed>) = 0 [pid 7334] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] <... futex resumed>) = 0 [pid 7334] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7333] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7333] <... futex resumed>) = 0 [pid 7334] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... sendto resumed>) = 1 [pid 7334] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] <... futex resumed>) = 0 [pid 7334] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7333] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7333] <... futex resumed>) = 0 [pid 7334] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... sendto resumed>) = 1 [pid 7334] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] <... futex resumed>) = 0 [pid 7334] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7333] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7333] <... futex resumed>) = 0 [pid 7334] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7333] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7334] <... openat resumed>) = 4 [pid 7334] write(4, "5", 1) = 1 [pid 7334] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7334] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7333] <... futex resumed>) = 0 [pid 7334] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7333] exit_group(0 [pid 7334] <... futex resumed>) = ? [pid 7333] <... exit_group resumed>) = ? [pid 7334] +++ exited with 0 +++ [pid 7333] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7333, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7335 ./strace-static-x86_64: Process 7335 attached [pid 7335] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7335] setpgid(0, 0) = 0 [pid 7335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7335] write(3, "1000", 4) = 4 [pid 7335] close(3) = 0 [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7335] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7335] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7336], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7336 [pid 7335] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7336 attached [pid 7336] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7336] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7336] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7336] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7336] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... setsockopt resumed>) = 0 [pid 7336] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7336] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7336] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... setsockopt resumed>) = 0 [pid 7336] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7336] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7336] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... setsockopt resumed>) = 0 [pid 7336] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7336] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7336] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... sendto resumed>) = 1 [pid 7336] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7336] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7336] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... sendto resumed>) = 1 [pid 7336] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7336] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7335] <... futex resumed>) = 0 [pid 7336] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7335] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... openat resumed>) = 4 [pid 7336] write(4, "5", 1) = 1 [pid 7336] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7336] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7335] <... futex resumed>) = 0 [pid 7336] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7335] exit_group(0 [pid 7336] <... futex resumed>) = ? [pid 7335] <... exit_group resumed>) = ? [pid 7336] +++ exited with 0 +++ [pid 7335] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7337 ./strace-static-x86_64: Process 7337 attached [pid 7337] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7323] <... set_robust_list resumed>) = ? [pid 7337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7337] setpgid(0, 0) = 0 [pid 7323] +++ exited with 0 +++ [pid 7337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7337] write(3, "1000", 4) = 4 [pid 7337] close(3) = 0 [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7337] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [ 278.059280][ T7320] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 278.067282][ T7320] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 278.075284][ T7320] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 278.083281][ T7320] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 278.091298][ T7320] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 278.099312][ T7320] [ 278.121127][ T7324] CPU: 1 PID: 7324 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 278.132039][ T7324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 278.142108][ T7324] Call Trace: [ 278.145396][ T7324] [ 278.148341][ T7324] dump_stack_lvl+0xcd/0x134 [ 278.152958][ T7324] should_fail.cold+0x5/0xa [ 278.157483][ T7324] get_futex_key+0x282/0x1c50 [ 278.162177][ T7324] ? __lock_acquire+0x163e/0x5660 [ 278.167222][ T7324] ? futex_setup_timer+0xf0/0xf0 [ 278.172277][ T7324] futex_wake+0xe4/0x490 [ 278.176558][ T7324] ? futex_wake_mark+0x1a0/0x1a0 [ 278.181547][ T7324] ? find_held_lock+0x2d/0x110 [ 278.186351][ T7324] do_futex+0x266/0x300 [ 278.190625][ T7324] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 278.196556][ T7324] mm_release+0x235/0x2c0 [ 278.200918][ T7324] do_exit+0x8a0/0x29d0 [ 278.205099][ T7324] ? find_held_lock+0x2d/0x110 [ 278.209899][ T7324] ? mm_update_next_owner+0x7a0/0x7a0 [ 278.215300][ T7324] ? lock_downgrade+0x6e0/0x6e0 [ 278.220180][ T7324] do_group_exit+0xd2/0x2f0 [ 278.224712][ T7324] get_signal+0x2542/0x2600 [ 278.229276][ T7324] ? exit_signals+0x8b0/0x8b0 [ 278.233967][ T7324] ? userns_owner+0x40/0x40 [ 278.238494][ T7324] ? __task_pid_nr_ns+0x168/0x4b0 [ 278.243542][ T7324] ? lock_downgrade+0x6e0/0x6e0 [ 278.248600][ T7324] arch_do_signal_or_restart+0x82/0x2300 [ 278.254253][ T7324] ? from_kuid_munged+0xa2/0x130 [ 278.259223][ T7324] ? find_held_lock+0x2d/0x110 [ 278.264008][ T7324] ? get_sigframe_size+0x10/0x10 [ 278.268971][ T7324] ? ptrace_notify+0xfa/0x140 [ 278.273663][ T7324] ? lock_downgrade+0x6e0/0x6e0 [ 278.278535][ T7324] ? send_sig+0xfe/0x160 [ 278.282792][ T7324] ? send_sig_info+0x140/0x140 [ 278.287572][ T7324] ? exit_to_user_mode_prepare+0x137/0x250 [ 278.293416][ T7324] exit_to_user_mode_prepare+0x15f/0x250 [ 278.299067][ T7324] syscall_exit_to_user_mode+0x19/0x50 [ 278.304562][ T7324] do_syscall_64+0x42/0xb0 [ 278.309011][ T7324] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 278.314950][ T7324] RIP: 0033:0x7fc128117db9 [ 278.319396][ T7324] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 278.339123][ T7324] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 278.347570][ T7324] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 278.355568][ T7324] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 278.363585][ T7324] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7337] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7320] <... futex resumed>) = ? [pid 7319] <... futex resumed>) = ? [pid 7317] <... futex resumed>) = ? [pid 7316] <... futex resumed>) = ? [pid 7337] <... clone resumed>, parent_tid=[7338], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7338 [pid 7337] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] +++ exited with 0 +++ [pid 7319] +++ exited with 0 +++ [pid 7313] +++ exited with 0 +++ [pid 7312] +++ exited with 0 +++ ./strace-static-x86_64: Process 7338 attached [pid 7337] <... futex resumed>) = 0 [pid 7317] +++ exited with 0 +++ [pid 7314] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7313, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7338] set_robust_list(0x7fc1280c99e0, 24 [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7316] +++ exited with 0 +++ [pid 7310] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7312, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7314, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7338] <... set_robust_list resumed>) = 0 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7310, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7338] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 3615] <... restart_syscall resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7338] <... socket resumed>) = 3 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7338] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7339 ./strace-static-x86_64: Process 7340 attached ./strace-static-x86_64: Process 7339 attached [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7340 [pid 7340] set_robust_list(0x5555564f35e0, 24 [pid 7339] set_robust_list(0x5555564f35e0, 24 [pid 7338] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7341 attached [pid 7340] <... set_robust_list resumed>) = 0 [pid 7339] <... set_robust_list resumed>) = 0 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7341 [pid 7340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7338] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7342 [pid 7341] set_robust_list(0x5555564f35e0, 24 [pid 7340] <... prctl resumed>) = 0 [pid 7339] <... prctl resumed>) = 0 [pid 7338] <... setsockopt resumed>) = 0 ./strace-static-x86_64: Process 7342 attached [pid 7341] <... set_robust_list resumed>) = 0 [pid 7340] setpgid(0, 0 [pid 7339] setpgid(0, 0 [pid 7338] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] set_robust_list(0x5555564f35e0, 24 [pid 7341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7340] <... setpgid resumed>) = 0 [pid 7339] <... setpgid resumed>) = 0 [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [ 278.371674][ T7324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 278.379661][ T7324] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 278.387670][ T7324] [pid 7342] <... set_robust_list resumed>) = 0 [pid 7341] <... prctl resumed>) = 0 [pid 7340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7338] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7341] setpgid(0, 0 [pid 7340] <... openat resumed>) = 3 [pid 7339] <... openat resumed>) = 3 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7342] <... prctl resumed>) = 0 [pid 7341] <... setpgid resumed>) = 0 [pid 7340] write(3, "1000", 4 [pid 7339] write(3, "1000", 4 [pid 7338] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] setpgid(0, 0 [pid 7341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7340] <... write resumed>) = 4 [pid 7339] <... write resumed>) = 4 [pid 7338] <... setsockopt resumed>) = 0 [pid 7342] <... setpgid resumed>) = 0 [pid 7341] <... openat resumed>) = 3 [pid 7340] close(3 [pid 7339] close(3 [pid 7338] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7341] write(3, "1000", 4 [pid 7340] <... close resumed>) = 0 [pid 7339] <... close resumed>) = 0 [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7342] <... openat resumed>) = 3 [pid 7341] <... write resumed>) = 4 [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] write(3, "1000", 4 [pid 7341] close(3 [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 0 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7342] <... write resumed>) = 4 [pid 7341] <... close resumed>) = 0 [pid 7340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7338] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] close(3 [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... mmap resumed>) = 0x7fc1280a9000 [pid 7339] <... mmap resumed>) = 0x7fc1280a9000 [pid 7338] <... setsockopt resumed>) = 0 [pid 7342] <... close resumed>) = 0 [pid 7341] <... futex resumed>) = 0 [pid 7340] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7339] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7338] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7340] <... mprotect resumed>) = 0 [pid 7339] <... mprotect resumed>) = 0 [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... mmap resumed>) = 0x7fc1280a9000 [pid 7340] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7339] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7338] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7341] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7342] <... mmap resumed>) = 0x7fc1280a9000 [pid 7341] <... mprotect resumed>) = 0 [pid 7340] <... clone resumed>, parent_tid=[7343], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7343 [pid 7339] <... clone resumed>, parent_tid=[7344], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7344 [pid 7338] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7341] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7340] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] <... sendto resumed>) = 1 ./strace-static-x86_64: Process 7345 attached ./strace-static-x86_64: Process 7343 attached [pid 7342] <... mprotect resumed>) = 0 [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 0 [pid 7338] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7344 attached [pid 7345] set_robust_list(0x7fc1280c99e0, 24 [pid 7343] set_robust_list(0x7fc1280c99e0, 24 [pid 7342] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7341] <... clone resumed>, parent_tid=[7345], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7345 [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7345] <... set_robust_list resumed>) = 0 [pid 7344] set_robust_list(0x7fc1280c99e0, 24 [pid 7343] <... set_robust_list resumed>) = 0 [pid 7341] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7346 attached [pid 7345] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7344] <... set_robust_list resumed>) = 0 [pid 7343] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7342] <... clone resumed>, parent_tid=[7346], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7346 [pid 7341] <... futex resumed>) = 0 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7346] set_robust_list(0x7fc1280c99e0, 24 [pid 7345] <... socket resumed>) = 3 [pid 7344] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7343] <... socket resumed>) = 3 [pid 7342] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7338] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7346] <... set_robust_list resumed>) = 0 [pid 7345] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... socket resumed>) = 3 [pid 7343] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7338] <... sendto resumed>) = 1 [pid 7346] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7345] <... futex resumed>) = 0 [pid 7344] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... futex resumed>) = 1 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7338] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... socket resumed>) = 3 [pid 7345] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7344] <... futex resumed>) = 1 [pid 7343] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] <... futex resumed>) = 0 [pid 7340] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = 0 [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7346] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... setsockopt resumed>) = 0 [pid 7344] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... futex resumed>) = 0 [pid 7339] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... futex resumed>) = 1 [pid 7345] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 0 [pid 7338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... futex resumed>) = 0 [pid 7346] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... futex resumed>) = 0 [pid 7344] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7343] <... setsockopt resumed>) = 0 [pid 7342] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7338] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7337] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7344] <... setsockopt resumed>) = 0 [pid 7343] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = 0 [pid 7338] <... openat resumed>) = 4 [pid 7346] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7345] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7344] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... futex resumed>) = 1 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... futex resumed>) = 0 [pid 7338] write(4, "5", 1 [pid 7346] <... setsockopt resumed>) = 0 [pid 7345] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = 1 [pid 7343] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = 0 [pid 7338] <... write resumed>) = 1 [pid 7346] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... futex resumed>) = 0 [pid 7344] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7339] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7346] <... futex resumed>) = 1 [pid 7345] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = 0 [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 0 [pid 7338] <... setsockopt resumed>) = 0 [pid 7346] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... setsockopt resumed>) = 0 [pid 7344] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7343] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7342] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7338] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7343] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7338] <... futex resumed>) = 1 [pid 7337] <... futex resumed>) = 0 [pid 7346] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7345] <... futex resumed>) = 0 [pid 7344] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... futex resumed>) = 1 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7338] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] exit_group(0 [pid 7346] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7345] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7344] <... futex resumed>) = 1 [pid 7343] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] <... futex resumed>) = 0 [pid 7340] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = 0 [pid 7338] <... futex resumed>) = ? [pid 7337] <... exit_group resumed>) = ? [pid 7346] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... sendto resumed>) = 1 [pid 7344] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... futex resumed>) = 0 [pid 7339] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7338] +++ exited with 0 +++ [pid 7337] +++ exited with 0 +++ [pid 7346] <... futex resumed>) = 1 [pid 7345] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 0 [pid 7346] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... futex resumed>) = 0 [pid 7344] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7343] <... setsockopt resumed>) = 0 [pid 7342] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7337, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7344] <... setsockopt resumed>) = 0 [pid 7343] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7346] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7345] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7344] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... futex resumed>) = 1 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... futex resumed>) = 0 [pid 7346] <... setsockopt resumed>) = 0 [pid 7345] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = 1 [pid 7343] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7347 ./strace-static-x86_64: Process 7347 attached [pid 7346] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... futex resumed>) = 0 [pid 7344] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7339] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] set_robust_list(0x5555564f35e0, 24 [pid 7346] <... futex resumed>) = 1 [pid 7345] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7342] <... futex resumed>) = 0 [pid 7341] <... futex resumed>) = 0 [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7339] <... futex resumed>) = 0 [pid 7347] <... set_robust_list resumed>) = 0 [pid 7346] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... openat resumed>) = 4 [pid 7344] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7345] write(4, "5", 1 [pid 7344] <... sendto resumed>) = 1 [pid 7343] <... sendto resumed>) = 1 [pid 7342] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] <... prctl resumed>) = 0 [pid 7346] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7345] <... write resumed>) = 1 [pid 7344] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = 0 [pid 7347] setpgid(0, 0 [pid 7346] <... sendto resumed>) = 1 [pid 7345] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7344] <... futex resumed>) = 1 [pid 7343] <... futex resumed>) = 1 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 0 [pid 7347] <... setpgid resumed>) = 0 [pid 7346] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7345] <... setsockopt resumed>) = 0 [pid 7344] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7346] <... futex resumed>) = 0 [pid 7345] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7342] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 0 [pid 7347] <... openat resumed>) = 3 [pid 7346] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7344] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7344] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7344] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7339] <... futex resumed>) = 0 [pid 7344] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7339] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7339] <... futex resumed>) = 0 [pid 7344] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7339] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7344] <... openat resumed>) = 4 [pid 7344] write(4, "5", 1) = 1 [pid 7344] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7344] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7342] <... futex resumed>) = 0 [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] write(3, "1000", 4 [pid 7346] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7343] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [ 278.565908][ T7345] FAULT_INJECTION: forcing a failure. [ 278.565908][ T7345] name fail_futex, interval 1, probability 0, space 0, times 0 [ 278.579865][ T7344] FAULT_INJECTION: forcing a failure. [ 278.579865][ T7344] name fail_futex, interval 1, probability 0, space 0, times 0 [ 278.593953][ T7345] CPU: 0 PID: 7345 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 278.604500][ T7345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7347] <... write resumed>) = 4 [pid 7339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7347] close(3 [pid 7339] exit_group(0 [pid 7347] <... close resumed>) = 0 [pid 7339] <... exit_group resumed>) = ? [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7347] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7347] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7348], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7348 [pid 7347] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7348 attached [pid 7348] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7348] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7348] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7348] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7348] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... setsockopt resumed>) = 0 [pid 7348] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [ 278.614573][ T7345] Call Trace: [ 278.617869][ T7345] [ 278.620814][ T7345] dump_stack_lvl+0xcd/0x134 [ 278.625441][ T7345] should_fail.cold+0x5/0xa [ 278.629964][ T7345] get_futex_key+0x5b2/0x1c50 [ 278.634664][ T7345] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 278.640670][ T7345] ? futex_setup_timer+0xf0/0xf0 [ 278.645668][ T7345] futex_wake+0xe4/0x490 [ 278.649946][ T7345] ? futex_wake_mark+0x1a0/0x1a0 [ 278.654914][ T7345] ? ptrace_stop.part.0+0x5ec/0xa80 [ 278.660147][ T7345] ? do_raw_spin_lock+0x120/0x2a0 [ 278.665199][ T7345] ? rwlock_bug.part.0+0x90/0x90 [ 278.670163][ T7345] ? _raw_spin_lock_irq+0x41/0x50 [ 278.675220][ T7345] do_futex+0x266/0x300 [ 278.680171][ T7345] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 278.686102][ T7345] ? find_held_lock+0x2d/0x110 [ 278.690902][ T7345] __x64_sys_futex+0x1b0/0x4a0 [ 278.695693][ T7345] ? do_futex+0x300/0x300 [ 278.700046][ T7345] ? _raw_spin_unlock_irq+0x1f/0x40 [ 278.705268][ T7345] ? lockdep_hardirqs_on+0x79/0x100 [ 278.710496][ T7345] ? _raw_spin_unlock_irq+0x2a/0x40 [ 278.715730][ T7345] ? ptrace_notify+0xfa/0x140 [ 278.720439][ T7345] do_syscall_64+0x35/0xb0 [ 278.724885][ T7345] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 278.730806][ T7345] RIP: 0033:0x7fc128117db9 [ 278.735240][ T7345] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 278.755046][ T7345] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7348] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7348] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... setsockopt resumed>) = 0 [pid 7348] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7348] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7348] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... setsockopt resumed>) = 0 [pid 7348] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7348] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7348] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... sendto resumed>) = 1 [pid 7348] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7348] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7348] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... sendto resumed>) = 1 [pid 7348] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7348] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7347] <... futex resumed>) = 0 [pid 7348] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7347] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] <... openat resumed>) = 4 [pid 7348] write(4, "5", 1) = 1 [pid 7348] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7348] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7347] <... futex resumed>) = 0 [pid 7348] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7347] exit_group(0 [pid 7348] <... futex resumed>) = ? [pid 7347] <... exit_group resumed>) = ? [pid 7348] +++ exited with 0 +++ [pid 7347] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7347, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7349 ./strace-static-x86_64: Process 7349 attached [pid 7349] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7349] setpgid(0, 0) = 0 [pid 7349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7349] write(3, "1000", 4) = 4 [pid 7349] close(3) = 0 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7349] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7349] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7350], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7350 [pid 7349] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7350 attached [pid 7350] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7350] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7350] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7350] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] <... futex resumed>) = 0 [pid 7350] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... setsockopt resumed>) = 0 [pid 7350] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7350] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] <... futex resumed>) = 0 [pid 7350] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... setsockopt resumed>) = 0 [pid 7350] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7350] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] <... futex resumed>) = 0 [pid 7350] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... setsockopt resumed>) = 0 [pid 7350] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7350] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] <... futex resumed>) = 0 [pid 7350] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... sendto resumed>) = 1 [pid 7350] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7350] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] <... futex resumed>) = 0 [pid 7350] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] <... sendto resumed>) = 1 [pid 7346] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7350] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... futex resumed>) = 0 [pid 7343] <... futex resumed>) = 0 [pid 7342] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] exit_group(0 [pid 7340] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... futex resumed>) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7346] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7343] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7342] <... futex resumed>) = 0 [pid 7341] <... exit_group resumed>) = ? [pid 7340] <... futex resumed>) = 0 [ 278.763491][ T7345] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 278.771592][ T7345] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 278.779588][ T7345] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 278.787575][ T7345] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 278.795572][ T7345] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 278.803601][ T7345] [ 278.820216][ T7344] CPU: 1 PID: 7344 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 278.830779][ T7344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 278.840854][ T7344] Call Trace: [ 278.844154][ T7344] [ 278.847098][ T7344] dump_stack_lvl+0xcd/0x134 [ 278.851722][ T7344] should_fail.cold+0x5/0xa [ 278.856249][ T7344] get_futex_key+0x5b2/0x1c50 [ 278.860943][ T7344] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 278.866947][ T7344] ? futex_setup_timer+0xf0/0xf0 [ 278.871931][ T7344] futex_wake+0xe4/0x490 [ 278.873973][ T7346] FAULT_INJECTION: forcing a failure. [ 278.873973][ T7346] name fail_futex, interval 1, probability 0, space 0, times 0 [ 278.876194][ T7344] ? futex_wake_mark+0x1a0/0x1a0 [ 278.876222][ T7344] ? ptrace_stop.part.0+0x5ec/0xa80 [ 278.876247][ T7344] ? do_raw_spin_lock+0x120/0x2a0 [ 278.876271][ T7344] ? rwlock_bug.part.0+0x90/0x90 [ 278.876292][ T7344] ? _raw_spin_lock_irq+0x41/0x50 [ 278.889226][ T7343] FAULT_INJECTION: forcing a failure. [ 278.889226][ T7343] name fail_futex, interval 1, probability 0, space 0, times 0 [ 278.893978][ T7344] do_futex+0x266/0x300 [ 278.931667][ T7344] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 278.937619][ T7344] ? find_held_lock+0x2d/0x110 [ 278.942409][ T7344] __x64_sys_futex+0x1b0/0x4a0 [ 278.947200][ T7344] ? do_futex+0x300/0x300 [ 278.951533][ T7344] ? _raw_spin_unlock_irq+0x1f/0x40 [ 278.956739][ T7344] ? lockdep_hardirqs_on+0x79/0x100 [ 278.961955][ T7344] ? _raw_spin_unlock_irq+0x2a/0x40 [ 278.967194][ T7344] ? ptrace_notify+0xfa/0x140 [ 278.971970][ T7344] do_syscall_64+0x35/0xb0 [ 278.976390][ T7344] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 278.982290][ T7344] RIP: 0033:0x7fc128117db9 [ 278.986706][ T7344] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 279.006419][ T7344] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7350] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7346] <... openat resumed>) = 4 [pid 7343] <... openat resumed>) = 4 [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7346] write(4, "5", 1 [pid 7345] <... futex resumed>) = ? [pid 7343] write(4, "5", 1 [pid 7342] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] +++ exited with 0 +++ [pid 7322] +++ exited with 0 +++ [pid 7346] <... write resumed>) = 1 [pid 7345] +++ exited with 0 +++ [pid 7343] <... write resumed>) = 1 [pid 7341] +++ exited with 0 +++ [pid 7346] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7343] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7346] <... setsockopt resumed>) = 0 [pid 7343] <... setsockopt resumed>) = 0 [pid 7346] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7342] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7342] exit_group(0 [pid 7340] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7342] <... exit_group resumed>) = ? [pid 7340] exit_group(0) = ? [pid 7350] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7349] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7341, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7322, si_uid=0, si_status=0, si_utime=0, si_stime=34} --- [pid 7350] <... openat resumed>) = 4 [pid 7349] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] write(4, "5", 1) = 1 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7350] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7351 [pid 7350] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7349] <... futex resumed>) = 0 [pid 7350] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7349] exit_group(0 [pid 7350] <... futex resumed>) = ? [ 279.014839][ T7344] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 279.022814][ T7344] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 279.030809][ T7344] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 279.038781][ T7344] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 279.046751][ T7344] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 279.054751][ T7344] [ 279.058656][ T7346] CPU: 1 PID: 7346 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7349] <... exit_group resumed>) = ? [pid 7350] +++ exited with 0 +++ [pid 7349] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7352 ./strace-static-x86_64: Process 7352 attached [pid 7352] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7352] setpgid(0, 0) = 0 [pid 7352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7352] write(3, "1000", 4) = 4 [pid 7352] close(3) = 0 [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7352] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7352] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7353], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7353 [pid 7352] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7353 attached [pid 7353] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7353] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7353] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... futex resumed>) = 0 [pid 7353] <... futex resumed>) = 1 [pid 7352] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7352] <... futex resumed>) = 0 [pid 7353] <... setsockopt resumed>) = 0 [ 279.069200][ T7346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 279.079281][ T7346] Call Trace: [ 279.082578][ T7346] [ 279.085528][ T7346] dump_stack_lvl+0xcd/0x134 [ 279.090153][ T7346] should_fail.cold+0x5/0xa [ 279.094696][ T7346] get_futex_key+0x5b2/0x1c50 [ 279.099405][ T7346] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 279.105431][ T7346] ? futex_setup_timer+0xf0/0xf0 [ 279.110411][ T7346] futex_wake+0xe4/0x490 [ 279.114696][ T7346] ? futex_wake_mark+0x1a0/0x1a0 [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] <... futex resumed>) = 0 [pid 7352] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7352] <... futex resumed>) = 0 [pid 7353] <... setsockopt resumed>) = 0 [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7352] <... futex resumed>) = 0 [pid 7353] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7352] <... futex resumed>) = 0 [pid 7353] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... setsockopt resumed>) = 0 [pid 7353] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7352] <... futex resumed>) = 0 [pid 7353] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7352] <... futex resumed>) = 0 [pid 7353] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... sendto resumed>) = 1 [pid 7353] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7352] <... futex resumed>) = 0 [pid 7353] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7352] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... sendto resumed>) = 1 [pid 7352] <... futex resumed>) = 0 [pid 7353] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... futex resumed>) = 0 [pid 7352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7352] <... futex resumed>) = 0 [pid 7353] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7352] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... openat resumed>) = 4 [pid 7353] write(4, "5", 1) = 1 [pid 7353] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7353] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7352] <... futex resumed>) = 0 [pid 7353] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7352] exit_group(0 [pid 7353] <... futex resumed>) = ? [pid 7352] <... exit_group resumed>) = ? [pid 7353] +++ exited with 0 +++ [pid 7352] +++ exited with 0 +++ [pid 7344] <... futex resumed>) = ? [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7352, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7344] +++ exited with 0 +++ [pid 7339] +++ exited with 0 +++ [ 279.119666][ T7346] ? ptrace_stop.part.0+0x5ec/0xa80 [ 279.124899][ T7346] ? do_raw_spin_lock+0x120/0x2a0 [ 279.129963][ T7346] ? rwlock_bug.part.0+0x90/0x90 [ 279.134933][ T7346] ? _raw_spin_lock_irq+0x41/0x50 [ 279.140012][ T7346] do_futex+0x266/0x300 [ 279.144200][ T7346] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 279.150122][ T7346] ? find_held_lock+0x2d/0x110 [ 279.154962][ T7346] __x64_sys_futex+0x1b0/0x4a0 [ 279.159760][ T7346] ? do_futex+0x300/0x300 [ 279.164112][ T7346] ? _raw_spin_unlock_irq+0x1f/0x40 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7354 ./strace-static-x86_64: Process 7354 attached [pid 7354] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7354] setpgid(0, 0) = 0 [pid 7354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7354] write(3, "1000", 4) = 4 [pid 7354] close(3) = 0 [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7354] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7354] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7355], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7355 [pid 7354] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7355 attached [pid 7355] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7355] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7355] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] <... futex resumed>) = 0 [pid 7355] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7354] <... futex resumed>) = 0 [pid 7355] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] <... setsockopt resumed>) = 0 [pid 7355] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] <... futex resumed>) = 0 [pid 7355] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7354] <... futex resumed>) = 0 [pid 7355] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] <... setsockopt resumed>) = 0 [pid 7355] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] <... futex resumed>) = 0 [ 279.169338][ T7346] ? lockdep_hardirqs_on+0x79/0x100 [ 279.174563][ T7346] ? _raw_spin_unlock_irq+0x2a/0x40 [ 279.179793][ T7346] ? ptrace_notify+0xfa/0x140 [ 279.184503][ T7346] do_syscall_64+0x35/0xb0 [ 279.188951][ T7346] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 279.194879][ T7346] RIP: 0033:0x7fc128117db9 [ 279.199320][ T7346] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7355] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7354] <... futex resumed>) = 0 [pid 7355] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] <... setsockopt resumed>) = 0 [pid 7355] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] <... futex resumed>) = 0 [pid 7355] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7354] <... futex resumed>) = 0 [pid 7355] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] <... sendto resumed>) = 1 [pid 7355] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] <... futex resumed>) = 0 [pid 7355] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7354] <... futex resumed>) = 0 [pid 7355] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] <... sendto resumed>) = 1 [pid 7355] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] <... futex resumed>) = 0 [pid 7355] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7355] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7354] <... futex resumed>) = 0 [pid 7355] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7354] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7355] <... openat resumed>) = 4 [pid 7355] write(4, "5", 1) = 1 [pid 7355] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7355] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7354] <... futex resumed>) = 0 [pid 7355] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7354] exit_group(0 [pid 7355] <... futex resumed>) = ? [pid 7354] <... exit_group resumed>) = ? [pid 7355] +++ exited with 0 +++ [pid 7354] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7354, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7356 ./strace-static-x86_64: Process 7356 attached [ 279.218961][ T7346] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 279.227415][ T7346] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 279.235422][ T7346] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 279.243429][ T7346] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 279.251432][ T7346] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 279.259436][ T7346] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 279.267456][ T7346] [pid 7356] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7356] setpgid(0, 0) = 0 [pid 7356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7356] write(3, "1000", 4) = 4 [pid 7356] close(3) = 0 [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7356] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7356] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7357], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7357 [pid 7356] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7357 attached [pid 7357] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7357] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7357] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7357] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... futex resumed>) = 0 [pid 7357] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] <... setsockopt resumed>) = 0 [pid 7357] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7357] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... futex resumed>) = 0 [pid 7357] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] <... setsockopt resumed>) = 0 [pid 7357] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7357] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... futex resumed>) = 0 [pid 7357] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] <... setsockopt resumed>) = 0 [pid 7357] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] <... futex resumed>) = 0 [ 279.272549][ T7343] CPU: 1 PID: 7343 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 279.283091][ T7343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 279.293177][ T7343] Call Trace: [ 279.296479][ T7343] [ 279.299522][ T7343] dump_stack_lvl+0xcd/0x134 [ 279.304157][ T7343] should_fail.cold+0x5/0xa [ 279.308702][ T7343] get_futex_key+0x5b2/0x1c50 [ 279.313410][ T7343] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 7357] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... futex resumed>) = 0 [pid 7357] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] <... sendto resumed>) = 1 [pid 7357] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7357] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... futex resumed>) = 0 [pid 7357] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] <... sendto resumed>) = 1 [pid 7357] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7357] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7356] <... futex resumed>) = 0 [pid 7357] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7356] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7357] <... openat resumed>) = 4 [pid 7357] write(4, "5", 1) = 1 [pid 7357] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7357] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7356] <... futex resumed>) = 0 [pid 7357] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7356] exit_group(0 [pid 7357] <... futex resumed>) = ? [pid 7356] <... exit_group resumed>) = ? [pid 7357] +++ exited with 0 +++ [pid 7356] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3614] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7358 ./strace-static-x86_64: Process 7358 attached [pid 7358] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7358] setpgid(0, 0) = 0 [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7358] write(3, "1000", 4) = 4 [pid 7358] close(3) = 0 [ 279.319442][ T7343] ? futex_setup_timer+0xf0/0xf0 [ 279.324527][ T7343] futex_wake+0xe4/0x490 [ 279.328812][ T7343] ? futex_wake_mark+0x1a0/0x1a0 [ 279.333800][ T7343] ? ptrace_stop.part.0+0x5ec/0xa80 [ 279.339035][ T7343] ? do_raw_spin_lock+0x120/0x2a0 [ 279.344092][ T7343] ? rwlock_bug.part.0+0x90/0x90 [ 279.349062][ T7343] ? _raw_spin_lock_irq+0x41/0x50 [ 279.354128][ T7343] do_futex+0x266/0x300 [ 279.358321][ T7343] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 279.364257][ T7343] ? find_held_lock+0x2d/0x110 [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7358] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7358] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7359], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7359 [pid 7358] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7359 attached [pid 7359] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7359] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7359] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7359] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7358] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... setsockopt resumed>) = 0 [pid 7358] <... futex resumed>) = 0 [pid 7359] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] <... futex resumed>) = 0 [pid 7358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7359] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7359] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] <... setsockopt resumed>) = 0 [pid 7359] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7359] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7359] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] <... setsockopt resumed>) = 0 [pid 7359] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7359] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7359] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] <... sendto resumed>) = 1 [pid 7359] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7359] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7359] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] <... sendto resumed>) = 1 [ 279.369056][ T7343] __x64_sys_futex+0x1b0/0x4a0 [ 279.373940][ T7343] ? do_futex+0x300/0x300 [ 279.378303][ T7343] ? _raw_spin_unlock_irq+0x1f/0x40 [ 279.383892][ T7343] ? lockdep_hardirqs_on+0x79/0x100 [ 279.389134][ T7343] ? _raw_spin_unlock_irq+0x2a/0x40 [ 279.394411][ T7343] ? ptrace_notify+0xfa/0x140 [ 279.399126][ T7343] do_syscall_64+0x35/0xb0 [ 279.403569][ T7343] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 279.409498][ T7343] RIP: 0033:0x7fc128117db9 [pid 7359] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7359] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7358] <... futex resumed>) = 0 [pid 7359] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7358] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7359] <... openat resumed>) = 4 [pid 7359] write(4, "5", 1) = 1 [pid 7359] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7359] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7358] <... futex resumed>) = 0 [pid 7359] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] exit_group(0 [pid 7359] <... futex resumed>) = ? [pid 7358] <... exit_group resumed>) = ? [pid 7359] +++ exited with 0 +++ [pid 7358] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7358, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 279.413939][ T7343] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 279.433584][ T7343] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 279.442057][ T7343] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 279.450038][ T7343] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 279.458022][ T7343] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7339, si_uid=0, si_status=0, si_utime=0, si_stime=32} --- ./strace-static-x86_64: Process 7351 attached [pid 7346] <... futex resumed>) = ? [pid 7343] <... futex resumed>) = ? [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7351] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7351] setpgid(0, 0) = 0 [pid 7351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7346] +++ exited with 0 +++ [pid 7342] +++ exited with 0 +++ [pid 7351] write(3, "1000", 4) = 4 [pid 7351] close(3) = 0 [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7343] +++ exited with 0 +++ [pid 7340] +++ exited with 0 +++ [pid 7351] <... mmap resumed>) = 0x7fc1280a9000 [pid 7351] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7351] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7361], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7361 [pid 7351] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 7362 attached ./strace-static-x86_64: Process 7361 attached ./strace-static-x86_64: Process 7360 attached [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7342, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7360 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7362 [pid 7362] set_robust_list(0x5555564f35e0, 24 [pid 7361] set_robust_list(0x7fc1280c99e0, 24 [pid 7360] set_robust_list(0x5555564f35e0, 24 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7340, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7360] <... set_robust_list resumed>) = 0 [pid 7362] <... set_robust_list resumed>) = 0 [pid 7362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7362] setpgid(0, 0) = 0 [pid 7362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7362] write(3, "1000", 4) = 4 [pid 7362] close(3) = 0 [pid 7360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7363 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7365 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7364 [pid 7360] setpgid(0, 0) = 0 [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7363 attached ) = 0 [pid 7360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7363] set_robust_list(0x5555564f35e0, 24 [pid 7362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7360] <... openat resumed>) = 3 [pid 7360] write(3, "1000", 4) = 4 [pid 7360] close(3) = 0 [pid 7361] <... set_robust_list resumed>) = 0 [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7361] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7360] <... mmap resumed>) = 0x7fc1280a9000 [pid 7360] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 7365 attached ./strace-static-x86_64: Process 7364 attached [pid 7363] <... set_robust_list resumed>) = 0 [pid 7362] <... mmap resumed>) = 0x7fc1280a9000 [pid 7361] <... socket resumed>) = 3 [pid 7360] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7365] set_robust_list(0x5555564f35e0, 24 [pid 7364] set_robust_list(0x5555564f35e0, 24 [pid 7363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7362] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7361] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7366 attached [pid 7365] <... set_robust_list resumed>) = 0 [pid 7364] <... set_robust_list resumed>) = 0 [pid 7363] <... prctl resumed>) = 0 [pid 7362] <... mprotect resumed>) = 0 [pid 7361] <... futex resumed>) = 1 [pid 7351] <... futex resumed>) = 0 [pid 7366] set_robust_list(0x7fc1280c99e0, 24 [pid 7365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7363] setpgid(0, 0 [pid 7362] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7361] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... clone resumed>, parent_tid=[7366], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7366 [pid 7351] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... set_robust_list resumed>) = 0 [pid 7365] <... prctl resumed>) = 0 [pid 7364] <... prctl resumed>) = 0 [pid 7363] <... setpgid resumed>) = 0 [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7360] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7367 attached [pid 7366] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7365] setpgid(0, 0 [pid 7364] setpgid(0, 0 [pid 7363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7362] <... clone resumed>, parent_tid=[7367], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7367 [pid 7361] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7360] <... futex resumed>) = 0 [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] <... socket resumed>) = 3 [pid 7365] <... setpgid resumed>) = 0 [pid 7364] <... setpgid resumed>) = 0 [pid 7363] <... openat resumed>) = 3 [pid 7362] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... setsockopt resumed>) = 0 [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7363] write(3, "1000", 4 [pid 7362] <... futex resumed>) = 0 [pid 7361] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] set_robust_list(0x7fc1280c99e0, 24 [pid 7366] <... futex resumed>) = 0 [pid 7365] <... openat resumed>) = 3 [pid 7364] <... openat resumed>) = 3 [pid 7363] <... write resumed>) = 4 [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] <... futex resumed>) = 1 [pid 7360] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... futex resumed>) = 0 [pid 7367] <... set_robust_list resumed>) = 0 [pid 7366] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7365] write(3, "1000", 4 [pid 7364] write(3, "1000", 4 [pid 7363] close(3 [pid 7361] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... futex resumed>) = 0 [pid 7351] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7366] <... setsockopt resumed>) = 0 [pid 7365] <... write resumed>) = 4 [pid 7364] <... write resumed>) = 4 [pid 7363] <... close resumed>) = 0 [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... futex resumed>) = 0 [pid 7367] <... socket resumed>) = 3 [pid 7366] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] close(3 [pid 7364] close(3 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7367] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... futex resumed>) = 0 [pid 7365] <... close resumed>) = 0 [pid 7364] <... close resumed>) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7361] <... setsockopt resumed>) = 0 [pid 7360] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... futex resumed>) = 1 [pid 7366] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7362] <... futex resumed>) = 0 [pid 7361] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = 0 [pid 7367] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7366] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7365] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7363] <... mmap resumed>) = 0x7fc1280a9000 [pid 7362] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = 1 [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... futex resumed>) = 0 [pid 7367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7366] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7363] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7362] <... futex resumed>) = 0 [pid 7361] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7351] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7366] <... futex resumed>) = 0 [ 279.466001][ T7343] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 279.473985][ T7343] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 279.481993][ T7343] [pid 7365] <... mmap resumed>) = 0x7fc1280a9000 [pid 7364] <... mmap resumed>) = 0x7fc1280a9000 [pid 7363] <... mprotect resumed>) = 0 [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7360] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... futex resumed>) = 0 [pid 7367] <... setsockopt resumed>) = 0 [pid 7366] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7365] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7364] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7363] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7361] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7360] <... futex resumed>) = 0 [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7367] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... setsockopt resumed>) = 0 [pid 7365] <... mprotect resumed>) = 0 [pid 7364] <... mprotect resumed>) = 0 [pid 7361] <... setsockopt resumed>) = 0 [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7368 attached [pid 7367] <... futex resumed>) = 1 [pid 7366] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7364] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7363] <... clone resumed>, parent_tid=[7368], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7368 [pid 7362] <... futex resumed>) = 0 [pid 7361] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7370 attached ./strace-static-x86_64: Process 7369 attached [pid 7368] set_robust_list(0x7fc1280c99e0, 24 [pid 7367] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7366] <... futex resumed>) = 0 [pid 7363] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... futex resumed>) = 1 [pid 7360] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7351] <... futex resumed>) = 0 [pid 7369] set_robust_list(0x7fc1280c99e0, 24 [pid 7365] <... clone resumed>, parent_tid=[7369], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7369 [pid 7364] <... clone resumed>, parent_tid=[7370], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7370 [pid 7363] <... futex resumed>) = 0 [pid 7362] <... futex resumed>) = 0 [pid 7351] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... set_robust_list resumed>) = 0 [pid 7367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7366] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7365] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7360] <... futex resumed>) = 0 [pid 7369] <... set_robust_list resumed>) = 0 [pid 7351] <... futex resumed>) = 0 [pid 7370] set_robust_list(0x7fc1280c99e0, 24 [pid 7368] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7367] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7365] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] <... sendto resumed>) = 1 [pid 7367] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7366] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7369] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7368] <... socket resumed>) = 3 [pid 7367] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... futex resumed>) = 0 [pid 7360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7370] <... set_robust_list resumed>) = 0 [pid 7369] <... socket resumed>) = 3 [pid 7368] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... futex resumed>) = 1 [pid 7366] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7362] <... futex resumed>) = 0 [pid 7361] <... sendto resumed>) = 1 [pid 7360] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7369] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... futex resumed>) = 1 [pid 7367] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7363] <... futex resumed>) = 0 [pid 7362] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = 0 [pid 7369] <... futex resumed>) = 1 [pid 7368] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7366] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7365] <... futex resumed>) = 0 [pid 7363] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7361] <... futex resumed>) = 1 [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... futex resumed>) = 0 [pid 7370] <... socket resumed>) = 3 [pid 7369] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7366] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7365] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... futex resumed>) = 0 [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7351] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7367] <... setsockopt resumed>) = 0 [pid 7366] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... futex resumed>) = 0 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7351] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 1 [pid 7369] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7368] <... setsockopt resumed>) = 0 [pid 7367] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... futex resumed>) = 1 [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] <... futex resumed>) = 0 [pid 7361] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7360] <... futex resumed>) = 0 [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] <... setsockopt resumed>) = 0 [pid 7368] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] <... futex resumed>) = 1 [pid 7366] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7364] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7361] <... sendto resumed>) = 1 [pid 7360] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7369] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... futex resumed>) = 1 [pid 7367] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7366] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7364] <... futex resumed>) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7362] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] <... futex resumed>) = 0 [pid 7370] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7369] <... futex resumed>) = 1 [pid 7368] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7366] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7365] <... futex resumed>) = 0 [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7361] <... futex resumed>) = 1 [pid 7360] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... futex resumed>) = 0 [pid 7370] <... setsockopt resumed>) = 0 [pid 7369] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7366] <... openat resumed>) = 4 [pid 7365] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... futex resumed>) = 0 [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7351] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7366] write(4, "5", 1 [pid 7365] <... futex resumed>) = 0 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7351] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 1 [pid 7369] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7368] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7367] <... sendto resumed>) = 1 [pid 7366] <... write resumed>) = 1 [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] <... futex resumed>) = 0 [pid 7361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7351] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7368] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7364] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7369] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... futex resumed>) = 1 [pid 7367] <... futex resumed>) = 1 [pid 7366] <... setsockopt resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7363] <... futex resumed>) = 0 [pid 7362] <... futex resumed>) = 0 [pid 7370] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7369] <... futex resumed>) = 1 [pid 7368] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7366] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... futex resumed>) = 0 [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... openat resumed>) = 4 [pid 7370] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7369] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7367] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7361] write(4, "5", 1 [pid 7370] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7367] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7361] <... write resumed>) = 1 [pid 7370] <... futex resumed>) = 0 [pid 7368] <... setsockopt resumed>) = 0 [pid 7367] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7361] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7370] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... setsockopt resumed>) = 0 [pid 7368] <... futex resumed>) = 0 [ 279.579473][ T7366] FAULT_INJECTION: forcing a failure. [ 279.579473][ T7366] name fail_futex, interval 1, probability 0, space 0, times 0 [ 279.593788][ T7366] CPU: 0 PID: 7366 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 279.604331][ T7366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 279.614391][ T7366] Call Trace: [ 279.617673][ T7366] [ 279.620603][ T7366] dump_stack_lvl+0xcd/0x134 [ 279.625222][ T7366] should_fail.cold+0x5/0xa [ 279.629765][ T7366] get_futex_key+0x5b2/0x1c50 [ 279.634457][ T7366] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 279.640449][ T7366] ? futex_setup_timer+0xf0/0xf0 [ 279.645398][ T7366] futex_wake+0xe4/0x490 [ 279.649652][ T7366] ? futex_wake_mark+0x1a0/0x1a0 [ 279.654596][ T7366] ? ptrace_stop.part.0+0x5ec/0xa80 [ 279.659814][ T7366] ? do_raw_spin_lock+0x120/0x2a0 [ 279.664856][ T7366] ? rwlock_bug.part.0+0x90/0x90 [ 279.669798][ T7366] ? _raw_spin_lock_irq+0x41/0x50 [ 279.674852][ T7366] do_futex+0x266/0x300 [ 279.679012][ T7366] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 279.684908][ T7366] ? find_held_lock+0x2d/0x110 [ 279.689699][ T7366] __x64_sys_futex+0x1b0/0x4a0 [ 279.694466][ T7366] ? do_futex+0x300/0x300 [ 279.698812][ T7366] ? _raw_spin_unlock_irq+0x1f/0x40 [ 279.704015][ T7366] ? lockdep_hardirqs_on+0x79/0x100 [ 279.709216][ T7366] ? _raw_spin_unlock_irq+0x2a/0x40 [ 279.714428][ T7366] ? ptrace_notify+0xfa/0x140 [ 279.719113][ T7366] do_syscall_64+0x35/0xb0 [ 279.723546][ T7366] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 279.729530][ T7366] RIP: 0033:0x7fc128117db9 [ 279.733949][ T7366] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 279.753581][ T7366] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 279.761995][ T7366] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 279.769966][ T7366] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7367] <... futex resumed>) = 0 [pid 7365] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7363] <... futex resumed>) = 0 [pid 7362] <... futex resumed>) = 0 [pid 7361] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... futex resumed>) = 0 [pid 7368] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7367] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7365] <... futex resumed>) = 1 [pid 7364] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] <... futex resumed>) = 0 [pid 7360] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7370] <... futex resumed>) = 0 [pid 7369] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] <... futex resumed>) = 1 [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7361] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7360] exit_group(0 [pid 7351] exit_group(0 [pid 7363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7370] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7369] <... setsockopt resumed>) = 0 [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7361] <... futex resumed>) = ? [pid 7360] <... exit_group resumed>) = ? [pid 7351] <... exit_group resumed>) = ? [pid 7370] <... setsockopt resumed>) = 0 [pid 7369] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... futex resumed>) = 0 [pid 7363] <... futex resumed>) = 1 [pid 7362] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] +++ exited with 0 +++ [pid 7370] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... futex resumed>) = 1 [pid 7370] <... futex resumed>) = 1 [pid 7369] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7370] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7367] <... futex resumed>) = 0 [pid 7365] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... futex resumed>) = 1 [pid 7367] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7351] +++ exited with 0 +++ [pid 7368] <... sendto resumed>) = 1 [pid 7367] <... openat resumed>) = 4 [pid 7365] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7351, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7370] <... futex resumed>) = 0 [pid 7369] <... futex resumed>) = 0 [pid 7368] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7367] write(4, "5", 1 [pid 7365] <... futex resumed>) = 1 [pid 7364] <... futex resumed>) = 1 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 7370] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [ 279.777943][ T7366] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 279.785914][ T7366] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 279.793907][ T7366] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 279.801897][ T7366] [pid 7369] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7368] <... futex resumed>) = 1 [pid 7367] <... write resumed>) = 1 [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... futex resumed>) = 0 [pid 3615] <... restart_syscall resumed>) = 0 [pid 7366] <... futex resumed>) = ? [pid 7367] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7367] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7370] <... sendto resumed>) = 1 [pid 7369] <... sendto resumed>) = 1 [pid 7368] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7366] +++ exited with 0 +++ [pid 7363] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] +++ exited with 0 +++ [pid 7370] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7363] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 1 [pid 7369] <... futex resumed>) = 1 [pid 7368] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7365] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7365] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7370] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7369] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7368] <... futex resumed>) = 1 [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7363] <... futex resumed>) = 0 [pid 7370] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7369] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7368] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7363] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7363] <... futex resumed>) = 0 [pid 7370] <... futex resumed>) = 1 [pid 7369] <... futex resumed>) = 1 [pid 7368] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7365] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7363] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7368] <... openat resumed>) = 4 [pid 7365] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7364] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] write(4, "5", 1 [pid 7365] <... futex resumed>) = 0 [pid 7364] <... futex resumed>) = 0 [pid 7370] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7369] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7368] <... write resumed>) = 1 [pid 7365] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7364] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7370] <... openat resumed>) = 4 [pid 7369] <... openat resumed>) = 4 [pid 7368] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7370] write(4, "5", 1 [pid 7369] write(4, "5", 1 [pid 7368] <... setsockopt resumed>) = 0 [pid 7370] <... write resumed>) = 1 [pid 7369] <... write resumed>) = 1 [ 279.821000][ T7367] FAULT_INJECTION: forcing a failure. [ 279.821000][ T7367] name fail_futex, interval 1, probability 0, space 0, times 0 [ 279.834070][ T7367] CPU: 1 PID: 7367 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 279.844604][ T7367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 279.854692][ T7367] Call Trace: [ 279.857995][ T7367] [ 279.860951][ T7367] dump_stack_lvl+0xcd/0x134 [ 279.865581][ T7367] should_fail.cold+0x5/0xa [pid 7368] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7370] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7369] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7362] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7370] <... setsockopt resumed>) = 0 [pid 7369] <... setsockopt resumed>) = 0 [pid 7362] exit_group(0 [pid 7370] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... exit_group resumed>) = ? [pid 7363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7363] exit_group(0) = ? [pid 7365] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7365] exit_group(0 [pid 7364] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7365] <... exit_group resumed>) = ? [pid 7364] exit_group(0) = ? [ 279.866014][ T7368] FAULT_INJECTION: forcing a failure. [ 279.866014][ T7368] name fail_futex, interval 1, probability 0, space 0, times 0 [ 279.870098][ T7367] get_futex_key+0x5b2/0x1c50 [ 279.870128][ T7367] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 279.884714][ T7370] FAULT_INJECTION: forcing a failure. [ 279.884714][ T7370] name fail_futex, interval 1, probability 0, space 0, times 0 [ 279.887523][ T7367] ? futex_setup_timer+0xf0/0xf0 [ 279.896560][ T7369] FAULT_INJECTION: forcing a failure. [ 279.896560][ T7369] name fail_futex, interval 1, probability 0, space 0, times 0 [ 279.906216][ T7367] futex_wake+0xe4/0x490 [ 279.906250][ T7367] ? futex_wake_mark+0x1a0/0x1a0 [ 279.933609][ T7367] ? ptrace_stop.part.0+0x5ec/0xa80 [ 279.938921][ T7367] ? do_raw_spin_lock+0x120/0x2a0 [ 279.943955][ T7367] ? rwlock_bug.part.0+0x90/0x90 [ 279.948893][ T7367] ? _raw_spin_lock_irq+0x41/0x50 [ 279.953930][ T7367] do_futex+0x266/0x300 [ 279.958090][ T7367] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 279.963985][ T7367] ? find_held_lock+0x2d/0x110 [ 279.968762][ T7367] __x64_sys_futex+0x1b0/0x4a0 [ 279.973547][ T7367] ? do_futex+0x300/0x300 [ 279.977888][ T7367] ? _raw_spin_unlock_irq+0x1f/0x40 [ 279.983110][ T7367] ? lockdep_hardirqs_on+0x79/0x100 [ 279.988310][ T7367] ? _raw_spin_unlock_irq+0x2a/0x40 [ 279.993514][ T7367] ? ptrace_notify+0xfa/0x140 [ 279.998221][ T7367] do_syscall_64+0x35/0xb0 [ 280.002643][ T7367] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 280.008544][ T7367] RIP: 0033:0x7fc128117db9 [ 280.012976][ T7367] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 280.032762][ T7367] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 280.041179][ T7367] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 280.049150][ T7367] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 280.057124][ T7367] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [pid 7367] <... futex resumed>) = ? [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7360, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7371 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7372 [ 280.065093][ T7367] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 280.073067][ T7367] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 280.081051][ T7367] [ 280.084486][ T7368] CPU: 1 PID: 7368 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 280.095030][ T7368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 280.105103][ T7368] Call Trace: [ 280.108401][ T7368] [ 280.111348][ T7368] dump_stack_lvl+0xcd/0x134 [ 280.115964][ T7368] should_fail.cold+0x5/0xa [ 280.120501][ T7368] get_futex_key+0x5b2/0x1c50 [ 280.125225][ T7368] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 280.131235][ T7368] ? futex_setup_timer+0xf0/0xf0 [ 280.136198][ T7368] futex_wake+0xe4/0x490 [ 280.140471][ T7368] ? futex_wake_mark+0x1a0/0x1a0 [ 280.145420][ T7368] ? ptrace_stop.part.0+0x5ec/0xa80 [ 280.150631][ T7368] ? do_raw_spin_lock+0x120/0x2a0 [ 280.155678][ T7368] ? rwlock_bug.part.0+0x90/0x90 [ 280.160631][ T7368] ? _raw_spin_lock_irq+0x41/0x50 [ 280.165685][ T7368] do_futex+0x266/0x300 [ 280.169861][ T7368] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 280.175772][ T7368] ? find_held_lock+0x2d/0x110 [ 280.180559][ T7368] __x64_sys_futex+0x1b0/0x4a0 [ 280.185344][ T7368] ? do_futex+0x300/0x300 [ 280.189690][ T7368] ? _raw_spin_unlock_irq+0x1f/0x40 [ 280.194905][ T7368] ? lockdep_hardirqs_on+0x79/0x100 [ 280.200127][ T7368] ? _raw_spin_unlock_irq+0x2a/0x40 [ 280.205348][ T7368] ? ptrace_notify+0xfa/0x140 [ 280.210067][ T7368] do_syscall_64+0x35/0xb0 [ 280.214509][ T7368] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 280.220601][ T7368] RIP: 0033:0x7fc128117db9 [ 280.225032][ T7368] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 280.244663][ T7368] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 280.253096][ T7368] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 280.261074][ T7368] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 280.269053][ T7368] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 280.277038][ T7368] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 280.285033][ T7368] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 280.293124][ T7368] [ 280.296148][ T7370] CPU: 0 PID: 7370 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 280.306673][ T7370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 280.316734][ T7370] Call Trace: [ 280.320015][ T7370] [ 280.322946][ T7370] dump_stack_lvl+0xcd/0x134 [ 280.327550][ T7370] should_fail.cold+0x5/0xa [ 280.332083][ T7370] get_futex_key+0x5b2/0x1c50 [ 280.336763][ T7370] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 280.342751][ T7370] ? futex_setup_timer+0xf0/0xf0 [ 280.347708][ T7370] futex_wake+0xe4/0x490 [ 280.351979][ T7370] ? futex_wake_mark+0x1a0/0x1a0 [ 280.356933][ T7370] ? ptrace_stop.part.0+0x5ec/0xa80 [ 280.362156][ T7370] ? do_raw_spin_lock+0x120/0x2a0 [ 280.367209][ T7370] ? rwlock_bug.part.0+0x90/0x90 [ 280.372155][ T7370] ? _raw_spin_lock_irq+0x41/0x50 [ 280.377193][ T7370] do_futex+0x266/0x300 [ 280.381354][ T7370] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 280.387246][ T7370] ? find_held_lock+0x2d/0x110 [ 280.392026][ T7370] __x64_sys_futex+0x1b0/0x4a0 [ 280.396795][ T7370] ? do_futex+0x300/0x300 [ 280.401125][ T7370] ? _raw_spin_unlock_irq+0x1f/0x40 [ 280.406328][ T7370] ? lockdep_hardirqs_on+0x79/0x100 [ 280.411658][ T7370] ? _raw_spin_unlock_irq+0x2a/0x40 [ 280.416866][ T7370] ? ptrace_notify+0xfa/0x140 [ 280.421550][ T7370] do_syscall_64+0x35/0xb0 [ 280.425990][ T7370] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 280.431890][ T7370] RIP: 0033:0x7fc128117db9 [ 280.436309][ T7370] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 280.456005][ T7370] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 280.464420][ T7370] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 ./strace-static-x86_64: Process 7372 attached ./strace-static-x86_64: Process 7371 attached [pid 7368] <... futex resumed>) = ? [pid 7367] +++ exited with 0 +++ [pid 7362] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7362, si_uid=0, si_status=0, si_utime=0, si_stime=26} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7373 [ 280.472392][ T7370] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 280.480535][ T7370] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 280.488508][ T7370] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 280.496476][ T7370] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 280.504460][ T7370] [ 280.507901][ T7369] CPU: 1 PID: 7369 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 ./strace-static-x86_64: Process 7373 attached [pid 7373] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7373] setpgid(0, 0) = 0 [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7373] write(3, "1000", 4) = 4 [pid 7373] close(3) = 0 [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7373] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7373] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7374], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7374 [pid 7373] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7374 attached [pid 7374] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7374] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7374] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7374] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7374] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... setsockopt resumed>) = 0 [pid 7374] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7374] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7374] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... setsockopt resumed>) = 0 [pid 7374] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 280.518432][ T7369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 280.528517][ T7369] Call Trace: [ 280.531819][ T7369] [ 280.534778][ T7369] dump_stack_lvl+0xcd/0x134 [ 280.539404][ T7369] should_fail.cold+0x5/0xa [ 280.543945][ T7369] get_futex_key+0x5b2/0x1c50 [ 280.548678][ T7369] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 280.554695][ T7369] ? futex_setup_timer+0xf0/0xf0 [ 280.559673][ T7369] futex_wake+0xe4/0x490 [ 280.563951][ T7369] ? futex_wake_mark+0x1a0/0x1a0 [ 280.568919][ T7369] ? ptrace_stop.part.0+0x5ec/0xa80 [pid 7373] <... futex resumed>) = 0 [pid 7374] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7374] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... setsockopt resumed>) = 0 [pid 7374] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7374] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7374] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... sendto resumed>) = 1 [pid 7374] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7374] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7374] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... sendto resumed>) = 1 [pid 7374] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7374] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7374] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7373] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... openat resumed>) = 4 [pid 7374] write(4, "5", 1) = 1 [pid 7374] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7374] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7373] <... futex resumed>) = 0 [pid 7374] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7373] exit_group(0 [pid 7374] <... futex resumed>) = ? [pid 7373] <... exit_group resumed>) = ? [pid 7374] +++ exited with 0 +++ [pid 7373] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7373, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [ 280.574147][ T7369] ? do_raw_spin_lock+0x120/0x2a0 [ 280.579210][ T7369] ? rwlock_bug.part.0+0x90/0x90 [ 280.584182][ T7369] ? _raw_spin_lock_irq+0x41/0x50 [ 280.589243][ T7369] do_futex+0x266/0x300 [ 280.593431][ T7369] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 280.599358][ T7369] ? find_held_lock+0x2d/0x110 [ 280.604166][ T7369] __x64_sys_futex+0x1b0/0x4a0 [ 280.608991][ T7369] ? do_futex+0x300/0x300 [ 280.613345][ T7369] ? _raw_spin_unlock_irq+0x1f/0x40 [ 280.618577][ T7369] ? lockdep_hardirqs_on+0x79/0x100 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7375 ./strace-static-x86_64: Process 7375 attached [pid 7375] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7375] setpgid(0, 0) = 0 [pid 7375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7375] write(3, "1000", 4) = 4 [pid 7375] close(3) = 0 [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7375] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7375] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7376], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7376 [pid 7375] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7376 attached [pid 7376] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7376] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7376] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] <... futex resumed>) = 0 [pid 7376] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... setsockopt resumed>) = 0 [pid 7376] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] <... futex resumed>) = 0 [pid 7376] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... setsockopt resumed>) = 0 [ 280.623817][ T7369] ? _raw_spin_unlock_irq+0x2a/0x40 [ 280.629053][ T7369] ? ptrace_notify+0xfa/0x140 [ 280.633764][ T7369] do_syscall_64+0x35/0xb0 [ 280.638211][ T7369] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 280.644135][ T7369] RIP: 0033:0x7fc128117db9 [ 280.648589][ T7369] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7376] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] <... futex resumed>) = 0 [pid 7376] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... setsockopt resumed>) = 0 [pid 7376] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] <... futex resumed>) = 0 [pid 7376] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... sendto resumed>) = 1 [pid 7376] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] <... futex resumed>) = 0 [pid 7376] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... sendto resumed>) = 1 [pid 7376] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7376] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] <... futex resumed>) = 0 [pid 7376] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7375] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7376] <... openat resumed>) = 4 [pid 7376] write(4, "5", 1) = 1 [pid 7376] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7376] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7375] <... futex resumed>) = 0 [pid 7376] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] exit_group(0 [pid 7376] <... futex resumed>) = ? [pid 7375] <... exit_group resumed>) = ? [pid 7376] +++ exited with 0 +++ [pid 7375] +++ exited with 0 +++ [pid 7372] set_robust_list(0x5555564f35e0, 24 [pid 7371] set_robust_list(0x5555564f35e0, 24 [pid 7370] <... futex resumed>) = ? [pid 7369] <... futex resumed>) = ? [pid 7368] +++ exited with 0 +++ [pid 7363] +++ exited with 0 +++ [pid 7372] <... set_robust_list resumed>) = 0 [pid 7371] <... set_robust_list resumed>) = 0 [pid 7369] +++ exited with 0 +++ [pid 7365] +++ exited with 0 +++ [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7363, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7365, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7375, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7372] <... prctl resumed>) = 0 [pid 7371] <... prctl resumed>) = 0 [pid 7370] +++ exited with 0 +++ [pid 7364] +++ exited with 0 +++ [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7372] setpgid(0, 0 [pid 7371] setpgid(0, 0 [pid 7372] <... setpgid resumed>) = 0 [pid 7371] <... setpgid resumed>) = 0 [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] <... openat resumed>) = 3 [pid 7371] <... openat resumed>) = 3 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7364, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7377 ./strace-static-x86_64: Process 7377 attached [pid 7372] write(3, "1000", 4 [pid 7371] write(3, "1000", 4 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7378 [pid 7372] <... write resumed>) = 4 [pid 7371] <... write resumed>) = 4 [pid 7372] close(3 [pid 7371] close(3 [pid 3610] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7378 attached [pid 7377] set_robust_list(0x5555564f35e0, 24 [pid 7372] <... close resumed>) = 0 [pid 7371] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7378] set_robust_list(0x5555564f35e0, 24 [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... set_robust_list resumed>) = 0 [pid 7377] <... set_robust_list resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7378] <... prctl resumed>) = 0 [pid 7377] <... prctl resumed>) = 0 [pid 7372] <... mmap resumed>) = 0x7fc1280a9000 [pid 7371] <... mmap resumed>) = 0x7fc1280a9000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7379 [pid 7378] setpgid(0, 0 [pid 7377] setpgid(0, 0 [pid 7372] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7371] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7379 attached [pid 7378] <... setpgid resumed>) = 0 [pid 7377] <... setpgid resumed>) = 0 [pid 7372] <... mprotect resumed>) = 0 [pid 7371] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 7380 attached [pid 7379] set_robust_list(0x5555564f35e0, 24 [pid 7378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7372] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7371] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7380 ./strace-static-x86_64: Process 7382 attached ./strace-static-x86_64: Process 7381 attached [pid 7380] set_robust_list(0x5555564f35e0, 24 [pid 7379] <... set_robust_list resumed>) = 0 [pid 7378] <... openat resumed>) = 3 [pid 7377] <... openat resumed>) = 3 [pid 7382] set_robust_list(0x7fc1280c99e0, 24 [pid 7381] set_robust_list(0x7fc1280c99e0, 24 [pid 7380] <... set_robust_list resumed>) = 0 [pid 7379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7378] write(3, "1000", 4 [pid 7377] write(3, "1000", 4 [pid 7372] <... clone resumed>, parent_tid=[7381], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7381 [pid 7371] <... clone resumed>, parent_tid=[7382], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7382 [pid 7382] <... set_robust_list resumed>) = 0 [pid 7381] <... set_robust_list resumed>) = 0 [pid 7380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7379] <... prctl resumed>) = 0 [pid 7378] <... write resumed>) = 4 [pid 7377] <... write resumed>) = 4 [pid 7372] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7381] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7380] <... prctl resumed>) = 0 [pid 7379] setpgid(0, 0 [pid 7378] close(3 [pid 7377] close(3 [pid 7372] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7382] <... socket resumed>) = 3 [pid 7381] <... socket resumed>) = 3 [pid 7380] setpgid(0, 0 [pid 7379] <... setpgid resumed>) = 0 [pid 7378] <... close resumed>) = 0 [pid 7377] <... close resumed>) = 0 [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... setpgid resumed>) = 0 [pid 7379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = 0 [pid 7380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7379] <... openat resumed>) = 3 [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7372] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7381] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7380] <... openat resumed>) = 3 [pid 7379] write(3, "1000", 4 [pid 7378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7372] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7382] <... setsockopt resumed>) = 0 [ 280.668226][ T7369] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 280.676673][ T7369] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 280.684674][ T7369] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 280.692672][ T7369] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 280.700676][ T7369] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 280.708676][ T7369] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 280.716699][ T7369] [pid 7381] <... setsockopt resumed>) = 0 [pid 7380] write(3, "1000", 4 [pid 7379] <... write resumed>) = 4 [pid 7378] <... mmap resumed>) = 0x7fc1280a9000 [pid 7377] <... mmap resumed>) = 0x7fc1280a9000 [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... write resumed>) = 4 [pid 7379] close(3 [pid 7378] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7377] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = 0 [pid 7380] close(3 [pid 7379] <... close resumed>) = 0 [pid 7378] <... mprotect resumed>) = 0 [pid 7377] <... mprotect resumed>) = 0 [pid 7372] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7381] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7380] <... close resumed>) = 0 [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7377] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7372] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7382] <... setsockopt resumed>) = 0 [pid 7381] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... futex resumed>) = 0 [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... futex resumed>) = 0 [pid 7379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7378] <... clone resumed>, parent_tid=[7383], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7383 [pid 7377] <... clone resumed>, parent_tid=[7384], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7384 [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = 0 [pid 7380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7379] <... mmap resumed>) = 0x7fc1280a9000 [pid 7378] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7381] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7380] <... mmap resumed>) = 0x7fc1280a9000 [pid 7379] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7382] <... setsockopt resumed>) = 0 [pid 7381] <... setsockopt resumed>) = 0 [pid 7380] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7379] <... mprotect resumed>) = 0 [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7383 attached ./strace-static-x86_64: Process 7384 attached [pid 7382] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... mprotect resumed>) = 0 [pid 7379] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = 0 [pid 7381] <... futex resumed>) = 0 [pid 7380] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7372] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] set_robust_list(0x7fc1280c99e0, 24 [pid 7384] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7383] <... set_robust_list resumed>) = 0 [pid 7382] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7381] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7379] <... clone resumed>, parent_tid=[7385], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7385 [pid 7372] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7386 attached ./strace-static-x86_64: Process 7385 attached [pid 7384] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7383] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7381] <... sendto resumed>) = 1 [pid 7380] <... clone resumed>, parent_tid=[7386], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7386 [pid 7379] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] set_robust_list(0x7fc1280c99e0, 24 [pid 7385] set_robust_list(0x7fc1280c99e0, 24 [pid 7384] <... socket resumed>) = 3 [pid 7382] <... sendto resumed>) = 1 [pid 7381] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] <... futex resumed>) = 0 [pid 7383] <... socket resumed>) = 3 [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7385] <... set_robust_list resumed>) = 0 [pid 7384] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... futex resumed>) = 0 [pid 7380] <... futex resumed>) = 0 [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7384] <... futex resumed>) = 1 [pid 7383] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 1 [pid 7381] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7385] <... socket resumed>) = 3 [pid 7384] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7381] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7378] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7381] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] <... futex resumed>) = 0 [pid 7386] <... set_robust_list resumed>) = 0 [pid 7385] <... futex resumed>) = 1 [pid 7384] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7383] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7382] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7381] <... futex resumed>) = 0 [pid 7386] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7379] <... futex resumed>) = 0 [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7384] <... setsockopt resumed>) = 0 [pid 7383] <... setsockopt resumed>) = 0 [pid 7382] <... sendto resumed>) = 1 [pid 7381] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7379] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] <... futex resumed>) = 0 [pid 7386] <... socket resumed>) = 3 [pid 7385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7384] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7381] <... openat resumed>) = 4 [pid 7379] <... futex resumed>) = 0 [pid 7372] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7384] <... futex resumed>) = 1 [pid 7383] <... futex resumed>) = 1 [pid 7382] <... futex resumed>) = 1 [pid 7381] write(4, "5", 1 [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7386] <... futex resumed>) = 1 [pid 7385] <... setsockopt resumed>) = 0 [pid 7384] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7381] <... write resumed>) = 1 [pid 7380] <... futex resumed>) = 0 [pid 7378] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7371] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7381] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7380] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7385] <... futex resumed>) = 1 [pid 7384] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7383] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7382] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7381] <... setsockopt resumed>) = 0 [pid 7380] <... futex resumed>) = 0 [pid 7379] <... futex resumed>) = 0 [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7385] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7384] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7383] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7382] <... openat resumed>) = 4 [pid 7381] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... setsockopt resumed>) = 0 [pid 7385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7384] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] write(4, "5", 1 [pid 7386] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7384] <... futex resumed>) = 1 [pid 7383] <... futex resumed>) = 1 [pid 7386] <... futex resumed>) = 0 [pid 7385] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7384] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7386] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7385] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 280.794551][ T7381] FAULT_INJECTION: forcing a failure. [ 280.794551][ T7381] name fail_futex, interval 1, probability 0, space 0, times 0 [ 280.808461][ T7381] CPU: 0 PID: 7381 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 280.819097][ T7381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 280.822984][ T7384] FAULT_INJECTION: forcing a failure. [ 280.822984][ T7384] name fail_futex, interval 1, probability 0, space 0, times 0 [ 280.829163][ T7381] Call Trace: [ 280.829173][ T7381] [ 280.829182][ T7381] dump_stack_lvl+0xcd/0x134 [ 280.829213][ T7381] should_fail.cold+0x5/0xa [ 280.829240][ T7381] get_futex_key+0x5b2/0x1c50 [ 280.862095][ T7381] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 280.868088][ T7381] ? futex_setup_timer+0xf0/0xf0 [ 280.873035][ T7381] futex_wake+0xe4/0x490 [ 280.877283][ T7381] ? futex_wake_mark+0x1a0/0x1a0 [ 280.882222][ T7381] ? ptrace_stop.part.0+0x5ec/0xa80 [ 280.887427][ T7381] ? do_raw_spin_lock+0x120/0x2a0 [ 280.892455][ T7381] ? rwlock_bug.part.0+0x90/0x90 [ 280.897428][ T7381] ? _raw_spin_lock_irq+0x41/0x50 [ 280.902465][ T7381] do_futex+0x266/0x300 [ 280.906624][ T7381] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 280.912526][ T7381] ? find_held_lock+0x2d/0x110 [ 280.917305][ T7381] __x64_sys_futex+0x1b0/0x4a0 [ 280.922074][ T7381] ? do_futex+0x300/0x300 [ 280.926407][ T7381] ? _raw_spin_unlock_irq+0x1f/0x40 [ 280.931610][ T7381] ? lockdep_hardirqs_on+0x79/0x100 [ 280.936816][ T7381] ? _raw_spin_unlock_irq+0x2a/0x40 [ 280.942025][ T7381] ? ptrace_notify+0xfa/0x140 [ 280.946709][ T7381] do_syscall_64+0x35/0xb0 [ 280.951129][ T7381] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 280.957029][ T7381] RIP: 0033:0x7fc128117db9 [ 280.961454][ T7381] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 280.981062][ T7381] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7380] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... futex resumed>) = 0 [pid 7385] <... futex resumed>) = 0 [pid 7382] <... write resumed>) = 1 [pid 7380] <... futex resumed>) = 1 [pid 7379] <... futex resumed>) = 1 [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7378] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = 0 [pid 7383] <... futex resumed>) = 0 [pid 7379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] <... futex resumed>) = 1 [pid 7377] <... futex resumed>) = 1 [pid 7384] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7383] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7379] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... setsockopt resumed>) = 0 [pid 7383] <... setsockopt resumed>) = 0 [pid 7379] <... futex resumed>) = 0 [pid 7384] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... futex resumed>) = 1 [pid 7383] <... futex resumed>) = 1 [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7384] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7384] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7383] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... sendto resumed>) = 1 [pid 7383] <... sendto resumed>) = 1 [pid 7384] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = 1 [pid 7383] <... futex resumed>) = 1 [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7384] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7384] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7383] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7383] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7384] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = 1 [pid 7383] <... futex resumed>) = 1 [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7384] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7378] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7377] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7384] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7378] <... futex resumed>) = 0 [pid 7377] <... futex resumed>) = 0 [pid 7384] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7383] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7378] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7384] <... openat resumed>) = 4 [pid 7383] <... openat resumed>) = 4 [pid 7384] write(4, "5", 1 [pid 7383] write(4, "5", 1 [pid 7384] <... write resumed>) = 1 [pid 7383] <... write resumed>) = 1 [pid 7384] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7383] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7384] <... setsockopt resumed>) = 0 [pid 7383] <... setsockopt resumed>) = 0 [ 280.989501][ T7381] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 280.997477][ T7381] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 281.005447][ T7381] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 281.013433][ T7381] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 281.021429][ T7381] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 281.029419][ T7381] [ 281.033906][ T7384] CPU: 1 PID: 7384 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7384] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7385] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7382] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7381] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7378] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7377] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7372] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7386] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7385] <... setsockopt resumed>) = 0 [pid 7382] <... setsockopt resumed>) = 0 [pid 7378] exit_group(0 [pid 7386] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7378] <... exit_group resumed>) = ? [pid 7386] <... futex resumed>) = 1 [pid 7385] <... futex resumed>) = 0 [pid 7382] <... futex resumed>) = 0 [pid 7380] <... futex resumed>) = 0 [pid 7386] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7385] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7382] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] <... futex resumed>) = 0 [pid 7371] exit_group(0 [pid 7386] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7382] <... futex resumed>) = ? [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7371] <... exit_group resumed>) = ? [pid 7386] <... setsockopt resumed>) = 0 [pid 7382] +++ exited with 0 +++ [pid 7371] +++ exited with 0 +++ [pid 7386] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7380] <... futex resumed>) = 0 [pid 7386] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] <... futex resumed>) = 0 [pid 7386] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] <... sendto resumed>) = 1 [pid 7386] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7380] <... futex resumed>) = 0 [pid 7386] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] <... futex resumed>) = 0 [pid 7386] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7386] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7380] <... futex resumed>) = 0 [pid 7386] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] <... futex resumed>) = 0 [pid 7386] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7380] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] <... openat resumed>) = 4 [pid 7386] write(4, "5", 1) = 1 [pid 7386] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7386] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] <... futex resumed>) = ? [pid 7381] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] +++ exited with 0 +++ [pid 7378] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7378, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7387 ./strace-static-x86_64: Process 7387 attached [pid 7387] set_robust_list(0x5555564f35e0, 24) = 0 [ 281.044537][ T7384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 281.054402][ T7386] FAULT_INJECTION: forcing a failure. [ 281.054402][ T7386] name fail_futex, interval 1, probability 0, space 0, times 0 [ 281.054614][ T7384] Call Trace: [ 281.054624][ T7384] [ 281.073585][ T7384] dump_stack_lvl+0xcd/0x134 [ 281.078248][ T7384] should_fail.cold+0x5/0xa [ 281.082792][ T7384] get_futex_key+0x5b2/0x1c50 [ 281.087500][ T7384] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 7387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7387] setpgid(0, 0) = 0 [pid 7387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7380] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7387] write(3, "1000", 4 [pid 7380] exit_group(0 [pid 7387] <... write resumed>) = 4 [pid 7380] <... exit_group resumed>) = ? [pid 7387] close(3) = 0 [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7387] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7387] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7388], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7388 [pid 7387] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7379] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] <... futex resumed>) = 0 [pid 7379] <... futex resumed>) = 1 [pid 7385] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] <... sendto resumed>) = 1 [pid 7385] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7379] <... futex resumed>) = 0 [pid 7385] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7388 attached [pid 7385] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] set_robust_list(0x7fc1280c99e0, 24 [pid 7385] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7388] <... set_robust_list resumed>) = 0 [pid 7385] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7385] <... futex resumed>) = 1 [pid 7379] <... futex resumed>) = 0 [pid 7388] <... socket resumed>) = 3 [pid 7385] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7379] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7379] <... futex resumed>) = 0 [pid 7388] <... futex resumed>) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7385] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7379] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 281.093515][ T7384] ? futex_setup_timer+0xf0/0xf0 [ 281.098495][ T7384] futex_wake+0xe4/0x490 [ 281.102768][ T7384] ? futex_wake_mark+0x1a0/0x1a0 [ 281.107728][ T7384] ? ptrace_stop.part.0+0x5ec/0xa80 [ 281.112943][ T7384] ? do_raw_spin_lock+0x120/0x2a0 [ 281.118078][ T7384] ? rwlock_bug.part.0+0x90/0x90 [ 281.123059][ T7384] ? _raw_spin_lock_irq+0x41/0x50 [ 281.128129][ T7384] do_futex+0x266/0x300 [ 281.132330][ T7384] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 281.138259][ T7384] ? find_held_lock+0x2d/0x110 [pid 7387] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... openat resumed>) = 4 [pid 7388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] <... futex resumed>) = 0 [pid 7385] write(4, "5", 1 [pid 7388] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7385] <... write resumed>) = 1 [pid 7388] <... setsockopt resumed>) = 0 [pid 7385] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7388] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7385] <... setsockopt resumed>) = 0 [pid 7388] <... futex resumed>) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7385] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] <... futex resumed>) = 0 [pid 7388] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] <... setsockopt resumed>) = 0 [pid 7388] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7388] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] <... futex resumed>) = 0 [pid 7388] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] <... setsockopt resumed>) = 0 [pid 7388] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7388] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] <... futex resumed>) = 0 [pid 7388] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] <... sendto resumed>) = 1 [pid 7388] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7388] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 281.143067][ T7384] __x64_sys_futex+0x1b0/0x4a0 [ 281.147884][ T7384] ? do_futex+0x300/0x300 [ 281.152240][ T7384] ? _raw_spin_unlock_irq+0x1f/0x40 [ 281.157461][ T7384] ? lockdep_hardirqs_on+0x79/0x100 [ 281.160140][ T7385] FAULT_INJECTION: forcing a failure. [ 281.160140][ T7385] name fail_futex, interval 1, probability 0, space 0, times 0 [ 281.162691][ T7384] ? _raw_spin_unlock_irq+0x2a/0x40 [ 281.162724][ T7384] ? ptrace_notify+0xfa/0x140 [ 281.162754][ T7384] do_syscall_64+0x35/0xb0 [ 281.189832][ T7384] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 7387] <... futex resumed>) = 0 [pid 7379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7388] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7379] exit_group(0 [pid 7388] <... sendto resumed>) = 1 [pid 7379] <... exit_group resumed>) = ? [pid 7388] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7388] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] <... futex resumed>) = 0 [pid 7388] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7387] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7388] <... openat resumed>) = 4 [pid 7388] write(4, "5", 1) = 1 [pid 7388] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7388] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7387] <... futex resumed>) = 0 [pid 7388] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] exit_group(0 [pid 7388] <... futex resumed>) = ? [pid 7387] <... exit_group resumed>) = ? [pid 7388] +++ exited with 0 +++ [pid 7387] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7387, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7389 ./strace-static-x86_64: Process 7389 attached [pid 7389] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7389] setpgid(0, 0) = 0 [pid 7389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 281.195854][ T7384] RIP: 0033:0x7fc128117db9 [ 281.200289][ T7384] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 281.219920][ T7384] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 281.228377][ T7384] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 281.236376][ T7384] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7389] write(3, "1000", 4) = 4 [pid 7389] close(3) = 0 [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7389] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7389] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7390], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7390 [pid 7389] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 281.244373][ T7384] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 281.252367][ T7384] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 281.260359][ T7384] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 281.268456][ T7384] [ 281.271494][ T7385] CPU: 0 PID: 7385 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 281.282018][ T7385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 281.292161][ T7385] Call Trace: [ 281.295436][ T7385] [ 281.298366][ T7385] dump_stack_lvl+0xcd/0x134 [ 281.302968][ T7385] should_fail.cold+0x5/0xa [ 281.307478][ T7385] get_futex_key+0x5b2/0x1c50 [ 281.312157][ T7385] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 281.318144][ T7385] ? futex_setup_timer+0xf0/0xf0 [ 281.323092][ T7385] futex_wake+0xe4/0x490 [ 281.327343][ T7385] ? futex_wake_mark+0x1a0/0x1a0 [ 281.332285][ T7385] ? ptrace_stop.part.0+0x5ec/0xa80 [ 281.337516][ T7385] ? do_raw_spin_lock+0x120/0x2a0 [ 281.342566][ T7385] ? rwlock_bug.part.0+0x90/0x90 [ 281.347504][ T7385] ? _raw_spin_lock_irq+0x41/0x50 [ 281.352536][ T7385] do_futex+0x266/0x300 [ 281.356698][ T7385] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 281.362591][ T7385] ? find_held_lock+0x2d/0x110 [ 281.367369][ T7385] __x64_sys_futex+0x1b0/0x4a0 [ 281.372142][ T7385] ? do_futex+0x300/0x300 [ 281.376474][ T7385] ? _raw_spin_unlock_irq+0x1f/0x40 [ 281.381690][ T7385] ? lockdep_hardirqs_on+0x79/0x100 [ 281.386907][ T7385] ? _raw_spin_unlock_irq+0x2a/0x40 [ 281.392109][ T7385] ? ptrace_notify+0xfa/0x140 [ 281.396789][ T7385] do_syscall_64+0x35/0xb0 [ 281.401207][ T7385] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 281.407105][ T7385] RIP: 0033:0x7fc128117db9 [ 281.411520][ T7385] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 281.431130][ T7385] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 281.439543][ T7385] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7377] exit_group(0 [pid 7372] exit_group(0./strace-static-x86_64: Process 7390 attached [ 281.447513][ T7385] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 281.455487][ T7385] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 281.463467][ T7385] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 281.471440][ T7385] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 281.479421][ T7385] [pid 7390] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7390] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7390] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7390] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7389] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... setsockopt resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7390] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7390] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7389] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... setsockopt resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7390] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7390] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... futex resumed>) = 0 [pid 7390] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... setsockopt resumed>) = 0 [pid 7390] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7390] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... futex resumed>) = 0 [pid 7390] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... sendto resumed>) = 1 [pid 7390] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7390] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7389] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... sendto resumed>) = 1 [pid 7389] <... futex resumed>) = 0 [pid 7390] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... futex resumed>) = 0 [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7390] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... futex resumed>) = 0 [pid 7390] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7389] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] <... openat resumed>) = 4 [pid 7390] write(4, "5", 1) = 1 [pid 7390] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7390] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7389] <... futex resumed>) = 0 [ 281.488799][ T7386] CPU: 1 PID: 7386 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 281.499389][ T7386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 281.509473][ T7386] Call Trace: [ 281.512777][ T7386] [ 281.515738][ T7386] dump_stack_lvl+0xcd/0x134 [ 281.520372][ T7386] should_fail.cold+0x5/0xa [ 281.524902][ T7386] get_futex_key+0x5b2/0x1c50 [ 281.529608][ T7386] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 281.535628][ T7386] ? futex_setup_timer+0xf0/0xf0 [ 281.540611][ T7386] futex_wake+0xe4/0x490 [pid 7390] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] exit_group(0 [pid 7381] <... futex resumed>) = ? [pid 7377] <... exit_group resumed>) = ? [pid 7372] <... exit_group resumed>) = ? [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7371, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7390] <... futex resumed>) = ? [pid 7389] <... exit_group resumed>) = ? [pid 7381] +++ exited with 0 +++ [pid 7372] +++ exited with 0 +++ [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7390] +++ exited with 0 +++ [pid 7389] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7372, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7391 [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7389, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7392 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7393 [ 281.544888][ T7386] ? futex_wake_mark+0x1a0/0x1a0 [ 281.549855][ T7386] ? ptrace_stop.part.0+0x5ec/0xa80 [ 281.555088][ T7386] ? do_raw_spin_lock+0x120/0x2a0 [ 281.560149][ T7386] ? rwlock_bug.part.0+0x90/0x90 [ 281.565115][ T7386] ? _raw_spin_lock_irq+0x41/0x50 [ 281.570175][ T7386] do_futex+0x266/0x300 [ 281.574350][ T7386] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 281.580271][ T7386] ? find_held_lock+0x2d/0x110 [ 281.585076][ T7386] __x64_sys_futex+0x1b0/0x4a0 [ 281.589869][ T7386] ? do_futex+0x300/0x300 [ 281.594214][ T7386] ? _raw_spin_unlock_irq+0x1f/0x40 [ 281.599437][ T7386] ? lockdep_hardirqs_on+0x79/0x100 [ 281.604668][ T7386] ? _raw_spin_unlock_irq+0x2a/0x40 [ 281.609888][ T7386] ? ptrace_notify+0xfa/0x140 [ 281.614592][ T7386] do_syscall_64+0x35/0xb0 [ 281.619031][ T7386] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 281.624950][ T7386] RIP: 0033:0x7fc128117db9 [ 281.629392][ T7386] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 281.649029][ T7386] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 281.657475][ T7386] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 281.665555][ T7386] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 281.673564][ T7386] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 281.681566][ T7386] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 281.689664][ T7386] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 ./strace-static-x86_64: Process 7393 attached ./strace-static-x86_64: Process 7392 attached ./strace-static-x86_64: Process 7391 attached [pid 7386] <... futex resumed>) = ? [pid 7385] <... futex resumed>) = ? [pid 7384] <... futex resumed>) = ? [pid 7393] set_robust_list(0x5555564f35e0, 24 [pid 7392] set_robust_list(0x5555564f35e0, 24 [pid 7391] set_robust_list(0x5555564f35e0, 24 [pid 7386] +++ exited with 0 +++ [pid 7385] +++ exited with 0 +++ [pid 7380] +++ exited with 0 +++ [pid 7379] +++ exited with 0 +++ [pid 7393] <... set_robust_list resumed>) = 0 [pid 7392] <... set_robust_list resumed>) = 0 [pid 7391] <... set_robust_list resumed>) = 0 [pid 7384] +++ exited with 0 +++ [pid 7377] +++ exited with 0 +++ [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7377, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7379, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7380, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7393] <... prctl resumed>) = 0 [pid 7392] <... prctl resumed>) = 0 [pid 7391] <... prctl resumed>) = 0 [pid 7393] setpgid(0, 0 [pid 7392] setpgid(0, 0 [pid 7391] setpgid(0, 0 [pid 7393] <... setpgid resumed>) = 0 [pid 7392] <... setpgid resumed>) = 0 [pid 7391] <... setpgid resumed>) = 0 [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7393] <... openat resumed>) = 3 [pid 7392] <... openat resumed>) = 3 [pid 7391] <... openat resumed>) = 3 [pid 7393] write(3, "1000", 4 [pid 7392] write(3, "1000", 4 [pid 7391] write(3, "1000", 4 [pid 7393] <... write resumed>) = 4 [pid 7392] <... write resumed>) = 4 [pid 7391] <... write resumed>) = 4 [pid 7393] close(3 [pid 7392] close(3 [pid 7391] close(3 [pid 7393] <... close resumed>) = 0 [pid 7392] <... close resumed>) = 0 [pid 7391] <... close resumed>) = 0 [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7392] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7393] <... mmap resumed>) = 0x7fc1280a9000 [pid 7392] <... mmap resumed>) = 0x7fc1280a9000 [pid 7391] <... mmap resumed>) = 0x7fc1280a9000 [pid 7393] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7392] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7391] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7393] <... mprotect resumed>) = 0 [pid 7392] <... mprotect resumed>) = 0 [pid 7391] <... mprotect resumed>) = 0 [pid 7393] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7392] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7391] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7393] <... clone resumed>, parent_tid=[7394], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7394 [pid 7392] <... clone resumed>, parent_tid=[7395], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7395 [pid 7391] <... clone resumed>, parent_tid=[7396], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7396 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7393] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7397 attached [pid 7397] set_robust_list(0x5555564f35e0, 24 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7397 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7398 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7399 [pid 7397] <... set_robust_list resumed>) = 0 [pid 7397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7397] setpgid(0, 0./strace-static-x86_64: Process 7399 attached ./strace-static-x86_64: Process 7395 attached ) = 0 [pid 7399] set_robust_list(0x5555564f35e0, 24 [pid 7397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7395] set_robust_list(0x7fc1280c99e0, 24 [pid 7399] <... set_robust_list resumed>) = 0 [pid 7397] <... openat resumed>) = 3 [pid 7395] <... set_robust_list resumed>) = 0 [pid 7399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7397] write(3, "1000", 4 [pid 7395] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7399] <... prctl resumed>) = 0 [pid 7397] <... write resumed>) = 4 [pid 7395] <... socket resumed>) = 3 [pid 7399] setpgid(0, 0 [pid 7397] close(3 [pid 7395] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... setpgid resumed>) = 0 [ 281.697681][ T7386] [pid 7397] <... close resumed>) = 0 [pid 7395] <... futex resumed>) = 1 [pid 7392] <... futex resumed>) = 0 [pid 7399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7392] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7398 attached [pid 7399] <... openat resumed>) = 3 [pid 7397] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7392] <... futex resumed>) = 0 [pid 7399] write(3, "1000", 4 [pid 7397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7395] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7399] <... write resumed>) = 4 [pid 7398] set_robust_list(0x5555564f35e0, 24 [pid 7397] <... mmap resumed>) = 0x7fc1280a9000 [pid 7395] <... setsockopt resumed>) = 0 [pid 7399] close(3 [pid 7398] <... set_robust_list resumed>) = 0 [pid 7397] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7395] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... close resumed>) = 0 [pid 7397] <... mprotect resumed>) = 0 [pid 7395] <... futex resumed>) = 1 [pid 7392] <... futex resumed>) = 0 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7397] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7395] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7392] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = 0 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7392] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7400 attached ./strace-static-x86_64: Process 7396 attached ./strace-static-x86_64: Process 7394 attached [pid 7398] <... prctl resumed>) = 0 [pid 7399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7397] <... clone resumed>, parent_tid=[7400], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7400 [pid 7395] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] setpgid(0, 0) = 0 [pid 7399] <... mmap resumed>) = 0x7fc1280a9000 [pid 7398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7397] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... setsockopt resumed>) = 0 [pid 7399] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7397] <... futex resumed>) = 0 [pid 7395] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... mprotect resumed>) = 0 [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7395] <... futex resumed>) = 1 [pid 7392] <... futex resumed>) = 0 [pid 7398] <... openat resumed>) = 3 [pid 7399] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7395] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7392] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] write(3, "1000", 4 [pid 7400] set_robust_list(0x7fc1280c99e0, 24 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7392] <... futex resumed>) = 0 [pid 7398] <... write resumed>) = 4 [pid 7400] <... set_robust_list resumed>) = 0 [pid 7399] <... clone resumed>, parent_tid=[7401], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7401 [pid 7398] close(3 [pid 7395] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7401 attached [pid 7400] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7399] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] <... close resumed>) = 0 [pid 7396] set_robust_list(0x7fc1280c99e0, 24 [pid 7395] <... setsockopt resumed>) = 0 [pid 7394] set_robust_list(0x7fc1280c99e0, 24 [pid 7401] set_robust_list(0x7fc1280c99e0, 24 [pid 7400] <... socket resumed>) = 3 [pid 7399] <... futex resumed>) = 0 [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... set_robust_list resumed>) = 0 [pid 7395] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... set_robust_list resumed>) = 0 [pid 7400] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] <... futex resumed>) = 0 [pid 7396] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7395] <... futex resumed>) = 1 [pid 7394] <... set_robust_list resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7401] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7400] <... futex resumed>) = 1 [pid 7398] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... socket resumed>) = 3 [pid 7395] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7392] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... socket resumed>) = 3 [pid 7400] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] <... mmap resumed>) = 0x7fc1280a9000 [pid 7397] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] <... socket resumed>) = 3 [pid 7392] <... futex resumed>) = 0 [pid 7401] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 1 [pid 7395] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7394] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... futex resumed>) = 0 [pid 7401] <... futex resumed>) = 1 [pid 7400] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7399] <... futex resumed>) = 0 [pid 7398] <... mprotect resumed>) = 0 [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7395] <... sendto resumed>) = 1 [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... setsockopt resumed>) = 0 [pid 7399] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7395] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = 0 [pid 7396] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7395] <... futex resumed>) = 1 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7401] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7400] <... futex resumed>) = 1 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7398] <... clone resumed>, parent_tid=[7402], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7402 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... setsockopt resumed>) = 0 [pid 7395] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7402 attached [pid 7401] <... setsockopt resumed>) = 0 [pid 7400] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] <... setsockopt resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7402] set_robust_list(0x7fc1280c99e0, 24 [pid 7401] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = 0 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 1 [pid 7395] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7394] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... futex resumed>) = 0 [pid 7402] <... set_robust_list resumed>) = 0 [pid 7401] <... futex resumed>) = 1 [pid 7400] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7399] <... futex resumed>) = 0 [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7395] <... sendto resumed>) = 1 [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7401] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7399] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7395] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7402] <... socket resumed>) = 3 [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = 0 [pid 7396] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7395] <... futex resumed>) = 1 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7400] <... futex resumed>) = 1 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] <... futex resumed>) = 0 [pid 7396] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7395] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] <... futex resumed>) = 1 [pid 7401] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7400] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7392] <... futex resumed>) = 0 [pid 7402] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 1 [pid 7395] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7394] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] <... futex resumed>) = 0 [pid 7402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7401] <... futex resumed>) = 1 [pid 7400] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7399] <... futex resumed>) = 0 [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7395] <... openat resumed>) = 4 [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7401] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... setsockopt resumed>) = 0 [pid 7399] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7395] write(4, "5", 1 [pid 7394] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7402] <... setsockopt resumed>) = 0 [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = 0 [pid 7396] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7395] <... write resumed>) = 1 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7400] <... futex resumed>) = 1 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] <... futex resumed>) = 0 [pid 7396] <... setsockopt resumed>) = 0 [pid 7395] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7394] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] <... futex resumed>) = 1 [pid 7401] <... setsockopt resumed>) = 0 [pid 7400] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] <... setsockopt resumed>) = 0 [pid 7394] <... setsockopt resumed>) = 0 [pid 7402] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 1 [pid 7395] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7401] <... futex resumed>) = 1 [pid 7400] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7399] <... futex resumed>) = 0 [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7395] <... futex resumed>) = 1 [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7392] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7401] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... sendto resumed>) = 1 [pid 7399] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7395] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7392] exit_group(0 [pid 7391] <... futex resumed>) = 0 [pid 7402] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = 0 [pid 7396] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7395] <... futex resumed>) = ? [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7392] <... exit_group resumed>) = ? [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7400] <... futex resumed>) = 1 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] <... futex resumed>) = 0 [pid 7396] <... sendto resumed>) = 1 [pid 7395] +++ exited with 0 +++ [pid 7394] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7392] +++ exited with 0 +++ [pid 7402] <... futex resumed>) = 1 [pid 7401] <... sendto resumed>) = 1 [pid 7400] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... sendto resumed>) = 1 [pid 7402] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 1 [pid 7394] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7401] <... futex resumed>) = 1 [pid 7400] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7399] <... futex resumed>) = 0 [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7392, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7402] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7401] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7399] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7402] <... setsockopt resumed>) = 0 [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7399] <... futex resumed>) = 0 [pid 7396] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7400] <... futex resumed>) = 1 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] <... futex resumed>) = 0 [pid 7396] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7394] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] <... futex resumed>) = 1 [pid 7401] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7400] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7403 [pid 7402] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = 0 [pid 7396] <... futex resumed>) = 1 [pid 7394] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7403 attached [pid 7402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7401] <... futex resumed>) = 1 [pid 7400] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7399] <... futex resumed>) = 0 [pid 7398] <... futex resumed>) = 0 [pid 7397] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] <... futex resumed>) = 1 [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] set_robust_list(0x5555564f35e0, 24 [pid 7402] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7401] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... openat resumed>) = 4 [pid 7399] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7393] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = 0 [pid 7403] <... set_robust_list resumed>) = 0 [pid 7401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] write(4, "5", 1 [pid 7399] <... futex resumed>) = 0 [pid 7396] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... futex resumed>) = 0 [pid 7391] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7402] <... sendto resumed>) = 1 [pid 7401] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7400] <... write resumed>) = 1 [pid 7399] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7396] <... openat resumed>) = 4 [pid 7394] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7393] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] <... prctl resumed>) = 0 [pid 7402] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7401] <... openat resumed>) = 4 [pid 7400] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7396] write(4, "5", 1 [pid 7394] <... openat resumed>) = 4 [pid 7403] setpgid(0, 0 [pid 7402] <... futex resumed>) = 1 [pid 7401] write(4, "5", 1 [pid 7400] <... setsockopt resumed>) = 0 [pid 7398] <... futex resumed>) = 0 [pid 7396] <... write resumed>) = 1 [pid 7394] write(4, "5", 1 [pid 7403] <... setpgid resumed>) = 0 [pid 7402] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7401] <... write resumed>) = 1 [pid 7400] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7394] <... write resumed>) = 1 [pid 7403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7402] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7401] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7396] <... setsockopt resumed>) = 0 [pid 7394] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7403] <... openat resumed>) = 3 [pid 7401] <... setsockopt resumed>) = 0 [pid 7396] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] <... setsockopt resumed>) = 0 [pid 7403] write(3, "1000", 4 [pid 7402] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7401] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] <... futex resumed>) = 0 [ 281.866025][ T7400] FAULT_INJECTION: forcing a failure. [ 281.866025][ T7400] name fail_futex, interval 1, probability 0, space 0, times 0 [ 281.881413][ T7396] FAULT_INJECTION: forcing a failure. [ 281.881413][ T7396] name fail_futex, interval 1, probability 0, space 0, times 0 [ 281.895479][ T7401] FAULT_INJECTION: forcing a failure. [ 281.895479][ T7401] name fail_futex, interval 1, probability 0, space 0, times 0 [ 281.909123][ T7394] FAULT_INJECTION: forcing a failure. [pid 7394] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... write resumed>) = 4 [pid 7402] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7393] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7403] close(3 [pid 7399] exit_group(0 [pid 7397] exit_group(0 [pid 7393] exit_group(0 [pid 7391] exit_group(0 [pid 7403] <... close resumed>) = 0 [pid 7399] <... exit_group resumed>) = ? [pid 7397] <... exit_group resumed>) = ? [pid 7393] <... exit_group resumed>) = ? [pid 7391] <... exit_group resumed>) = ? [pid 7403] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7403] <... futex resumed>) = 0 [pid 7402] <... futex resumed>) = 0 [pid 7398] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7402] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7403] <... mmap resumed>) = 0x7fc1280a9000 [pid 7398] <... futex resumed>) = 0 [pid 7403] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7403] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7402] <... openat resumed>) = 4 [pid 7398] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] <... clone resumed>, parent_tid=[7404], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7404 [pid 7403] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] write(4, "5", 1 [pid 7403] <... futex resumed>) = 0 [pid 7402] <... write resumed>) = 1 [ 281.909123][ T7394] name fail_futex, interval 1, probability 0, space 0, times 0 [ 281.929883][ T7400] CPU: 1 PID: 7400 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 281.940525][ T7400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 281.950690][ T7400] Call Trace: [ 281.953982][ T7400] [ 281.956924][ T7400] dump_stack_lvl+0xcd/0x134 [ 281.961541][ T7400] should_fail.cold+0x5/0xa [ 281.966065][ T7400] get_futex_key+0x5b2/0x1c50 [ 281.970764][ T7400] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 281.976768][ T7400] ? futex_setup_timer+0xf0/0xf0 [ 281.981737][ T7400] futex_wake+0xe4/0x490 [ 281.986000][ T7400] ? futex_wake_mark+0x1a0/0x1a0 [ 281.990959][ T7400] ? ptrace_stop.part.0+0x5ec/0xa80 [ 281.996173][ T7400] ? do_raw_spin_lock+0x120/0x2a0 [ 282.001208][ T7400] ? rwlock_bug.part.0+0x90/0x90 [ 282.006158][ T7400] ? _raw_spin_lock_irq+0x41/0x50 [ 282.011198][ T7400] do_futex+0x266/0x300 [ 282.015402][ T7400] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 282.021312][ T7400] ? find_held_lock+0x2d/0x110 [ 282.026102][ T7400] __x64_sys_futex+0x1b0/0x4a0 [ 282.030886][ T7400] ? do_futex+0x300/0x300 [ 282.035224][ T7400] ? _raw_spin_unlock_irq+0x1f/0x40 [ 282.040439][ T7400] ? lockdep_hardirqs_on+0x79/0x100 [ 282.045650][ T7400] ? _raw_spin_unlock_irq+0x2a/0x40 [ 282.050867][ T7400] ? ptrace_notify+0xfa/0x140 [ 282.055563][ T7400] do_syscall_64+0x35/0xb0 [ 282.059989][ T7400] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 282.065893][ T7400] RIP: 0033:0x7fc128117db9 [ 282.070352][ T7400] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 282.089979][ T7400] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 282.098403][ T7400] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 282.106380][ T7400] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 282.114395][ T7400] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 282.122468][ T7400] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 282.130531][ T7400] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 282.138538][ T7400] [ 282.144297][ T7396] CPU: 0 PID: 7396 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 282.154829][ T7396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 282.164886][ T7396] Call Trace: [ 282.168163][ T7396] [ 282.171096][ T7396] dump_stack_lvl+0xcd/0x134 [ 282.175701][ T7396] should_fail.cold+0x5/0xa [ 282.180214][ T7396] get_futex_key+0x5b2/0x1c50 [ 282.184896][ T7396] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 282.190884][ T7396] ? futex_setup_timer+0xf0/0xf0 [ 282.196018][ T7396] futex_wake+0xe4/0x490 [ 282.200265][ T7396] ? futex_wake_mark+0x1a0/0x1a0 [ 282.205225][ T7396] ? ptrace_stop.part.0+0x5ec/0xa80 [ 282.210441][ T7396] ? do_raw_spin_lock+0x120/0x2a0 [ 282.215476][ T7396] ? rwlock_bug.part.0+0x90/0x90 [ 282.220412][ T7396] ? _raw_spin_lock_irq+0x41/0x50 [ 282.225448][ T7396] do_futex+0x266/0x300 [ 282.229606][ T7396] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 282.235517][ T7396] ? find_held_lock+0x2d/0x110 [ 282.240294][ T7396] __x64_sys_futex+0x1b0/0x4a0 [ 282.245063][ T7396] ? do_futex+0x300/0x300 [ 282.249395][ T7396] ? _raw_spin_unlock_irq+0x1f/0x40 [ 282.254687][ T7396] ? lockdep_hardirqs_on+0x79/0x100 [ 282.259890][ T7396] ? _raw_spin_unlock_irq+0x2a/0x40 [ 282.265094][ T7396] ? ptrace_notify+0xfa/0x140 [ 282.269865][ T7396] do_syscall_64+0x35/0xb0 [ 282.274288][ T7396] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 282.280188][ T7396] RIP: 0033:0x7fc128117db9 [ 282.284610][ T7396] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 282.304223][ T7396] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 282.312640][ T7396] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 282.320706][ T7396] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 282.328683][ T7396] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 282.336654][ T7396] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 282.344623][ T7396] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 282.352607][ T7396] [ 282.355889][ T7401] CPU: 0 PID: 7401 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 282.366421][ T7401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 282.376521][ T7401] Call Trace: [ 282.379801][ T7401] [ 282.382731][ T7401] dump_stack_lvl+0xcd/0x134 [ 282.387359][ T7401] should_fail.cold+0x5/0xa [ 282.391886][ T7401] get_futex_key+0x5b2/0x1c50 [ 282.396579][ T7401] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 282.402662][ T7401] ? futex_setup_timer+0xf0/0xf0 [ 282.407613][ T7401] futex_wake+0xe4/0x490 [ 282.411876][ T7401] ? futex_wake_mark+0x1a0/0x1a0 [ 282.416821][ T7401] ? ptrace_stop.part.0+0x5ec/0xa80 [ 282.422025][ T7401] ? do_raw_spin_lock+0x120/0x2a0 [ 282.427056][ T7401] ? rwlock_bug.part.0+0x90/0x90 [ 282.431996][ T7401] ? _raw_spin_lock_irq+0x41/0x50 [ 282.437031][ T7401] do_futex+0x266/0x300 [ 282.441202][ T7401] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 282.447100][ T7401] ? find_held_lock+0x2d/0x110 [ 282.451873][ T7401] __x64_sys_futex+0x1b0/0x4a0 [ 282.456641][ T7401] ? do_futex+0x300/0x300 [ 282.460968][ T7401] ? _raw_spin_unlock_irq+0x1f/0x40 [ 282.466171][ T7401] ? lockdep_hardirqs_on+0x79/0x100 [ 282.471395][ T7401] ? _raw_spin_unlock_irq+0x2a/0x40 [ 282.476600][ T7401] ? ptrace_notify+0xfa/0x140 [ 282.481282][ T7401] do_syscall_64+0x35/0xb0 [ 282.485960][ T7401] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 282.491858][ T7401] RIP: 0033:0x7fc128117db9 [ 282.496281][ T7401] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7403] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9./strace-static-x86_64: Process 7404 attached [pid 7403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7398] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7403] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7403] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7403] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7405], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7405 [pid 7403] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7403] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7405 attached [pid 7405] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7405] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 7405] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = 0 [pid 7403] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7403] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7405] <... futex resumed>) = 1 [pid 7405] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [pid 7405] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = 0 [pid 7403] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7403] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7405] <... futex resumed>) = 1 [pid 7405] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = -1 EBADF (Bad file descriptor) [pid 7405] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = 0 [pid 7403] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7403] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7405] <... futex resumed>) = 1 [pid 7405] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = -1 EBADF (Bad file descriptor) [pid 7405] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = 0 [pid 7403] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7405] <... futex resumed>) = 1 [pid 7403] <... futex resumed>) = 0 [pid 7405] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7403] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7405] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7405] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7403] <... futex resumed>) = 0 [pid 7405] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7403] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7405] <... openat resumed>) = 3 [pid 7403] <... futex resumed>) = 0 [pid 7405] write(3, "5", 1 [pid 7403] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7405] <... write resumed>) = 1 [pid 7405] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 7405] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7403] <... futex resumed>) = 0 [ 282.515893][ T7401] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 282.524308][ T7401] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 282.532279][ T7401] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 282.540253][ T7401] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 282.548236][ T7401] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 282.556207][ T7401] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 282.564222][ T7401] [pid 7405] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7404] set_robust_list(0x7fc1280c99e0, 24 [pid 7402] <... setsockopt resumed>) = 0 [pid 7404] <... set_robust_list resumed>) = 0 [pid 7402] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7396] <... futex resumed>) = ? [pid 7404] <... socket resumed>) = 4 [pid 7398] exit_group(0 [pid 7404] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7398] <... exit_group resumed>) = ? [pid 7404] <... futex resumed>) = 0 [pid 7404] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... futex resumed>) = ? [ 282.569390][ T7402] FAULT_INJECTION: forcing a failure. [ 282.569390][ T7402] name fail_futex, interval 1, probability 0, space 0, times 0 [ 282.571226][ T7394] CPU: 1 PID: 7394 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 282.592687][ T7394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 282.602773][ T7394] Call Trace: [ 282.606069][ T7394] [ 282.609018][ T7394] dump_stack_lvl+0xcd/0x134 [ 282.613642][ T7394] should_fail.cold+0x5/0xa [pid 7396] +++ exited with 0 +++ [pid 7400] +++ exited with 0 +++ [pid 7397] +++ exited with 0 +++ [pid 7391] +++ exited with 0 +++ [pid 7403] exit_group(0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7391, si_uid=0, si_status=0, si_utime=0, si_stime=28} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7397, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 7405] <... futex resumed>) = ? [pid 7404] <... futex resumed>) = ? [pid 7403] <... exit_group resumed>) = ? [pid 7404] +++ exited with 0 +++ [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7406 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7407 ./strace-static-x86_64: Process 7407 attached [pid 7407] set_robust_list(0x5555564f35e0, 24) = 0 [ 282.618173][ T7394] get_futex_key+0x5b2/0x1c50 [ 282.622866][ T7394] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 282.628874][ T7394] ? futex_setup_timer+0xf0/0xf0 [ 282.630057][ T7405] FAULT_INJECTION: forcing a failure. [ 282.630057][ T7405] name fail_futex, interval 1, probability 0, space 0, times 0 [ 282.633834][ T7394] futex_wake+0xe4/0x490 [ 282.633868][ T7394] ? futex_wake_mark+0x1a0/0x1a0 [ 282.655836][ T7394] ? ptrace_stop.part.0+0x5ec/0xa80 [ 282.661065][ T7394] ? do_raw_spin_lock+0x120/0x2a0 [pid 7407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7407] setpgid(0, 0) = 0 [pid 7407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7407] write(3, "1000", 4./strace-static-x86_64: Process 7406 attached ) = 4 [pid 7407] close(3 [pid 7406] set_robust_list(0x5555564f35e0, 24 [pid 7407] <... close resumed>) = 0 [pid 7406] <... set_robust_list resumed>) = 0 [pid 7407] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7407] <... futex resumed>) = 0 [pid 7406] <... prctl resumed>) = 0 [pid 7407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7406] setpgid(0, 0 [pid 7407] <... mmap resumed>) = 0x7fc1280a9000 [pid 7406] <... setpgid resumed>) = 0 [pid 7407] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7407] <... mprotect resumed>) = 0 [pid 7406] <... openat resumed>) = 3 [pid 7407] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7406] write(3, "1000", 4) = 4 [pid 7407] <... clone resumed>, parent_tid=[7408], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7408 [ 282.666116][ T7394] ? rwlock_bug.part.0+0x90/0x90 [ 282.671063][ T7394] ? _raw_spin_lock_irq+0x41/0x50 [ 282.676112][ T7394] do_futex+0x266/0x300 [ 282.680292][ T7394] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 282.686208][ T7394] ? find_held_lock+0x2d/0x110 [ 282.691007][ T7394] __x64_sys_futex+0x1b0/0x4a0 [ 282.695801][ T7394] ? do_futex+0x300/0x300 [ 282.700155][ T7394] ? _raw_spin_unlock_irq+0x1f/0x40 [ 282.705384][ T7394] ? lockdep_hardirqs_on+0x79/0x100 [ 282.710617][ T7394] ? _raw_spin_unlock_irq+0x2a/0x40 [pid 7406] close(3 [pid 7407] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... close resumed>) = 0 [pid 7407] <... futex resumed>) = 0 [pid 7406] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] <... futex resumed>) = 0 [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7406] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7406] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7409], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7409 [pid 7406] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 282.715840][ T7394] ? ptrace_notify+0xfa/0x140 [ 282.720549][ T7394] do_syscall_64+0x35/0xb0 [ 282.725028][ T7394] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 282.730950][ T7394] RIP: 0033:0x7fc128117db9 [ 282.735383][ T7394] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 282.755010][ T7394] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7406] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7407] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7407] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7407] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7410], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7410 [pid 7407] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7410 attached ./strace-static-x86_64: Process 7409 attached ./strace-static-x86_64: Process 7408 attached ) = 0 [pid 7406] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7401] <... futex resumed>) = ? [pid 7394] <... futex resumed>) = ? [pid 7410] set_robust_list(0x7fc1280a89e0, 24 [pid 7409] set_robust_list(0x7fc1280c99e0, 24 [pid 7407] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... set_robust_list resumed>) = 0 [pid 7409] <... set_robust_list resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [ 282.763448][ T7394] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 282.771440][ T7394] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 282.779467][ T7394] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 282.787547][ T7394] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 282.795549][ T7394] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 282.803545][ T7394] [ 282.808550][ T7402] CPU: 1 PID: 7402 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7410] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7409] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7410] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] <... socket resumed>) = 3 [pid 7406] <... mmap resumed>) = 0x7fc128088000 [pid 7410] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7410] <... futex resumed>) = 1 [pid 7409] <... futex resumed>) = 0 [pid 7407] <... futex resumed>) = 0 [pid 7406] <... mprotect resumed>) = 0 [pid 7410] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7407] <... futex resumed>) = 0 [pid 7410] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7407] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] <... clone resumed>, parent_tid=[7411], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7411 [pid 7410] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7411 attached [pid 7410] <... futex resumed>) = 1 [pid 7407] <... futex resumed>) = 0 [pid 7406] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7411] set_robust_list(0x7fc1280a89e0, 24 [pid 7410] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... set_robust_list resumed>) = 0 [pid 7410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7407] <... futex resumed>) = 0 [pid 7411] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7410] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7407] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7411] <... setsockopt resumed>) = 0 [pid 7410] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] <... futex resumed>) = 1 [pid 7410] <... futex resumed>) = 1 [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [ 282.819099][ T7402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 282.829182][ T7402] Call Trace: [ 282.832486][ T7402] [ 282.835432][ T7402] dump_stack_lvl+0xcd/0x134 [ 282.840053][ T7402] should_fail.cold+0x5/0xa [ 282.844581][ T7402] get_futex_key+0x5b2/0x1c50 [ 282.849297][ T7402] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 282.855312][ T7402] ? finish_task_switch.isra.0+0x2b9/0xbb0 [ 282.861159][ T7402] ? futex_setup_timer+0xf0/0xf0 [ 282.866130][ T7402] futex_wake+0xe4/0x490 [pid 7411] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7410] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7409] <... futex resumed>) = 0 [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 1 [pid 7410] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7409] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7407] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] <... setsockopt resumed>) = 0 [pid 7410] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 1 [pid 7409] <... futex resumed>) = 1 [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7410] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7410] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7409] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7407] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] <... setsockopt resumed>) = 0 [pid 7410] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = 1 [pid 7409] <... futex resumed>) = 1 [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [pid 7410] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7407] <... futex resumed>) = 0 [pid 7406] <... futex resumed>) = 0 [ 282.870410][ T7402] ? futex_wake_mark+0x1a0/0x1a0 [ 282.875381][ T7402] ? ptrace_stop.part.0+0x5ec/0xa80 [ 282.880620][ T7402] ? do_raw_spin_lock+0x120/0x2a0 [ 282.885672][ T7402] ? rwlock_bug.part.0+0x90/0x90 [ 282.890620][ T7402] ? _raw_spin_lock_irq+0x41/0x50 [ 282.895669][ T7402] do_futex+0x266/0x300 [ 282.899856][ T7402] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 282.905777][ T7402] ? find_held_lock+0x2d/0x110 [ 282.910587][ T7402] __x64_sys_futex+0x1b0/0x4a0 [ 282.915383][ T7402] ? do_futex+0x300/0x300 [pid 7410] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7409] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7407] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... openat resumed>) = 3 [pid 7409] <... sendto resumed>) = 1 [pid 7410] write(3, "5", 1 [pid 7409] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... write resumed>) = 1 [pid 7409] <... futex resumed>) = 1 [pid 7406] <... futex resumed>) = 0 [pid 7410] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7409] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7410] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... futex resumed>) = 0 [pid 7410] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7406] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7410] <... futex resumed>) = 1 [pid 7409] <... sendto resumed>) = 1 [pid 7407] <... futex resumed>) = 0 [pid 7410] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7409] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7406] <... futex resumed>) = 0 [pid 7409] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] <... futex resumed>) = 0 [pid 7409] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7406] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] <... openat resumed>) = 4 [pid 7409] write(4, "5", 1) = 1 [pid 7409] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7409] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7406] <... futex resumed>) = 0 [pid 7409] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] exit_group(0 [pid 7411] <... futex resumed>) = ? [pid 7409] <... futex resumed>) = ? [pid 7406] <... exit_group resumed>) = ? [pid 7411] +++ exited with 0 +++ [pid 7409] +++ exited with 0 +++ [pid 7406] +++ exited with 0 +++ [ 282.919738][ T7402] ? _raw_spin_unlock_irq+0x1f/0x40 [ 282.924965][ T7402] ? lockdep_hardirqs_on+0x79/0x100 [ 282.930194][ T7402] ? _raw_spin_unlock_irq+0x2a/0x40 [ 282.935423][ T7402] ? ptrace_notify+0xfa/0x140 [ 282.940134][ T7402] do_syscall_64+0x35/0xb0 [ 282.944587][ T7402] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 282.950514][ T7402] RIP: 0033:0x7fc128117db9 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7406, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7412 ./strace-static-x86_64: Process 7412 attached [pid 7412] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7412] setpgid(0, 0) = 0 [pid 7412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7412] write(3, "1000", 4) = 4 [pid 7412] close(3) = 0 [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7412] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7412] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7413], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7413 [ 282.954950][ T7402] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 282.974591][ T7402] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 282.983036][ T7402] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 282.991030][ T7402] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 282.999010][ T7402] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 283.006996][ T7402] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7412] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7408] set_robust_list(0x7fc1280c99e0, 24./strace-static-x86_64: Process 7413 attached [pid 7401] +++ exited with 0 +++ [pid 7399] +++ exited with 0 +++ [pid 7394] +++ exited with 0 +++ [pid 7408] <... set_robust_list resumed>) = 0 [pid 7393] +++ exited with 0 +++ [pid 7413] set_robust_list(0x7fc1280c99e0, 24 [pid 7402] <... futex resumed>) = ? [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7399, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7393, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7413] <... set_robust_list resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 7413] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 3610] <... restart_syscall resumed>) = 0 [pid 7413] <... socket resumed>) = 3 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7413] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7412] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7414 [pid 7413] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7415 [pid 7413] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] <... setsockopt resumed>) = 0 [pid 7413] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7412] <... futex resumed>) = 0 [pid 7413] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 283.014995][ T7402] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 283.023013][ T7402] [ 283.035109][ T7405] CPU: 1 PID: 7405 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 283.045658][ T7405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 283.055735][ T7405] Call Trace: [ 283.059033][ T7405] [ 283.061984][ T7405] dump_stack_lvl+0xcd/0x134 [ 283.066612][ T7405] should_fail.cold+0x5/0xa [pid 7412] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7415 attached [pid 7413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] <... futex resumed>) = 0 [pid 7415] set_robust_list(0x5555564f35e0, 24 [pid 7413] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] <... set_robust_list resumed>) = 0 [pid 7413] <... setsockopt resumed>) = 0 [pid 7415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7413] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... prctl resumed>) = 0 [pid 7413] <... futex resumed>) = 1 [pid 7412] <... futex resumed>) = 0 [pid 7415] setpgid(0, 0 [pid 7413] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... setpgid resumed>) = 0 [pid 7413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] <... futex resumed>) = 0 [pid 7415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7413] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] <... openat resumed>) = 3 [pid 7413] <... setsockopt resumed>) = 0 [pid 7415] write(3, "1000", 4 [pid 7413] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... write resumed>) = 4 [pid 7413] <... futex resumed>) = 1 [pid 7412] <... futex resumed>) = 0 [pid 7415] close(3 [pid 7413] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... close resumed>) = 0 [pid 7413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] <... futex resumed>) = 0 [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7415] <... futex resumed>) = 0 [pid 7413] <... sendto resumed>) = 1 [pid 7415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7413] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... mmap resumed>) = 0x7fc1280a9000 [pid 7413] <... futex resumed>) = 1 [pid 7412] <... futex resumed>) = 0 [pid 7415] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7413] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 283.071148][ T7405] get_futex_key+0x282/0x1c50 [ 283.075860][ T7405] ? __lock_acquire+0x163e/0x5660 [ 283.080914][ T7405] ? futex_setup_timer+0xf0/0xf0 [ 283.085896][ T7405] futex_wake+0xe4/0x490 [ 283.090173][ T7405] ? futex_wake_mark+0x1a0/0x1a0 [ 283.095154][ T7405] ? find_held_lock+0x2d/0x110 [ 283.099966][ T7405] do_futex+0x266/0x300 [ 283.104244][ T7405] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 283.110170][ T7405] mm_release+0x235/0x2c0 [ 283.114520][ T7405] do_exit+0x8a0/0x29d0 [pid 7412] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... mprotect resumed>) = 0 [pid 7413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] <... futex resumed>) = 0 [pid 7415] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7413] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] <... sendto resumed>) = 1 [pid 7415] <... clone resumed>, parent_tid=[7416], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7416 [pid 7413] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... futex resumed>) = 1 [pid 7412] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7416 attached [pid 7415] <... futex resumed>) = 0 [pid 7413] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] set_robust_list(0x7fc1280c99e0, 24 [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7412] <... futex resumed>) = 0 [pid 7416] <... set_robust_list resumed>) = 0 [pid 7413] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7412] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7416] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7413] <... openat resumed>) = 4 [pid 7416] <... socket resumed>) = 3 [pid 7413] write(4, "5", 1 [pid 7416] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... write resumed>) = 1 [pid 7416] <... futex resumed>) = 1 [pid 7415] <... futex resumed>) = 0 [pid 7413] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7416] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7415] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... setsockopt resumed>) = 0 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... futex resumed>) = 0 [pid 7413] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7413] <... futex resumed>) = 1 [pid 7412] <... futex resumed>) = 0 [pid 7416] <... setsockopt resumed>) = 0 [pid 7413] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7412] exit_group(0 [pid 7416] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7413] <... futex resumed>) = ? [pid 7412] <... exit_group resumed>) = ? [pid 7416] <... futex resumed>) = 1 [pid 7415] <... futex resumed>) = 0 [pid 7413] +++ exited with 0 +++ [pid 7412] +++ exited with 0 +++ [pid 7416] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7415] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7412, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... futex resumed>) = 0 [pid 7416] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7416] <... setsockopt resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7416] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7415] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7417 [ 283.118704][ T7405] ? find_held_lock+0x2d/0x110 [ 283.123505][ T7405] ? mm_update_next_owner+0x7a0/0x7a0 [ 283.128916][ T7405] ? lock_downgrade+0x6e0/0x6e0 [ 283.133817][ T7405] do_group_exit+0xd2/0x2f0 [ 283.138359][ T7405] get_signal+0x2542/0x2600 [ 283.142899][ T7405] ? exit_signals+0x8b0/0x8b0 [ 283.147603][ T7405] ? userns_owner+0x40/0x40 [ 283.152138][ T7405] ? __task_pid_nr_ns+0x168/0x4b0 [ 283.157194][ T7405] ? lock_downgrade+0x6e0/0x6e0 [ 283.162072][ T7405] arch_do_signal_or_restart+0x82/0x2300 [pid 7416] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7415] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... futex resumed>) = 0 [pid 7416] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7417 attached [pid 7416] <... setsockopt resumed>) = 0 [pid 7417] set_robust_list(0x5555564f35e0, 24 [pid 7416] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... set_robust_list resumed>) = 0 [pid 7416] <... futex resumed>) = 1 [pid 7415] <... futex resumed>) = 0 [pid 7417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7416] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7415] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... prctl resumed>) = 0 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... futex resumed>) = 0 [pid 7417] setpgid(0, 0 [pid 7416] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... setpgid resumed>) = 0 [pid 7416] <... sendto resumed>) = 1 [pid 7417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7416] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... openat resumed>) = 3 [pid 7416] <... futex resumed>) = 1 [pid 7415] <... futex resumed>) = 0 [pid 7417] write(3, "1000", 4 [pid 7416] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7415] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... write resumed>) = 4 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... futex resumed>) = 0 [pid 7417] close(3 [pid 7416] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... close resumed>) = 0 [pid 7416] <... sendto resumed>) = 1 [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... futex resumed>) = 0 [pid 7416] <... futex resumed>) = 1 [pid 7415] <... futex resumed>) = 0 [pid 7417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 283.167746][ T7405] ? from_kuid_munged+0xa2/0x130 [ 283.172731][ T7405] ? find_held_lock+0x2d/0x110 [ 283.177533][ T7405] ? get_sigframe_size+0x10/0x10 [ 283.182503][ T7405] ? ptrace_notify+0xfa/0x140 [ 283.187201][ T7405] ? lock_downgrade+0x6e0/0x6e0 [ 283.192075][ T7405] ? send_sig+0xfe/0x160 [ 283.196344][ T7405] ? send_sig_info+0x140/0x140 [ 283.201146][ T7405] ? exit_to_user_mode_prepare+0x137/0x250 [ 283.206993][ T7405] exit_to_user_mode_prepare+0x15f/0x250 [ 283.212668][ T7405] syscall_exit_to_user_mode+0x19/0x50 [ 283.218164][ T7405] do_syscall_64+0x42/0xb0 [pid 7416] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7415] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... mmap resumed>) = 0x7fc1280a9000 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... futex resumed>) = 0 [pid 7417] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7416] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7415] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7417] <... mprotect resumed>) = 0 [pid 7416] <... openat resumed>) = 4 [pid 7417] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7416] write(4, "5", 1) = 1 [pid 7417] <... clone resumed>, parent_tid=[7418], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7418 [pid 7416] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7417] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... setsockopt resumed>) = 0 [pid 7417] <... futex resumed>) = 0 [pid 7416] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7416] <... futex resumed>) = 1 [pid 7415] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7418 attached [pid 7416] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7415] exit_group(0 [pid 7418] set_robust_list(0x7fc1280c99e0, 24 [pid 7416] <... futex resumed>) = ? [pid 7415] <... exit_group resumed>) = ? [pid 7418] <... set_robust_list resumed>) = 0 [pid 7416] +++ exited with 0 +++ [pid 7415] +++ exited with 0 +++ [pid 7418] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7415, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7418] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 7418] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 7418] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7418] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7418] <... setsockopt resumed>) = 0 [pid 7418] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7419 [pid 7418] <... futex resumed>) = 1 [ 283.222617][ T7405] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 283.228553][ T7405] RIP: 0033:0x7fc128117db9 [ 283.233002][ T7405] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 283.252654][ T7405] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 283.261092][ T7405] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [pid 7417] <... futex resumed>) = 0 [pid 7418] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7418] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7419 attached [pid 7418] <... setsockopt resumed>) = 0 [pid 7419] set_robust_list(0x5555564f35e0, 24 [pid 7418] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... set_robust_list resumed>) = 0 [pid 7418] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7418] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... prctl resumed>) = 0 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7419] setpgid(0, 0 [pid 7418] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... setpgid resumed>) = 0 [pid 7418] <... setsockopt resumed>) = 0 [pid 7419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7418] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... openat resumed>) = 3 [pid 7418] <... futex resumed>) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7419] write(3, "1000", 4 [pid 7418] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... write resumed>) = 4 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] <... futex resumed>) = 0 [pid 7419] close(3 [pid 7418] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... close resumed>) = 0 [pid 7418] <... sendto resumed>) = 1 [pid 7408] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP./strace-static-x86_64: Process 7414 attached [pid 7419] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7408] <... socket resumed>) = 4 [pid 7402] +++ exited with 0 +++ [pid 7405] +++ exited with 0 +++ [pid 7403] +++ exited with 0 +++ [pid 7398] +++ exited with 0 +++ [pid 7419] <... futex resumed>) = 0 [pid 7414] set_robust_list(0x5555564f35e0, 24 [pid 7418] <... futex resumed>) = 1 [pid 7408] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... set_robust_list resumed>) = 0 [pid 7408] <... futex resumed>) = 0 [pid 7414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7408] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7414] <... prctl resumed>) = 0 [pid 7414] setpgid(0, 0) = 0 [pid 7414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7407] exit_group(0 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7398, si_uid=0, si_status=0, si_utime=1, si_stime=27} --- [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7403, si_uid=0, si_status=0, si_utime=0, si_stime=35} --- [pid 7417] <... futex resumed>) = 0 [pid 7419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7418] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 283.269090][ T7405] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 283.277092][ T7405] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 283.285094][ T7405] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 283.293100][ T7405] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 283.301123][ T7405] [pid 7414] write(3, "1000", 4) = 4 [pid 7414] close(3 [pid 7417] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... close resumed>) = 0 [pid 7419] <... mmap resumed>) = 0x7fc1280a9000 [pid 7417] <... futex resumed>) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] <... futex resumed>) = 0 [pid 7410] <... futex resumed>) = ? [pid 7408] <... futex resumed>) = ? [pid 7407] <... exit_group resumed>) = ? [pid 7419] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7418] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7408] +++ exited with 0 +++ [pid 7414] <... mmap resumed>) = 0x7fc1280a9000 [pid 7414] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7414] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7420], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7420 [pid 7414] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7420 attached [pid 7420] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7420] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7420] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... futex resumed>) = 1 [pid 7420] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7420] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... futex resumed>) = 1 [pid 7420] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7420] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... futex resumed>) = 1 [pid 7420] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7420] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... futex resumed>) = 1 [pid 7420] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = 1 [pid 7420] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... futex resumed>) = 1 [pid 7420] sendto(3, "\x01", 1, 0, NULL, 0) = -1 ECONNREFUSED (Connection refused) [pid 7420] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] <... futex resumed>) = 0 [pid 7414] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7414] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7420] <... futex resumed>) = 1 [pid 7420] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7420] write(4, "5", 1) = 1 [pid 7420] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7420] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... mprotect resumed>) = 0 [pid 7418] <... sendto resumed>) = 1 [ 283.319762][ T7410] FAULT_INJECTION: forcing a failure. [ 283.319762][ T7410] name fail_futex, interval 1, probability 0, space 0, times 0 [ 283.331810][ T7420] FAULT_INJECTION: forcing a failure. [ 283.331810][ T7420] name fail_futex, interval 1, probability 0, space 0, times 0 [ 283.346456][ T7410] CPU: 1 PID: 7410 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 283.357004][ T7410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 283.367079][ T7410] Call Trace: [ 283.370371][ T7410] [ 283.373314][ T7410] dump_stack_lvl+0xcd/0x134 [ 283.377928][ T7410] should_fail.cold+0x5/0xa [ 283.382447][ T7410] get_futex_key+0x282/0x1c50 [ 283.387141][ T7410] ? __lock_acquire+0x163e/0x5660 [ 283.392191][ T7410] ? futex_setup_timer+0xf0/0xf0 [ 283.397174][ T7410] futex_wake+0xe4/0x490 [ 283.401452][ T7410] ? futex_wake_mark+0x1a0/0x1a0 [ 283.406460][ T7410] ? find_held_lock+0x2d/0x110 [ 283.411264][ T7410] do_futex+0x266/0x300 [ 283.415453][ T7410] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 283.421379][ T7410] mm_release+0x235/0x2c0 [ 283.425724][ T7410] do_exit+0x8a0/0x29d0 [ 283.429892][ T7410] ? find_held_lock+0x2d/0x110 [ 283.434673][ T7410] ? mm_update_next_owner+0x7a0/0x7a0 [ 283.440055][ T7410] ? lock_downgrade+0x6e0/0x6e0 [ 283.444919][ T7410] do_group_exit+0xd2/0x2f0 [ 283.449444][ T7410] get_signal+0x2542/0x2600 [ 283.453970][ T7410] ? exit_signals+0x8b0/0x8b0 [ 283.458655][ T7410] ? userns_owner+0x40/0x40 [ 283.463172][ T7410] ? __task_pid_nr_ns+0x168/0x4b0 [ 283.468234][ T7410] ? lock_downgrade+0x6e0/0x6e0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7419] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7418] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7417] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7418] <... futex resumed>) = 0 [pid 7417] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7421 [pid 7419] <... clone resumed>, parent_tid=[7422], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7422 [pid 7418] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7417] <... futex resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7419] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7418] <... openat resumed>) = 4 [pid 7417] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = 0 [ 283.473193][ T7410] arch_do_signal_or_restart+0x82/0x2300 [ 283.478841][ T7410] ? from_kuid_munged+0xa2/0x130 [ 283.483792][ T7410] ? find_held_lock+0x2d/0x110 [ 283.488569][ T7410] ? get_sigframe_size+0x10/0x10 [ 283.493521][ T7410] ? ptrace_notify+0xfa/0x140 [ 283.498204][ T7410] ? lock_downgrade+0x6e0/0x6e0 [ 283.503063][ T7410] ? send_sig+0xfe/0x160 [ 283.507330][ T7410] ? send_sig_info+0x140/0x140 [ 283.512136][ T7410] ? exit_to_user_mode_prepare+0x137/0x250 [ 283.517988][ T7410] exit_to_user_mode_prepare+0x15f/0x250 [pid 7418] write(4, "5", 1 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7423 [pid 7419] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7418] <... write resumed>) = 1 [pid 7418] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7418] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7423 attached ) = 1 [pid 7417] <... futex resumed>) = 0 [pid 7423] set_robust_list(0x5555564f35e0, 24 [pid 7418] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7417] exit_group(0 [pid 7423] <... set_robust_list resumed>) = 0 [pid 7418] <... futex resumed>) = ? [pid 7417] <... exit_group resumed>) = ? [pid 7423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7418] +++ exited with 0 +++ [pid 7417] +++ exited with 0 +++ [pid 7423] <... prctl resumed>) = 0 [pid 7423] setpgid(0, 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7417, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7423] <... setpgid resumed>) = 0 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 7423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] <... restart_syscall resumed>) = 0 [pid 7423] <... openat resumed>) = 3 [pid 7423] write(3, "1000", 4) = 4 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7423] close(3) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7424 [pid 7423] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7424 attached ) = 0x7fc1280a9000 [pid 7424] set_robust_list(0x5555564f35e0, 24 [pid 7423] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7424] <... set_robust_list resumed>) = 0 [pid 7423] <... mprotect resumed>) = 0 [pid 7424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7423] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7424] <... prctl resumed>) = 0 [pid 7424] setpgid(0, 0 [pid 7423] <... clone resumed>, parent_tid=[7425], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7425 [pid 7424] <... setpgid resumed>) = 0 [pid 7423] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7423] <... futex resumed>) = 0 [pid 7424] <... openat resumed>) = 3 [pid 7423] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7424] write(3, "1000", 4) = 4 [ 283.523652][ T7410] syscall_exit_to_user_mode+0x19/0x50 [ 283.529235][ T7410] do_syscall_64+0x42/0xb0 [ 283.533685][ T7410] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 283.539619][ T7410] RIP: 0033:0x7fc128117db9 [ 283.544064][ T7410] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 283.563705][ T7410] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [pid 7424] close(3) = 0 [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7424] <... futex resumed>) = 0 [pid 7419] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7419] <... futex resumed>) = 0 [pid 7424] <... mmap resumed>) = 0x7fc1280a9000 [pid 7419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7424] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7419] <... mmap resumed>) = 0x7fc128088000 [pid 7424] <... mprotect resumed>) = 0 [pid 7419] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7424] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7419] <... mprotect resumed>) = 0 [pid 7419] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7424] <... clone resumed>, parent_tid=[7426], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7426 [pid 7424] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... clone resumed>, parent_tid=[7427], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7427 [pid 7424] <... futex resumed>) = 0 [pid 7419] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7426 attached [pid 7419] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7426] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7426] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7424] <... futex resumed>) = 0 [pid 7426] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7424] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... setsockopt resumed>) = 0 [pid 7424] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7427 attached ./strace-static-x86_64: Process 7425 attached ./strace-static-x86_64: Process 7422 attached ./strace-static-x86_64: Process 7421 attached [pid 7426] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7410] +++ exited with 0 +++ [pid 7407] +++ exited with 0 +++ [pid 7426] <... futex resumed>) = 0 [pid 7424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7407, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 7426] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 283.572155][ T7410] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 283.580161][ T7410] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 283.588155][ T7410] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 283.596144][ T7410] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 283.604141][ T7410] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 283.612171][ T7410] [pid 7424] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] <... futex resumed>) = 0 [pid 7423] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7414] exit_group(0 [pid 7426] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] <... futex resumed>) = 0 [pid 7414] <... exit_group resumed>) = ? [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7426] <... setsockopt resumed>) = 0 [pid 7423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7426] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... mmap resumed>) = 0x7fc128088000 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7428 [pid 7426] <... futex resumed>) = 1 [pid 7424] <... futex resumed>) = 0 [pid 7423] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7426] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... mprotect resumed>) = 0 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] <... futex resumed>) = 0 [pid 7423] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7426] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7428 attached [pid 7426] <... setsockopt resumed>) = 0 [pid 7423] <... clone resumed>, parent_tid=[7429], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7429 [pid 7428] set_robust_list(0x5555564f35e0, 24 [pid 7426] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... set_robust_list resumed>) = 0 [pid 7426] <... futex resumed>) = 1 [pid 7424] <... futex resumed>) = 0 [pid 7423] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7429 attached [pid 7428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7426] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7429] set_robust_list(0x7fc1280a89e0, 24 [pid 7428] <... prctl resumed>) = 0 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] <... futex resumed>) = 0 [pid 7429] <... set_robust_list resumed>) = 0 [pid 7428] setpgid(0, 0 [pid 7426] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7429] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7428] <... setpgid resumed>) = 0 [pid 7426] <... sendto resumed>) = 1 [pid 7419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7429] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7426] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... openat resumed>) = 3 [pid 7426] <... futex resumed>) = 1 [pid 7424] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = 1 [pid 7428] write(3, "1000", 4 [pid 7426] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 [pid 7419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7429] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] <... write resumed>) = 4 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] <... futex resumed>) = 0 [pid 7423] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] <... mmap resumed>) = 0x7fc128067000 [pid 7429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7428] close(3 [pid 7426] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] <... futex resumed>) = 0 [pid 7419] mprotect(0x7fc128068000, 131072, PROT_READ|PROT_WRITE [pid 7429] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7428] <... close resumed>) = 0 [pid 7426] <... sendto resumed>) = 1 [ 283.618669][ T7420] CPU: 1 PID: 7420 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 283.629221][ T7420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 283.639309][ T7420] Call Trace: [ 283.642616][ T7420] [ 283.645569][ T7420] dump_stack_lvl+0xcd/0x134 [ 283.650200][ T7420] should_fail.cold+0x5/0xa [ 283.654757][ T7420] get_futex_key+0x5b2/0x1c50 [ 283.659477][ T7420] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 283.665507][ T7420] ? futex_setup_timer+0xf0/0xf0 [ 283.670490][ T7420] futex_wake+0xe4/0x490 [pid 7423] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... mprotect resumed>) = 0 [pid 7429] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] clone(child_stack=0x7fc1280873f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7429] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... futex resumed>) = 0 [pid 7426] <... futex resumed>) = 1 [pid 7424] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = 1 [pid 7428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7426] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 [pid 7419] <... clone resumed>, parent_tid=[7430], tls=0x7fc128087700, child_tidptr=0x7fc1280879d0) = 7430 [pid 7429] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] <... mmap resumed>) = 0x7fc1280a9000 [pid 7426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7424] <... futex resumed>) = 0 [pid 7423] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7428] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7426] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7424] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7430 attached [pid 7429] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7428] <... mprotect resumed>) = 0 [pid 7426] <... openat resumed>) = 4 [pid 7423] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7430] set_robust_list(0x7fc1280879e0, 24 [pid 7429] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7428] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7426] write(4, "5", 1 [pid 7430] <... set_robust_list resumed>) = 0 [pid 7429] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... write resumed>) = 1 [pid 7430] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7429] <... futex resumed>) = 1 [pid 7428] <... clone resumed>, parent_tid=[7431], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7431 [pid 7426] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7423] <... futex resumed>) = 0 [pid 7430] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7429] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... setsockopt resumed>) = 0 [pid 7423] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7428] <... futex resumed>) = 0 [pid 7426] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7431 attached [pid 7430] <... futex resumed>) = 1 [pid 7429] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7426] <... futex resumed>) = 1 [pid 7424] <... futex resumed>) = 0 [pid 7423] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = 0 [pid 7431] set_robust_list(0x7fc1280c99e0, 24 [pid 7430] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7429] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7426] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7424] exit_group(0 [pid 7419] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... set_robust_list resumed>) = 0 [pid 7430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7429] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7426] <... futex resumed>) = ? [pid 7424] <... exit_group resumed>) = ? [pid 7419] <... futex resumed>) = 0 [pid 7431] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7430] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7429] <... futex resumed>) = 1 [pid 7426] +++ exited with 0 +++ [pid 7424] +++ exited with 0 +++ [pid 7423] <... futex resumed>) = 0 [pid 7419] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] <... socket resumed>) = 3 [pid 7430] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7429] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7423] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7423] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7424, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7431] <... futex resumed>) = 1 [pid 7430] <... futex resumed>) = 1 [pid 7429] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7428] <... futex resumed>) = 0 [pid 7423] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7431] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7429] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7428] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7429] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7432 [ 283.674773][ T7420] ? futex_wake_mark+0x1a0/0x1a0 [ 283.679749][ T7420] ? ptrace_stop.part.0+0x5ec/0xa80 [ 283.684980][ T7420] ? do_raw_spin_lock+0x120/0x2a0 [ 283.690041][ T7420] ? rwlock_bug.part.0+0x90/0x90 [ 283.695009][ T7420] ? _raw_spin_lock_irq+0x41/0x50 [ 283.700072][ T7420] do_futex+0x266/0x300 [ 283.704265][ T7420] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 283.710193][ T7420] ? find_held_lock+0x2d/0x110 [ 283.715010][ T7420] __x64_sys_futex+0x1b0/0x4a0 [ 283.719825][ T7420] ? do_futex+0x300/0x300 [pid 7431] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7430] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7429] <... futex resumed>) = 1 [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7423] <... futex resumed>) = 0 [pid 7419] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] <... setsockopt resumed>) = 0 [pid 7430] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7429] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7423] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7432 attached [pid 7431] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7423] <... futex resumed>) = 0 [pid 7432] set_robust_list(0x5555564f35e0, 24 [pid 7431] <... futex resumed>) = 1 [pid 7430] <... futex resumed>) = 1 [pid 7429] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7428] <... futex resumed>) = 0 [pid 7423] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] <... futex resumed>) = 0 [pid 7432] <... set_robust_list resumed>) = 0 [pid 7431] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7429] <... openat resumed>) = 3 [pid 7428] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7429] write(3, "5", 1 [pid 7428] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7432] <... prctl resumed>) = 0 [pid 7431] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7430] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7429] <... write resumed>) = 1 [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] setpgid(0, 0 [pid 7431] <... setsockopt resumed>) = 0 [pid 7430] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7429] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7432] <... setpgid resumed>) = 0 [pid 7431] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7431] <... futex resumed>) = 1 [pid 7430] <... futex resumed>) = 1 [pid 7429] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7432] <... openat resumed>) = 3 [pid 7431] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7429] <... futex resumed>) = 1 [pid 7428] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7423] <... futex resumed>) = 0 [pid 7419] futex(0x7fc1281a04c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] write(3, "1000", 4 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7429] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] <... futex resumed>) = 0 [pid 7419] <... futex resumed>) = 0 [pid 7432] <... write resumed>) = 4 [pid 7431] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7430] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] futex(0x7fc1281a04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] close(3 [pid 7431] <... setsockopt resumed>) = 0 [pid 7430] <... openat resumed>) = 3 [pid 7432] <... close resumed>) = 0 [pid 7431] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] write(3, "5", 1 [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] <... futex resumed>) = 1 [pid 7430] <... write resumed>) = 1 [pid 7428] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 [pid 7431] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7430] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7428] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7430] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7428] <... futex resumed>) = 0 [pid 7432] <... mmap resumed>) = 0x7fc1280a9000 [pid 7431] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7430] futex(0x7fc1281a04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7431] <... sendto resumed>) = 1 [pid 7430] <... futex resumed>) = 1 [pid 7419] <... futex resumed>) = 0 [ 283.724183][ T7420] ? _raw_spin_unlock_irq+0x1f/0x40 [ 283.729424][ T7420] ? lockdep_hardirqs_on+0x79/0x100 [ 283.734670][ T7420] ? _raw_spin_unlock_irq+0x2a/0x40 [ 283.739904][ T7420] ? ptrace_notify+0xfa/0x140 [ 283.744617][ T7420] do_syscall_64+0x35/0xb0 [ 283.749071][ T7420] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 283.754996][ T7420] RIP: 0033:0x7fc128117db9 [pid 7432] <... mprotect resumed>) = 0 [pid 7431] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] futex(0x7fc1281a04c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7431] <... futex resumed>) = 1 [pid 7428] <... futex resumed>) = 0 [pid 7431] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] <... clone resumed>, parent_tid=[7433], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7433 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7428] <... futex resumed>) = 0 [pid 7432] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7432] <... futex resumed>) = 0 [pid 7431] <... sendto resumed>) = 1 [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7433 attached ) = 1 [pid 7428] <... futex resumed>) = 0 [pid 7433] set_robust_list(0x7fc1280c99e0, 24 [pid 7431] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] <... set_robust_list resumed>) = 0 [pid 7431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7428] <... futex resumed>) = 0 [pid 7433] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7431] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7428] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] <... socket resumed>) = 3 [pid 7431] <... openat resumed>) = 4 [pid 7433] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] write(4, "5", 1 [pid 7433] <... futex resumed>) = 1 [pid 7432] <... futex resumed>) = 0 [pid 7431] <... write resumed>) = 1 [pid 7433] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 0 [pid 7431] <... setsockopt resumed>) = 0 [pid 7433] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7431] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] <... setsockopt resumed>) = 0 [pid 7431] <... futex resumed>) = 1 [pid 7428] <... futex resumed>) = 0 [pid 7433] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7428] exit_group(0 [pid 7433] <... futex resumed>) = 1 [pid 7432] <... futex resumed>) = 0 [pid 7431] <... futex resumed>) = ? [pid 7428] <... exit_group resumed>) = ? [pid 7433] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7431] +++ exited with 0 +++ [pid 7428] +++ exited with 0 +++ [pid 7433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 0 [pid 7433] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7428, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7433] <... setsockopt resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 7433] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... restart_syscall resumed>) = 0 [pid 7433] <... futex resumed>) = 1 [pid 7432] <... futex resumed>) = 0 [ 283.759429][ T7420] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 283.779115][ T7420] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 283.787571][ T7420] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 283.795579][ T7420] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 283.803589][ T7420] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 283.811608][ T7420] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7433] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7433] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7434 attached [pid 7433] <... setsockopt resumed>) = 0 [pid 7427] set_robust_list(0x7fc1280a89e0, 24 [pid 7425] set_robust_list(0x7fc1280c99e0, 24 [pid 7422] set_robust_list(0x7fc1280c99e0, 24 [pid 7421] set_robust_list(0x5555564f35e0, 24 [pid 7420] <... futex resumed>) = ? [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7434 [pid 7434] set_robust_list(0x5555564f35e0, 24 [pid 7433] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] <... set_robust_list resumed>) = 0 [pid 7425] <... set_robust_list resumed>) = 0 [pid 7422] <... set_robust_list resumed>) = 0 [pid 7421] <... set_robust_list resumed>) = 0 [pid 7420] +++ exited with 0 +++ [pid 7414] +++ exited with 0 +++ [pid 7434] <... set_robust_list resumed>) = 0 [pid 7433] <... futex resumed>) = 1 [pid 7432] <... futex resumed>) = 0 [pid 7427] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7425] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7422] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7433] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7425] <... socket resumed>) = 4 [pid 7422] <... socket resumed>) = 4 [pid 7421] <... prctl resumed>) = 0 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7414, si_uid=0, si_status=0, si_utime=0, si_stime=41} --- [pid 7434] <... prctl resumed>) = 0 [ 283.819619][ T7420] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 283.827644][ T7420] [pid 7433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 0 [pid 7427] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7425] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7422] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] setpgid(0, 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7434] setpgid(0, 0 [pid 7433] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7427] <... futex resumed>) = 0 [pid 7425] <... futex resumed>) = 0 [pid 7423] exit_group(0 [pid 7422] <... futex resumed>) = 0 [pid 7421] <... setpgid resumed>) = 0 [pid 7434] <... setpgid resumed>) = 0 [pid 7427] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7425] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7422] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7421] <... openat resumed>) = 3 [pid 7434] <... openat resumed>) = 3 [pid 7421] write(3, "1000", 4 [pid 7434] write(3, "1000", 4 [pid 7421] <... write resumed>) = 4 [pid 7434] <... write resumed>) = 4 [pid 7421] close(3 [pid 7434] close(3 [pid 7421] <... close resumed>) = 0 [pid 7434] <... close resumed>) = 0 [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = 0 [pid 7429] <... futex resumed>) = ? [pid 7425] <... futex resumed>) = ? [pid 7423] <... exit_group resumed>) = ? [pid 7421] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7419] exit_group(0 [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7425] +++ exited with 0 +++ [pid 7421] <... mmap resumed>) = 0x7fc1280a9000 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7435 [pid 7434] <... mmap resumed>) = 0x7fc1280a9000 [pid 7421] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7434] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7421] <... mprotect resumed>) = 0 [pid 7434] <... mprotect resumed>) = 0 [pid 7421] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7434] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7421] <... clone resumed>, parent_tid=[7436], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7436 [pid 7434] <... clone resumed>, parent_tid=[7437], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7437 [pid 7421] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = 0 [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7436 attached [pid 7436] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7436] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7436] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... futex resumed>) = 0 [pid 7421] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] <... futex resumed>) = 1 [pid 7436] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7436] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... futex resumed>) = 0 [pid 7421] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] <... futex resumed>) = 1 [pid 7436] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7436] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... futex resumed>) = 0 [pid 7421] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7427] <... futex resumed>) = ? [pid 7422] <... futex resumed>) = ? [pid 7421] <... futex resumed>) = 0 [pid 7419] <... exit_group resumed>) = ? [pid 7427] +++ exited with 0 +++ [pid 7422] +++ exited with 0 +++ [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] <... futex resumed>) = 1 [pid 7436] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7436] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] <... futex resumed>) = 0 [pid 7421] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] <... futex resumed>) = 1 [pid 7436] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7430] <... futex resumed>) = ? [pid 7436] <... sendto resumed>) = 1 [pid 7436] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7421] <... futex resumed>) = 0 [pid 7436] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7421] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7421] <... futex resumed>) = 0 [pid 7436] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7430] +++ exited with 0 +++ [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7419] +++ exited with 0 +++ [pid 7436] <... futex resumed>) = 0 [pid 7421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7419, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7436] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7421] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... openat resumed>) = 4 [pid 7433] <... sendto resumed>) = 1 [pid 7421] <... futex resumed>) = 0 [pid 7436] write(4, "5", 1 [pid 7433] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7436] <... write resumed>) = 1 [pid 7433] <... futex resumed>) = 1 [pid 7432] <... futex resumed>) = 0 [pid 7436] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7433] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7436] <... setsockopt resumed>) = 0 [pid 7433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7432] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7435 attached [pid 7436] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7437 attached [ 283.847809][ T7429] FAULT_INJECTION: forcing a failure. [ 283.847809][ T7429] name fail_futex, interval 1, probability 0, space 0, times 0 [ 283.868453][ T7436] FAULT_INJECTION: forcing a failure. [ 283.868453][ T7436] name fail_futex, interval 1, probability 0, space 0, times 0 [ 283.869346][ T7429] CPU: 0 PID: 7429 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [pid 7434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7434] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7434] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7434] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7438], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7438 [pid 7434] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7438 attached [pid 7438] set_robust_list(0x7fc1280a89e0, 24 [pid 7421] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7421] exit_group(0) = ? [pid 7438] <... set_robust_list resumed>) = 0 [pid 7438] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 7438] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7434] <... futex resumed>) = 0 [pid 7434] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7434] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7438] <... futex resumed>) = 1 [pid 7438] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [ 283.891767][ T7429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 283.901846][ T7429] Call Trace: [ 283.905143][ T7429] [ 283.908103][ T7429] dump_stack_lvl+0xcd/0x134 [ 283.912724][ T7429] should_fail.cold+0x5/0xa [ 283.917287][ T7429] get_futex_key+0x11d2/0x1c50 [ 283.922087][ T7429] ? futex_setup_timer+0xf0/0xf0 [ 283.927073][ T7429] futex_wake+0xe4/0x490 [ 283.931431][ T7429] ? futex_wake_mark+0x1a0/0x1a0 [ 283.936397][ T7429] ? find_held_lock+0x2d/0x110 [ 283.941174][ T7429] do_futex+0x266/0x300 [pid 7438] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7434] <... futex resumed>) = 0 [pid 7438] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [ 283.945334][ T7429] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 283.951239][ T7429] mm_release+0x235/0x2c0 [ 283.955573][ T7429] do_exit+0x8a0/0x29d0 [ 283.959734][ T7429] ? find_held_lock+0x2d/0x110 [ 283.964516][ T7429] ? mm_update_next_owner+0x7a0/0x7a0 [ 283.969901][ T7429] ? lock_downgrade+0x6e0/0x6e0 [ 283.974758][ T7429] do_group_exit+0xd2/0x2f0 [ 283.979278][ T7429] get_signal+0x2542/0x2600 [ 283.983791][ T7429] ? exit_signals+0x8b0/0x8b0 [ 283.988469][ T7429] ? userns_owner+0x40/0x40 [ 283.992975][ T7429] ? __task_pid_nr_ns+0x168/0x4b0 [ 283.998005][ T7429] ? lock_downgrade+0x6e0/0x6e0 [ 284.002857][ T7429] arch_do_signal_or_restart+0x82/0x2300 [ 284.008516][ T7429] ? from_kuid_munged+0xa2/0x130 [ 284.013461][ T7429] ? find_held_lock+0x2d/0x110 [ 284.018234][ T7429] ? get_sigframe_size+0x10/0x10 [ 284.023182][ T7429] ? ptrace_notify+0xfa/0x140 [ 284.027860][ T7429] ? lock_downgrade+0x6e0/0x6e0 [ 284.032714][ T7429] ? send_sig+0xfe/0x160 [ 284.036960][ T7429] ? send_sig_info+0x140/0x140 [ 284.041727][ T7429] ? exit_to_user_mode_prepare+0x137/0x250 [ 284.047541][ T7429] exit_to_user_mode_prepare+0x15f/0x250 [ 284.053179][ T7429] syscall_exit_to_user_mode+0x19/0x50 [ 284.058649][ T7429] do_syscall_64+0x42/0xb0 [ 284.063078][ T7429] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 284.068978][ T7429] RIP: 0033:0x7fc128117db9 [ 284.073406][ T7429] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7434] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7437] set_robust_list(0x7fc1280c99e0, 24 [pid 7435] set_robust_list(0x5555564f35e0, 24 [pid 7434] <... futex resumed>) = 0 [pid 7433] <... sendto resumed>) = 1 [pid 7432] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7437] <... set_robust_list resumed>) = 0 [pid 7435] <... set_robust_list resumed>) = 0 [pid 7434] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7432] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7437] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7433] <... futex resumed>) = 0 [pid 7432] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7439 attached [pid 7438] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7437] <... socket resumed>) = 3 [pid 7435] <... prctl resumed>) = 0 [pid 7437] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] setpgid(0, 0 [pid 7437] <... futex resumed>) = 0 [pid 7435] <... setpgid resumed>) = 0 [pid 7433] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7432] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7439 [pid 7439] set_robust_list(0x5555564f35e0, 24 [pid 7438] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7437] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7438] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... openat resumed>) = 3 [pid 7433] <... openat resumed>) = 4 [pid 7439] <... set_robust_list resumed>) = 0 [pid 7438] <... futex resumed>) = 1 [pid 7435] write(3, "1000", 4 [pid 7434] <... futex resumed>) = 0 [pid 7438] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] <... write resumed>) = 4 [pid 7433] write(4, "5", 1 [pid 7439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7434] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... prctl resumed>) = 0 [pid 7437] <... futex resumed>) = 0 [pid 7435] close(3 [pid 7434] <... futex resumed>) = 1 [pid 7433] <... write resumed>) = 1 [pid 7439] setpgid(0, 0 [pid 7437] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7435] <... close resumed>) = 0 [pid 7434] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7433] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7439] <... setpgid resumed>) = 0 [pid 7437] <... sendto resumed>) = 1 [ 284.093029][ T7429] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 284.101444][ T7429] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [ 284.109413][ T7429] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 284.117383][ T7429] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 284.125449][ T7429] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 284.133440][ T7429] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 284.141434][ T7429] [pid 7435] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] <... setsockopt resumed>) = 0 [pid 7439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7437] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7433] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7429] +++ exited with 0 +++ [pid 7423] +++ exited with 0 +++ [pid 7439] <... openat resumed>) = 3 [pid 7433] <... futex resumed>) = 1 [pid 7432] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7423, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 7439] write(3, "1000", 4 [pid 7433] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7432] exit_group(0 [pid 7439] <... write resumed>) = 4 [pid 7433] <... futex resumed>) = ? [pid 7432] <... exit_group resumed>) = ? [pid 7439] close(3 [pid 7433] +++ exited with 0 +++ [pid 7432] +++ exited with 0 +++ [pid 7439] <... close resumed>) = 0 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7432, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7439] <... futex resumed>) = 0 [ 284.162623][ T7436] CPU: 0 PID: 7436 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 284.173183][ T7436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 284.183266][ T7436] Call Trace: [ 284.186567][ T7436] [ 284.189517][ T7436] dump_stack_lvl+0xcd/0x134 [ 284.194142][ T7436] should_fail.cold+0x5/0xa [ 284.198677][ T7436] get_futex_key+0x5b2/0x1c50 [ 284.203382][ T7436] ? lockdep_hardirqs_on_prepare+0x400/0x400 [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3615] <... restart_syscall resumed>) = 0 [pid 7439] <... mmap resumed>) = 0x7fc1280a9000 [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7440 [pid 7439] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7439] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 284.209392][ T7436] ? futex_setup_timer+0xf0/0xf0 [ 284.214361][ T7436] futex_wake+0xe4/0x490 [ 284.218634][ T7436] ? futex_wake_mark+0x1a0/0x1a0 [ 284.223599][ T7436] ? ptrace_stop.part.0+0x5ec/0xa80 [ 284.228831][ T7436] ? do_raw_spin_lock+0x120/0x2a0 [ 284.233880][ T7436] ? rwlock_bug.part.0+0x90/0x90 [ 284.238840][ T7436] ? _raw_spin_lock_irq+0x41/0x50 [ 284.243903][ T7436] do_futex+0x266/0x300 [ 284.248088][ T7436] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 284.254013][ T7436] ? find_held_lock+0x2d/0x110 [ 284.258824][ T7436] __x64_sys_futex+0x1b0/0x4a0 [ 284.263625][ T7436] ? do_futex+0x300/0x300 [ 284.268001][ T7436] ? _raw_spin_unlock_irq+0x1f/0x40 [ 284.273215][ T7436] ? lockdep_hardirqs_on+0x79/0x100 [ 284.278437][ T7436] ? _raw_spin_unlock_irq+0x2a/0x40 [ 284.283660][ T7436] ? ptrace_notify+0xfa/0x140 [ 284.288351][ T7436] do_syscall_64+0x35/0xb0 [ 284.292784][ T7436] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 284.298698][ T7436] RIP: 0033:0x7fc128117db9 [ 284.303110][ T7436] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 284.322752][ T7436] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 284.331173][ T7436] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 284.339152][ T7436] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 284.347122][ T7436] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 284.355092][ T7436] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7441 [pid 7439] <... clone resumed>, parent_tid=[7442], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7442 [pid 7439] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7441 attached ./strace-static-x86_64: Process 7442 attached [pid 7441] set_robust_list(0x5555564f35e0, 24 [pid 7442] set_robust_list(0x7fc1280c99e0, 24 [pid 7441] <... set_robust_list resumed>) = 0 [pid 7442] <... set_robust_list resumed>) = 0 [pid 7441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7442] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7441] <... prctl resumed>) = 0 [pid 7442] <... socket resumed>) = 3 [pid 7441] setpgid(0, 0 [pid 7442] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] <... setpgid resumed>) = 0 [pid 7442] <... futex resumed>) = 1 [pid 7441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7439] <... futex resumed>) = 0 [pid 7442] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] <... openat resumed>) = 3 [pid 7439] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] write(3, "1000", 4 [pid 7439] <... futex resumed>) = 0 [pid 7442] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7441] <... write resumed>) = 4 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7442] <... setsockopt resumed>) = 0 [pid 7441] close(3 [pid 7442] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] <... close resumed>) = 0 [pid 7442] <... futex resumed>) = 1 [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] <... futex resumed>) = 0 [pid 7442] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] <... futex resumed>) = 0 [pid 7439] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7439] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7442] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7441] <... mmap resumed>) = 0x7fc1280a9000 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7434] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] <... setsockopt resumed>) = 0 [pid 7441] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7434] <... futex resumed>) = 0 [pid 7442] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] <... mprotect resumed>) = 0 [pid 7434] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7442] <... futex resumed>) = 1 [pid 7441] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7439] <... futex resumed>) = 0 [pid 7442] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] <... clone resumed>, parent_tid=[7443], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7443 [pid 7439] <... futex resumed>) = 0 [pid 7442] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7441] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7442] <... setsockopt resumed>) = 0 [pid 7441] <... futex resumed>) = 0 [pid 7442] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7442] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7442] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7443 attached [pid 7442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7439] <... futex resumed>) = 0 [pid 7443] set_robust_list(0x7fc1280c99e0, 24 [pid 7442] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] <... set_robust_list resumed>) = 0 [pid 7442] <... sendto resumed>) = 1 [pid 7443] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7442] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] <... socket resumed>) = 3 [pid 7442] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7443] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] <... futex resumed>) = 1 [pid 7442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] <... futex resumed>) = 0 [pid 7439] <... futex resumed>) = 0 [pid 7443] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7442] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7441] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7442] <... sendto resumed>) = 1 [pid 7441] <... futex resumed>) = 0 [pid 7443] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7442] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] <... setsockopt resumed>) = 0 [pid 7442] <... futex resumed>) = 1 [pid 7439] <... futex resumed>) = 0 [pid 7443] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7439] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] <... futex resumed>) = 1 [pid 7442] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] <... futex resumed>) = 0 [pid 7439] <... futex resumed>) = 0 [pid 7443] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7442] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7441] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7439] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7442] <... openat resumed>) = 4 [pid 7441] <... futex resumed>) = 0 [pid 7443] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7442] write(4, "5", 1 [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7442] <... write resumed>) = 1 [pid 7443] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7443] <... futex resumed>) = 1 [pid 7442] <... setsockopt resumed>) = 0 [pid 7441] <... futex resumed>) = 0 [pid 7443] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7442] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7441] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7442] <... futex resumed>) = 1 [pid 7441] <... futex resumed>) = 0 [pid 7439] <... futex resumed>) = 0 [pid 7443] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7442] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7439] exit_group(0 [pid 7443] <... setsockopt resumed>) = 0 [pid 7442] <... futex resumed>) = ? [pid 7439] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7440 attached [pid 7443] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7442] +++ exited with 0 +++ [pid 7441] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7439] +++ exited with 0 +++ [pid 7437] <... futex resumed>) = 0 [pid 7436] <... futex resumed>) = ? [pid 7435] <... futex resumed>) = 0 [pid 7434] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7443] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7439, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7443] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7441] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] set_robust_list(0x5555564f35e0, 24 [pid 7437] sendto(3, "\x01", 1, 0, NULL, 0 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7444 ./strace-static-x86_64: Process 7444 attached [pid 7443] <... futex resumed>) = 0 [pid 7441] <... futex resumed>) = 1 [pid 7440] <... set_robust_list resumed>) = 0 [pid 7437] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7436] +++ exited with 0 +++ [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7434] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7421] +++ exited with 0 +++ [pid 7444] set_robust_list(0x5555564f35e0, 24 [pid 7443] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7438] <... futex resumed>) = 0 [pid 7437] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... mmap resumed>) = 0x7fc1280a9000 [pid 7434] <... futex resumed>) = 1 [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7421, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [pid 7444] <... set_robust_list resumed>) = 0 [pid 7443] <... sendto resumed>) = 1 [pid 7440] <... prctl resumed>) = 0 [pid 7438] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7437] <... futex resumed>) = 0 [pid 7435] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7443] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] setpgid(0, 0 [pid 7438] <... openat resumed>) = 4 [pid 7437] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7435] <... mprotect resumed>) = 0 [pid 7434] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7444] <... prctl resumed>) = 0 [pid 7443] <... futex resumed>) = 1 [pid 7441] <... futex resumed>) = 0 [pid 7440] <... setpgid resumed>) = 0 [pid 7438] write(4, "5", 1 [pid 7435] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7444] setpgid(0, 0 [pid 7443] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7438] <... write resumed>) = 1 [pid 7444] <... setpgid resumed>) = 0 [pid 7443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] <... futex resumed>) = 0 [pid 7435] <... clone resumed>, parent_tid=[7445], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7445 [pid 7444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7443] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7440] <... openat resumed>) = 3 [pid 7438] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7435] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7445 attached [pid 7444] <... openat resumed>) = 3 [pid 7435] <... futex resumed>) = 0 [pid 7444] write(3, "1000", 4 [pid 7435] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7444] <... write resumed>) = 4 [pid 7444] close(3 [pid 7443] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7440] write(3, "1000", 4 [pid 7444] <... close resumed>) = 0 [pid 7438] <... setsockopt resumed>) = -1 EACCES (Permission denied) [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... write resumed>) = 4 [pid 7438] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7444] <... futex resumed>) = 0 [pid 7444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7444] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7443] <... futex resumed>) = 1 [pid 7441] <... futex resumed>) = 0 [pid 7444] <... mprotect resumed>) = 0 [pid 7443] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] close(3 [pid 7438] <... futex resumed>) = 1 [pid 7434] <... futex resumed>) = 0 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7446 ./strace-static-x86_64: Process 7446 attached [pid 7445] set_robust_list(0x7fc1280c99e0, 24 [pid 7444] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7441] <... futex resumed>) = 0 [pid 7440] <... close resumed>) = 0 [pid 7438] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7434] exit_group(0 [pid 7446] set_robust_list(0x5555564f35e0, 24 [pid 7445] <... set_robust_list resumed>) = 0 [pid 7443] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7441] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7438] <... futex resumed>) = ? [pid 7437] <... futex resumed>) = ? [pid 7434] <... exit_group resumed>) = ? [pid 7446] <... set_robust_list resumed>) = 0 [pid 7445] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7444] <... clone resumed>, parent_tid=[7447], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7447 [pid 7443] <... openat resumed>) = 4 [pid 7440] <... futex resumed>) = 0 [pid 7438] +++ exited with 0 +++ [pid 7437] +++ exited with 0 +++ [pid 7446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7445] <... socket resumed>) = 3 [pid 7444] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] write(4, "5", 1 [pid 7440] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7434] +++ exited with 0 +++ ./strace-static-x86_64: Process 7447 attached [pid 7446] <... prctl resumed>) = 0 [pid 7445] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7444] <... futex resumed>) = 0 [pid 7443] <... write resumed>) = 1 [pid 7440] <... mmap resumed>) = 0x7fc1280a9000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7434, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7446] setpgid(0, 0 [pid 7445] <... futex resumed>) = 1 [pid 7443] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7440] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7446] <... setpgid resumed>) = 0 [pid 7445] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7443] <... setsockopt resumed>) = 0 [pid 7440] <... mprotect resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7447] set_robust_list(0x7fc1280c99e0, 24 [pid 7446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 284.363063][ T7436] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 284.371053][ T7436] [pid 7443] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7435] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7447] <... set_robust_list resumed>) = 0 [pid 7446] <... openat resumed>) = 3 [pid 7435] <... futex resumed>) = 1 [pid 7447] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7435] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] <... socket resumed>) = 3 [pid 7447] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7444] <... futex resumed>) = 0 [pid 7447] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7444] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... setsockopt resumed>) = 0 [pid 7444] <... futex resumed>) = 0 [pid 7447] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] <... futex resumed>) = 0 [pid 7444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7447] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7444] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... setsockopt resumed>) = 0 [pid 7444] <... futex resumed>) = 0 [pid 7447] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 0 [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] <... futex resumed>) = 0 [pid 7444] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7448 attached [pid 7447] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] write(3, "1000", 4 [pid 7445] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7444] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... clone resumed>, parent_tid=[7448], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7448 [pid 7447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7444] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7449 attached [pid 7447] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] set_robust_list(0x5555564f35e0, 24 [pid 7447] <... setsockopt resumed>) = 0 [pid 7449] <... set_robust_list resumed>) = 0 [pid 7447] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7447] <... futex resumed>) = 1 [pid 7444] <... futex resumed>) = 0 [pid 7449] <... prctl resumed>) = 0 [pid 7447] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7444] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] setpgid(0, 0 [pid 7447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7444] <... futex resumed>) = 0 [pid 7449] <... setpgid resumed>) = 0 [pid 7447] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7447] <... sendto resumed>) = 1 [pid 7449] <... openat resumed>) = 3 [pid 7447] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] write(3, "1000", 4 [pid 7447] <... futex resumed>) = 1 [pid 7444] <... futex resumed>) = 0 [pid 7449] <... write resumed>) = 4 [pid 7447] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7444] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] close(3 [pid 7447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7444] <... futex resumed>) = 0 [pid 7449] <... close resumed>) = 0 [pid 7447] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] <... sendto resumed>) = 1 [pid 7449] <... futex resumed>) = 0 [pid 7447] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7447] <... futex resumed>) = 1 [pid 7444] <... futex resumed>) = 0 [pid 7449] <... mmap resumed>) = 0x7fc1280a9000 [pid 7447] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7444] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7447] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7444] <... futex resumed>) = 0 [pid 7449] <... mprotect resumed>) = 0 [pid 7447] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7444] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7449] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7447] <... openat resumed>) = 4 [pid 7447] write(4, "5", 1 [pid 7449] <... clone resumed>, parent_tid=[7450], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7450 [pid 7447] <... write resumed>) = 1 [pid 7449] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7447] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7449] <... futex resumed>) = 0 [pid 7447] <... setsockopt resumed>) = 0 [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7447] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7444] <... futex resumed>) = 0 [pid 7447] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7444] exit_group(0 [pid 7447] <... futex resumed>) = ? [ 284.410581][ T7443] FAULT_INJECTION: forcing a failure. [ 284.410581][ T7443] name fail_futex, interval 1, probability 0, space 0, times 0 [ 284.425981][ T7443] CPU: 1 PID: 7443 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 284.436533][ T7443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 284.446621][ T7443] Call Trace: [ 284.449918][ T7443] [ 284.452878][ T7443] dump_stack_lvl+0xcd/0x134 [pid 7444] <... exit_group resumed>) = ? [pid 7447] +++ exited with 0 +++ [pid 7444] +++ exited with 0 +++ ./strace-static-x86_64: Process 7450 attached [pid 7450] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7450] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7450] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7450] <... futex resumed>) = 1 [pid 7449] <... futex resumed>) = 0 [pid 7435] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7449] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... futex resumed>) = 0 [pid 7450] <... setsockopt resumed>) = 0 [pid 7449] <... futex resumed>) = 0 [pid 7435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7450] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] <... mmap resumed>) = 0x7fc128088000 [pid 7450] <... futex resumed>) = 0 [pid 7449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7450] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7449] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... mprotect resumed>) = 0 [pid 7450] <... setsockopt resumed>) = 0 [pid 7449] <... futex resumed>) = 0 [pid 7435] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7450] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7450] <... futex resumed>) = 0 [pid 7449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7435] <... clone resumed>, parent_tid=[7451], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7451 [pid 7450] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7449] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7450] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7450] <... setsockopt resumed>) = 0 [pid 7450] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7449] <... futex resumed>) = 0 [pid 7450] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 284.457501][ T7443] should_fail.cold+0x5/0xa [ 284.462128][ T7443] get_futex_key+0x5b2/0x1c50 [ 284.466834][ T7443] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 284.472847][ T7443] ? futex_setup_timer+0xf0/0xf0 [ 284.477823][ T7443] futex_wake+0xe4/0x490 [ 284.482103][ T7443] ? futex_wake_mark+0x1a0/0x1a0 [ 284.487067][ T7443] ? ptrace_stop.part.0+0x5ec/0xa80 [ 284.492275][ T7443] ? do_raw_spin_lock+0x120/0x2a0 [ 284.497334][ T7443] ? rwlock_bug.part.0+0x90/0x90 [ 284.502314][ T7443] ? _raw_spin_lock_irq+0x41/0x50 [ 284.507367][ T7443] do_futex+0x266/0x300 [ 284.511546][ T7443] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 284.517466][ T7443] ? find_held_lock+0x2d/0x110 [ 284.522245][ T7443] __x64_sys_futex+0x1b0/0x4a0 [ 284.527029][ T7443] ? do_futex+0x300/0x300 [ 284.531364][ T7443] ? _raw_spin_unlock_irq+0x1f/0x40 [ 284.536568][ T7443] ? lockdep_hardirqs_on+0x79/0x100 [ 284.541777][ T7443] ? _raw_spin_unlock_irq+0x2a/0x40 [ 284.546979][ T7443] ? ptrace_notify+0xfa/0x140 [ 284.551663][ T7443] do_syscall_64+0x35/0xb0 [ 284.556098][ T7443] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 284.561997][ T7443] RIP: 0033:0x7fc128117db9 [ 284.566414][ T7443] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 284.586034][ T7443] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 284.594449][ T7443] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 284.602421][ T7443] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7449] <... futex resumed>) = 0 [pid 7450] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7451 attached [pid 7450] <... sendto resumed>) = 1 [pid 7448] set_robust_list(0x7fc1280c99e0, 24 [pid 7446] <... write resumed>) = 4 [pid 7445] <... setsockopt resumed>) = 0 [pid 7443] <... futex resumed>) = -1 EFAULT (Bad address) [pid 7441] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7440] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7449 [pid 7451] set_robust_list(0x7fc1280a89e0, 24 [pid 7450] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... set_robust_list resumed>) = 0 [pid 7446] close(3 [pid 7445] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7443] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7441] exit_group(0 [pid 7440] <... futex resumed>) = 0 [pid 7435] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7444, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7451] <... set_robust_list resumed>) = 0 [pid 7450] <... futex resumed>) = 1 [pid 7449] <... futex resumed>) = 0 [pid 7448] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7446] <... close resumed>) = 0 [pid 7445] <... futex resumed>) = 0 [pid 7443] <... futex resumed>) = ? [pid 7441] <... exit_group resumed>) = ? [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 7451] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7450] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... socket resumed>) = 3 [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7443] +++ exited with 0 +++ [pid 7435] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... restart_syscall resumed>) = 0 [pid 7451] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7449] <... futex resumed>) = 0 [pid 7445] <... setsockopt resumed>) = 0 [pid 7441] +++ exited with 0 +++ [pid 7446] <... futex resumed>) = 0 [pid 7448] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7450] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7448] <... futex resumed>) = 1 [pid 7446] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7445] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7441, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 7451] <... futex resumed>) = 0 [pid 7450] <... sendto resumed>) = 1 [pid 7448] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] <... mmap resumed>) = 0x7fc1280a9000 [pid 7445] <... futex resumed>) = 1 [pid 7440] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7451] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7450] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7446] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7445] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] <... futex resumed>) = 0 [pid 7435] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7446] <... mprotect resumed>) = 0 [pid 7445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7450] <... futex resumed>) = 1 [pid 7449] <... futex resumed>) = 0 [pid 7448] <... setsockopt resumed>) = 0 [pid 7446] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7445] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7435] <... futex resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7452 ./strace-static-x86_64: Process 7453 attached ./strace-static-x86_64: Process 7452 attached [pid 7450] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... sendto resumed>) = 1 [pid 7435] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] set_robust_list(0x5555564f35e0, 24 [pid 7450] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7449] <... futex resumed>) = 0 [pid 7448] <... futex resumed>) = 1 [pid 7446] <... clone resumed>, parent_tid=[7453], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7453 [pid 7445] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... set_robust_list resumed>) = 0 [pid 7450] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7449] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7448] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 0 [pid 7440] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7454 [pid 7452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7450] <... openat resumed>) = 4 [pid 7448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7446] <... futex resumed>) = 0 [pid 7445] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7440] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7452] <... prctl resumed>) = 0 [pid 7450] write(4, "5", 1 [pid 7448] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] setpgid(0, 0 [pid 7450] <... write resumed>) = 1 [pid 7448] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7445] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... setpgid resumed>) = 0 [pid 7450] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7448] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] <... futex resumed>) = 0 [pid 7435] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] set_robust_list(0x7fc1280c99e0, 24 [pid 7452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7450] <... setsockopt resumed>) = 0 [pid 7448] <... futex resumed>) = 1 [pid 7445] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7440] <... futex resumed>) = 0 [pid 7435] <... futex resumed>) = 0 [pid 7453] <... set_robust_list resumed>) = 0 [pid 7452] <... openat resumed>) = 3 [pid 7450] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7445] <... openat resumed>) = 4 [pid 7440] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7454 attached [pid 7453] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7452] write(3, "1000", 4 [pid 7450] <... futex resumed>) = 1 [pid 7449] <... futex resumed>) = 0 [pid 7448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7445] write(4, "5", 1 [pid 7440] <... futex resumed>) = 0 [pid 7454] set_robust_list(0x5555564f35e0, 24 [pid 7453] <... socket resumed>) = 3 [pid 7452] <... write resumed>) = 4 [pid 7450] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7449] exit_group(0 [pid 7448] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7445] <... write resumed>) = 1 [ 284.610392][ T7443] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 284.618363][ T7443] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 284.626332][ T7443] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 284.634326][ T7443] [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7454] <... set_robust_list resumed>) = 0 [pid 7453] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] close(3 [pid 7450] <... futex resumed>) = ? [pid 7449] <... exit_group resumed>) = ? [pid 7448] <... setsockopt resumed>) = 0 [pid 7445] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7453] <... futex resumed>) = 1 [pid 7452] <... close resumed>) = 0 [pid 7450] +++ exited with 0 +++ [pid 7448] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] <... futex resumed>) = 0 [pid 7445] <... setsockopt resumed>) = 0 [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = 1 [pid 7446] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7445] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7440] <... futex resumed>) = 0 [pid 7454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7453] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7452] <... futex resumed>) = 0 [pid 7449] +++ exited with 0 +++ [pid 7448] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] <... futex resumed>) = 0 [pid 7454] <... prctl resumed>) = 0 [pid 7453] <... setsockopt resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7449, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7454] setpgid(0, 0 [pid 7453] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] <... setpgid resumed>) = 0 [pid 7453] <... futex resumed>) = 0 [pid 7454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7453] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7454] <... openat resumed>) = 3 [pid 7452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7440] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7455 attached [pid 7454] write(3, "1000", 4 [pid 3611] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7455 [pid 7454] <... write resumed>) = 4 [pid 7454] close(3) = 0 [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7454] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7454] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7454] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7456], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7456 [pid 7454] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7456 attached [pid 7456] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7456] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7456] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7456] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7454] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... setsockopt resumed>) = 0 [pid 7454] <... futex resumed>) = 0 [pid 7456] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7456] <... futex resumed>) = 0 [pid 7454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7456] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7456] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7456] <... setsockopt resumed>) = 0 [pid 7456] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7456] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7435] exit_group(0 [pid 7456] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [ 284.672419][ T7445] FAULT_INJECTION: forcing a failure. [ 284.672419][ T7445] name fail_futex, interval 1, probability 0, space 0, times 0 [ 284.685901][ T7445] CPU: 1 PID: 7445 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 284.696442][ T7445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 284.706524][ T7445] Call Trace: [ 284.709821][ T7445] [ 284.712777][ T7445] dump_stack_lvl+0xcd/0x134 [ 284.717404][ T7445] should_fail.cold+0x5/0xa [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7435] <... exit_group resumed>) = ? [pid 7456] <... setsockopt resumed>) = 0 [pid 7456] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7456] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7456] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7456] <... sendto resumed>) = 1 [pid 7456] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7456] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7456] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7456] <... sendto resumed>) = 1 [pid 7456] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7456] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] <... mmap resumed>) = 0x7fc1280a9000 [pid 7456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7454] <... futex resumed>) = 0 [pid 7452] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7456] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7454] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7452] <... mprotect resumed>) = 0 [pid 7456] <... openat resumed>) = 4 [pid 7452] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7456] write(4, "5", 1) = 1 [pid 7452] <... clone resumed>, parent_tid=[7457], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7457 [pid 7456] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7452] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7456] <... setsockopt resumed>) = 0 [pid 7452] <... futex resumed>) = 0 [pid 7456] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7456] <... futex resumed>) = 1 [pid 7454] <... futex resumed>) = 0 [pid 7456] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7454] exit_group(0 [pid 7456] <... futex resumed>) = ? [pid 7454] <... exit_group resumed>) = ? [pid 7456] +++ exited with 0 +++ [pid 7454] +++ exited with 0 +++ ./strace-static-x86_64: Process 7457 attached [pid 7457] set_robust_list(0x7fc1280c99e0, 24 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7454, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7457] <... set_robust_list resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7457] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7458 [pid 7457] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7457] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7452] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... setsockopt resumed>) = 0 [pid 7452] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7458 attached [ 284.721948][ T7445] get_futex_key+0x5b2/0x1c50 [ 284.726659][ T7445] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 284.732673][ T7445] ? futex_setup_timer+0xf0/0xf0 [ 284.737649][ T7445] futex_wake+0xe4/0x490 [ 284.741923][ T7445] ? futex_wake_mark+0x1a0/0x1a0 [ 284.746906][ T7445] ? ptrace_stop.part.0+0x5ec/0xa80 [ 284.752135][ T7445] ? do_raw_spin_lock+0x120/0x2a0 [ 284.757187][ T7445] ? rwlock_bug.part.0+0x90/0x90 [ 284.762151][ T7445] ? _raw_spin_lock_irq+0x41/0x50 [ 284.767209][ T7445] do_futex+0x266/0x300 [pid 7457] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] set_robust_list(0x5555564f35e0, 24 [pid 7457] <... futex resumed>) = 0 [pid 7452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... set_robust_list resumed>) = 0 [pid 7457] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... futex resumed>) = 0 [pid 7458] <... prctl resumed>) = 0 [pid 7457] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] setpgid(0, 0 [pid 7457] <... setsockopt resumed>) = 0 [pid 7458] <... setpgid resumed>) = 0 [pid 7457] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7457] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7458] <... openat resumed>) = 3 [pid 7457] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] write(3, "1000", 4 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... futex resumed>) = 0 [pid 7458] <... write resumed>) = 4 [pid 7457] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] close(3 [pid 7457] <... setsockopt resumed>) = 0 [pid 7458] <... close resumed>) = 0 [pid 7457] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7458] <... futex resumed>) = 0 [pid 7457] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... futex resumed>) = 0 [pid 7458] <... mmap resumed>) = 0x7fc1280a9000 [pid 7457] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7457] <... sendto resumed>) = 1 [pid 7458] <... mprotect resumed>) = 0 [pid 7457] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7457] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7457] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7458] <... clone resumed>, parent_tid=[7459], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7459 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... futex resumed>) = 0 [pid 7458] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7458] <... futex resumed>) = 0 [pid 7457] <... sendto resumed>) = 1 [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7452] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7459 attached [pid 7457] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] set_robust_list(0x7fc1280c99e0, 24 [pid 7457] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7452] <... futex resumed>) = 0 [pid 7459] <... set_robust_list resumed>) = 0 [pid 7457] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7452] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7457] <... openat resumed>) = 4 [pid 7459] <... socket resumed>) = 3 [pid 7457] write(4, "5", 1 [pid 7459] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... write resumed>) = 1 [pid 7459] <... futex resumed>) = 1 [ 284.771395][ T7445] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 284.777311][ T7445] ? find_held_lock+0x2d/0x110 [ 284.782114][ T7445] __x64_sys_futex+0x1b0/0x4a0 [ 284.786910][ T7445] ? do_futex+0x300/0x300 [ 284.791271][ T7445] ? _raw_spin_unlock_irq+0x1f/0x40 [ 284.796500][ T7445] ? lockdep_hardirqs_on+0x79/0x100 [ 284.801729][ T7445] ? _raw_spin_unlock_irq+0x2a/0x40 [ 284.806959][ T7445] ? ptrace_notify+0xfa/0x140 [ 284.811691][ T7445] do_syscall_64+0x35/0xb0 [ 284.816149][ T7445] entry_SYSCALL_64_after_hwframe+0x63/0xcd [pid 7458] <... futex resumed>) = 0 [pid 7457] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7459] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... setsockopt resumed>) = 0 [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7457] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7457] <... futex resumed>) = 1 [pid 7452] <... futex resumed>) = 0 [pid 7459] <... setsockopt resumed>) = 0 [pid 7457] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7452] exit_group(0 [pid 7459] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7457] <... futex resumed>) = ? [pid 7452] <... exit_group resumed>) = ? [pid 7459] <... futex resumed>) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7457] +++ exited with 0 +++ [pid 7452] +++ exited with 0 +++ [pid 7459] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7459] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7459] <... setsockopt resumed>) = 0 [pid 7459] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7460 [pid 7459] <... futex resumed>) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7459] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7459] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7459] <... setsockopt resumed>) = 0 [pid 7459] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7459] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7460 attached [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7460] set_robust_list(0x5555564f35e0, 24 [pid 7459] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] <... set_robust_list resumed>) = 0 [pid 7459] <... sendto resumed>) = 1 [pid 7460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7459] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... prctl resumed>) = 0 [pid 7459] <... futex resumed>) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7460] setpgid(0, 0 [pid 7459] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... setpgid resumed>) = 0 [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7459] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] <... openat resumed>) = 3 [pid 7459] <... sendto resumed>) = 1 [pid 7460] write(3, "1000", 4 [pid 7459] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... write resumed>) = 4 [pid 7459] <... futex resumed>) = 1 [pid 7458] <... futex resumed>) = 0 [ 284.822076][ T7445] RIP: 0033:0x7fc128117db9 [ 284.826517][ T7445] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 284.846159][ T7445] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 284.854610][ T7445] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 284.862611][ T7445] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7460] close(3 [pid 7459] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... close resumed>) = 0 [pid 7459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7458] <... futex resumed>) = 0 [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7458] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7460] <... futex resumed>) = 0 [pid 7459] <... openat resumed>) = 4 [pid 7460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7459] write(4, "5", 1 [pid 7460] <... mmap resumed>) = 0x7fc1280a9000 [pid 7459] <... write resumed>) = 1 [pid 7460] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7459] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7460] <... mprotect resumed>) = 0 [pid 7459] <... setsockopt resumed>) = 0 [pid 7460] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7459] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7458] <... futex resumed>) = 0 [pid 7460] <... clone resumed>, parent_tid=[7461], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7461 [pid 7459] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7458] exit_group(0 [pid 7460] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7459] <... futex resumed>) = ? [pid 7458] <... exit_group resumed>) = ? [pid 7460] <... futex resumed>) = 0 [pid 7459] +++ exited with 0 +++ [pid 7458] +++ exited with 0 +++ [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7458, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7448] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 3615] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7461 attached [pid 7448] <... sendto resumed>) = 1 [pid 3615] <... restart_syscall resumed>) = 0 [pid 7461] set_robust_list(0x7fc1280c99e0, 24 [pid 7448] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... set_robust_list resumed>) = 0 [pid 7448] <... futex resumed>) = 0 [pid 7461] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7448] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7461] <... socket resumed>) = 3 [pid 7461] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7462 [pid 7461] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7451] <... futex resumed>) = ? [pid 7448] <... futex resumed>) = 0 [pid 7446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] <... futex resumed>) = 1 [pid 7461] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7451] +++ exited with 0 +++ [pid 7448] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7460] <... futex resumed>) = 0 [pid 7453] <... futex resumed>) = 0 [pid 7446] <... futex resumed>) = 1 [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7462 attached [pid 7461] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] set_robust_list(0x5555564f35e0, 24 [pid 7453] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7445] <... futex resumed>) = ? [pid 7440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7462] set_robust_list(0x5555564f35e0, 24 [pid 7461] <... setsockopt resumed>) = 0 [pid 7455] <... set_robust_list resumed>) = 0 [pid 7453] <... setsockopt resumed>) = 0 [pid 7440] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... set_robust_list resumed>) = 0 [pid 7461] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7453] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = 0 [pid 7445] +++ exited with 0 +++ [pid 7440] <... futex resumed>) = 1 [pid 7435] +++ exited with 0 +++ [pid 7462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7461] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7455] <... prctl resumed>) = 0 [pid 7453] <... futex resumed>) = 1 [pid 7448] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7446] <... futex resumed>) = 0 [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7462] <... prctl resumed>) = 0 [pid 7461] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] setpgid(0, 0 [pid 7453] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7446] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7435, si_uid=0, si_status=0, si_utime=0, si_stime=23} --- [pid 7462] setpgid(0, 0 [pid 7461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7460] <... futex resumed>) = 0 [pid 7455] <... setpgid resumed>) = 0 [pid 7453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7448] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] <... futex resumed>) = 0 [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 7462] <... setpgid resumed>) = 0 [pid 7461] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7453] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7448] <... futex resumed>) = 1 [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7440] <... futex resumed>) = 0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 7462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7461] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7455] <... openat resumed>) = 3 [pid 7453] <... setsockopt resumed>) = 0 [pid 7448] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7440] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... openat resumed>) = 3 [pid 7461] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] write(3, "1000", 4 [pid 7453] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7440] <... futex resumed>) = 0 [pid 7462] write(3, "1000", 4 [pid 7461] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7455] <... write resumed>) = 4 [pid 7453] <... futex resumed>) = 1 [pid 7448] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7446] <... futex resumed>) = 0 [pid 7440] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7462] <... write resumed>) = 4 [pid 7461] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] close(3 [pid 7453] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7448] <... openat resumed>) = 4 [pid 7446] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7462] close(3 [pid 7461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7460] <... futex resumed>) = 0 [pid 7455] <... close resumed>) = 0 [pid 7453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7448] write(4, "5", 1 [pid 7446] <... futex resumed>) = 0 [pid 7462] <... close resumed>) = 0 [ 284.871307][ T7445] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 284.879311][ T7445] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 284.893911][ T7445] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 284.901949][ T7445] [pid 7461] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7448] <... write resumed>) = 1 [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... setsockopt resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7462] <... futex resumed>) = 0 [pid 7455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7455] <... mmap resumed>) = 0x7fc1280a9000 [pid 7462] <... mmap resumed>) = 0x7fc1280a9000 [pid 7455] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7462] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7455] <... mprotect resumed>) = 0 [pid 7462] <... mprotect resumed>) = 0 [pid 7455] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7462] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7461] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7463 [pid 7461] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7455] <... clone resumed>, parent_tid=[7464], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7464 [pid 7448] <... setsockopt resumed>) = 0 [pid 7462] <... clone resumed>, parent_tid=[7465], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7465 [pid 7461] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7448] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7460] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7462] <... futex resumed>) = 0 [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7465 attached [pid 7465] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7465] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7465] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... futex resumed>) = 0 [pid 7462] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = 0 [pid 7465] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7464 attached [pid 7465] <... setsockopt resumed>) = 0 [pid 7465] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] set_robust_list(0x7fc1280c99e0, 24 [pid 7465] <... futex resumed>) = 1 [pid 7464] <... set_robust_list resumed>) = 0 [pid 7462] <... futex resumed>) = 0 [pid 7465] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7464] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7462] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7464] <... socket resumed>) = 3 [pid 7462] <... futex resumed>) = 0 [pid 7465] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... futex resumed>) = 0 [pid 7464] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 7465] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7464] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... setsockopt resumed>) = 0 [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7462] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7465] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... futex resumed>) = 0 [pid 7464] <... setsockopt resumed>) = 0 [pid 7462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7465] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7464] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7464] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7465] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7464] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... sendto resumed>) = 1 [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 7465] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... futex resumed>) = 1 [pid 7464] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7462] <... futex resumed>) = 0 [pid 7465] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7464] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7464] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7465] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7464] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 7465] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7461] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7465] <... futex resumed>) = 1 [pid 7464] <... setsockopt resumed>) = 0 [pid 7462] <... futex resumed>) = 0 [pid 7453] <... sendto resumed>) = 1 [pid 7465] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7464] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7464] <... futex resumed>) = 1 [pid 7462] <... futex resumed>) = 0 [pid 7455] <... futex resumed>) = 0 [pid 7465] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7464] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7462] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7461] <... sendto resumed>) = 1 [pid 7455] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7463 attached [pid 7465] <... openat resumed>) = 4 [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7461] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7455] <... futex resumed>) = 0 [pid 7453] <... futex resumed>) = 1 [pid 7446] <... futex resumed>) = 0 [pid 7465] write(4, "5", 1 [ 284.933620][ T7448] FAULT_INJECTION: forcing a failure. [ 284.933620][ T7448] name fail_futex, interval 1, probability 0, space 0, times 0 [ 284.956270][ T7448] CPU: 0 PID: 7448 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 284.959748][ T7465] FAULT_INJECTION: forcing a failure. [ 284.959748][ T7465] name fail_futex, interval 1, probability 0, space 0, times 0 [pid 7464] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7461] <... futex resumed>) = 1 [pid 7460] <... futex resumed>) = 0 [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7453] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7463] set_robust_list(0x5555564f35e0, 24 [pid 7446] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7465] <... write resumed>) = 1 [pid 7464] <... sendto resumed>) = 1 [pid 7446] <... futex resumed>) = 0 [pid 7465] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7464] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7465] <... setsockopt resumed>) = 0 [pid 7464] <... futex resumed>) = 1 [pid 7455] <... futex resumed>) = 0 [pid 7465] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7455] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 7440] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7464] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7440] exit_group(0 [pid 7464] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7440] <... exit_group resumed>) = ? [pid 7464] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7455] <... futex resumed>) = 0 [pid 7464] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7455] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7455] <... futex resumed>) = 0 [pid 7464] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7455] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7464] <... openat resumed>) = 4 [pid 7464] write(4, "5", 1) = 1 [pid 7464] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7464] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7462] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7462] exit_group(0 [pid 7453] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7462] <... exit_group resumed>) = ? [pid 7453] <... sendto resumed>) = 1 [pid 7453] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7446] <... futex resumed>) = 0 [pid 7453] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7446] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7446] <... futex resumed>) = 0 [pid 7453] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7446] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7453] <... openat resumed>) = 4 [pid 7453] write(4, "5", 1) = 1 [ 284.966812][ T7448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 284.966830][ T7448] Call Trace: [ 284.966838][ T7448] [ 284.966848][ T7448] dump_stack_lvl+0xcd/0x134 [ 284.966880][ T7448] should_fail.cold+0x5/0xa [ 284.966908][ T7448] get_futex_key+0x5b2/0x1c50 [ 284.985057][ T7464] FAULT_INJECTION: forcing a failure. [ 284.985057][ T7464] name fail_futex, interval 1, probability 0, space 0, times 0 [ 284.989823][ T7448] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 284.989859][ T7448] ? futex_setup_timer+0xf0/0xf0 [ 285.033513][ T7448] futex_wake+0xe4/0x490 [ 285.037771][ T7448] ? futex_wake_mark+0x1a0/0x1a0 [ 285.042712][ T7448] ? ptrace_stop.part.0+0x5ec/0xa80 [ 285.047920][ T7448] ? do_raw_spin_lock+0x120/0x2a0 [ 285.052946][ T7448] ? rwlock_bug.part.0+0x90/0x90 [ 285.057884][ T7448] ? _raw_spin_lock_irq+0x41/0x50 [ 285.062916][ T7448] do_futex+0x266/0x300 [ 285.067076][ T7448] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 285.072972][ T7448] ? find_held_lock+0x2d/0x110 [ 285.077748][ T7448] __x64_sys_futex+0x1b0/0x4a0 [ 285.082515][ T7448] ? do_futex+0x300/0x300 [ 285.086845][ T7448] ? _raw_spin_unlock_irq+0x1f/0x40 [ 285.092046][ T7448] ? lockdep_hardirqs_on+0x79/0x100 [ 285.097247][ T7448] ? _raw_spin_unlock_irq+0x2a/0x40 [ 285.102464][ T7448] ? ptrace_notify+0xfa/0x140 [ 285.107146][ T7448] do_syscall_64+0x35/0xb0 [ 285.111566][ T7448] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 285.117463][ T7448] RIP: 0033:0x7fc128117db9 [ 285.121878][ T7448] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 285.141489][ T7448] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 285.149921][ T7448] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 285.157900][ T7448] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 285.165877][ T7448] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 285.173860][ T7448] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7453] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7463] <... set_robust_list resumed>) = 0 [pid 7461] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7453] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7446] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7461] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7460] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] <... futex resumed>) = 0 [pid 7461] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7453] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7461] <... futex resumed>) = 0 [pid 7461] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 7461] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7460] <... futex resumed>) = 1 [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 7460] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7461] <... futex resumed>) = 0 [pid 7460] <... futex resumed>) = 1 [pid 7461] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7460] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7461] <... openat resumed>) = 4 [pid 7461] write(4, "5", 1) = 1 [pid 7461] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 285.181836][ T7448] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 285.189827][ T7448] [ 285.196177][ T7464] CPU: 0 PID: 7464 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 285.206725][ T7464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 285.208904][ T7461] FAULT_INJECTION: forcing a failure. [ 285.208904][ T7461] name fail_futex, interval 1, probability 0, space 0, times 0 [ 285.216783][ T7464] Call Trace: [pid 7461] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7460] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7460] exit_group(0) = ? [pid 7463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7463] setpgid(0, 0) = 0 [pid 7463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7463] write(3, "1000", 4) = 4 [pid 7463] close(3) = 0 [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7463] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7463] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7466], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7466 [pid 7463] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7466 attached [ 285.216792][ T7464] [ 285.216801][ T7464] dump_stack_lvl+0xcd/0x134 [ 285.216834][ T7464] should_fail.cold+0x5/0xa [ 285.216860][ T7464] get_futex_key+0x5b2/0x1c50 [ 285.216883][ T7464] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 285.216911][ T7464] ? futex_setup_timer+0xf0/0xf0 [ 285.216943][ T7464] futex_wake+0xe4/0x490 [ 285.216969][ T7464] ? futex_wake_mark+0x1a0/0x1a0 [ 285.216992][ T7464] ? ptrace_stop.part.0+0x5ec/0xa80 [ 285.217017][ T7464] ? do_raw_spin_lock+0x120/0x2a0 [ 285.279970][ T7464] ? rwlock_bug.part.0+0x90/0x90 [pid 7466] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7466] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7466] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] <... futex resumed>) = 1 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 285.284927][ T7464] ? _raw_spin_lock_irq+0x41/0x50 [ 285.289986][ T7464] do_futex+0x266/0x300 [ 285.294170][ T7464] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 285.300083][ T7464] ? find_held_lock+0x2d/0x110 [ 285.304876][ T7464] __x64_sys_futex+0x1b0/0x4a0 [ 285.309674][ T7464] ? do_futex+0x300/0x300 [ 285.314023][ T7464] ? _raw_spin_unlock_irq+0x1f/0x40 [ 285.319245][ T7464] ? lockdep_hardirqs_on+0x79/0x100 [ 285.324472][ T7464] ? _raw_spin_unlock_irq+0x2a/0x40 [ 285.326415][ T7466] FAULT_INJECTION: forcing a failure. [ 285.326415][ T7466] name fail_futex, interval 1, probability 0, space 0, times 0 [ 285.329680][ T7464] ? ptrace_notify+0xfa/0x140 [ 285.329714][ T7464] do_syscall_64+0x35/0xb0 [ 285.351578][ T7464] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 285.357508][ T7464] RIP: 0033:0x7fc128117db9 [ 285.361939][ T7464] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [pid 7466] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7466] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7463] <... futex resumed>) = 0 [pid 7463] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7463] <... futex resumed>) = 0 [pid 7466] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] <... futex resumed>) = 0 [pid 7463] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7463] <... futex resumed>) = 0 [pid 7466] <... setsockopt resumed>) = 0 [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] <... futex resumed>) = 0 [pid 7463] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7463] <... futex resumed>) = 0 [pid 7466] <... sendto resumed>) = 1 [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] <... futex resumed>) = 0 [pid 7463] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7463] <... futex resumed>) = 0 [pid 7466] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7466] <... futex resumed>) = 0 [pid 7463] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7466] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7463] <... futex resumed>) = 0 [pid 7466] <... openat resumed>) = 4 [pid 7463] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7466] write(4, "5", 1) = 1 [pid 7466] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7466] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7463] exit_group(0) = ? [pid 7455] exit_group(0) = ? [ 285.381655][ T7464] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 285.390099][ T7464] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 285.398083][ T7464] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 285.406064][ T7464] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 285.414051][ T7464] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 285.422039][ T7464] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 285.430035][ T7464] [ 285.435035][ T7465] CPU: 1 PID: 7465 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 285.445583][ T7465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 285.455640][ T7465] Call Trace: [ 285.458922][ T7465] [ 285.461875][ T7465] dump_stack_lvl+0xcd/0x134 [ 285.466507][ T7465] should_fail.cold+0x5/0xa [ 285.471051][ T7465] get_futex_key+0x5b2/0x1c50 [ 285.475741][ T7465] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 285.481741][ T7465] ? futex_setup_timer+0xf0/0xf0 [ 285.486712][ T7465] futex_wake+0xe4/0x490 [ 285.490964][ T7465] ? futex_wake_mark+0x1a0/0x1a0 [ 285.495916][ T7465] ? ptrace_stop.part.0+0x5ec/0xa80 [ 285.501117][ T7465] ? do_raw_spin_lock+0x120/0x2a0 [ 285.506166][ T7465] ? rwlock_bug.part.0+0x90/0x90 [ 285.511110][ T7465] ? _raw_spin_lock_irq+0x41/0x50 [ 285.516146][ T7465] do_futex+0x266/0x300 [ 285.520310][ T7465] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 285.526208][ T7465] ? find_held_lock+0x2d/0x110 [ 285.531002][ T7465] __x64_sys_futex+0x1b0/0x4a0 [ 285.535772][ T7465] ? do_futex+0x300/0x300 [ 285.540109][ T7465] ? _raw_spin_unlock_irq+0x1f/0x40 [ 285.545311][ T7465] ? lockdep_hardirqs_on+0x79/0x100 [ 285.550537][ T7465] ? _raw_spin_unlock_irq+0x2a/0x40 [ 285.555751][ T7465] ? ptrace_notify+0xfa/0x140 [ 285.560450][ T7465] do_syscall_64+0x35/0xb0 [ 285.564897][ T7465] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 285.570812][ T7465] RIP: 0033:0x7fc128117db9 [ 285.575241][ T7465] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 285.594857][ T7465] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 285.603274][ T7465] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 285.611249][ T7465] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 285.619227][ T7465] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 285.627199][ T7465] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [pid 7446] exit_group(0 [pid 7464] <... futex resumed>) = ? [pid 7453] <... futex resumed>) = ? [pid 7448] <... futex resumed>) = ? [pid 7446] <... exit_group resumed>) = ? [pid 7453] +++ exited with 0 +++ [ 285.635170][ T7465] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 285.643154][ T7465] [ 285.646729][ T7466] CPU: 0 PID: 7466 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 285.657259][ T7466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 285.667326][ T7466] Call Trace: [ 285.670614][ T7466] [ 285.673558][ T7466] dump_stack_lvl+0xcd/0x134 [ 285.678260][ T7466] should_fail.cold+0x5/0xa [pid 7464] +++ exited with 0 +++ [pid 7455] +++ exited with 0 +++ [pid 7446] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7446, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7455, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 7448] +++ exited with 0 +++ [pid 7440] +++ exited with 0 +++ [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7467 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7468 ./strace-static-x86_64: Process 7468 attached [pid 7468] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7468] setpgid(0, 0) = 0 [ 285.682783][ T7466] get_futex_key+0x5b2/0x1c50 [ 285.687488][ T7466] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 285.693481][ T7466] ? futex_setup_timer+0xf0/0xf0 [ 285.698439][ T7466] futex_wake+0xe4/0x490 [ 285.702698][ T7466] ? futex_wake_mark+0x1a0/0x1a0 [ 285.707656][ T7466] ? ptrace_stop.part.0+0x5ec/0xa80 [ 285.712975][ T7466] ? do_raw_spin_lock+0x120/0x2a0 [ 285.718032][ T7466] ? rwlock_bug.part.0+0x90/0x90 [ 285.722999][ T7466] ? _raw_spin_lock_irq+0x41/0x50 [ 285.728078][ T7466] do_futex+0x266/0x300 [pid 7468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7468] write(3, "1000", 4) = 4 [pid 7468] close(3) = 0 [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7468] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7468] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7468] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7469], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7469 [pid 7468] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7469 attached [pid 7469] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7469] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7469] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7469] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7469] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] <... setsockopt resumed>) = 0 [pid 7469] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7469] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7469] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] <... setsockopt resumed>) = 0 [pid 7469] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7469] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7469] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] <... setsockopt resumed>) = 0 [pid 7469] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7469] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [ 285.732256][ T7466] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 285.738174][ T7466] ? find_held_lock+0x2d/0x110 [ 285.742974][ T7466] __x64_sys_futex+0x1b0/0x4a0 [ 285.748134][ T7466] ? do_futex+0x300/0x300 [ 285.752491][ T7466] ? _raw_spin_unlock_irq+0x1f/0x40 [ 285.757716][ T7466] ? lockdep_hardirqs_on+0x79/0x100 [ 285.762929][ T7466] ? _raw_spin_unlock_irq+0x2a/0x40 [ 285.768145][ T7466] ? ptrace_notify+0xfa/0x140 [ 285.772890][ T7466] do_syscall_64+0x35/0xb0 [ 285.777346][ T7466] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 285.783282][ T7466] RIP: 0033:0x7fc128117db9 [pid 7469] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] <... sendto resumed>) = 1 [pid 7469] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7469] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [ 285.787722][ T7466] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 285.807530][ T7466] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 285.816008][ T7466] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 285.824004][ T7466] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7468] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7469] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] <... sendto resumed>) = 1 [pid 7469] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7469] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7468] <... futex resumed>) = 0 [pid 7469] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7468] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7469] <... openat resumed>) = 4 [pid 7469] write(4, "5", 1) = 1 [pid 7469] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7469] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7468] <... futex resumed>) = 0 [pid 7469] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7468] exit_group(0 [pid 7469] <... futex resumed>) = ? [pid 7468] <... exit_group resumed>) = ? [pid 7469] +++ exited with 0 +++ [pid 7468] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7468, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7470 ./strace-static-x86_64: Process 7470 attached [pid 7470] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7470] setpgid(0, 0) = 0 [pid 7470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7470] write(3, "1000", 4) = 4 [pid 7470] close(3) = 0 [pid 7470] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7470] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7470] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7471], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7471 [pid 7470] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7471 attached [pid 7471] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7471] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7471] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7470] <... futex resumed>) = 0 [pid 7471] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7470] <... futex resumed>) = 0 [pid 7471] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7470] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7471] <... setsockopt resumed>) = 0 [pid 7471] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7470] <... futex resumed>) = 0 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7440, si_uid=0, si_status=0, si_utime=0, si_stime=25} --- [ 285.831992][ T7466] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 285.839980][ T7466] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 285.847976][ T7466] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 285.855989][ T7466] [ 285.864670][ T7461] CPU: 1 PID: 7461 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 285.875341][ T7461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 285.885502][ T7461] Call Trace: [ 285.888799][ T7461] [ 285.891747][ T7461] dump_stack_lvl+0xcd/0x134 [ 285.896370][ T7461] should_fail.cold+0x5/0xa [ 285.900906][ T7461] get_futex_key+0x5b2/0x1c50 [ 285.905610][ T7461] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 285.911628][ T7461] ? futex_setup_timer+0xf0/0xf0 [ 285.916601][ T7461] futex_wake+0xe4/0x490 [ 285.920876][ T7461] ? futex_wake_mark+0x1a0/0x1a0 [ 285.925843][ T7461] ? ptrace_stop.part.0+0x5ec/0xa80 [ 285.931072][ T7461] ? do_raw_spin_lock+0x120/0x2a0 [ 285.936220][ T7461] ? rwlock_bug.part.0+0x90/0x90 [ 285.941187][ T7461] ? _raw_spin_lock_irq+0x41/0x50 [ 285.946246][ T7461] do_futex+0x266/0x300 [ 285.950439][ T7461] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 285.951168][ T7477] FAULT_INJECTION: forcing a failure. [ 285.951168][ T7477] name fail_futex, interval 1, probability 0, space 0, times 0 [ 285.956336][ T7461] ? find_held_lock+0x2d/0x110 [ 285.956375][ T7461] __x64_sys_futex+0x1b0/0x4a0 [ 285.978637][ T7461] ? do_futex+0x300/0x300 [ 285.982970][ T7461] ? _raw_spin_unlock_irq+0x1f/0x40 [ 285.988191][ T7461] ? lockdep_hardirqs_on+0x79/0x100 [ 285.993395][ T7461] ? _raw_spin_unlock_irq+0x2a/0x40 [ 285.998842][ T7461] ? ptrace_notify+0xfa/0x140 [ 286.003527][ T7461] do_syscall_64+0x35/0xb0 [ 286.007945][ T7461] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.013845][ T7461] RIP: 0033:0x7fc128117db9 [ 286.018261][ T7461] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 286.037871][ T7461] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 286.046289][ T7461] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 286.054262][ T7461] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 286.062249][ T7461] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 286.070221][ T7461] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 286.078282][ T7461] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [pid 7471] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7467 attached [pid 7466] <... futex resumed>) = ? [pid 7465] <... futex resumed>) = ? [pid 7467] set_robust_list(0x5555564f35e0, 24 [pid 7466] +++ exited with 0 +++ [pid 7463] +++ exited with 0 +++ [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7467] <... set_robust_list resumed>) = 0 [pid 7465] +++ exited with 0 +++ [pid 7462] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7463, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3607] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7472 [pid 7467] <... prctl resumed>) = 0 [pid 7467] setpgid(0, 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7467] <... setpgid resumed>) = 0 [pid 7467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7473 [pid 7467] <... openat resumed>) = 3 [pid 7467] write(3, "1000", 4) = 4 [pid 7467] close(3) = 0 [pid 7467] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7467] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7467] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7474], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7474 [pid 7467] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7467] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7473 attached [pid 7473] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7473] setpgid(0, 0) = 0 [pid 7473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7473] write(3, "1000", 4) = 4 [pid 7473] close(3) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7473] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7473] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7475], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7475 [pid 7473] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7475 attached [pid 7475] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7475] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 7475] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... futex resumed>) = 0 [pid 7473] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] <... futex resumed>) = 1 [pid 7475] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7475] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... futex resumed>) = 0 [pid 7473] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] <... futex resumed>) = 1 [pid 7475] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 7475] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... futex resumed>) = 0 [pid 7473] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] <... futex resumed>) = 1 [pid 7475] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = 0 [pid 7475] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7473] <... futex resumed>) = 0 [pid 7475] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7473] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] <... sendto resumed>) = 1 [pid 7475] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... futex resumed>) = 0 [pid 7473] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] <... futex resumed>) = 1 [pid 7475] sendto(3, "\x01", 1, 0, NULL, 0) = 1 [pid 7475] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7473] <... futex resumed>) = 0 [pid 7473] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7473] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7475] <... futex resumed>) = 1 [pid 7475] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7475] write(4, "5", 1) = 1 [pid 7475] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7475] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7473] <... futex resumed>) = 0 [pid 7475] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7473] exit_group(0 [pid 7475] <... futex resumed>) = ? [pid 7473] <... exit_group resumed>) = ? [pid 7475] +++ exited with 0 +++ [pid 7473] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7473, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7476 ./strace-static-x86_64: Process 7476 attached [pid 7476] set_robust_list(0x5555564f35e0, 24) = 0 [pid 7476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7476] setpgid(0, 0) = 0 [pid 7476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 7476] write(3, "1000", 4) = 4 [pid 7476] close(3) = 0 [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7476] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc1280a9000 [pid 7476] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7476] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7477], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7477 [pid 7476] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7477 attached [pid 7477] set_robust_list(0x7fc1280c99e0, 24) = 0 [pid 7477] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP) = 3 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7462, si_uid=0, si_status=0, si_utime=0, si_stime=27} --- [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 7471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3615] <... restart_syscall resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564f35d0) = 7478 [pid 7471] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = 0 [pid 7471] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7471] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7477] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] <... futex resumed>) = 0 [pid 7476] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7476] <... futex resumed>) = 0 [pid 7467] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] <... futex resumed>) = 0 [pid 7467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7467] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7467] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7479], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7479 [pid 7467] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7467] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7477] <... futex resumed>) = 1 [pid 7477] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = 0 [pid 7477] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] <... futex resumed>) = 0 [pid 7476] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7477] <... futex resumed>) = 1 [pid 7477] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EADDRINUSE (Address already in use) [pid 7477] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7476] <... futex resumed>) = 0 [pid 7477] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7476] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] <... setsockopt resumed>) = 0 [pid 7476] <... futex resumed>) = 0 [pid 7477] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7477] <... futex resumed>) = 0 [pid 7476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7477] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7476] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7478 attached [pid 7477] <... sendto resumed>) = 1 [pid 7476] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7479 attached [pid 7478] set_robust_list(0x5555564f35e0, 24 [pid 7477] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] set_robust_list(0x7fc1280a89e0, 24 [pid 7478] <... set_robust_list resumed>) = 0 [pid 7477] <... futex resumed>) = 0 [pid 7476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7479] <... set_robust_list resumed>) = 0 [pid 7478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7477] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7476] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7478] <... prctl resumed>) = 0 [pid 7477] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7476] <... futex resumed>) = 0 [pid 7479] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7478] setpgid(0, 0 [pid 7477] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... setpgid resumed>) = 0 [pid 7477] <... futex resumed>) = 0 [pid 7476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7479] <... futex resumed>) = 1 [pid 7478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7477] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7476] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = 0 [pid 7479] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] <... openat resumed>) = 3 [pid 7477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7476] <... futex resumed>) = 0 [pid 7467] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] write(3, "1000", 4 [pid 7477] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7476] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] <... futex resumed>) = 0 [pid 7479] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7478] <... write resumed>) = 4 [pid 7477] <... openat resumed>) = 4 [pid 7467] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7478] close(3 [pid 7477] write(4, "5", 1 [pid 7479] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... close resumed>) = 0 [pid 7477] <... write resumed>) = 1 [pid 7479] <... futex resumed>) = 1 [pid 7478] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7467] <... futex resumed>) = 0 [pid 7479] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] <... futex resumed>) = 0 [pid 7477] <... setsockopt resumed>) = 0 [pid 7467] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7477] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... futex resumed>) = 0 [pid 7479] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7478] <... mmap resumed>) = 0x7fc1280a9000 [pid 7467] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7478] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7479] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... mprotect resumed>) = 0 [pid 7479] <... futex resumed>) = 1 [pid 7478] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7467] <... futex resumed>) = 0 [pid 7479] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7467] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] <... clone resumed>, parent_tid=[7480], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7480 [pid 7467] <... futex resumed>) = 0 [pid 7479] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7478] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7478] <... futex resumed>) = 0 [pid 7479] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] <... futex resumed>) = 1 [pid 7467] <... futex resumed>) = 0 [pid 7479] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7476] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7471] <... futex resumed>) = 0 [pid 7470] <... futex resumed>) = 1 [pid 7467] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7476] exit_group(0 [pid 7470] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7479] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7478] <... futex resumed>) = 0 [pid 7476] <... exit_group resumed>) = ? [pid 7471] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7467] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7480 attached [pid 7479] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7470] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] set_robust_list(0x7fc1280c99e0, 24 [pid 7479] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7478] <... mmap resumed>) = 0x7fc128088000 [pid 7471] <... futex resumed>) = 0 [pid 7470] <... futex resumed>) = 1 [pid 7467] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7474 attached [pid 7480] <... set_robust_list resumed>) = 0 [pid 7479] <... futex resumed>) = 0 [pid 7478] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE [pid 7471] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7470] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7467] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7479] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7478] <... mprotect resumed>) = 0 [pid 7474] set_robust_list(0x7fc1280c99e0, 24 [pid 7471] <... setsockopt resumed>) = 0 [pid 7467] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7472 attached [pid 7480] <... socket resumed>) = 3 [pid 7478] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7480] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... openat resumed>) = 3 [pid 7474] <... set_robust_list resumed>) = 0 [pid 7471] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] <... futex resumed>) = 0 [pid 7479] write(3, "5", 1 [pid 7478] <... clone resumed>, parent_tid=[7481], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7481 [pid 7474] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7472] set_robust_list(0x5555564f35e0, 24 [pid 7480] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7479] <... write resumed>) = 1 [pid 7478] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] <... socket resumed>) = 4 [pid 7471] <... futex resumed>) = 1 [pid 7470] <... futex resumed>) = 0 [pid 7479] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7478] <... futex resumed>) = 0 [pid 7474] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... set_robust_list resumed>) = 0 [pid 7471] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7470] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7479] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7478] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7474] <... futex resumed>) = 0 [pid 7472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7471] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7470] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7481 attached [pid 7479] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7474] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7472] <... prctl resumed>) = 0 [pid 7471] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [ 286.086273][ T7461] [ 286.103343][ T7477] CPU: 1 PID: 7477 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 286.113921][ T7477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 286.123983][ T7477] Call Trace: [ 286.127279][ T7477] [ 286.130209][ T7477] dump_stack_lvl+0xcd/0x134 [ 286.134809][ T7477] should_fail.cold+0x5/0xa [ 286.139316][ T7477] get_futex_key+0x5b2/0x1c50 [ 286.143993][ T7477] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.149975][ T7477] ? futex_setup_timer+0xf0/0xf0 [ 286.154920][ T7477] futex_wake+0xe4/0x490 [ 286.159168][ T7477] ? futex_wake_mark+0x1a0/0x1a0 [ 286.164106][ T7477] ? ptrace_stop.part.0+0x5ec/0xa80 [ 286.169316][ T7477] ? do_raw_spin_lock+0x120/0x2a0 [ 286.174436][ T7477] ? rwlock_bug.part.0+0x90/0x90 [ 286.179472][ T7477] ? _raw_spin_lock_irq+0x41/0x50 [ 286.184676][ T7477] do_futex+0x266/0x300 [ 286.188833][ T7477] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 286.194748][ T7477] ? find_held_lock+0x2d/0x110 [ 286.199525][ T7477] __x64_sys_futex+0x1b0/0x4a0 [ 286.204303][ T7477] ? do_futex+0x300/0x300 [ 286.208638][ T7477] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.213841][ T7477] ? lockdep_hardirqs_on+0x79/0x100 [ 286.219051][ T7477] ? _raw_spin_unlock_irq+0x2a/0x40 [ 286.224249][ T7477] ? ptrace_notify+0xfa/0x140 [ 286.228940][ T7477] do_syscall_64+0x35/0xb0 [ 286.233357][ T7477] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.239259][ T7477] RIP: 0033:0x7fc128117db9 [ 286.243674][ T7477] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 286.263281][ T7477] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 286.271695][ T7477] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 286.279665][ T7477] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [pid 7470] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7481] set_robust_list(0x7fc1280a89e0, 24 [pid 7479] <... futex resumed>) = 1 [pid 7472] setpgid(0, 0 [pid 7471] <... sendto resumed>) = 1 [pid 7467] <... futex resumed>) = 0 [pid 7481] <... set_robust_list resumed>) = 0 [pid 7479] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7477] <... futex resumed>) = ? [pid 7472] <... setpgid resumed>) = 0 [pid 7471] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7467] exit_group(0 [pid 7461] <... futex resumed>) = ? [pid 7481] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7479] <... futex resumed>) = ? [pid 7478] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7477] +++ exited with 0 +++ [pid 7476] +++ exited with 0 +++ [pid 7474] <... futex resumed>) = ? [pid 7472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7471] <... futex resumed>) = 0 [pid 7470] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7467] <... exit_group resumed>) = ? [pid 7481] <... setsockopt resumed>) = 0 [pid 7480] <... futex resumed>) = 0 [pid 7478] <... futex resumed>) = 1 [pid 7472] <... openat resumed>) = 3 [pid 7470] <... futex resumed>) = 0 [pid 7461] +++ exited with 0 +++ [pid 7460] +++ exited with 0 +++ [pid 7481] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7478] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7472] write(3, "1000", 4 [pid 7470] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7481] <... futex resumed>) = 0 [pid 7480] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7472] <... write resumed>) = 4 [pid 7481] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7480] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] close(3 [pid 7480] <... futex resumed>) = 1 [pid 7478] <... futex resumed>) = 0 [pid 7472] <... close resumed>) = 0 [pid 7480] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] <... futex resumed>) = 0 [pid 7472] <... futex resumed>) = 0 [pid 7480] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7478] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7480] <... setsockopt resumed>) = 0 [pid 7472] <... mmap resumed>) = 0x7fc1280a9000 [pid 7480] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7480] <... futex resumed>) = 1 [pid 7478] <... futex resumed>) = 0 [pid 7472] <... mprotect resumed>) = 0 [pid 7480] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] <... futex resumed>) = 0 [pid 7480] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7478] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7472] <... clone resumed>, parent_tid=[7482], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7482 [pid 7480] <... sendto resumed>) = 1 [pid 7472] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7480] <... futex resumed>) = 1 [pid 7478] <... futex resumed>) = 0 [pid 7472] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] <... futex resumed>) = 0 [pid 7480] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7478] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7480] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7478] <... futex resumed>) = 0 [pid 7480] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7478] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7480] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7478] <... futex resumed>) = 0 [pid 7480] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7478] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7480] <... openat resumed>) = 4 [pid 7480] write(4, "5", 1) = 1 [pid 7480] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [ 286.287632][ T7477] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 286.295600][ T7477] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 286.303596][ T7477] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 286.311594][ T7477] [ 286.326872][ T7479] FAULT_INJECTION: forcing a failure. [ 286.326872][ T7479] name fail_futex, interval 1, probability 0, space 0, times 0 [ 286.339828][ T7480] FAULT_INJECTION: forcing a failure. [ 286.339828][ T7480] name fail_futex, interval 1, probability 0, space 0, times 0 [ 286.340690][ T7479] CPU: 0 PID: 7479 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 286.363097][ T7479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 286.373177][ T7479] Call Trace: [ 286.376458][ T7479] [ 286.379391][ T7479] dump_stack_lvl+0xcd/0x134 [ 286.384002][ T7479] should_fail.cold+0x5/0xa [ 286.388538][ T7479] get_futex_key+0x282/0x1c50 [ 286.393245][ T7479] ? __lock_acquire+0x163e/0x5660 [ 286.398298][ T7479] ? futex_setup_timer+0xf0/0xf0 [ 286.403270][ T7479] futex_wake+0xe4/0x490 [ 286.407533][ T7479] ? futex_wake_mark+0x1a0/0x1a0 [ 286.412493][ T7479] ? find_held_lock+0x2d/0x110 [ 286.417283][ T7479] do_futex+0x266/0x300 [ 286.421446][ T7479] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 286.427358][ T7479] mm_release+0x235/0x2c0 [ 286.431691][ T7479] do_exit+0x8a0/0x29d0 [ 286.435936][ T7479] ? find_held_lock+0x2d/0x110 [ 286.440707][ T7479] ? mm_update_next_owner+0x7a0/0x7a0 [ 286.446082][ T7479] ? lock_downgrade+0x6e0/0x6e0 [ 286.450944][ T7479] do_group_exit+0xd2/0x2f0 [ 286.455457][ T7479] get_signal+0x2542/0x2600 [ 286.459968][ T7479] ? exit_signals+0x8b0/0x8b0 [ 286.464644][ T7479] ? userns_owner+0x40/0x40 [ 286.469148][ T7479] ? __task_pid_nr_ns+0x168/0x4b0 [ 286.474173][ T7479] ? lock_downgrade+0x6e0/0x6e0 [ 286.479024][ T7479] arch_do_signal_or_restart+0x82/0x2300 [ 286.484658][ T7479] ? from_kuid_munged+0xa2/0x130 [ 286.489598][ T7479] ? find_held_lock+0x2d/0x110 [ 286.494364][ T7479] ? get_sigframe_size+0x10/0x10 [ 286.499309][ T7479] ? ptrace_notify+0xfa/0x140 [ 286.503985][ T7479] ? lock_downgrade+0x6e0/0x6e0 [ 286.508839][ T7479] ? send_sig+0xfe/0x160 [ 286.513102][ T7479] ? send_sig_info+0x140/0x140 [ 286.517868][ T7479] ? exit_to_user_mode_prepare+0x137/0x250 [ 286.523681][ T7479] exit_to_user_mode_prepare+0x15f/0x250 [ 286.529316][ T7479] syscall_exit_to_user_mode+0x19/0x50 [ 286.534782][ T7479] do_syscall_64+0x42/0xb0 [ 286.539197][ T7479] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.545096][ T7479] RIP: 0033:0x7fc128117db9 [ 286.549515][ T7479] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 286.569123][ T7479] RSP: 002b:00007fc1280a82e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 286.577537][ T7479] RAX: fffffffffffffe00 RBX: 00007fc1281a04b0 RCX: 00007fc128117db9 [pid 7480] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7482 attached [pid 7474] +++ exited with 0 +++ [pid 7471] sendto(3, "\x01", 1, 0, NULL, 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7460, si_uid=0, si_status=0, si_utime=0, si_stime=36} --- [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7476, si_uid=0, si_status=0, si_utime=0, si_stime=24} --- [pid 7470] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7470] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7470] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7470] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7483], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7483 [pid 7470] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7470] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7472] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7472] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7472] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7472] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7484], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7484 [pid 7472] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7483 attached [pid 7483] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7478] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7478] exit_group(0 [pid 7481] <... futex resumed>) = ? [pid 7478] <... exit_group resumed>) = ? [pid 7481] +++ exited with 0 +++ [pid 7483] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 7483] write(4, "5", 1) = 1 [pid 7483] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = 0 [pid 7483] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7470] <... futex resumed>) = 0 [pid 7483] <... futex resumed>) = 1 [pid 7483] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 7484 attached [pid 7484] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7484] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 7484] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7472] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... futex resumed>) = 1 [pid 7484] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28) = -1 EBADF (Bad file descriptor) [pid 7484] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7472] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... futex resumed>) = 1 [pid 7484] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1) = -1 EBADF (Bad file descriptor) [pid 7484] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7472] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... futex resumed>) = 1 [pid 7484] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = -1 EBADF (Bad file descriptor) [pid 7484] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7472] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... futex resumed>) = 1 [pid 7484] sendto(-1, "\x01", 1, 0, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 7484] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7472] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7472] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7484] <... futex resumed>) = 1 [pid 7484] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 3 [pid 7484] write(3, "5", 1) = 1 [pid 7484] setsockopt(-1, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9) = -1 EBADF (Bad file descriptor) [pid 7484] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] <... futex resumed>) = 0 [pid 7484] <... futex resumed>) = 1 [ 286.585510][ T7479] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1281a04b8 [ 286.593479][ T7479] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 286.601465][ T7479] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280a82f0 [ 286.609626][ T7479] R13: 00007fc1281a04b8 R14: 0100000000000000 R15: 0000000000000001 [ 286.618046][ T7479] [ 286.621602][ T7480] CPU: 1 PID: 7480 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 286.622185][ T7471] ================================================================== [ 286.632216][ T7480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 286.640263][ T7471] BUG: KASAN: use-after-free in sctp_auth_shkey_hold+0x22/0xa0 [ 286.650296][ T7480] Call Trace: [ 286.657805][ T7471] Write of size 4 at addr ffff888016d8aad8 by task syz-executor334/7471 [ 286.661068][ T7480] [ 286.669361][ T7471] [ 286.674664][ T7480] dump_stack_lvl+0xcd/0x134 [ 286.679352][ T7480] should_fail.cold+0x5/0xa [ 286.683886][ T7480] get_futex_key+0x5b2/0x1c50 [ 286.688573][ T7480] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 286.694566][ T7480] ? futex_setup_timer+0xf0/0xf0 [ 286.699516][ T7480] futex_wake+0xe4/0x490 [ 286.703769][ T7480] ? futex_wake_mark+0x1a0/0x1a0 [ 286.708730][ T7480] ? ptrace_stop.part.0+0x5ec/0xa80 [ 286.713936][ T7480] ? do_raw_spin_lock+0x120/0x2a0 [ 286.718971][ T7480] ? rwlock_bug.part.0+0x90/0x90 [ 286.723924][ T7480] ? _raw_spin_lock_irq+0x41/0x50 [ 286.728963][ T7480] do_futex+0x266/0x300 [ 286.733139][ T7480] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 286.739126][ T7480] ? find_held_lock+0x2d/0x110 [ 286.743940][ T7480] __x64_sys_futex+0x1b0/0x4a0 [ 286.748712][ T7480] ? do_futex+0x300/0x300 [ 286.753067][ T7480] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.758275][ T7480] ? lockdep_hardirqs_on+0x79/0x100 [ 286.763481][ T7480] ? _raw_spin_unlock_irq+0x2a/0x40 [ 286.768685][ T7480] ? ptrace_notify+0xfa/0x140 [ 286.773375][ T7480] do_syscall_64+0x35/0xb0 [ 286.777801][ T7480] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.783727][ T7480] RIP: 0033:0x7fc128117db9 [ 286.788149][ T7480] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 286.807760][ T7480] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 286.816176][ T7480] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 286.824155][ T7480] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 286.832131][ T7480] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 286.840108][ T7480] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 286.848080][ T7480] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 286.856082][ T7480] [ 286.859123][ T7471] CPU: 0 PID: 7471 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 286.869637][ T7471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 286.879699][ T7471] Call Trace: [ 286.882975][ T7471] [ 286.885899][ T7471] dump_stack_lvl+0xcd/0x134 [ 286.890498][ T7471] print_address_description.constprop.0.cold+0xeb/0x495 [ 286.897538][ T7471] ? sctp_auth_shkey_hold+0x22/0xa0 [ 286.902737][ T7471] kasan_report.cold+0xf4/0x1c6 [ 286.907589][ T7471] ? sctp_auth_shkey_hold+0x22/0xa0 [ 286.912875][ T7471] kasan_check_range+0x13d/0x180 [ 286.917832][ T7471] sctp_auth_shkey_hold+0x22/0xa0 [ 286.922866][ T7471] sctp_sendmsg_to_asoc+0xfd6/0x1a30 [ 286.928151][ T7471] ? sctp_set_owner_w+0x4d0/0x4d0 [ 286.933197][ T7471] ? sctp_sendmsg+0x7c2/0x1d60 [ 286.937963][ T7471] ? mark_held_locks+0x9f/0xe0 [ 286.942720][ T7471] ? __local_bh_enable_ip+0xa0/0x120 [ 286.948001][ T7471] ? sctp_sendmsg_check_sflags+0x1b2/0x2e0 [ 286.953803][ T7471] sctp_sendmsg+0x1056/0x1d60 [ 286.958479][ T7471] ? sctp_setsockopt+0xa9b0/0xa9b0 [ 286.963591][ T7471] ? aa_af_perm+0x230/0x230 [ 286.968145][ T7471] ? __fget_files+0x26a/0x440 [ 286.972823][ T7471] inet_sendmsg+0x99/0xe0 [ 286.977161][ T7471] ? inet_send_prepare+0x4e0/0x4e0 [ 286.982271][ T7471] sock_sendmsg+0xcf/0x120 [ 286.986728][ T7471] __sys_sendto+0x21a/0x320 [ 286.991230][ T7471] ? __ia32_sys_getpeername+0xb0/0xb0 [ 286.996599][ T7471] ? _raw_spin_lock_irq+0x41/0x50 [ 287.001626][ T7471] ? ptrace_notify+0xfa/0x140 [ 287.006297][ T7471] ? lock_downgrade+0x6e0/0x6e0 [ 287.011146][ T7471] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.016342][ T7471] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.021536][ T7471] ? lockdep_hardirqs_on+0x79/0x100 [ 287.026732][ T7471] __x64_sys_sendto+0xdd/0x1b0 [ 287.031491][ T7471] ? syscall_trace_enter.constprop.0+0xb0/0x240 [ 287.037727][ T7471] do_syscall_64+0x35/0xb0 [ 287.042137][ T7471] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.048033][ T7471] RIP: 0033:0x7fc128117db9 [ 287.052440][ T7471] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 287.072043][ T7471] RSP: 002b:00007fc1280c92d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 287.080451][ T7471] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 287.088416][ T7471] RDX: 0000000000000001 RSI: 0000000020000400 RDI: 0000000000000003 [ 287.096394][ T7471] RBP: 00007fc12816d184 R08: 0000000000000000 R09: 0000000000000000 [ 287.104447][ T7471] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 287.112411][ T7471] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000022000 [ 287.120384][ T7471] [ 287.123395][ T7471] [ 287.125710][ T7471] Allocated by task 7471: [ 287.130026][ T7471] kasan_save_stack+0x1e/0x40 [ 287.134710][ T7471] __kasan_kmalloc+0xa9/0xd0 [ 287.139325][ T7471] sctp_auth_shkey_create+0x85/0x1f0 [ 287.144610][ T7471] sctp_auth_asoc_copy_shkeys+0x1e8/0x350 [ 287.150337][ T7471] sctp_association_new+0x189e/0x2340 [ 287.155768][ T7471] sctp_connect_new_asoc+0x1ac/0x770 [ 287.161052][ T7471] sctp_sendmsg+0x13e0/0x1d60 [ 287.165723][ T7471] inet_sendmsg+0x99/0xe0 [ 287.170057][ T7471] sock_sendmsg+0xcf/0x120 [ 287.174468][ T7471] __sys_sendto+0x21a/0x320 [ 287.178969][ T7471] __x64_sys_sendto+0xdd/0x1b0 [ 287.183735][ T7471] do_syscall_64+0x35/0xb0 [ 287.188153][ T7471] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.194054][ T7471] [ 287.196371][ T7471] Freed by task 7483: [ 287.200341][ T7471] kasan_save_stack+0x1e/0x40 [ 287.205017][ T7471] kasan_set_track+0x21/0x30 [ 287.209599][ T7471] kasan_set_free_info+0x20/0x30 [ 287.214530][ T7471] ____kasan_slab_free+0x166/0x1a0 [ 287.219634][ T7471] slab_free_freelist_hook+0x8b/0x1c0 [ 287.225001][ T7471] kfree+0xd6/0x4d0 [ 287.228804][ T7471] sctp_auth_shkey_release+0x100/0x160 [ 287.234262][ T7471] sctp_auth_set_key+0x443/0x960 [ 287.239203][ T7471] sctp_setsockopt+0x4c19/0xa9b0 [ 287.244137][ T7471] __sys_setsockopt+0x2db/0x6a0 [ 287.248979][ T7471] __x64_sys_setsockopt+0xba/0x150 [ 287.254083][ T7471] do_syscall_64+0x35/0xb0 [ 287.258491][ T7471] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.264387][ T7471] [ 287.266714][ T7471] The buggy address belongs to the object at ffff888016d8aac0 [ 287.266714][ T7471] which belongs to the cache kmalloc-32 of size 32 [ 287.280583][ T7471] The buggy address is located 24 bytes inside of [ 287.280583][ T7471] 32-byte region [ffff888016d8aac0, ffff888016d8aae0) [ 287.293672][ T7471] [ 287.295989][ T7471] The buggy address belongs to the physical page: [ 287.302477][ T7471] page:ffffea00005b6280 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16d8a [ 287.312627][ T7471] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) [ 287.320170][ T7471] raw: 00fff00000000200 ffffea0000930100 dead000000000003 ffff888011841500 [ 287.328747][ T7471] raw: 0000000000000000 0000000000400040 00000001ffffffff 0000000000000000 [ 287.337318][ T7471] page dumped because: kasan: bad access detected [ 287.343718][ T7471] page_owner tracks the page as allocated [ 287.349422][ T7471] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 2136727995, free_ts 0 [ 287.366006][ T7471] get_page_from_freelist+0x1290/0x3b70 [ 287.371551][ T7471] __alloc_pages+0x1c7/0x510 [ 287.376136][ T7471] alloc_page_interleave+0x1e/0x200 [ 287.381327][ T7471] alloc_pages+0x2b1/0x310 [ 287.385739][ T7471] allocate_slab+0x26c/0x3c0 [ 287.390327][ T7471] ___slab_alloc+0x9c4/0xe20 [ 287.394933][ T7471] __slab_alloc.constprop.0+0x4d/0xa0 [ 287.400302][ T7471] __kmalloc+0x318/0x350 [ 287.404540][ T7471] kobject_get_path+0xbe/0x230 [ 287.409322][ T7471] kobject_uevent_env+0x259/0x1660 [ 287.414446][ T7471] param_sysfs_init+0x367/0x43b [ 287.419304][ T7471] do_one_initcall+0x103/0x650 [ 287.424062][ T7471] kernel_init_freeable+0x6b1/0x73a [ 287.429255][ T7471] kernel_init+0x1a/0x1d0 [ 287.433582][ T7471] ret_from_fork+0x1f/0x30 [ 287.437992][ T7471] page_owner free stack trace missing [ 287.443343][ T7471] [ 287.445656][ T7471] Memory state around the buggy address: [ 287.451275][ T7471] ffff888016d8a980: 00 00 00 00 fc fc fc fc fa fb fb fb fc fc fc fc [ 287.459344][ T7471] ffff888016d8aa00: fa fb fb fb fc fc fc fc 00 00 00 00 fc fc fc fc [ 287.467416][ T7471] >ffff888016d8aa80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 287.475471][ T7471] ^ [ 287.482397][ T7471] ffff888016d8ab00: fa fb fb fb fc fc fc fc 00 00 00 00 fc fc fc fc [pid 7484] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7482] set_robust_list(0x7fc1280c99e0, 24 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7486 [pid 3608] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7485 [pid 7480] <... futex resumed>) = ? [ 287.490461][ T7471] ffff888016d8ab80: 00 00 00 00 fc fc fc fc fa fb fb fb fc fc fc fc [ 287.498511][ T7471] ================================================================== [ 287.511293][ T7471] Kernel panic - not syncing: panic_on_warn set ... [ 287.517909][ T7471] CPU: 1 PID: 7471 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 287.528508][ T7471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 287.538574][ T7471] Call Trace: [ 287.541864][ T7471] ./strace-static-x86_64: Process 7486 attached ./strace-static-x86_64: Process 7485 attached [pid 7482] <... set_robust_list resumed>) = 0 [pid 7480] +++ exited with 0 +++ [pid 7478] +++ exited with 0 +++ [pid 7486] set_robust_list(0x5555564f35e0, 24 [pid 7485] set_robust_list(0x5555564f35e0, 24 [pid 7482] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7478, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- [pid 7486] <... set_robust_list resumed>) = 0 [pid 7485] <... set_robust_list resumed>) = 0 [pid 7482] <... socket resumed>) = 4 [pid 7486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7482] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7472] exit_group(0 [pid 7482] <... futex resumed>) = ? [pid 7472] <... exit_group resumed>) = ? [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7486] <... prctl resumed>) = 0 [pid 7485] <... prctl resumed>) = 0 [pid 7482] +++ exited with 0 +++ [pid 7486] setpgid(0, 0 [pid 7485] setpgid(0, 0 [pid 3615] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7487 [pid 7486] <... setpgid resumed>) = 0 [pid 7485] <... setpgid resumed>) = 0 [pid 7486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7486] <... openat resumed>) = 3 [pid 7485] <... openat resumed>) = 3 [pid 7486] write(3, "1000", 4 [pid 7485] write(3, "1000", 4 [pid 7486] <... write resumed>) = 4 [pid 7485] <... write resumed>) = 4 [pid 7486] close(3 [pid 7485] close(3 [pid 7486] <... close resumed>) = 0 [pid 7485] <... close resumed>) = 0 [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7486] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7485] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7486] <... mmap resumed>) = 0x7fc1280a9000 [pid 7485] <... mmap resumed>) = 0x7fc1280a9000 [pid 7486] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7485] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7487 attached [pid 7486] <... mprotect resumed>) = 0 [pid 7485] <... mprotect resumed>) = 0 [pid 7487] set_robust_list(0x5555564f35e0, 24 [pid 7486] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [ 287.544796][ T7471] dump_stack_lvl+0xcd/0x134 [ 287.549404][ T7471] panic+0x2d7/0x636 [ 287.553335][ T7471] ? panic_print_sys_info.part.0+0x10b/0x10b [ 287.559337][ T7471] ? preempt_schedule_common+0x59/0xc0 [ 287.564819][ T7471] ? sctp_auth_shkey_hold+0x22/0xa0 [ 287.570052][ T7471] ? preempt_schedule_thunk+0x16/0x18 [ 287.575452][ T7471] ? sctp_auth_shkey_hold+0x22/0xa0 [ 287.580672][ T7471] end_report.part.0+0x3f/0x7c [ 287.585459][ T7471] kasan_report.cold+0x93/0x1c6 [ 287.590330][ T7471] ? sctp_auth_shkey_hold+0x22/0xa0 [pid 7485] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7487] <... set_robust_list resumed>) = 0 [pid 7486] <... clone resumed>, parent_tid=[7488], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7488 [pid 7485] <... clone resumed>, parent_tid=[7489], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7489 [pid 7486] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7487] setpgid(0, 0./strace-static-x86_64: Process 7489 attached ./strace-static-x86_64: Process 7488 attached ) = 0 [pid 7489] set_robust_list(0x7fc1280c99e0, 24 [pid 7488] set_robust_list(0x7fc1280c99e0, 24 [pid 7487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7489] <... set_robust_list resumed>) = 0 [pid 7488] <... set_robust_list resumed>) = 0 [pid 7487] <... openat resumed>) = 3 [pid 7479] +++ exited with 0 +++ [pid 7467] +++ exited with 0 +++ [pid 7489] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7488] socket(AF_INET6, SOCK_STREAM, IPPROTO_SCTP [pid 7487] write(3, "1000", 4 [pid 7484] <... futex resumed>) = ? [pid 7489] <... socket resumed>) = 3 [pid 7488] <... socket resumed>) = 3 [pid 7487] <... write resumed>) = 4 [pid 7484] +++ exited with 0 +++ [pid 7472] +++ exited with 0 +++ [pid 3614] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7467, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- [pid 7489] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] close(3 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7489] <... futex resumed>) = 1 [pid 7488] <... futex resumed>) = 1 [pid 7487] <... close resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7488] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7486] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3614] <... clone resumed>, child_tidptr=0x5555564f35d0) = 7490 [pid 7489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] <... futex resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7488] setsockopt(3, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8 [pid 7487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... setsockopt resumed>) = 0 [pid 7488] <... setsockopt resumed>) = 0 [pid 7487] <... mmap resumed>) = 0x7fc1280a9000 [pid 7489] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] mprotect(0x7fc1280aa000, 131072, PROT_READ|PROT_WRITE [pid 7489] <... futex resumed>) = 1 [pid 7488] <... futex resumed>) = 1 [pid 7487] <... mprotect resumed>) = 0 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7488] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] clone(child_stack=0x7fc1280c93f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 7486] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7488] setsockopt(3, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7487] <... clone resumed>, parent_tid=[7491], tls=0x7fc1280c9700, child_tidptr=0x7fc1280c99d0) = 7491 [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7488] <... setsockopt resumed>) = -1 EADDRINUSE (Address already in use) [pid 7487] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] <... futex resumed>) = 0 [ 287.595554][ T7471] kasan_check_range+0x13d/0x180 [ 287.600510][ T7471] sctp_auth_shkey_hold+0x22/0xa0 [ 287.605559][ T7471] sctp_sendmsg_to_asoc+0xfd6/0x1a30 [ 287.610877][ T7471] ? sctp_set_owner_w+0x4d0/0x4d0 [ 287.615926][ T7471] ? sctp_sendmsg+0x7c2/0x1d60 [ 287.620709][ T7471] ? mark_held_locks+0x9f/0xe0 [ 287.625491][ T7471] ? __local_bh_enable_ip+0xa0/0x120 [ 287.630822][ T7471] ? sctp_sendmsg_check_sflags+0x1b2/0x2e0 [ 287.636657][ T7471] sctp_sendmsg+0x1056/0x1d60 [pid 7489] <... futex resumed>) = 1 [pid 7488] <... futex resumed>) = 1 [pid 7487] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7488] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7486] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7488] setsockopt(3, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... setsockopt resumed>) = 0 [pid 7488] <... setsockopt resumed>) = 0 [pid 7489] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 1 [pid 7488] <... futex resumed>) = 1 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7488] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7486] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7488] sendto(3, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... sendto resumed>) = 1 [pid 7488] <... sendto resumed>) = 1 [pid 7489] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 1 [pid 7488] <... futex resumed>) = 1 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7488] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7486] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7488] sendto(3, "\x01", 1, 0, NULL, 0 [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7488] <... sendto resumed>) = -1 ECONNREFUSED (Connection refused) [pid 7489] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = 1 [pid 7488] <... futex resumed>) = 1 [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7488] futex(0x7fc1281a04a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7486] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7485] futex(0x7fc1281a04a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 287.641359][ T7471] ? sctp_setsockopt+0xa9b0/0xa9b0 [ 287.646500][ T7471] ? aa_af_perm+0x230/0x230 [ 287.651018][ T7471] ? __fget_files+0x26a/0x440 [ 287.655715][ T7471] inet_sendmsg+0x99/0xe0 [ 287.660065][ T7471] ? inet_send_prepare+0x4e0/0x4e0 [ 287.665200][ T7471] sock_sendmsg+0xcf/0x120 [ 287.669639][ T7471] __sys_sendto+0x21a/0x320 [ 287.674157][ T7471] ? __ia32_sys_getpeername+0xb0/0xb0 [ 287.679551][ T7471] ? _raw_spin_lock_irq+0x41/0x50 [ 287.684601][ T7471] ? ptrace_notify+0xfa/0x140 [ 287.689296][ T7471] ? lock_downgrade+0x6e0/0x6e0 [pid 7488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7486] <... futex resumed>) = 0 [pid 7485] <... futex resumed>) = 0 [pid 7489] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7488] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7486] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7485] futex(0x7fc1281a04ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7489] <... openat resumed>) = 4 [pid 7488] <... openat resumed>) = 4 [pid 7489] write(4, "5", 1 [pid 7488] write(4, "5", 1 [pid 7489] <... write resumed>) = 1 [pid 7488] <... write resumed>) = 1 [pid 7489] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7488] setsockopt(3, SOL_SCTP, SCTP_AUTH_KEY, "\x00\x00\x00\x00\x00\x00\x01\x00\x8b", 9 [pid 7489] <... setsockopt resumed>) = 0 [pid 7488] <... setsockopt resumed>) = 0 [pid 7487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7489] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7488] futex(0x7fc1281a04ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7487] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc128088000 [pid 7487] mprotect(0x7fc128089000, 131072, PROT_READ|PROT_WRITE) = 0 [ 287.694247][ T7471] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.699463][ T7471] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.704678][ T7471] ? lockdep_hardirqs_on+0x79/0x100 [ 287.707518][ T7489] FAULT_INJECTION: forcing a failure. [ 287.707518][ T7489] name fail_futex, interval 1, probability 0, space 0, times 0 [ 287.718089][ T7488] FAULT_INJECTION: forcing a failure. [ 287.718089][ T7488] name fail_futex, interval 1, probability 0, space 0, times 0 [ 287.735361][ T7471] __x64_sys_sendto+0xdd/0x1b0 [ 287.740132][ T7471] ? syscall_trace_enter.constprop.0+0xb0/0x240 [pid 7487] clone(child_stack=0x7fc1280a83f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7492], tls=0x7fc1280a8700, child_tidptr=0x7fc1280a89d0) = 7492 [pid 7487] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7487] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7492 attached [pid 7486] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7485] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 7486] exit_group(0 [pid 7485] exit_group(0 [pid 7486] <... exit_group resumed>) = ? [pid 7485] <... exit_group resumed>) = ? [pid 7492] set_robust_list(0x7fc1280a89e0, 24) = 0 [pid 7492] setsockopt(-1, SOL_SCTP, SCTP_AUTH_SUPPORTED, "\x1a\x00\x00\x00\x02\x00\x00\x00", 8) = -1 EBADF (Bad file descriptor) [pid 7492] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7492] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] <... futex resumed>) = 0 [pid 7492] setsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_BINDX_ADD, "\x0a\x00\x4e\x23\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 28 [pid 7487] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7492] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7492] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] <... futex resumed>) = 0 [pid 7492] setsockopt(-1, SOL_SCTP, SCTP_AUTH_CHUNK, "\x00", 1 [pid 7487] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... setsockopt resumed>) = -1 EBADF (Bad file descriptor) [pid 7492] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7492] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] <... futex resumed>) = 0 [ 287.746384][ T7471] do_syscall_64+0x35/0xb0 [ 287.750820][ T7471] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.756742][ T7471] RIP: 0033:0x7fc128117db9 [ 287.761168][ T7471] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 287.780808][ T7471] RSP: 002b:00007fc1280c92d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [pid 7492] sendto(-1, "\xb9", 1, 0, {sa_family=AF_INET6, sin6_port=htons(20003), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28 [pid 7487] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7492] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7492] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] <... futex resumed>) = 0 [pid 7492] sendto(-1, "\x01", 1, 0, NULL, 0 [pid 7487] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... sendto resumed>) = -1 EBADF (Bad file descriptor) [pid 7492] futex(0x7fc1281a04bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7487] <... futex resumed>) = 0 [pid 7492] futex(0x7fc1281a04b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7487] futex(0x7fc1281a04b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7487] <... futex resumed>) = 0 [pid 7492] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR [pid 7487] futex(0x7fc1281a04bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7492] <... openat resumed>) = 3 [pid 7492] write(3, "5", 1) = 1 [ 287.789240][ T7471] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 287.797229][ T7471] RDX: 0000000000000001 RSI: 0000000020000400 RDI: 0000000000000003 [ 287.805210][ T7471] RBP: 00007fc12816d184 R08: 0000000000000000 R09: 0000000000000000 [ 287.813198][ T7471] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 287.821193][ T7471] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000022000 [ 287.829189][ T7471] [ 287.832217][ T7488] CPU: 0 PID: 7488 Comm: syz-executor334 Not tainted 5.19.0-rc6-syzkaller-01417-g2acd1022549e #0 [ 287.842722][ T7488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 287.852773][ T7488] Call Trace: [ 287.856046][ T7488] [ 287.859063][ T7488] dump_stack_lvl+0xcd/0x134 [ 287.863654][ T7488] should_fail.cold+0x5/0xa [ 287.868155][ T7488] get_futex_key+0x5b2/0x1c50 [ 287.872843][ T7488] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 287.878822][ T7488] ? futex_setup_timer+0xf0/0xf0 [ 287.883763][ T7488] futex_wake+0xe4/0x490 [ 287.888004][ T7488] ? futex_wake_mark+0x1a0/0x1a0 [ 287.892937][ T7488] ? ptrace_stop.part.0+0x5ec/0xa80 [ 287.898130][ T7488] ? do_raw_spin_lock+0x120/0x2a0 [ 287.903147][ T7488] ? rwlock_bug.part.0+0x90/0x90 [ 287.908076][ T7488] ? _raw_spin_lock_irq+0x41/0x50 [ 287.913186][ T7488] do_futex+0x266/0x300 [ 287.917342][ T7488] ? __ia32_sys_get_robust_list+0x3b0/0x3b0 [ 287.923229][ T7488] ? find_held_lock+0x2d/0x110 [ 287.927997][ T7488] __x64_sys_futex+0x1b0/0x4a0 [ 287.932761][ T7488] ? do_futex+0x300/0x300 [ 287.937080][ T7488] ? _raw_spin_unlock_irq+0x1f/0x40 [ 287.942274][ T7488] ? lockdep_hardirqs_on+0x79/0x100 [ 287.947554][ T7488] ? _raw_spin_unlock_irq+0x2a/0x40 [ 287.952747][ T7488] ? ptrace_notify+0xfa/0x140 [ 287.957423][ T7488] do_syscall_64+0x35/0xb0 [ 287.961837][ T7488] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.967731][ T7488] RIP: 0033:0x7fc128117db9 [ 287.972141][ T7488] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 b8 ff ff ff f7 d8 64 89 01 48 [ 287.991744][ T7488] RSP: 002b:00007fc1280c92e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 288.000164][ T7488] RAX: ffffffffffffffda RBX: 00007fc1281a04a0 RCX: 00007fc128117db9 [ 288.008126][ T7488] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fc1281a04ac [ 288.016090][ T7488] RBP: 00007fc12816d184 R08: 0000000000000035 R09: 0000000000000035 [ 288.024060][ T7488] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fc1280c92f0 [ 288.032025][ T7488] R13: 00007fc1281a04a8 R14: 0100000000000000 R15: 0000000000000001 [ 288.040006][ T7488] [ 288.043302][ T7471] Kernel Offset: disabled [ 288.047795][ T7471] Rebooting in 86400 seconds..