./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2871642942 <...> DUID 00:04:53:46:a9:9d:03:7a:46:b2:48:ff:4a:ea:3f:46:f2:43 forked to background, child pid 3189 [ 28.365555][ T3190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.377906][ T3190] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.85' (ECDSA) to the list of known hosts. execve("./syz-executor2871642942", ["./syz-executor2871642942"], 0x7ffdafc5fd70 /* 10 vars */) = 0 brk(NULL) = 0x555556a71000 brk(0x555556a71c40) = 0x555556a71c40 arch_prctl(ARCH_SET_FS, 0x555556a71300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2871642942", 4096) = 28 brk(0x555556a92c40) = 0x555556a92c40 brk(0x555556a93000) = 0x555556a93000 mprotect(0x7f91398f7000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3611 attached , child_tidptr=0x555556a715d0) = 3611 [pid 3610] 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 3612 attached [pid 3610] <... clone resumed>, child_tidptr=0x555556a715d0) = 3612 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3613 attached [pid 3611] <... clone resumed>, child_tidptr=0x555556a715d0) = 3613 ./strace-static-x86_64: Process 3614 attached [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... clone resumed>, child_tidptr=0x555556a715d0) = 3614 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... prctl resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x555556a715d0) = 3616 [pid 3610] <... clone resumed>, child_tidptr=0x555556a715d0) = 3615 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3615 attached ./strace-static-x86_64: Process 3617 attached ./strace-static-x86_64: Process 3616 attached [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] setpgid(0, 0 [pid 3610] <... clone resumed>, child_tidptr=0x555556a715d0) = 3617 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... setpgid resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x555556a715d0) = 3618 [pid 3614] <... clone resumed>, child_tidptr=0x555556a715d0) = 3619 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... openat resumed>) = 3 [pid 3613] write(3, "1000", 4 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... write resumed>) = 4 [pid 3613] close(3) = 0 [pid 3613] io_uring_setup(384, {flags=0, sq_thread_cpu=0, sq_thread_idle=0./strace-static-x86_64: Process 3619 attached [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... io_uring_setup resumed>, sq_entries=512, cq_entries=1024, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=16704}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3613] mmap(0x201e7000, 18752, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3619] <... prctl resumed>) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... mmap resumed>) = 0x201e7000 [pid 3613] mmap(0x20ffe000, 32768, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3617] <... clone resumed>, child_tidptr=0x555556a715d0) = 3621 [pid 3619] <... openat resumed>) = 3 [pid 3613] <... mmap resumed>) = 0x20ffe000 [pid 3615] <... clone resumed>, child_tidptr=0x555556a715d0) = 3620 [pid 3613] socket(AF_INET, SOCK_STREAM, IPPROTO_IP./strace-static-x86_64: Process 3618 attached [pid 3619] write(3, "1000", 4 [pid 3613] <... socket resumed>) = 4 ./strace-static-x86_64: Process 3620 attached [pid 3619] <... write resumed>) = 4 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] io_uring_enter(3, 17909, 0, 0, NULL, 0 [pid 3619] close(3) = 0 [pid 3618] <... clone resumed>, child_tidptr=0x555556a715d0) = 3622 [pid 3619] io_uring_setup(384, {flags=0, sq_thread_cpu=0, sq_thread_idle=0, sq_entries=512, cq_entries=1024, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=16704}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3619] mmap(0x201e7000, 18752, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0) = 0x201e7000 [pid 3619] mmap(0x20ffe000, 32768, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000) = 0x20ffe000 [pid 3619] socket(AF_INET, SOCK_STREAM, IPPROTO_IP) = 4 [pid 3619] io_uring_enter(3, 17909, 0, 0, NULL, 0./strace-static-x86_64: Process 3622 attached ./strace-static-x86_64: Process 3621 attached [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3616] <... prctl resumed>) = 0 [pid 3613] <... io_uring_enter resumed>) = 512 [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] <... prctl resumed>) = 0 [pid 3616] setpgid(0, 0 [pid 3622] <... prctl resumed>) = 0 [pid 3621] <... prctl resumed>) = 0 [pid 3620] setpgid(0, 0 [pid 3619] <... io_uring_enter resumed>) = 512 [pid 3616] <... setpgid resumed>) = 0 [pid 3621] setpgid(0, 0 [pid 3620] <... setpgid resumed>) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3622] setpgid(0, 0 [pid 3621] <... setpgid resumed>) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] <... openat resumed>) = 3 [pid 3622] <... setpgid resumed>) = 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] write(3, "1000", 4 [pid 3620] <... openat resumed>) = 3 [pid 3616] <... write resumed>) = 4 [pid 3621] <... openat resumed>) = 3 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3620] write(3, "1000", 4 [pid 3616] close(3 [pid 3621] write(3, "1000", 4 [pid 3620] <... write resumed>) = 4 [pid 3616] <... close resumed>) = 0 [pid 3622] <... openat resumed>) = 3 [pid 3622] write(3, "1000", 4 [pid 3621] <... write resumed>) = 4 [pid 3620] close(3 [pid 3616] io_uring_setup(384, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3622] <... write resumed>) = 4 [pid 3621] close(3 [pid 3620] <... close resumed>) = 0 [pid 3622] close(3 [pid 3621] <... close resumed>) = 0 [pid 3620] io_uring_setup(384, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3616] <... io_uring_setup resumed>, sq_entries=512, cq_entries=1024, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=16704}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3622] <... close resumed>) = 0 [pid 3621] io_uring_setup(384, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3620] <... io_uring_setup resumed>, sq_entries=512, cq_entries=1024, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=16704}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3616] mmap(0x201e7000, 18752, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3622] io_uring_setup(384, {flags=0, sq_thread_cpu=0, sq_thread_idle=0 [pid 3621] <... io_uring_setup resumed>, sq_entries=512, cq_entries=1024, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=16704}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3620] mmap(0x201e7000, 18752, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3622] <... io_uring_setup resumed>, sq_entries=512, cq_entries=1024, features=IORING_FEAT_SINGLE_MMAP|IORING_FEAT_NODROP|IORING_FEAT_SUBMIT_STABLE|IORING_FEAT_RW_CUR_POS|IORING_FEAT_CUR_PERSONALITY|IORING_FEAT_FAST_POLL|IORING_FEAT_POLL_32BITS|IORING_FEAT_SQPOLL_NONFIXED|IORING_FEAT_EXT_ARG|IORING_FEAT_NATIVE_WORKERS|IORING_FEAT_RSRC_TAGS|IORING_FEAT_CQE_SKIP|0x1000, sq_off={head=0, tail=64, ring_mask=256, ring_entries=264, flags=276, dropped=272, array=16704}, cq_off={head=128, tail=192, ring_mask=260, ring_entries=268, overflow=284, cqes=320, flags=280}}) = 3 [pid 3621] mmap(0x201e7000, 18752, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3620] <... mmap resumed>) = 0x201e7000 [pid 3616] <... mmap resumed>) = 0x201e7000 [pid 3622] mmap(0x201e7000, 18752, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0 [pid 3621] <... mmap resumed>) = 0x201e7000 [pid 3620] mmap(0x20ffe000, 32768, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3616] mmap(0x20ffe000, 32768, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3622] <... mmap resumed>) = 0x201e7000 [pid 3621] mmap(0x20ffe000, 32768, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3620] <... mmap resumed>) = 0x20ffe000 [pid 3622] mmap(0x20ffe000, 32768, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE, 3, 0x10000000 [pid 3621] <... mmap resumed>) = 0x20ffe000 [pid 3620] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3616] <... mmap resumed>) = 0x20ffe000 [pid 3622] <... mmap resumed>) = 0x20ffe000 [pid 3621] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3620] <... socket resumed>) = 4 [pid 3616] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3622] socket(AF_INET, SOCK_STREAM, IPPROTO_IP [pid 3621] <... socket resumed>) = 4 [pid 3620] io_uring_enter(3, 17909, 0, 0, NULL, 0 [pid 3622] <... socket resumed>) = 4 [pid 3621] io_uring_enter(3, 17909, 0, 0, NULL, 0 [pid 3620] <... io_uring_enter resumed>) = 512 [pid 3616] <... socket resumed>) = 4 [pid 3622] io_uring_enter(3, 17909, 0, 0, NULL, 0 [pid 3616] io_uring_enter(3, 17909, 0, 0, NULL, 0 [pid 3622] <... io_uring_enter resumed>) = 512 [pid 3621] <... io_uring_enter resumed>) = 512 [pid 3616] <... io_uring_enter resumed>) = 512 [pid 3611] kill(-3613, SIGKILL) = 0 [pid 3611] kill(3613, SIGKILL) = 0 [pid 3612] kill(-3616, SIGKILL) = 0 [pid 3612] kill(3616, SIGKILL) = 0 [pid 3614] kill(-3619, SIGKILL) = 0 [pid 3614] kill(3619, SIGKILL) = 0 [pid 3615] kill(-3620, SIGKILL) = 0 [pid 3615] kill(3620, SIGKILL [pid 3617] kill(-3621, SIGKILL [pid 3615] <... kill resumed>) = 0 [pid 3617] <... kill resumed>) = 0 [pid 3617] kill(3621, SIGKILL) = 0 [pid 3618] kill(-3622, SIGKILL) = 0 [pid 3618] kill(3622, SIGKILL) = 0 syzkaller login: [ 56.038815][ T3623] [ 56.038824][ T3623] ==================================== [ 56.038829][ T3623] WARNING: iou-wrk-3613/3623 still has locks held! [ 56.038843][ T3623] 5.18.0-rc6-next-20220513-syzkaller #0 Not tainted [ 56.038855][ T3623] ------------------------------------ [ 56.038860][ T3623] 1 lock held by iou-wrk-3613/3623: [ 56.038910][ T3623] #0: ffff888140bfe0a8 (&ctx->uring_lock){+.+.}-{3:3}, at: io_ring_submit_lock+0x75/0xc0 [ 56.038992][ T3623] [ 56.038992][ T3623] stack backtrace: [ 56.038998][ T3623] CPU: 0 PID: 3623 Comm: iou-wrk-3613 Not tainted 5.18.0-rc6-next-20220513-syzkaller #0 [ 56.039018][ T3623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.039028][ T3623] Call Trace: [ 56.039033][ T3623] [ 56.039040][ T3623] dump_stack_lvl+0xcd/0x134 [ 56.039082][ T3623] get_signal+0x1424/0x2600 [ 56.039106][ T3623] ? schedule_timeout+0x18f/0x2a0 [ 56.039130][ T3623] ? io_wqe_worker+0x51f/0xdb0 [ 56.039150][ T3623] ? destroy_timer_on_stack+0x20/0x20 [ 56.039175][ T3623] ? exit_signals+0x8b0/0x8b0 [ 56.039197][ T3623] ? 0xffffffff81000000 [ 56.039217][ T3623] io_wqe_worker+0x64b/0xdb0 [ 56.039242][ T3623] ? io_wqe_dec_running+0x240/0x240 [ 56.039279][ T3623] ? ret_from_fork+0x8/0x30 [ 56.039310][ T3623] ? lock_downgrade+0x6e0/0x6e0 [ 56.039343][ T3623] ? do_raw_spin_lock+0x120/0x2a0 [ 56.039366][ T3623] ? rwlock_bug.part.0+0x90/0x90 [ 56.039389][ T3623] ? _raw_spin_unlock_irq+0x1f/0x40 [ 56.039414][ T3623] ? io_wqe_dec_running+0x240/0x240 [pid 3611] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3611] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3612] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3611] getdents64(3, [pid 3612] <... openat resumed>) = 3 [pid 3611] <... getdents64 resumed>0x555556a72620 /* 2 entries */, 32768) = 48 [pid 3612] fstat(3, [pid 3611] getdents64(3, [pid 3612] <... fstat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3611] <... getdents64 resumed>0x555556a72620 /* 0 entries */, 32768) = 0 [pid 3612] getdents64(3, [pid 3611] close(3 [pid 3612] <... getdents64 resumed>0x555556a72620 /* 2 entries */, 32768) = 48 [pid 3611] <... close resumed>) = 0 [pid 3612] getdents64(3, 0x555556a72620 /* 0 entries */, 32768) = 0 [pid 3612] close(3) = 0 [pid 3614] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3614] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3614] getdents64(3, 0x555556a72620 /* 2 entries */, 32768) = 48 [pid 3614] getdents64(3, 0x555556a72620 /* 0 entries */, 32768) = 0 [pid 3614] close(3) = 0 [ 56.039448][ T3623] ret_from_fork+0x1f/0x30 [ 56.039484][ T3623] [pid 3615] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3615] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3615] getdents64(3, 0x555556a72620 /* 2 entries */, 32768) = 48 [pid 3615] getdents64(3, 0x555556a72620 /* 0 entries */, 32768) = 0 [pid 3615] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3617] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3617] getdents64(3, 0x555556a72620 /* 2 entries */, 32768) = 48 [pid 3617] getdents64(3, 0x555556a72620 /* 0 entries */, 32768) = 0 [pid 3617] close(3) = 0 [pid 3618] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3618] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 3618] getdents64(3, 0x555556a72620 /* 2 entries */, 32768) = 48 [pid 3618] getdents64(3, 0x555556a72620 /* 0 entries */, 32768) = 0 [pid 3618] close(3) = 0