./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor761024644 <...> DUID 00:04:e3:a1:4c:5b:a4:47:39:93:9a:5d:f6:69:14:97:a9:57 forked to background, child pid 4657 [ 52.797226][ T4658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.816540][ T4658] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.123' (ECDSA) to the list of known hosts. execve("./syz-executor761024644", ["./syz-executor761024644"], 0x7ffc6911a7b0 /* 10 vars */) = 0 brk(NULL) = 0x555556681000 brk(0x555556681c40) = 0x555556681c40 arch_prctl(ARCH_SET_FS, 0x555556681300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor761024644", 4096) = 27 brk(0x5555566a2c40) = 0x5555566a2c40 brk(0x5555566a3000) = 0x5555566a3000 mprotect(0x7f6d3e3b8000, 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 5084 attached , child_tidptr=0x5555566815d0) = 5084 [pid 5084] getpid() = 5084 [pid 5084] mkdir("./syzkaller.maRGcC", 0700 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566815d0) = 5085 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5085 attached [pid 5084] chmod("./syzkaller.maRGcC", 0777 [pid 5085] getpid( [pid 5084] <... chmod resumed>) = 0 [pid 5085] <... getpid resumed>) = 5085 [pid 5084] chdir("./syzkaller.maRGcC") = 0 [pid 5084] mkdir("./0", 0777./strace-static-x86_64: Process 5086 attached [pid 5083] <... clone resumed>, child_tidptr=0x5555566815d0) = 5086 [pid 5085] mkdir("./syzkaller.ABCvLF", 0700 [pid 5084] <... mkdir resumed>) = 0 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] getpid( [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5083] <... clone resumed>, child_tidptr=0x5555566815d0) = 5087 [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] <... openat resumed>) = 3 [pid 5083] <... clone resumed>, child_tidptr=0x5555566815d0) = 5088 ./strace-static-x86_64: Process 5087 attached [pid 5083] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] ioctl(3, LOOP_CLR_FD [pid 5086] <... getpid resumed>) = 5086 [pid 5086] mkdir("./syzkaller.qdaw6K", 0700 [pid 5085] <... mkdir resumed>) = 0 [pid 5084] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5083] <... clone resumed>, child_tidptr=0x5555566815d0) = 5089 ./strace-static-x86_64: Process 5088 attached [pid 5084] close(3 [pid 5088] getpid( [pid 5086] <... mkdir resumed>) = 0 [pid 5088] <... getpid resumed>) = 5088 [pid 5088] mkdir("./syzkaller.JxPAgU", 0700 [pid 5084] <... close resumed>) = 0 [pid 5088] <... mkdir resumed>) = 0 [pid 5088] chmod("./syzkaller.JxPAgU", 0777) = 0 [pid 5088] chdir("./syzkaller.JxPAgU" [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] <... chdir resumed>) = 0 [pid 5088] mkdir("./0", 0777) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5086] chmod("./syzkaller.qdaw6K", 0777 [pid 5088] <... openat resumed>) = 3 [pid 5088] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5088] close(3) = 0 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5090 attached [pid 5090] chdir("./0") = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... clone resumed>, child_tidptr=0x5555566815d0) = 5091 [pid 5090] <... openat resumed>) = 3 [pid 5090] write(3, "1000", 4 [pid 5084] <... clone resumed>, child_tidptr=0x5555566815d0) = 5090 [pid 5090] <... write resumed>) = 4 [pid 5090] close(3 [pid 5086] <... chmod resumed>) = 0 [pid 5090] <... close resumed>) = 0 [pid 5086] chdir("./syzkaller.qdaw6K" [pid 5090] symlink("/dev/binderfs", "./binderfs" [pid 5086] <... chdir resumed>) = 0 [pid 5085] chmod("./syzkaller.ABCvLF", 0777 [pid 5087] getpid( [pid 5086] mkdir("./0", 0777 [pid 5090] <... symlink resumed>) = 0 [pid 5086] <... mkdir resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5090] memfd_create("syzkaller", 0 [pid 5086] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5089 attached [pid 5087] <... getpid resumed>) = 5087 [pid 5086] ioctl(3, LOOP_CLR_FD [pid 5085] <... chmod resumed>) = 0 ./strace-static-x86_64: Process 5091 attached [pid 5089] getpid( [pid 5087] mkdir("./syzkaller.P3EIHP", 0700 [pid 5086] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5085] chdir("./syzkaller.ABCvLF" [pid 5091] chdir("./0" [pid 5087] <... mkdir resumed>) = 0 [pid 5086] close(3 [pid 5085] <... chdir resumed>) = 0 [pid 5089] <... getpid resumed>) = 5089 [pid 5086] <... close resumed>) = 0 [pid 5091] <... chdir resumed>) = 0 [pid 5086] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] mkdir("./0", 0777 [pid 5089] mkdir("./syzkaller.QCKj80", 0700 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5091] setpgid(0, 0) = 0 [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] <... mkdir resumed>) = 0 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 5092 attached [pid 5092] chdir("./0" [pid 5089] <... mkdir resumed>) = 0 [pid 5087] chmod("./syzkaller.P3EIHP", 0777 [pid 5085] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5091] <... symlink resumed>) = 0 [pid 5091] memfd_create("syzkaller", 0 [pid 5087] <... chmod resumed>) = 0 [pid 5092] <... chdir resumed>) = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5091] <... memfd_create resumed>) = 3 [pid 5087] chdir("./syzkaller.P3EIHP" [pid 5086] <... clone resumed>, child_tidptr=0x5555566815d0) = 5092 [pid 5085] <... openat resumed>) = 3 [pid 5092] <... prctl resumed>) = 0 [pid 5091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5089] chmod("./syzkaller.QCKj80", 0777 [pid 5087] <... chdir resumed>) = 0 [pid 5085] ioctl(3, LOOP_CLR_FD [pid 5092] setpgid(0, 0 [pid 5091] <... mmap resumed>) = 0x7f6d35efb000 [pid 5087] mkdir("./0", 0777 [pid 5092] <... setpgid resumed>) = 0 [pid 5089] <... chmod resumed>) = 0 [pid 5085] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] <... mkdir resumed>) = 0 [pid 5089] chdir("./syzkaller.QCKj80" [pid 5085] close(3 [pid 5087] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5092] write(3, "1000", 4 [pid 5089] <... chdir resumed>) = 0 [pid 5085] <... close resumed>) = 0 [pid 5092] <... write resumed>) = 4 [pid 5087] <... openat resumed>) = 3 [pid 5092] close(3 [pid 5089] mkdir("./0", 0777 [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5092] <... close resumed>) = 0 [pid 5092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5092] memfd_create("syzkaller", 0) = 3 [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d35efb000 [pid 5089] <... mkdir resumed>) = 0 [pid 5087] ioctl(3, LOOP_CLR_FD [pid 5085] <... clone resumed>, child_tidptr=0x5555566815d0) = 5094 [pid 5090] <... memfd_create resumed>) = 3 syzkaller login: [ 79.018564][ T5090] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5090 'syz-executor761' [pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0./strace-static-x86_64: Process 5094 attached [pid 5089] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5094] chdir("./0" [pid 5090] <... mmap resumed>) = 0x7f6d35efb000 [pid 5087] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5094] <... chdir resumed>) = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] close(3) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] <... prctl resumed>) = 0 [pid 5094] setpgid(0, 0 [pid 5089] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5095 attached [pid 5094] <... setpgid resumed>) = 0 [pid 5089] ioctl(3, LOOP_CLR_FD [pid 5087] <... clone resumed>, child_tidptr=0x5555566815d0) = 5095 [pid 5095] chdir("./0" [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5095] <... chdir resumed>) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 5089] close(3 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... symlink resumed>) = 0 [pid 5095] <... prctl resumed>) = 0 [pid 5094] memfd_create("syzkaller", 0 [pid 5089] <... close resumed>) = 0 [pid 5094] <... memfd_create resumed>) = 3 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] setpgid(0, 0 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d35efb000 [pid 5095] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5096 attached [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] <... clone resumed>, child_tidptr=0x5555566815d0) = 5096 [pid 5096] chdir("./0" [pid 5095] <... openat resumed>) = 3 [pid 5096] <... chdir resumed>) = 0 [pid 5095] write(3, "1000", 4 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] <... write resumed>) = 4 [pid 5096] <... prctl resumed>) = 0 [pid 5095] close(3 [pid 5096] setpgid(0, 0 [pid 5095] <... close resumed>) = 0 [pid 5096] <... setpgid resumed>) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs" [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... symlink resumed>) = 0 [pid 5096] <... openat resumed>) = 3 [pid 5096] write(3, "1000", 4 [pid 5095] memfd_create("syzkaller", 0 [pid 5096] <... write resumed>) = 4 [pid 5095] <... memfd_create resumed>) = 3 [pid 5096] close(3 [pid 5095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5096] <... close resumed>) = 0 [pid 5095] <... mmap resumed>) = 0x7f6d35efb000 [pid 5091] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d35efb000 [pid 5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5090] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5095] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5096] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5095] <... write resumed>) = 4194304 [pid 5094] <... write resumed>) = 4194304 [pid 5092] <... write resumed>) = 4194304 [pid 5094] munmap(0x7f6d35efb000, 4194304) = 0 [pid 5091] <... write resumed>) = 4194304 [pid 5094] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5095] munmap(0x7f6d35efb000, 4194304 [pid 5091] munmap(0x7f6d35efb000, 4194304 [pid 5095] <... munmap resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5095] ioctl(4, LOOP_SET_FD, 3 [pid 5091] <... munmap resumed>) = 0 [pid 5091] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5091] ioctl(4, LOOP_SET_FD, 3 [pid 5092] munmap(0x7f6d35efb000, 4194304) = 0 [pid 5091] <... ioctl resumed>) = 0 [pid 5090] <... write resumed>) = 4194304 [pid 5092] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3 [pid 5095] <... ioctl resumed>) = 0 [pid 5094] close(3 [pid 5090] munmap(0x7f6d35efb000, 4194304 [pid 5094] <... close resumed>) = 0 [pid 5094] mkdir("./file0", 0777 [pid 5095] close(3 [pid 5094] <... mkdir resumed>) = 0 [pid 5090] <... munmap resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 5094] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5095] mkdir("./file0", 0777 [pid 5090] <... openat resumed>) = 4 [pid 5092] <... ioctl resumed>) = 0 [pid 5092] close(3) = 0 [pid 5092] mkdir("./file0", 0777 [pid 5095] <... mkdir resumed>) = 0 [ 79.443059][ T5094] loop1: detected capacity change from 0 to 8192 [ 79.461122][ T5091] loop4: detected capacity change from 0 to 8192 [ 79.465563][ T5095] loop3: detected capacity change from 0 to 8192 [ 79.471624][ T5092] loop2: detected capacity change from 0 to 8192 [pid 5090] ioctl(4, LOOP_SET_FD, 3 [pid 5092] <... mkdir resumed>) = 0 [pid 5092] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5091] close(3) = 0 [pid 5091] mkdir("./file0", 0777) = 0 [pid 5091] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5090] <... ioctl resumed>) = 0 [pid 5095] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5090] close(3 [pid 5096] <... write resumed>) = 4194304 [pid 5090] <... close resumed>) = 0 [pid 5096] munmap(0x7f6d35efb000, 4194304 [pid 5090] mkdir("./file0", 0777 [pid 5096] <... munmap resumed>) = 0 [pid 5090] <... mkdir resumed>) = 0 [ 79.492772][ T5090] loop0: detected capacity change from 0 to 8192 [ 79.504286][ T5092] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.518727][ T5095] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.520272][ T5092] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5096] openat(AT_FDCWD, "/dev/loop5", O_RDWR [ 79.534251][ T5095] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 79.541812][ T5094] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.552780][ T5095] REISERFS (device loop3): using ordered data mode [ 79.564678][ T5094] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 79.580206][ T5094] REISERFS (device loop1): using ordered data mode [ 79.581440][ T5096] loop5: detected capacity change from 0 to 8192 [pid 5090] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5096] <... openat resumed>) = 4 [ 79.587613][ T5094] reiserfs: using flush barriers [ 79.593615][ T5091] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.600669][ T5092] REISERFS (device loop2): using ordered data mode [ 79.612540][ T5090] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = 0 [ 79.618221][ T5094] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.633496][ T5092] reiserfs: using flush barriers [ 79.648120][ T5094] REISERFS (device loop1): checking transaction log (loop1) [ 79.659257][ T5095] reiserfs: using flush barriers [ 79.661348][ T5095] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.671174][ T5091] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5096] close(3) = 0 [pid 5096] mkdir("./file0", 0777) = 0 [ 79.685855][ T5090] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 79.697052][ T5091] REISERFS (device loop4): using ordered data mode [ 79.703706][ T5092] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.713906][ T5091] reiserfs: using flush barriers [ 79.724267][ T5090] REISERFS (device loop0): using ordered data mode [ 79.738941][ T5091] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.740355][ T5095] REISERFS (device loop3): checking transaction log (loop3) [ 79.760735][ T5092] REISERFS (device loop2): checking transaction log (loop2) [ 79.772425][ T5096] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.783952][ T5091] REISERFS (device loop4): checking transaction log (loop4) [ 79.801098][ T5090] reiserfs: using flush barriers [ 79.833784][ T5090] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.834264][ T5094] REISERFS (device loop1): Using r5 hash to sort names [ 79.863493][ T5094] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 79.870770][ T5096] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 79.879829][ T5090] REISERFS (device loop0): checking transaction log (loop0) [pid 5096] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5094] <... mount resumed>) = 0 [pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5094] chdir("./file0") = 0 [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5094] close(4) = 0 [pid 5094] creat("./bus", 000) = 4 [ 79.966144][ T5096] REISERFS (device loop5): using ordered data mode [ 79.995552][ T5096] reiserfs: using flush barriers [pid 5094] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32) = 32 [pid 5094] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 5094] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000 [pid 5094] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [ 80.031424][ T5096] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5094] write(-1, 0x20000080, 296) = -1 EBADF (Bad file descriptor) [pid 5094] exit_group(0) = ? [pid 5094] +++ exited with 0 +++ [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=25 /* 0.25 s */} --- [pid 5085] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 80.076336][ T5092] REISERFS (device loop2): Using r5 hash to sort names [ 80.115581][ T5096] REISERFS (device loop5): checking transaction log (loop5) [pid 5085] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5085] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5085] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] getdents64(3, 0x555556682620 /* 4 entries */, 32768) = 112 [pid 5085] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5085] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5085] unlink("./0/binderfs") = 0 [ 80.116674][ T5092] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5085] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5092] <... mount resumed>) = 0 [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5092] chdir("./file0") = 0 [pid 5092] ioctl(4, LOOP_CLR_FD) = 0 [pid 5092] close(4) = 0 [pid 5092] creat("./bus", 000) = 4 [ 80.153349][ T5091] REISERFS (device loop4): Using r5 hash to sort names [ 80.157932][ T5090] REISERFS (device loop0): Using r5 hash to sort names [ 80.165917][ T5091] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5092] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32) = 32 [pid 5092] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 5092] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000 [pid 5092] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5092] write(-1, 0x20000080, 296) = -1 EBADF (Bad file descriptor) [pid 5092] exit_group(0) = ? [pid 5092] +++ exited with 0 +++ [ 80.201181][ T5090] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5091] <... mount resumed>) = 0 [pid 5086] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5091] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5090] <... mount resumed>) = 0 [pid 5091] <... openat resumed>) = 3 [pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5091] chdir("./file0") = 0 [pid 5090] <... openat resumed>) = 3 [pid 5086] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] ioctl(4, LOOP_CLR_FD [pid 5090] chdir("./file0" [pid 5086] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] <... ioctl resumed>) = 0 [pid 5090] <... chdir resumed>) = 0 [pid 5086] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5091] close(4 [pid 5090] ioctl(4, LOOP_CLR_FD [pid 5086] <... openat resumed>) = 3 [pid 5091] <... close resumed>) = 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5086] fstat(3, [pid 5091] creat("./bus", 000 [pid 5090] close(4 [pid 5086] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5091] <... creat resumed>) = 4 [pid 5090] <... close resumed>) = 0 [pid 5091] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5090] creat("./bus", 000 [pid 5086] getdents64(3, [pid 5091] <... write resumed>) = 32 [pid 5090] <... creat resumed>) = 4 [pid 5091] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 5090] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5086] <... getdents64 resumed>0x555556682620 /* 4 entries */, 32768) = 112 [pid 5091] <... open resumed>) = 5 [pid 5090] <... write resumed>) = 32 [ 80.244355][ T5095] REISERFS (device loop3): Using r5 hash to sort names [pid 5086] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5091] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0 [pid 5090] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 5090] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000 [pid 5090] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5086] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] write(-1, 0x20000080, 296 [pid 5091] <... mmap resumed>) = 0x20000000 [pid 5090] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] lstat("./0/binderfs", [pid 5091] ioctl(4, FS_IOC_GETVERSION [pid 5090] exit_group(0 [pid 5091] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5090] <... exit_group resumed>) = ? [pid 5086] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5091] write(-1, 0x20000080, 296 [pid 5090] +++ exited with 0 +++ [pid 5086] unlink("./0/binderfs" [pid 5091] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5091] exit_group(0 [pid 5086] <... unlink resumed>) = 0 [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5091] <... exit_group resumed>) = ? [pid 5086] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] restart_syscall(<... resuming interrupted clone ...> [pid 5091] +++ exited with 0 +++ [pid 5084] <... restart_syscall resumed>) = 0 [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- [pid 5088] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5084] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5084] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5088] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5084] <... openat resumed>) = 3 [pid 5088] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] fstat(3, [pid 5088] <... openat resumed>) = 3 [pid 5088] fstat(3, [pid 5084] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5088] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5088] getdents64(3, [pid 5084] getdents64(3, [pid 5088] <... getdents64 resumed>0x555556682620 /* 4 entries */, 32768) = 112 [pid 5084] <... getdents64 resumed>0x555556682620 /* 4 entries */, 32768) = 112 [pid 5088] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] lstat("./0/binderfs", [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 80.303778][ T5095] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5095] <... mount resumed>) = 0 [pid 5088] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5084] lstat("./0/binderfs", [pid 5095] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5088] unlink("./0/binderfs" [pid 5084] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5095] <... openat resumed>) = 3 [pid 5095] chdir("./file0" [pid 5088] <... unlink resumed>) = 0 [pid 5084] unlink("./0/binderfs" [pid 5095] <... chdir resumed>) = 0 [pid 5088] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] ioctl(4, LOOP_CLR_FD [pid 5084] <... unlink resumed>) = 0 [pid 5095] <... ioctl resumed>) = 0 [pid 5084] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5095] close(4) = 0 [pid 5095] creat("./bus", 000) = 4 [pid 5095] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32) = 32 [pid 5095] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 5095] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000 [pid 5095] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5095] write(-1, 0x20000080, 296) = -1 EBADF (Bad file descriptor) [pid 5095] exit_group(0) = ? [pid 5095] +++ exited with 0 +++ [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5087] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5087] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5087] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5087] getdents64(3, 0x555556682620 /* 4 entries */, 32768) = 112 [pid 5087] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5087] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5087] unlink("./0/binderfs") = 0 [pid 5087] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] <... umount2 resumed>) = 0 [pid 5085] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] <... umount2 resumed>) = 0 [pid 5084] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5084] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5084] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5084] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] getdents64(4, 0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5084] getdents64(4, 0x55555668a660 /* 0 entries */, 32768) = 0 [pid 5084] close(4) = 0 [ 80.465283][ T5096] REISERFS (device loop5): Using r5 hash to sort names [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] rmdir("./0/file0" [pid 5085] lstat("./0/file0", [pid 5084] <... rmdir resumed>) = 0 [pid 5085] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5085] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5085] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] getdents64(4, [pid 5084] getdents64(3, [pid 5085] <... getdents64 resumed>0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5084] <... getdents64 resumed>0x555556682620 /* 0 entries */, 32768) = 0 [pid 5085] getdents64(4, [pid 5084] close(3 [pid 5085] <... getdents64 resumed>0x55555668a660 /* 0 entries */, 32768) = 0 [pid 5084] <... close resumed>) = 0 [pid 5085] close(4 [pid 5084] rmdir("./0" [pid 5085] <... close resumed>) = 0 [pid 5084] <... rmdir resumed>) = 0 [pid 5085] rmdir("./0/file0" [pid 5084] mkdir("./1", 0777 [pid 5085] <... rmdir resumed>) = 0 [pid 5084] <... mkdir resumed>) = 0 [pid 5085] getdents64(3, [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5085] <... getdents64 resumed>0x555556682620 /* 0 entries */, 32768) = 0 [pid 5085] close(3) = 0 [pid 5085] rmdir("./0") = 0 [pid 5085] mkdir("./1", 0777) = 0 [pid 5085] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5085] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5085] close(3) = 0 [pid 5085] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] <... mount resumed>) = 0 [pid 5096] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5085] <... clone resumed>, child_tidptr=0x5555566815d0) = 5105 [pid 5096] chdir("./file0"./strace-static-x86_64: Process 5105 attached [pid 5105] chdir("./1") = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 80.507883][ T5096] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] <... chdir resumed>) = 0 [pid 5105] write(3, "1000", 4 [pid 5096] ioctl(4, LOOP_CLR_FD [pid 5105] <... write resumed>) = 4 [pid 5096] <... ioctl resumed>) = 0 [pid 5105] close(3 [pid 5096] close(4 [pid 5105] <... close resumed>) = 0 [pid 5096] <... close resumed>) = 0 [pid 5105] symlink("/dev/binderfs", "./binderfs" [pid 5096] creat("./bus", 000 [pid 5105] <... symlink resumed>) = 0 [pid 5096] <... creat resumed>) = 4 [pid 5105] memfd_create("syzkaller", 0 [pid 5096] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5105] <... memfd_create resumed>) = 3 [pid 5105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5096] <... write resumed>) = 32 [pid 5096] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 5096] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000 [pid 5096] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5096] write(-1, 0x20000080, 296) = -1 EBADF (Bad file descriptor) [pid 5096] exit_group(0) = ? [pid 5105] <... mmap resumed>) = 0x7f6d35efb000 [pid 5096] +++ exited with 0 +++ [pid 5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=19 /* 0.19 s */} --- [pid 5089] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5089] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5089] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5089] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5089] getdents64(3, 0x555556682620 /* 4 entries */, 32768) = 112 [pid 5089] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5089] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5089] unlink("./0/binderfs") = 0 [pid 5089] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] <... openat resumed>) = 3 [pid 5084] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5084] close(3) = 0 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566815d0) = 5107 ./strace-static-x86_64: Process 5107 attached [pid 5107] chdir("./1" [pid 5086] <... umount2 resumed>) = 0 [pid 5107] <... chdir resumed>) = 0 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5107] setpgid(0, 0) = 0 [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5107] write(3, "1000", 4) = 4 [pid 5088] <... umount2 resumed>) = 0 [pid 5107] close(3) = 0 [pid 5107] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5107] memfd_create("syzkaller", 0 [pid 5086] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... memfd_create resumed>) = 3 [pid 5088] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5086] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5088] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] lstat("./0/file0", [pid 5107] <... mmap resumed>) = 0x7f6d35efb000 [pid 5088] lstat("./0/file0", [pid 5086] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5088] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5086] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5086] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5088] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5086] <... openat resumed>) = 4 [pid 5088] <... openat resumed>) = 4 [pid 5086] fstat(4, [pid 5088] fstat(4, [pid 5086] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5088] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5086] getdents64(4, [pid 5088] getdents64(4, [pid 5086] <... getdents64 resumed>0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5088] <... getdents64 resumed>0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5086] getdents64(4, [pid 5088] getdents64(4, [pid 5086] <... getdents64 resumed>0x55555668a660 /* 0 entries */, 32768) = 0 [pid 5088] <... getdents64 resumed>0x55555668a660 /* 0 entries */, 32768) = 0 [pid 5086] close(4 [pid 5088] close(4 [pid 5086] <... close resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5086] rmdir("./0/file0" [pid 5088] rmdir("./0/file0" [pid 5086] <... rmdir resumed>) = 0 [pid 5088] <... rmdir resumed>) = 0 [pid 5086] getdents64(3, [pid 5088] getdents64(3, 0x555556682620 /* 0 entries */, 32768) = 0 [pid 5086] <... getdents64 resumed>0x555556682620 /* 0 entries */, 32768) = 0 [pid 5088] close(3 [pid 5086] close(3 [pid 5088] <... close resumed>) = 0 [pid 5086] <... close resumed>) = 0 [pid 5088] rmdir("./0" [pid 5086] rmdir("./0" [pid 5088] <... rmdir resumed>) = 0 [pid 5086] <... rmdir resumed>) = 0 [pid 5088] mkdir("./1", 0777 [pid 5086] mkdir("./1", 0777 [pid 5088] <... mkdir resumed>) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5086] <... mkdir resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5086] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5088] ioctl(3, LOOP_CLR_FD [pid 5086] <... openat resumed>) = 3 [pid 5088] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5086] ioctl(3, LOOP_CLR_FD [pid 5088] close(3 [pid 5086] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5088] <... close resumed>) = 0 [pid 5086] close(3 [pid 5088] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... close resumed>) = 0 [pid 5086] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5088] <... clone resumed>, child_tidptr=0x5555566815d0) = 5109 [pid 5086] <... clone resumed>, child_tidptr=0x5555566815d0) = 5110 [pid 5105] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5087] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5109 attached [pid 5109] chdir("./1"./strace-static-x86_64: Process 5110 attached ) = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] chdir("./1" [pid 5109] <... prctl resumed>) = 0 [pid 5110] <... chdir resumed>) = 0 [pid 5109] setpgid(0, 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] <... setpgid resumed>) = 0 [pid 5110] <... prctl resumed>) = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] setpgid(0, 0 [pid 5109] <... openat resumed>) = 3 [pid 5087] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5109] write(3, "1000", 4 [pid 5110] <... setpgid resumed>) = 0 [pid 5087] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5109] <... write resumed>) = 4 [pid 5087] lstat("./0/file0", [pid 5110] <... openat resumed>) = 3 [pid 5109] close(3 [pid 5087] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5110] write(3, "1000", 4 [pid 5109] <... close resumed>) = 0 [pid 5087] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... write resumed>) = 4 [pid 5087] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] close(3 [pid 5087] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5110] <... close resumed>) = 0 [pid 5109] symlink("/dev/binderfs", "./binderfs" [pid 5087] <... openat resumed>) = 4 [pid 5110] symlink("/dev/binderfs", "./binderfs" [pid 5109] <... symlink resumed>) = 0 [pid 5087] fstat(4, [pid 5110] <... symlink resumed>) = 0 [pid 5109] memfd_create("syzkaller", 0 [pid 5087] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5110] memfd_create("syzkaller", 0 [pid 5109] <... memfd_create resumed>) = 3 [pid 5087] getdents64(4, [pid 5110] <... memfd_create resumed>) = 3 [pid 5109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5087] <... getdents64 resumed>0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5109] <... mmap resumed>) = 0x7f6d35efb000 [pid 5087] getdents64(4, [pid 5110] <... mmap resumed>) = 0x7f6d35efb000 [pid 5087] <... getdents64 resumed>0x55555668a660 /* 0 entries */, 32768) = 0 [pid 5087] close(4) = 0 [pid 5087] rmdir("./0/file0") = 0 [pid 5087] getdents64(3, 0x555556682620 /* 0 entries */, 32768) = 0 [pid 5087] close(3) = 0 [pid 5087] rmdir("./0") = 0 [pid 5087] mkdir("./1", 0777 [pid 5107] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5087] <... mkdir resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5087] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5087] close(3) = 0 [pid 5087] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566815d0) = 5111 ./strace-static-x86_64: Process 5111 attached [pid 5111] chdir("./1") = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5111] setpgid(0, 0) = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5111] write(3, "1000", 4) = 4 [pid 5111] close(3) = 0 [pid 5111] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5111] memfd_create("syzkaller", 0) = 3 [pid 5111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d35efb000 [pid 5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5089] <... umount2 resumed>) = 0 [pid 5089] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5089] lstat("./0/file0", [pid 5109] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5105] <... write resumed>) = 4194304 [pid 5089] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5089] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5089] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5089] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5089] getdents64(4, 0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5089] getdents64(4, 0x55555668a660 /* 0 entries */, 32768) = 0 [pid 5089] close(4) = 0 [pid 5089] rmdir("./0/file0") = 0 [pid 5089] getdents64(3, 0x555556682620 /* 0 entries */, 32768) = 0 [pid 5089] close(3) = 0 [pid 5089] rmdir("./0") = 0 [pid 5089] mkdir("./1", 0777) = 0 [pid 5089] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5089] ioctl(3, LOOP_CLR_FD [pid 5105] munmap(0x7f6d35efb000, 4194304 [pid 5089] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5089] close(3) = 0 [pid 5089] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566815d0) = 5112 ./strace-static-x86_64: Process 5112 attached [pid 5112] chdir("./1") = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... munmap resumed>) = 0 [pid 5112] <... openat resumed>) = 3 [pid 5111] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5105] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5112] write(3, "1000", 4) = 4 [pid 5105] <... openat resumed>) = 4 [pid 5112] close(3 [pid 5105] ioctl(4, LOOP_SET_FD, 3 [pid 5112] <... close resumed>) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5112] memfd_create("syzkaller", 0) = 3 [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6d35efb000 [pid 5107] <... write resumed>) = 4194304 [pid 5105] <... ioctl resumed>) = 0 [pid 5105] close(3) = 0 [pid 5105] mkdir("./file0", 0777 [pid 5107] munmap(0x7f6d35efb000, 4194304 [pid 5105] <... mkdir resumed>) = 0 [pid 5107] <... munmap resumed>) = 0 [pid 5105] mount("/dev/loop1", "./file0", "reiserfs", 0, "" [pid 5107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 81.098203][ T5105] loop1: detected capacity change from 0 to 8192 [pid 5107] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5107] close(3) = 0 [pid 5107] mkdir("./file0", 0777) = 0 [ 81.143658][ T5107] loop0: detected capacity change from 0 to 8192 [ 81.151449][ T5105] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.179182][ T5105] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5107] mount("/dev/loop0", "./file0", "reiserfs", 0, "" [pid 5112] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304 [pid 5109] <... write resumed>) = 4194304 [pid 5110] <... write resumed>) = 4194304 [pid 5109] munmap(0x7f6d35efb000, 4194304 [pid 5110] munmap(0x7f6d35efb000, 4194304 [pid 5109] <... munmap resumed>) = 0 [pid 5109] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5110] <... munmap resumed>) = 0 [pid 5109] <... openat resumed>) = 4 [pid 5110] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5109] ioctl(4, LOOP_SET_FD, 3 [pid 5111] <... write resumed>) = 4194304 [pid 5110] <... openat resumed>) = 4 [pid 5109] <... ioctl resumed>) = 0 [ 81.193951][ T5107] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.217411][ T5105] REISERFS (device loop1): using ordered data mode [ 81.234556][ T5109] loop4: detected capacity change from 0 to 8192 [pid 5109] close(3) = 0 [pid 5109] mkdir("./file0", 0777) = 0 [pid 5109] mount("/dev/loop4", "./file0", "reiserfs", 0, "" [pid 5111] munmap(0x7f6d35efb000, 4194304 [pid 5110] ioctl(4, LOOP_SET_FD, 3 [pid 5111] <... munmap resumed>) = 0 [pid 5111] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5110] <... ioctl resumed>) = 0 [pid 5111] <... openat resumed>) = 4 [pid 5110] close(3 [pid 5111] ioctl(4, LOOP_SET_FD, 3 [pid 5110] <... close resumed>) = 0 [ 81.238191][ T5107] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 81.251405][ T5107] REISERFS (device loop0): using ordered data mode [ 81.259428][ T5110] loop2: detected capacity change from 0 to 8192 [ 81.262360][ T5105] reiserfs: using flush barriers [ 81.266595][ T5107] reiserfs: using flush barriers [ 81.278544][ T5109] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.279421][ T5107] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.308148][ T5111] loop3: detected capacity change from 0 to 8192 [ 81.309896][ T5109] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 81.316144][ T5107] REISERFS (device loop0): checking transaction log (loop0) [pid 5111] <... ioctl resumed>) = 0 [pid 5110] mkdir("./file0", 0777 [pid 5111] close(3 [pid 5110] <... mkdir resumed>) = 0 [pid 5111] <... close resumed>) = 0 [pid 5110] mount("/dev/loop2", "./file0", "reiserfs", 0, "" [pid 5111] mkdir("./file0", 0777) = 0 [ 81.324344][ T5105] REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.348441][ T5105] REISERFS (device loop1): checking transaction log (loop1) [ 81.350900][ T5110] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.362640][ T5109] REISERFS (device loop4): using ordered data mode [ 81.371452][ T5111] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.390502][ T5111] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 81.401254][ T5109] reiserfs: using flush barriers [ 81.407777][ T5109] REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.425482][ T5109] REISERFS (device loop4): checking transaction log (loop4) [ 81.451949][ T5111] REISERFS (device loop3): using ordered data mode [ 81.456720][ T5110] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 81.467945][ T5110] REISERFS (device loop2): using ordered data mode [ 81.474630][ T5110] reiserfs: using flush barriers [ 81.481188][ T5111] reiserfs: using flush barriers [ 81.486210][ T5110] REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5111] mount("/dev/loop3", "./file0", "reiserfs", 0, "" [pid 5112] <... write resumed>) = 4194304 [pid 5112] munmap(0x7f6d35efb000, 4194304) = 0 [pid 5112] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [ 81.503320][ T5110] REISERFS (device loop2): checking transaction log (loop2) [ 81.505252][ T5111] REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [pid 5112] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5112] close(3) = 0 [pid 5112] mkdir("./file0", 0777) = 0 [ 81.551432][ T5112] loop5: detected capacity change from 0 to 8192 [ 81.578039][ T5112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.602379][ T5112] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 81.611854][ T5112] REISERFS (device loop5): using ordered data mode [ 81.618402][ T5112] reiserfs: using flush barriers [ 81.648559][ T5111] REISERFS (device loop3): checking transaction log (loop3) [ 81.654228][ T5112] REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.676933][ T5112] REISERFS (device loop5): checking transaction log (loop5) [pid 5112] mount("/dev/loop5", "./file0", "reiserfs", 0, "" [pid 5109] <... mount resumed>) = 0 [pid 5109] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5109] chdir("./file0") = 0 [ 81.698747][ T5109] REISERFS (device loop4): Using r5 hash to sort names [ 81.706826][ T5109] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 81.718901][ T5105] REISERFS (device loop1): Using r5 hash to sort names [pid 5109] ioctl(4, LOOP_CLR_FD) = 0 [pid 5109] close(4) = 0 [pid 5109] creat("./bus", 000) = 4 [pid 5109] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32) = 32 [pid 5109] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c) = 5 [pid 5109] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0) = 0x20000000 [pid 5109] ioctl(4, FS_IOC_GETVERSION [pid 5105] <... mount resumed>) = 0 [ 81.748213][ T5105] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 81.765637][ T5110] REISERFS (device loop2): Using r5 hash to sort names [ 81.784376][ T5110] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5105] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5109] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5109] write(-1, 0x20000080, 296) = -1 EBADF (Bad file descriptor) [pid 5109] exit_group(0) = ? [pid 5105] chdir("./file0" [pid 5109] +++ exited with 0 +++ [pid 5088] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5088] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5088] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5105] <... chdir resumed>) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5105] ioctl(4, LOOP_CLR_FD [pid 5088] fstat(3, [pid 5110] <... mount resumed>) = 0 [pid 5105] <... ioctl resumed>) = 0 [pid 5088] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5105] close(4 [pid 5088] getdents64(3, [pid 5110] <... openat resumed>) = 3 [pid 5105] <... close resumed>) = 0 [pid 5088] <... getdents64 resumed>0x555556682620 /* 4 entries */, 32768) = 112 [pid 5110] chdir("./file0" [pid 5105] creat("./bus", 000 [pid 5088] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... chdir resumed>) = 0 [pid 5105] <... creat resumed>) = 4 [pid 5088] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 81.795785][ T5107] REISERFS (device loop0): Using r5 hash to sort names [pid 5110] ioctl(4, LOOP_CLR_FD [pid 5105] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5088] lstat("./1/binderfs", [pid 5110] <... ioctl resumed>) = 0 [pid 5105] <... write resumed>) = 32 [pid 5088] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5110] close(4 [pid 5105] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 5088] unlink("./1/binderfs" [pid 5110] <... close resumed>) = 0 [pid 5105] <... open resumed>) = 5 [pid 5088] <... unlink resumed>) = 0 [pid 5110] creat("./bus", 000 [pid 5105] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0 [pid 5088] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... creat resumed>) = 4 [pid 5105] <... mmap resumed>) = 0x20000000 [pid 5110] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5107] <... mount resumed>) = 0 [pid 5105] ioctl(4, FS_IOC_GETVERSION [pid 5110] <... write resumed>) = 32 [pid 5107] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5105] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5110] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 5107] <... openat resumed>) = 3 [pid 5105] write(-1, 0x20000080, 296 [pid 5110] <... open resumed>) = 5 [pid 5107] chdir("./file0" [pid 5105] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5110] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0 [pid 5107] <... chdir resumed>) = 0 [ 81.841433][ T5107] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5105] exit_group(0 [pid 5110] <... mmap resumed>) = 0x20000000 [pid 5107] ioctl(4, LOOP_CLR_FD [pid 5105] <... exit_group resumed>) = ? [pid 5110] ioctl(4, FS_IOC_GETVERSION [pid 5107] <... ioctl resumed>) = 0 [pid 5105] +++ exited with 0 +++ [pid 5110] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5107] close(4 [pid 5085] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5110] write(-1, 0x20000080, 296 [pid 5107] <... close resumed>) = 0 [pid 5110] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5107] creat("./bus", 000 [pid 5110] exit_group(0 [pid 5107] <... creat resumed>) = 4 [pid 5085] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5110] <... exit_group resumed>) = ? [pid 5107] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] +++ exited with 0 +++ [pid 5107] <... write resumed>) = 32 [pid 5085] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5107] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 5086] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5085] <... openat resumed>) = 3 [pid 5107] <... open resumed>) = 5 [pid 5085] fstat(3, [pid 5107] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0 [pid 5085] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] getdents64(3, [pid 5107] <... mmap resumed>) = 0x20000000 [pid 5085] <... getdents64 resumed>0x555556682620 /* 4 entries */, 32768) = 112 [pid 5107] ioctl(4, FS_IOC_GETVERSION [pid 5085] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5086] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] write(-1, 0x20000080, 296 [pid 5086] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] lstat("./1/binderfs", [pid 5107] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5086] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5085] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5107] exit_group(0 [pid 5086] <... openat resumed>) = 3 [pid 5085] unlink("./1/binderfs" [pid 5107] <... exit_group resumed>) = ? [pid 5086] fstat(3, [pid 5085] <... unlink resumed>) = 0 [pid 5086] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] +++ exited with 0 +++ [pid 5086] getdents64(3, 0x555556682620 /* 4 entries */, 32768) = 112 [pid 5084] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=24 /* 0.24 s */} --- [pid 5086] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5086] lstat("./1/binderfs", [pid 5084] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5086] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] unlink("./1/binderfs" [pid 5084] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5086] <... unlink resumed>) = 0 [pid 5084] <... openat resumed>) = 3 [pid 5086] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] getdents64(3, 0x555556682620 /* 4 entries */, 32768) = 112 [pid 5084] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5084] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5084] unlink("./1/binderfs") = 0 [ 82.024229][ T5111] REISERFS (device loop3): Using r5 hash to sort names [ 82.055391][ T5112] REISERFS (device loop5): Using r5 hash to sort names [ 82.066713][ T5111] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5084] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] <... mount resumed>) = 0 [pid 5111] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5084] <... umount2 resumed>) = 0 [pid 5111] <... openat resumed>) = 3 [pid 5084] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... mount resumed>) = 0 [pid 5111] chdir("./file0" [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5111] <... chdir resumed>) = 0 [pid 5084] lstat("./1/file0", [pid 5112] <... openat resumed>) = 3 [pid 5111] ioctl(4, LOOP_CLR_FD [pid 5084] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5112] chdir("./file0" [pid 5111] <... ioctl resumed>) = 0 [pid 5084] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... chdir resumed>) = 0 [pid 5111] close(4 [pid 5084] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] ioctl(4, LOOP_CLR_FD [pid 5111] <... close resumed>) = 0 [pid 5084] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 82.105990][ T5112] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5084] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] getdents64(4, [pid 5112] <... ioctl resumed>) = 0 [pid 5111] creat("./bus", 000 [pid 5084] <... getdents64 resumed>0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5112] close(4 [pid 5111] <... creat resumed>) = 4 [pid 5084] getdents64(4, [pid 5112] <... close resumed>) = 0 [pid 5111] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5084] <... getdents64 resumed>0x55555668a660 /* 0 entries */, 32768) = 0 [pid 5112] creat("./bus", 000 [pid 5084] close(4 [pid 5112] <... creat resumed>) = 4 [pid 5111] <... write resumed>) = 32 [pid 5084] <... close resumed>) = 0 [pid 5112] write(4, "\x00\x00\x00\x00\x18\x00\x00\xfa\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 32 [pid 5111] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 5084] rmdir("./1/file0" [pid 5112] <... write resumed>) = 32 [pid 5111] <... open resumed>) = 5 [pid 5084] <... rmdir resumed>) = 0 [pid 5112] open("./bus", O_RDWR|O_NOCTTY|O_SYNC|O_NOATIME|0x3c [pid 5111] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0 [pid 5084] getdents64(3, [pid 5112] <... open resumed>) = 5 [pid 5084] <... getdents64 resumed>0x555556682620 /* 0 entries */, 32768) = 0 [pid 5084] close(3 [pid 5112] mmap(0x20000000, 6291456, PROT_WRITE|PROT_EXEC|PROT_SEM|0x7ffff0, MAP_SHARED|MAP_FIXED, 5, 0 [pid 5111] <... mmap resumed>) = 0x20000000 [pid 5084] <... close resumed>) = 0 [pid 5084] rmdir("./1" [pid 5112] <... mmap resumed>) = 0x20000000 [pid 5111] ioctl(4, FS_IOC_GETVERSION [pid 5084] <... rmdir resumed>) = 0 [pid 5112] ioctl(4, FS_IOC_GETVERSION [pid 5111] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5084] mkdir("./2", 0777 [pid 5112] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5111] write(-1, 0x20000080, 296 [pid 5084] <... mkdir resumed>) = 0 [pid 5112] write(-1, 0x20000080, 296 [pid 5111] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5112] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5111] exit_group(0 [pid 5112] exit_group(0 [pid 5111] <... exit_group resumed>) = ? [pid 5088] <... umount2 resumed>) = 0 [pid 5112] <... exit_group resumed>) = ? [pid 5088] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] +++ exited with 0 +++ [pid 5087] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5087] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5112] +++ exited with 0 +++ [pid 5087] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=19 /* 0.19 s */} --- [pid 5087] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5089] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] fstat(3, [pid 5089] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5087] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5089] <... openat resumed>) = 3 [pid 5087] getdents64(3, [pid 5084] <... openat resumed>) = 3 [pid 5089] fstat(3, [pid 5087] <... getdents64 resumed>0x555556682620 /* 4 entries */, 32768) = 112 [pid 5084] ioctl(3, LOOP_CLR_FD [pid 5089] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5087] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5089] getdents64(3, [pid 5087] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] close(3 [pid 5089] <... getdents64 resumed>0x555556682620 /* 4 entries */, 32768) = 112 [pid 5087] lstat("./1/binderfs", [pid 5084] <... close resumed>) = 0 [pid 5089] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5084] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] unlink("./1/binderfs"./strace-static-x86_64: Process 5119 attached [pid 5089] lstat("./1/binderfs", [pid 5087] <... unlink resumed>) = 0 [pid 5084] <... clone resumed>, child_tidptr=0x5555566815d0) = 5119 [pid 5089] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5088] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5087] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5089] unlink("./1/binderfs" [pid 5088] lstat("./1/file0", [pid 5085] <... umount2 resumed>) = 0 [pid 5119] chdir("./2" [pid 5089] <... unlink resumed>) = 0 [pid 5088] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5119] <... chdir resumed>) = 0 [pid 5089] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5088] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5088] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... prctl resumed>) = 0 [pid 5088] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5085] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] setpgid(0, 0 [pid 5088] <... openat resumed>) = 4 [pid 5085] lstat("./1/file0", [pid 5119] <... setpgid resumed>) = 0 [pid 5088] fstat(4, [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5088] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5119] <... openat resumed>) = 3 [pid 5088] getdents64(4, 0x55555668a660 /* 2 entries */, 32768) = 48 [pid 5085] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW