./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3913850165 <...> [ 19.192537][ T4671] dhcpcd-run-hook (4671) used greatest stack depth: 22288 bytes left forked to background, child pid 4667 [ 20.168243][ T4668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.178422][ T4668] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.28' (ECDSA) to the list of known hosts. execve("./syz-executor3913850165", ["./syz-executor3913850165"], 0x7fff48b70570 /* 10 vars */) = 0 brk(NULL) = 0x555555cac000 brk(0x555555cacc40) = 0x555555cacc40 arch_prctl(ARCH_SET_FS, 0x555555cac300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555cac5d0) = 4998 set_robust_list(0x555555cac5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f0cdca1cce0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f0cdca1d3b0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f0cdca1cd80, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0cdca1d3b0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3913850165", 4096) = 28 brk(0x555555ccdc40) = 0x555555ccdc40 brk(0x555555cce000) = 0x555555cce000 mprotect(0x7f0cdcadf000, 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 getpid() = 4998 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "4998", 4) = 4 close(3) = 0 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=784, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=4998}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x2e\x00\x00\x00\x98\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 784 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4998}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 access("/proc/net", R_OK) = 0 access("/proc/net/unix", R_OK) = 0 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4998}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4998}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4998}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4998}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=4998}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5002 ./strace-static-x86_64: Process 5002 attached ./strace-static-x86_64: Process 5000 attached [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] set_robust_list(0x555555cac5e0, 24 [pid 5000] set_robust_list(0x555555cac5e0, 24./strace-static-x86_64: Process 5003 attached [pid 4998] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5003 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5004 attached [pid 5003] set_robust_list(0x555555cac5e0, 24 [pid 5002] <... set_robust_list resumed>) = 0 [pid 5000] <... set_robust_list resumed>) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5004 [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5005 [pid 5002] getpid( [pid 4998] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... getpid resumed>) = 5002 [pid 5000] getpid() = 5000 [pid 5004] set_robust_list(0x555555cac5e0, 24 [pid 5003] <... set_robust_list resumed>) = 0 [pid 5002] mkdir("./syzkaller.sEXKGp", 0700 [pid 5000] mkdir("./syzkaller.t5grUf", 0700./strace-static-x86_64: Process 5005 attached [pid 5005] set_robust_list(0x555555cac5e0, 24 [pid 5000] <... mkdir resumed>) = 0 [pid 5005] <... set_robust_list resumed>) = 0 [pid 5005] getpid() = 5005 [pid 5002] <... mkdir resumed>) = 0 [pid 5005] mkdir("./syzkaller.7LaETC", 0700 [pid 5002] chmod("./syzkaller.sEXKGp", 0777 [pid 5000] chmod("./syzkaller.t5grUf", 0777 [pid 5005] <... mkdir resumed>) = 0 [pid 5002] <... chmod resumed>) = 0 [pid 5005] chmod("./syzkaller.7LaETC", 0777) = 0 [pid 5002] chdir("./syzkaller.sEXKGp" [pid 5000] <... chmod resumed>) = 0 [pid 5005] chdir("./syzkaller.7LaETC") = 0 [pid 5005] mkdir("./0", 0777 [pid 5002] <... chdir resumed>) = 0 [pid 5000] chdir("./syzkaller.t5grUf" [pid 5002] mkdir("./0", 0777 [pid 5000] <... chdir resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... mkdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] mkdir("./0", 0777 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5004] <... set_robust_list resumed>) = 0 [pid 5003] getpid( [pid 5002] <... openat resumed>) = 3 [pid 5000] <... mkdir resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] <... getpid resumed>) = 5003 [pid 5003] mkdir("./syzkaller.Fw2h0t", 0700 [pid 5000] close(3) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5007 [pid 5003] chmod("./syzkaller.Fw2h0t", 0777) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5008 [pid 5003] chdir("./syzkaller.Fw2h0t") = 0 [pid 5003] mkdir("./0", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] getpid( [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5009 [pid 5004] <... getpid resumed>) = 5004 [pid 5004] mkdir("./syzkaller.kXfxvB", 0700) = 0 [pid 4998] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5006 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5007 attached ./strace-static-x86_64: Process 5008 attached [pid 5007] set_robust_list(0x555555cac5e0, 24 [pid 5008] set_robust_list(0x555555cac5e0, 24 [pid 5007] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5009 attached [pid 5008] <... set_robust_list resumed>) = 0 [pid 5004] chmod("./syzkaller.kXfxvB", 0777 [pid 5007] chdir("./0" [pid 5008] chdir("./0" [pid 5009] set_robust_list(0x555555cac5e0, 24 [pid 5004] <... chmod resumed>) = 0 [pid 5009] <... set_robust_list resumed>) = 0 [pid 5008] <... chdir resumed>) = 0 [pid 5007] <... chdir resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5010 ./strace-static-x86_64: Process 5010 attached [pid 5010] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5010] chdir("./0") = 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] setpgid(0, 0) = 0 [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5009] chdir("./0" [pid 5008] <... prctl resumed>) = 0 [pid 5007] <... prctl resumed>) = 0 [pid 5004] chdir("./syzkaller.kXfxvB" [pid 5009] <... chdir resumed>) = 0 [pid 5008] setpgid(0, 0./strace-static-x86_64: Process 5006 attached [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5008] <... setpgid resumed>) = 0 [pid 5007] setpgid(0, 0 [pid 5004] <... chdir resumed>) = 0 [pid 5009] <... prctl resumed>) = 0 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5007] <... setpgid resumed>) = 0 [pid 5006] set_robust_list(0x555555cac5e0, 24 [pid 5004] mkdir("./0", 0777 [pid 5009] setpgid(0, 0 [pid 5008] <... openat resumed>) = 3 [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... set_robust_list resumed>) = 0 [pid 5009] <... setpgid resumed>) = 0 [pid 5008] write(3, "1000", 4 [pid 5007] <... openat resumed>) = 3 [pid 5004] <... mkdir resumed>) = 0 [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5008] <... write resumed>) = 4 [pid 5007] write(3, "1000", 4 [pid 5006] getpid( [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5009] <... openat resumed>) = 3 [pid 5008] close(3 [pid 5007] <... write resumed>) = 4 [pid 5006] <... getpid resumed>) = 5006 [pid 5004] <... openat resumed>) = 3 [pid 5009] write(3, "1000", 4 [pid 5008] <... close resumed>) = 0 [pid 5007] close(3 [pid 5006] mkdir("./syzkaller.BhE6TH", 0700 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5009] <... write resumed>) = 4 [pid 5008] symlink("/dev/binderfs", "./binderfs" [pid 5007] <... close resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5009] close(3 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5009] <... close resumed>) = 0 [pid 5008] <... symlink resumed>) = 0 [pid 5007] symlink("/dev/binderfs", "./binderfs" [pid 5006] chmod("./syzkaller.BhE6TH", 0777 [pid 5004] close(3 [pid 5009] symlink("/dev/binderfs", "./binderfs" [pid 5008] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... symlink resumed>) = 0 [pid 5006] <... chmod resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5009] <... symlink resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5007] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] chdir("./syzkaller.BhE6TH" [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5009] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5007] <... futex resumed>) = 0 [pid 5006] <... chdir resumed>) = 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... futex resumed>) = 0 [pid 5008] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5006] mkdir("./0", 0777 [pid 5010] <... openat resumed>) = 3 [pid 5009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5008] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5007] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5006] <... mkdir resumed>) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5011 [pid 5010] write(3, "1000", 4 [pid 5009] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5008] <... mprotect resumed>) = 0 [pid 5007] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5010] <... write resumed>) = 4 [pid 5009] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5008] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5007] <... mprotect resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [pid 5010] close(3 [pid 5009] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 5011 attached [pid 5010] <... close resumed>) = 0 [pid 5009] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5008] <... clone resumed>, parent_tid=[5012], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5012 [pid 5007] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5010] symlink("/dev/binderfs", "./binderfs" [pid 5008] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5011] set_robust_list(0x555555cac5e0, 24 [pid 5010] <... symlink resumed>) = 0 [pid 5009] <... clone resumed>, parent_tid=[5013], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5013 [pid 5008] <... futex resumed>) = 0 [pid 5007] <... clone resumed>, parent_tid=[5014], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5014 [pid 5010] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5012 attached ) = 0x7f0cdc9eb000 [pid 5012] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5010] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5012] <... set_robust_list resumed>) = 0 [pid 5010] <... mprotect resumed>) = 0 [pid 5006] close(3./strace-static-x86_64: Process 5014 attached ./strace-static-x86_64: Process 5013 attached [pid 5012] memfd_create("syzkaller", 0 [pid 5011] <... set_robust_list resumed>) = 0 [pid 5010] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5009] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... close resumed>) = 0 ./strace-static-x86_64: Process 5015 attached [pid 5014] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5013] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5011] chdir("./0" [pid 5009] <... futex resumed>) = 0 [pid 5007] <... futex resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5015] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5014] <... set_robust_list resumed>) = 0 [pid 5013] <... set_robust_list resumed>) = 0 [pid 5011] <... chdir resumed>) = 0 [pid 5010] <... clone resumed>, parent_tid=[5015], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5015 [pid 5009] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5007] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5015] <... set_robust_list resumed>) = 0 [pid 5014] memfd_create("syzkaller", 0 [pid 5013] memfd_create("syzkaller", 0 [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5015] memfd_create("syzkaller", 0 [pid 5014] <... memfd_create resumed>) = 3 [pid 5013] <... memfd_create resumed>) = 3 [pid 5011] <... prctl resumed>) = 0 [pid 5010] <... futex resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5016 [pid 5015] <... memfd_create resumed>) = 3 [pid 5014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5011] setpgid(0, 0 [pid 5010] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5014] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5013] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5011] <... setpgid resumed>) = 0 [pid 5015] <... mmap resumed>) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5016 attached [pid 5016] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5016] chdir("./0") = 0 [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5016] setpgid(0, 0) = 0 [pid 5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5016] write(3, "1000", 4) = 4 [pid 5016] close(3) = 0 [pid 5016] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5016] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5016] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5016] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5016] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5017], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5017 [pid 5016] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5016] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5012] <... memfd_create resumed>) = 3 [pid 5012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5017 attached [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5017] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5017] memfd_create("syzkaller", 0) = 3 [pid 5017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5011] write(3, "1000", 4) = 4 [pid 5011] close(3) = 0 [pid 5011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5011] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5011] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 syzkaller login: [ 40.941155][ T5012] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5012 'syz-executor391' [pid 5011] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5018], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5018 [pid 5011] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5018 attached [pid 5018] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5018] memfd_create("syzkaller", 0) = 3 [pid 5015] 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 5012] 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 5018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5014] 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 5013] 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 5017] 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 5018] 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 5015] <... write resumed>) = 4194304 [pid 5013] <... write resumed>) = 4194304 [pid 5015] munmap(0x7f0cd45eb000, 4194304 [pid 5014] <... write resumed>) = 4194304 [pid 5013] munmap(0x7f0cd45eb000, 4194304 [pid 5014] munmap(0x7f0cd45eb000, 4194304 [pid 5013] <... munmap resumed>) = 0 [pid 5015] <... munmap resumed>) = 0 [pid 5014] <... munmap resumed>) = 0 [pid 5013] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5015] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5014] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5013] <... openat resumed>) = 4 [pid 5012] <... write resumed>) = 4194304 [pid 5015] <... openat resumed>) = 4 [pid 5014] <... openat resumed>) = 4 [pid 5013] ioctl(4, LOOP_SET_FD, 3 [pid 5015] ioctl(4, LOOP_SET_FD, 3 [pid 5014] ioctl(4, LOOP_SET_FD, 3 [pid 5013] <... ioctl resumed>) = 0 [pid 5012] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5017] <... write resumed>) = 4194304 [pid 5012] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5012] ioctl(4, LOOP_SET_FD, 3 [pid 5018] <... write resumed>) = 4194304 [pid 5017] munmap(0x7f0cd45eb000, 4194304 [pid 5015] <... ioctl resumed>) = 0 [pid 5014] <... ioctl resumed>) = 0 [pid 5013] close(3 [pid 5014] close(3 [pid 5015] close(3 [pid 5014] <... close resumed>) = 0 [pid 5015] <... close resumed>) = 0 [pid 5014] mkdir("./file0", 0777 [pid 5015] mkdir("./file0", 0777 [pid 5012] <... ioctl resumed>) = 0 [pid 5018] munmap(0x7f0cd45eb000, 4194304 [pid 5012] close(3) = 0 [pid 5012] mkdir("./file0", 0777 [pid 5015] <... mkdir resumed>) = 0 [pid 5015] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5014] <... mkdir resumed>) = 0 [pid 5012] <... mkdir resumed>) = 0 [pid 5012] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5014] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5013] <... close resumed>) = 0 [pid 5013] mkdir("./file0", 0777) = 0 [ 41.118292][ T5013] loop2: detected capacity change from 0 to 8192 [ 41.125001][ T5015] loop4: detected capacity change from 0 to 8192 [ 41.131666][ T5014] loop1: detected capacity change from 0 to 8192 [ 41.138124][ T5012] loop0: detected capacity change from 0 to 8192 [ 41.154372][ T5012] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5013] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5018] <... munmap resumed>) = 0 [pid 5017] <... munmap resumed>) = 0 [ 41.155111][ T5015] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 41.168484][ T5012] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 41.181428][ T5014] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 41.190245][ T5012] REISERFS (device loop0): using ordered data mode [ 41.209817][ T5012] reiserfs: using flush barriers [pid 5018] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 41.210905][ T5013] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 41.216755][ T5015] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 41.227823][ T5012] 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 [ 41.236905][ T5015] REISERFS (device loop4): using ordered data mode [pid 5017] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5018] ioctl(4, LOOP_SET_FD, 3 [pid 5017] <... openat resumed>) = 4 [pid 5017] ioctl(4, LOOP_SET_FD, 3 [pid 5018] <... ioctl resumed>) = 0 [pid 5018] close(3) = 0 [ 41.260366][ T5013] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 41.260426][ T5018] loop3: detected capacity change from 0 to 8192 [ 41.270581][ T5017] loop5: detected capacity change from 0 to 8192 [ 41.275870][ T5014] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 41.283765][ T5012] REISERFS (device loop0): checking transaction log (loop0) [ 41.291552][ T5014] REISERFS (device loop1): using ordered data mode [ 41.300112][ T5013] REISERFS (device loop2): using ordered data mode [ 41.305294][ T5014] reiserfs: using flush barriers [pid 5018] mkdir("./file0", 0777 [pid 5017] <... ioctl resumed>) = 0 [pid 5018] <... mkdir resumed>) = 0 [ 41.313070][ T5015] reiserfs: using flush barriers [ 41.320334][ T5013] reiserfs: using flush barriers [ 41.324510][ T5015] 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 [ 41.326570][ T5014] 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 [ 41.343959][ T5015] REISERFS (device loop4): checking transaction log (loop4) [pid 5017] close(3 [pid 5018] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5017] <... close resumed>) = 0 [pid 5017] mkdir("./file0", 0777) = 0 [ 41.362620][ T5014] REISERFS (device loop1): checking transaction log (loop1) [ 41.373281][ T5013] 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 [ 41.392920][ T5013] REISERFS (device loop2): checking transaction log (loop2) [ 41.394505][ T5017] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 41.417417][ T5017] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 41.423256][ T5018] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 41.429394][ T5017] REISERFS (device loop5): using ordered data mode [ 41.447289][ T5017] reiserfs: using flush barriers [ 41.453450][ T5017] 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 [ 41.456522][ T5012] REISERFS (device loop0): Using r5 hash to sort names [ 41.469826][ T5017] REISERFS (device loop5): checking transaction log (loop5) [pid 5017] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "") = 0 [pid 5017] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5017] chdir("./file0") = 0 [ 41.510234][ T5018] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 41.520323][ T5017] REISERFS (device loop5): Using r5 hash to sort names [ 41.528341][ T5017] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 41.536829][ T5012] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 41.539473][ T5018] REISERFS (device loop3): using ordered data mode [ 41.553334][ T5018] reiserfs: using flush barriers [pid 5012] <... mount resumed>) = 0 [pid 5012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5012] chdir("./file0") = 0 [pid 5012] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] close(4 [pid 5017] ioctl(4, LOOP_CLR_FD) = 0 [pid 5017] close(4 [pid 5012] <... close resumed>) = 0 [pid 5017] <... close resumed>) = 0 [pid 5012] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... futex resumed>) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = 1 [pid 5016] <... futex resumed>) = 0 [pid 5012] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5016] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5016] <... futex resumed>) = 0 [pid 5012] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5008] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 41.559868][ T5018] 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 [ 41.578549][ T5018] REISERFS (device loop3): checking transaction log (loop3) [ 41.591314][ T5014] REISERFS (device loop1): Using r5 hash to sort names [ 41.602185][ T5015] REISERFS (device loop4): Using r5 hash to sort names [pid 5017] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5016] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... openat resumed>) = 4 [pid 5017] <... openat resumed>) = 4 [pid 5012] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... futex resumed>) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = 1 [pid 5016] <... futex resumed>) = 0 [pid 5012] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5016] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... futex resumed>) = 0 [pid 5017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5017] ioctl(4, FS_IOC_GETVERSION [pid 5016] <... futex resumed>) = 0 [pid 5012] ioctl(4, FS_IOC_GETVERSION [pid 5008] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5016] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5017] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] <... futex resumed>) = 0 [pid 5016] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... futex resumed>) = 1 [pid 5008] <... futex resumed>) = 0 [pid 5017] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5016] <... futex resumed>) = 0 [pid 5012] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] <... openat resumed>) = 5 [pid 5016] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] <... mount resumed>) = 0 [pid 5012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5008] <... futex resumed>) = 0 [pid 5017] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] <... mount resumed>) = 0 [pid 5014] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5013] <... mount resumed>) = 0 [pid 5012] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5008] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5017] <... futex resumed>) = 0 [pid 5016] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... openat resumed>) = 3 [pid 5013] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5017] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5016] <... futex resumed>) = 0 [pid 5015] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5014] chdir("./file0" [pid 5013] <... openat resumed>) = 3 [pid 5012] <... openat resumed>) = 5 [pid 5017] <... mmap resumed>) = 0x20000000 [pid 5016] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5015] <... openat resumed>) = 3 [pid 5014] <... chdir resumed>) = 0 [pid 5013] chdir("./file0" [pid 5012] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5015] chdir("./file0" [pid 5014] ioctl(4, LOOP_CLR_FD [pid 5013] <... chdir resumed>) = 0 [pid 5012] <... futex resumed>) = 1 [pid 5017] <... futex resumed>) = 0 [pid 5016] exit_group(0 [pid 5015] <... chdir resumed>) = 0 [pid 5014] <... ioctl resumed>) = 0 [pid 5013] ioctl(4, LOOP_CLR_FD [pid 5012] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5008] <... futex resumed>) = 0 [pid 5016] <... exit_group resumed>) = ? [pid 5015] ioctl(4, LOOP_CLR_FD [pid 5014] close(4 [pid 5013] <... ioctl resumed>) = 0 [pid 5008] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5017] +++ exited with 0 +++ [pid 5016] +++ exited with 0 +++ [pid 5015] <... ioctl resumed>) = 0 [pid 5014] <... close resumed>) = 0 [pid 5013] close(4 [pid 5008] <... futex resumed>) = 1 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5016, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5006] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5015] close(4 [pid 5014] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... close resumed>) = 0 [pid 5012] <... futex resumed>) = 0 [pid 5008] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5015] <... close resumed>) = 0 [pid 5014] <... futex resumed>) = 1 [pid 5013] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5007] <... futex resumed>) = 0 [pid 5006] <... openat resumed>) = 3 [ 41.611580][ T5013] REISERFS (device loop2): Using r5 hash to sort names [ 41.617375][ T5014] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 41.641368][ T5015] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 41.647790][ T5013] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5015] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] <... futex resumed>) = 1 [pid 5009] <... futex resumed>) = 0 [pid 5007] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] fstat(3, [pid 5015] <... futex resumed>) = 1 [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5012] <... mmap resumed>) = 0x20000000 [pid 5010] <... futex resumed>) = 0 [pid 5009] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5015] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5014] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5009] <... futex resumed>) = 0 [pid 5007] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] getdents64(3, [pid 5009] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] <... openat resumed>) = 4 [pid 5012] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5014] <... openat resumed>) = 4 [pid 5013] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5012] <... futex resumed>) = 1 [pid 5010] <... futex resumed>) = 0 [pid 5008] <... futex resumed>) = 0 [pid 5006] lstat("./0/binderfs", [pid 5015] <... openat resumed>) = 4 [pid 5014] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... futex resumed>) = 1 [pid 5012] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... futex resumed>) = 0 [pid 5008] exit_group(0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5015] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 1 [pid 5013] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5012] <... futex resumed>) = ? [pid 5010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5008] <... exit_group resumed>) = ? [pid 5007] <... futex resumed>) = 0 [pid 5006] unlink("./0/binderfs" [pid 5015] <... futex resumed>) = 0 [pid 5014] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5012] +++ exited with 0 +++ [pid 5010] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... futex resumed>) = 0 [pid 5007] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... unlink resumed>) = 0 [pid 5015] ioctl(4, FS_IOC_GETVERSION [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] ioctl(4, FS_IOC_GETVERSION [pid 5010] <... futex resumed>) = 0 [pid 5009] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5008] +++ exited with 0 +++ [pid 5007] <... futex resumed>) = 0 [pid 5006] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5015] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5014] ioctl(4, FS_IOC_GETVERSION [pid 5013] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5010] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5008, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5000] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5015] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5013] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5018] <... mount resumed>) = 0 [pid 5015] <... futex resumed>) = 0 [pid 5014] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... futex resumed>) = 1 [pid 5010] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5018] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5015] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5014] <... futex resumed>) = 1 [pid 5013] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5010] <... futex resumed>) = 0 [pid 5009] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] <... futex resumed>) = 0 [pid 5000] lstat("./0/binderfs", [pid 5015] <... openat resumed>) = 5 [pid 5014] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] <... openat resumed>) = 5 [pid 5010] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... futex resumed>) = 0 [pid 5007] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5015] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... futex resumed>) = 0 [pid 5000] unlink("./0/binderfs" [pid 5015] <... futex resumed>) = 0 [pid 5014] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5013] <... futex resumed>) = 0 [pid 5010] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... unlink resumed>) = 0 [pid 5015] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5014] <... openat resumed>) = 5 [pid 5013] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5010] <... futex resumed>) = 0 [pid 5009] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5018] <... openat resumed>) = 3 [pid 5015] <... mmap resumed>) = 0x20000000 [pid 5014] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] <... mmap resumed>) = 0x20000000 [pid 5010] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5009] <... futex resumed>) = 0 [pid 5018] chdir("./file0" [pid 5015] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 1 [pid 5013] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5009] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5007] <... futex resumed>) = 0 [pid 5018] <... chdir resumed>) = 0 [pid 5015] <... futex resumed>) = 0 [pid 5014] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5013] <... futex resumed>) = 0 [pid 5010] exit_group(0 [pid 5009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5007] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] ioctl(4, LOOP_CLR_FD [pid 5014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5013] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5010] <... exit_group resumed>) = ? [pid 5009] exit_group(0 [pid 5007] <... futex resumed>) = 0 [pid 5018] <... ioctl resumed>) = 0 [pid 5015] +++ exited with 0 +++ [pid 5014] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5010] +++ exited with 0 +++ [ 41.695784][ T5018] REISERFS (device loop3): Using r5 hash to sort names [ 41.721804][ T5018] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5018] close(4 [pid 5014] <... mmap resumed>) = 0x20000000 [pid 5013] <... futex resumed>) = ? [pid 5009] <... exit_group resumed>) = ? [pid 5007] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5018] <... close resumed>) = 0 [pid 5014] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5013] +++ exited with 0 +++ [pid 5018] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5014] <... futex resumed>) = 0 [pid 5018] <... futex resumed>) = 1 [pid 5014] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5018] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... futex resumed>) = 0 [pid 5009] +++ exited with 0 +++ [pid 5007] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5007] exit_group(0 [pid 5011] <... futex resumed>) = 1 [pid 5007] <... exit_group resumed>) = ? [pid 5014] <... futex resumed>) = ? [pid 5011] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5014] +++ exited with 0 +++ [pid 5005] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5018] <... futex resumed>) = 0 [pid 5018] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5018] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5018] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5007] +++ exited with 0 +++ [pid 5011] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5011] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5011] <... futex resumed>) = 1 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5018] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5002] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(3, [pid 5003] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5018] ioctl(4, FS_IOC_GETVERSION [pid 5005] getdents64(3, [pid 5003] fstat(3, [pid 5002] <... openat resumed>) = 3 [pid 5018] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5005] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] fstat(3, [pid 5005] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] getdents64(3, [pid 5018] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5018] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5005] lstat("./0/binderfs", [pid 5002] getdents64(3, [pid 5011] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5011] <... futex resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5011] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] unlink("./0/binderfs" [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5018] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5005] <... unlink resumed>) = 0 [pid 5003] lstat("./0/binderfs", [pid 5002] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5018] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5018] <... futex resumed>) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5003] unlink("./0/binderfs" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5018] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5018] <... futex resumed>) = 0 [pid 5011] <... futex resumed>) = 1 [pid 5002] lstat("./0/binderfs", [pid 5018] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5011] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... unlink resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5018] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5018] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] unlink("./0/binderfs" [pid 5011] exit_group(0 [pid 5002] <... unlink resumed>) = 0 [pid 5018] <... futex resumed>) = ? [pid 5011] <... exit_group resumed>) = ? [pid 5018] +++ exited with 0 +++ [pid 5011] +++ exited with 0 +++ [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5011, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, [pid 5006] <... umount2 resumed>) = 0 [pid 5006] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./0/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./0") = 0 [pid 5006] mkdir("./1", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5026 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, ./strace-static-x86_64: Process 5026 attached 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./0/binderfs") = 0 [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5026] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5026] chdir("./1") = 0 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setpgid(0, 0) = 0 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1000", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5026] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5026] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5026] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5027], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5027 [pid 5026] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5026] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5027 attached [pid 5027] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5027] memfd_create("syzkaller", 0) = 3 [pid 5027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5003] <... umount2 resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5003] fstat(4, [pid 5000] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./0/file0", [pid 5003] getdents64(4, [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] getdents64(4, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4 [pid 5000] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 5003] rmdir("./0/file0") = 0 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./0/file0" [pid 5003] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5000] <... rmdir resumed>) = 0 [pid 5003] rmdir("./0") = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 5003] mkdir("./1", 0777 [pid 5000] <... close resumed>) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5000] rmdir("./0") = 0 [pid 5000] mkdir("./1", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5030 [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5029 ./strace-static-x86_64: Process 5030 attached [pid 5030] set_robust_list(0x555555cac5e0, 24./strace-static-x86_64: Process 5029 attached [pid 5029] set_robust_list(0x555555cac5e0, 24 [pid 5030] <... set_robust_list resumed>) = 0 [pid 5030] chdir("./1" [pid 5029] <... set_robust_list resumed>) = 0 [pid 5029] chdir("./1" [pid 5030] <... chdir resumed>) = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5030] setpgid(0, 0 [pid 5029] <... chdir resumed>) = 0 [pid 5030] <... setpgid resumed>) = 0 [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5029] <... prctl resumed>) = 0 [pid 5029] setpgid(0, 0) = 0 [pid 5030] <... openat resumed>) = 3 [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5030] write(3, "1000", 4 [pid 5029] <... openat resumed>) = 3 [pid 5027] 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 5030] <... write resumed>) = 4 [pid 5029] write(3, "1000", 4 [pid 5030] close(3 [pid 5029] <... write resumed>) = 4 [pid 5030] <... close resumed>) = 0 [pid 5029] close(3 [pid 5030] symlink("/dev/binderfs", "./binderfs" [pid 5029] <... close resumed>) = 0 [pid 5030] <... symlink resumed>) = 0 [pid 5029] symlink("/dev/binderfs", "./binderfs" [pid 5030] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... symlink resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5030] <... futex resumed>) = 0 [pid 5029] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5029] <... futex resumed>) = 0 [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5029] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5030] <... mprotect resumed>) = 0 [pid 5029] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5005] lstat("./0/file0", [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5029] <... mprotect resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5029] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] lstat("./0/file0", [pid 5030] <... clone resumed>, parent_tid=[5031], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5031 [pid 5005] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5030] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... clone resumed>, parent_tid=[5032], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5032 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5030] <... futex resumed>) = 0 [pid 5029] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5030] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5029] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5029] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... openat resumed>) = 4 [pid 5004] lstat("./0/file0", [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(4, [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... openat resumed>) = 4 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] fstat(4, [pid 5005] getdents64(4, [pid 5004] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5032 attached [pid 5005] close(4 [pid 5004] <... openat resumed>) = 4 [pid 5002] getdents64(4, [pid 5005] <... close resumed>) = 0 [pid 5004] fstat(4, [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] rmdir("./0/file0" [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, [pid 5032] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5032] memfd_create("syzkaller", 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(4, [pid 5032] <... memfd_create resumed>) = 3 [pid 5005] getdents64(3, [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] close(4 [pid 5032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] getdents64(4, [pid 5002] <... close resumed>) = 0 [pid 5032] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5005] close(3 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] rmdir("./0/file0" [pid 5005] <... close resumed>) = 0 [pid 5004] close(4 [pid 5002] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5031 attached [pid 5005] rmdir("./0" [pid 5004] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 5005] <... rmdir resumed>) = 0 [pid 5004] rmdir("./0/file0" [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5005] mkdir("./1", 0777 [pid 5002] close(3 [pid 5031] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5004] getdents64(3, [pid 5002] <... close resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5002] rmdir("./0" [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5004] close(3 [pid 5005] <... openat resumed>) = 3 [pid 5004] <... close resumed>) = 0 [pid 5002] mkdir("./1", 0777 [pid 5031] <... set_robust_list resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] rmdir("./0") = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5004] mkdir("./1", 0777 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5004] <... mkdir resumed>) = 0 [pid 5005] close(3 [pid 5002] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 3 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5002] close(3) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5033 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5033 attached [pid 5033] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5033] chdir("./1" [pid 5031] memfd_create("syzkaller", 0 [pid 5004] close(3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5033] <... chdir resumed>) = 0 [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5004] <... close resumed>) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5034 [pid 5033] <... prctl resumed>) = 0 [pid 5033] setpgid(0, 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] <... memfd_create resumed>) = 3 [pid 5033] <... setpgid resumed>) = 0 [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5035 [pid 5031] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5033] <... openat resumed>) = 3 [pid 5033] write(3, "1000", 4) = 4 [pid 5033] close(3) = 0 [pid 5033] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5033] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5033] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5032] 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 5027] <... write resumed>) = 4194304 ./strace-static-x86_64: Process 5035 attached ./strace-static-x86_64: Process 5034 attached [pid 5033] <... mprotect resumed>) = 0 [pid 5035] set_robust_list(0x555555cac5e0, 24 [pid 5034] set_robust_list(0x555555cac5e0, 24 [pid 5033] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5035] <... set_robust_list resumed>) = 0 [pid 5034] <... set_robust_list resumed>) = 0 [pid 5027] munmap(0x7f0cd45eb000, 4194304 [pid 5035] chdir("./1" [pid 5033] <... clone resumed>, parent_tid=[5036], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5036 [pid 5034] chdir("./1" [pid 5035] <... chdir resumed>) = 0 [pid 5033] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] <... futex resumed>) = 0 [pid 5034] <... chdir resumed>) = 0 [pid 5035] <... prctl resumed>) = 0 [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5035] setpgid(0, 0 [pid 5034] <... prctl resumed>) = 0 [pid 5035] <... setpgid resumed>) = 0 [pid 5034] setpgid(0, 0 [pid 5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5034] <... setpgid resumed>) = 0 [pid 5035] <... openat resumed>) = 3 [pid 5035] write(3, "1000", 4./strace-static-x86_64: Process 5036 attached ) = 4 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5036] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5035] close(3 [pid 5034] <... openat resumed>) = 3 [pid 5036] <... set_robust_list resumed>) = 0 [pid 5035] <... close resumed>) = 0 [pid 5034] write(3, "1000", 4 [pid 5036] memfd_create("syzkaller", 0 [pid 5035] symlink("/dev/binderfs", "./binderfs" [pid 5034] <... write resumed>) = 4 [pid 5036] <... memfd_create resumed>) = 3 [pid 5035] <... symlink resumed>) = 0 [pid 5034] close(3 [pid 5027] <... munmap resumed>) = 0 [pid 5036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5035] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] <... close resumed>) = 0 [pid 5036] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5035] <... futex resumed>) = 0 [pid 5034] symlink("/dev/binderfs", "./binderfs" [pid 5035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5027] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5035] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5034] <... symlink resumed>) = 0 [pid 5035] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5034] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... openat resumed>) = 4 [pid 5035] <... mprotect resumed>) = 0 [pid 5034] <... futex resumed>) = 0 [pid 5031] 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 5027] ioctl(4, LOOP_SET_FD, 3 [pid 5035] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5034] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5035] <... clone resumed>, parent_tid=[5037], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5037 [pid 5035] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5035] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5037 attached [pid 5037] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5037] memfd_create("syzkaller", 0) = 3 [pid 5037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5034] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5027] <... ioctl resumed>) = 0 [pid 5034] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5027] close(3 [pid 5034] <... mprotect resumed>) = 0 [pid 5027] <... close resumed>) = 0 [pid 5027] mkdir("./file0", 0777 [pid 5034] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5027] <... mkdir resumed>) = 0 [pid 5027] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5034] <... clone resumed>, parent_tid=[5038], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5038 [pid 5034] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5034] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5038 attached [pid 5038] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5038] memfd_create("syzkaller", 0) = 3 [pid 5038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [ 42.067249][ T5027] loop5: detected capacity change from 0 to 8192 [pid 5036] 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 5032] <... write resumed>) = 4194304 [pid 5032] munmap(0x7f0cd45eb000, 4194304 [pid 5031] <... write resumed>) = 4194304 [pid 5031] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5031] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5032] <... munmap resumed>) = 0 [pid 5031] <... openat resumed>) = 4 [ 42.105616][ T5027] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5031] ioctl(4, LOOP_SET_FD, 3 [pid 5037] 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 5032] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5032] ioctl(4, LOOP_SET_FD, 3 [pid 5031] <... ioctl resumed>) = 0 [pid 5031] close(3) = 0 [pid 5031] mkdir("./file0", 0777) = 0 [pid 5031] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5036] <... write resumed>) = 4194304 [pid 5032] <... ioctl resumed>) = 0 [pid 5032] close(3) = 0 [ 42.137968][ T5031] loop0: detected capacity change from 0 to 8192 [ 42.147017][ T5032] loop2: detected capacity change from 0 to 8192 [ 42.149235][ T5027] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 42.163751][ T5031] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 42.177033][ T5031] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5032] mkdir("./file0", 0777) = 0 [pid 5038] 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 5032] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [ 42.187577][ T5027] REISERFS (device loop5): using ordered data mode [ 42.195349][ T5027] reiserfs: using flush barriers [ 42.201569][ T5031] REISERFS (device loop0): using ordered data mode [ 42.209461][ T5032] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 42.209823][ T5031] reiserfs: using flush barriers [pid 5036] munmap(0x7f0cd45eb000, 4194304 [pid 5037] <... write resumed>) = 4194304 [pid 5036] <... munmap resumed>) = 0 [pid 5038] <... write resumed>) = 4194304 [pid 5037] munmap(0x7f0cd45eb000, 4194304 [pid 5036] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5038] munmap(0x7f0cd45eb000, 4194304 [pid 5037] <... munmap resumed>) = 0 [pid 5036] <... openat resumed>) = 4 [ 42.227625][ T5027] 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 [ 42.236970][ T5032] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 42.245043][ T5027] REISERFS (device loop5): checking transaction log (loop5) [ 42.260158][ T5032] REISERFS (device loop2): using ordered data mode [ 42.260559][ T5031] 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 [ 42.268497][ T5032] reiserfs: using flush barriers [pid 5038] <... munmap resumed>) = 0 [pid 5037] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5036] ioctl(4, LOOP_SET_FD, 3 [pid 5038] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5038] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5037] <... openat resumed>) = 4 [pid 5037] ioctl(4, LOOP_SET_FD, 3 [pid 5038] close(3 [pid 5036] <... ioctl resumed>) = 0 [ 42.286063][ T5031] REISERFS (device loop0): checking transaction log (loop0) [ 42.290816][ T5032] 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 [ 42.302339][ T5038] loop1: detected capacity change from 0 to 8192 [ 42.311497][ T5036] loop4: detected capacity change from 0 to 8192 [ 42.325262][ T5037] loop3: detected capacity change from 0 to 8192 [ 42.331045][ T5032] REISERFS (device loop2): checking transaction log (loop2) [pid 5036] close(3) = 0 [pid 5036] mkdir("./file0", 0777) = 0 [pid 5036] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5037] <... ioctl resumed>) = 0 [pid 5037] close(3) = 0 [pid 5037] mkdir("./file0", 0777) = 0 [pid 5037] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5038] <... close resumed>) = 0 [pid 5038] mkdir("./file0", 0777) = 0 [ 42.344285][ T5036] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 42.359901][ T5037] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 42.374817][ T5036] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 42.375164][ T5038] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 42.384179][ T5037] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 42.406855][ T5036] REISERFS (device loop4): using ordered data mode [ 42.414150][ T5036] reiserfs: using flush barriers [ 42.420069][ T5037] REISERFS (device loop3): using ordered data mode [ 42.426710][ T5037] reiserfs: using flush barriers [ 42.432304][ T5038] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 42.441474][ T5037] 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 [ 42.443198][ T5036] 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 [ 42.468965][ T5037] REISERFS (device loop3): checking transaction log (loop3) [ 42.481145][ T5038] REISERFS (device loop1): using ordered data mode [ 42.487406][ T5027] REISERFS (device loop5): Using r5 hash to sort names [pid 5038] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5027] <... mount resumed>) = 0 [pid 5027] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5027] chdir("./file0") = 0 [pid 5027] ioctl(4, LOOP_CLR_FD) = 0 [pid 5027] close(4) = 0 [pid 5027] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... futex resumed>) = 0 [pid 5027] <... futex resumed>) = 1 [pid 5026] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5026] <... futex resumed>) = 0 [pid 5026] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... openat resumed>) = 4 [ 42.488672][ T5031] REISERFS (device loop0): Using r5 hash to sort names [ 42.495144][ T5027] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 42.515778][ T5032] REISERFS (device loop2): Using r5 hash to sort names [ 42.523122][ T5038] reiserfs: using flush barriers [ 42.527005][ T5036] REISERFS (device loop4): checking transaction log (loop4) [pid 5027] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... futex resumed>) = 0 [pid 5027] <... futex resumed>) = 1 [pid 5026] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] ioctl(4, FS_IOC_GETVERSION [pid 5026] <... futex resumed>) = 0 [pid 5026] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5027] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5026] <... futex resumed>) = 0 [pid 5026] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... futex resumed>) = 1 [pid 5026] <... futex resumed>) = 0 [pid 5026] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5027] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5026] <... futex resumed>) = 0 [pid 5027] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5026] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5026] <... futex resumed>) = 0 [pid 5027] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5026] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5027] <... mmap resumed>) = 0x20000000 [pid 5027] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5026] <... futex resumed>) = 0 [pid 5027] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5026] exit_group(0 [pid 5027] <... futex resumed>) = ? [pid 5026] <... exit_group resumed>) = ? [pid 5027] +++ exited with 0 +++ [pid 5026] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5026, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=17 /* 0.17 s */} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5006] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./1/binderfs") = 0 [pid 5006] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5031] <... mount resumed>) = 0 [pid 5031] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5031] chdir("./file0") = 0 [pid 5031] ioctl(4, LOOP_CLR_FD) = 0 [pid 5032] <... mount resumed>) = 0 [pid 5031] close(4) = 0 [ 42.539120][ T5031] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 42.556473][ T5032] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 42.568593][ T5038] 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 [pid 5032] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5031] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5030] <... futex resumed>) = 0 [pid 5031] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5030] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... openat resumed>) = 3 [pid 5031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... futex resumed>) = 0 [pid 5031] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5032] chdir("./file0" [pid 5030] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] <... chdir resumed>) = 0 [pid 5031] <... openat resumed>) = 4 [pid 5032] ioctl(4, LOOP_CLR_FD [pid 5031] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... ioctl resumed>) = 0 [pid 5031] <... futex resumed>) = 1 [pid 5032] close(4 [pid 5030] <... futex resumed>) = 0 [pid 5031] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5032] <... close resumed>) = 0 [pid 5032] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] <... futex resumed>) = 1 [pid 5031] ioctl(4, FS_IOC_GETVERSION [pid 5030] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = 0 [pid 5032] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5031] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5031] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5031] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... futex resumed>) = 0 [pid 5032] <... openat resumed>) = 4 [pid 5031] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5030] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... openat resumed>) = 5 [pid 5030] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... futex resumed>) = 0 [pid 5031] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] ioctl(4, FS_IOC_GETVERSION [pid 5031] <... futex resumed>) = 0 [pid 5030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5029] <... futex resumed>) = 0 [pid 5032] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5031] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5030] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5030] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... futex resumed>) = 0 [pid 5031] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5030] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5029] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5031] <... mmap resumed>) = 0x20000000 [pid 5029] <... futex resumed>) = 0 [pid 5032] <... openat resumed>) = 5 [pid 5031] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5031] <... futex resumed>) = 1 [pid 5030] <... futex resumed>) = 0 [pid 5029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5032] <... futex resumed>) = 0 [ 42.606214][ T5038] REISERFS (device loop1): checking transaction log (loop1) [pid 5031] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5030] exit_group(0 [pid 5029] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5032] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5031] <... futex resumed>) = ? [pid 5030] <... exit_group resumed>) = ? [pid 5029] <... futex resumed>) = 0 [pid 5032] <... mmap resumed>) = 0x20000000 [pid 5031] +++ exited with 0 +++ [pid 5030] +++ exited with 0 +++ [pid 5029] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5032] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5030, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5032] <... futex resumed>) = 0 [pid 5029] exit_group(0) = ? [pid 5032] +++ exited with 0 +++ [pid 5029] +++ exited with 0 +++ [pid 5000] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5029, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5000] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... restart_syscall resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(3, [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... openat resumed>) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] fstat(3, [pid 5000] lstat("./1/binderfs", [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] getdents64(3, [pid 5000] unlink("./1/binderfs" [pid 5003] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] <... unlink resumed>) = 0 [pid 5003] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./1/binderfs") = 0 [ 42.653551][ T5037] REISERFS (device loop3): Using r5 hash to sort names [ 42.675637][ T5037] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5003] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = 0 [pid 5037] <... mount resumed>) = 0 [pid 5036] <... mount resumed>) = 0 [ 42.709375][ T5036] REISERFS (device loop4): Using r5 hash to sort names [ 42.716943][ T5036] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5006] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5036] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5037] chdir("./file0") = 0 [pid 5037] ioctl(4, LOOP_CLR_FD) = 0 [pid 5037] close(4) = 0 [pid 5006] lstat("./1/file0", [pid 5036] <... openat resumed>) = 3 [pid 5037] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5035] <... futex resumed>) = 0 [pid 5035] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5035] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] <... futex resumed>) = 1 [pid 5036] chdir("./file0" [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5037] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5006] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5036] <... chdir resumed>) = 0 [pid 5036] ioctl(4, LOOP_CLR_FD [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5036] <... ioctl resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5037] <... openat resumed>) = 4 [pid 5036] close(4 [pid 5006] <... openat resumed>) = 4 [pid 5037] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] fstat(4, [pid 5036] <... close resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5035] <... futex resumed>) = 0 [pid 5035] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5035] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5036] <... futex resumed>) = 1 [pid 5033] <... futex resumed>) = 0 [pid 5036] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5033] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(4, [pid 5036] <... openat resumed>) = 4 [pid 5033] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5036] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] close(4 [pid 5033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... close resumed>) = 0 [pid 5036] <... futex resumed>) = 0 [pid 5033] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./1/file0" [pid 5037] <... futex resumed>) = 1 [pid 5036] ioctl(4, FS_IOC_GETVERSION [pid 5033] <... futex resumed>) = 0 [pid 5037] ioctl(4, FS_IOC_GETVERSION [pid 5033] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5006] <... rmdir resumed>) = 0 [pid 5036] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5006] getdents64(3, [pid 5036] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5037] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] <... futex resumed>) = 1 [pid 5033] <... futex resumed>) = 0 [pid 5037] <... futex resumed>) = 1 [pid 5036] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5035] <... futex resumed>) = 0 [pid 5033] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] close(3 [pid 5037] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5035] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5033] <... futex resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5037] <... openat resumed>) = 5 [pid 5036] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5035] <... futex resumed>) = 0 [pid 5033] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5035] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] <... futex resumed>) = 0 [pid 5035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5036] <... openat resumed>) = 5 [pid 5035] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./1" [pid 5037] <... mmap resumed>) = 0x20000000 [pid 5035] <... futex resumed>) = 0 [pid 5037] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5035] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5037] <... futex resumed>) = 0 [pid 5035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5037] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5035] exit_group(0 [pid 5037] <... futex resumed>) = ? [pid 5035] <... exit_group resumed>) = ? [pid 5037] +++ exited with 0 +++ [pid 5035] +++ exited with 0 +++ [pid 5006] <... rmdir resumed>) = 0 [pid 5036] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] mkdir("./2", 0777 [pid 5036] <... futex resumed>) = 1 [pid 5033] <... futex resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5035, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5033] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5036] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5033] <... futex resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5004] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5033] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5036] <... mmap resumed>) = 0x20000000 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5036] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... openat resumed>) = 3 [pid 5036] <... futex resumed>) = 1 [pid 5033] <... futex resumed>) = 0 [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5004] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5036] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5033] exit_group(0 [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5036] <... futex resumed>) = ? [pid 5033] <... exit_group resumed>) = ? [pid 5006] close(3 [pid 5004] <... openat resumed>) = 3 [pid 5036] +++ exited with 0 +++ [pid 5033] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5033, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5006] <... close resumed>) = 0 [pid 5004] fstat(3, [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5045 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(3, [pid 5005] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 ./strace-static-x86_64: Process 5045 attached [pid 5005] fstat(3, [pid 5045] set_robust_list(0x555555cac5e0, 24 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] <... set_robust_list resumed>) = 0 [pid 5038] <... mount resumed>) = 0 [pid 5005] getdents64(3, [pid 5003] <... umount2 resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] chdir("./2" [pid 5038] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] unlink("./1/binderfs" [pid 5003] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] <... chdir resumed>) = 0 [pid 5038] <... openat resumed>) = 3 [pid 5005] <... unlink resumed>) = 0 [pid 5004] lstat("./1/binderfs", [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5038] chdir("./file0" [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] <... prctl resumed>) = 0 [pid 5038] <... chdir resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] lstat("./1/file0", [pid 5045] setpgid(0, 0 [pid 5038] ioctl(4, LOOP_CLR_FD [pid 5004] unlink("./1/binderfs" [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5045] <... setpgid resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5038] <... ioctl resumed>) = 0 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5038] close(4 [pid 5004] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5045] <... openat resumed>) = 3 [pid 5038] <... close resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5038] <... futex resumed>) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 4 [pid 5045] write(3, "1000", 4) = 4 [pid 5038] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [ 42.756258][ T5038] REISERFS (device loop1): Using r5 hash to sort names [ 42.776692][ T5038] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5034] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] fstat(4, [pid 5045] close(3) = 0 [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... futex resumed>) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5045] symlink("/dev/binderfs", "./binderfs" [pid 5038] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5034] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] getdents64(4, [pid 5000] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] <... symlink resumed>) = 0 [pid 5038] <... openat resumed>) = 4 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5038] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] getdents64(4, [pid 5000] lstat("./1/file0", [pid 5045] <... futex resumed>) = 0 [pid 5045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5038] <... futex resumed>) = 1 [pid 5034] <... futex resumed>) = 0 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5045] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5038] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] close(4 [pid 5000] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5045] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] <... futex resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5045] <... mprotect resumed>) = 0 [pid 5038] ioctl(4, FS_IOC_GETVERSION [pid 5034] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] rmdir("./1/file0" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5038] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5045] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5038] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... rmdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5038] <... futex resumed>) = 1 [pid 5038] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] <... futex resumed>) = 0 [pid 5003] getdents64(3, [pid 5045] <... clone resumed>, parent_tid=[5046], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5046 [pid 5045] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5038] <... futex resumed>) = 0 [pid 5034] <... futex resumed>) = 1 [pid 5038] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5034] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] close(3 [pid 5045] <... futex resumed>) = 0 [pid 5045] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5038] <... openat resumed>) = 5 [pid 5003] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 5038] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] rmdir("./1" [pid 5000] fstat(4, ./strace-static-x86_64: Process 5046 attached [pid 5046] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5046] memfd_create("syzkaller", 0 [pid 5038] <... futex resumed>) = 1 [pid 5046] <... memfd_create resumed>) = 3 [pid 5046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5038] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5034] <... futex resumed>) = 0 [pid 5046] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5034] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] mkdir("./2", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5038] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5034] <... futex resumed>) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5000] getdents64(4, [pid 5038] <... mmap resumed>) = 0x20000000 [pid 5034] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5038] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... openat resumed>) = 3 [pid 5000] getdents64(4, [pid 5038] <... futex resumed>) = 0 [pid 5034] exit_group(0 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5034] <... exit_group resumed>) = ? [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] close(4) = 0 [pid 5003] close(3 [pid 5038] +++ exited with 0 +++ [pid 5034] +++ exited with 0 +++ [pid 5000] rmdir("./1/file0" [pid 5003] <... close resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5034, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- [pid 5002] umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./1/binderfs") = 0 [pid 5002] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... rmdir resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] getdents64(3, [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5047 [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./1") = 0 [pid 5000] mkdir("./2", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5048 ./strace-static-x86_64: Process 5047 attached [pid 5047] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5047] chdir("./2") = 0 [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5047] setpgid(0, 0) = 0 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5048 attached ) = 3 [pid 5048] set_robust_list(0x555555cac5e0, 24 [pid 5047] write(3, "1000", 4) = 4 [pid 5048] <... set_robust_list resumed>) = 0 [pid 5048] chdir("./2" [pid 5047] close(3 [pid 5048] <... chdir resumed>) = 0 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5047] <... close resumed>) = 0 [pid 5048] setpgid(0, 0) = 0 [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5048] write(3, "1000", 4) = 4 [pid 5048] close(3 [pid 5047] symlink("/dev/binderfs", "./binderfs" [pid 5048] <... close resumed>) = 0 [pid 5048] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5048] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5048] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5048] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5049], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5049 [pid 5048] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5047] <... symlink resumed>) = 0 [pid 5047] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5047] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5047] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5050], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5050 [pid 5047] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5047] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5050 attached ./strace-static-x86_64: Process 5049 attached [pid 5050] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5046] 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 5050] <... set_robust_list resumed>) = 0 [pid 5049] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5050] memfd_create("syzkaller", 0 [pid 5049] <... set_robust_list resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5050] <... memfd_create resumed>) = 3 [pid 5049] memfd_create("syzkaller", 0 [pid 5050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5049] <... memfd_create resumed>) = 3 [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5050] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./1/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./1") = 0 [pid 5004] mkdir("./2", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5049] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5005] lstat("./1/file0", [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5051 ./strace-static-x86_64: Process 5051 attached [pid 5051] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5051] chdir("./2") = 0 [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5051] setpgid(0, 0) = 0 [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5051] write(3, "1000", 4) = 4 [pid 5051] close(3) = 0 [pid 5051] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5051] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5051] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5005] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5051] <... mprotect resumed>) = 0 [pid 5005] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5051] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./1/file0") = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./1") = 0 [pid 5005] mkdir("./2", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5051] <... clone resumed>, parent_tid=[5052], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5052 [pid 5051] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5051] <... futex resumed>) = 0 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5051] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5053 ./strace-static-x86_64: Process 5053 attached ./strace-static-x86_64: Process 5052 attached [pid 5052] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5052] memfd_create("syzkaller", 0 [pid 5053] set_robust_list(0x555555cac5e0, 24 [pid 5052] <... memfd_create resumed>) = 3 [pid 5053] <... set_robust_list resumed>) = 0 [pid 5052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5053] chdir("./2") = 0 [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5052] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5053] setpgid(0, 0) = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5053] write(3, "1000", 4) = 4 [pid 5053] close(3) = 0 [pid 5053] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5053] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5046] <... write resumed>) = 4194304 [pid 5046] munmap(0x7f0cd45eb000, 4194304 [pid 5053] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5053] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5053] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5054], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5054 [pid 5053] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5053] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5046] <... munmap resumed>) = 0 [pid 5046] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5046] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5002] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5054 attached [pid 5054] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5054] memfd_create("syzkaller", 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... memfd_create resumed>) = 3 [pid 5054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5002] lstat("./1/file0", [pid 5052] 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 5050] 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 5049] 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 5046] close(3 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5046] <... close resumed>) = 0 [pid 5002] <... openat resumed>) = 4 [pid 5046] mkdir("./file0", 0777 [pid 5002] fstat(4, [pid 5046] <... mkdir resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, [pid 5046] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./1/file0") = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./1") = 0 [pid 5002] mkdir("./2", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [ 43.026752][ T5046] loop5: detected capacity change from 0 to 8192 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5056 ./strace-static-x86_64: Process 5056 attached [pid 5056] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5056] chdir("./2") = 0 [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] setpgid(0, 0) = 0 [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1000", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5052] <... write resumed>) = 4194304 [pid 5056] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5052] munmap(0x7f0cd45eb000, 4194304 [pid 5056] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5056] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5057], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5057 [pid 5056] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5056] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5052] <... munmap resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5052] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5052] close(3) = 0 [pid 5052] mkdir("./file0", 0777) = 0 [pid 5052] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, ""./strace-static-x86_64: Process 5057 attached [pid 5050] <... write resumed>) = 4194304 [pid 5057] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [ 43.094527][ T5046] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.103957][ T5052] loop3: detected capacity change from 0 to 8192 [ 43.118979][ T5046] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 43.129780][ T5052] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5057] memfd_create("syzkaller", 0 [pid 5054] 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 5050] munmap(0x7f0cd45eb000, 4194304 [pid 5049] <... write resumed>) = 4194304 [pid 5049] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5049] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5049] ioctl(4, LOOP_SET_FD, 3 [pid 5050] <... munmap resumed>) = 0 [pid 5050] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5057] <... memfd_create resumed>) = 3 [pid 5049] <... ioctl resumed>) = 0 [pid 5049] close(3) = 0 [pid 5057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5049] mkdir("./file0", 0777 [pid 5057] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5049] <... mkdir resumed>) = 0 [pid 5049] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5050] <... openat resumed>) = 4 [pid 5050] ioctl(4, LOOP_SET_FD, 3) = 0 [ 43.130349][ T5046] REISERFS (device loop5): using ordered data mode [ 43.143354][ T5052] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 43.152196][ T5049] loop0: detected capacity change from 0 to 8192 [ 43.169037][ T5046] reiserfs: using flush barriers [ 43.175487][ T5050] loop2: detected capacity change from 0 to 8192 [ 43.175924][ T5052] REISERFS (device loop3): using ordered data mode [pid 5057] 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 5054] <... write resumed>) = 4194304 [pid 5050] close(3 [pid 5054] munmap(0x7f0cd45eb000, 4194304 [pid 5050] <... close resumed>) = 0 [ 43.188902][ T5049] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.201900][ T5046] 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 [ 43.204686][ T5052] reiserfs: using flush barriers [ 43.218387][ T5049] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 43.232681][ T5046] REISERFS (device loop5): checking transaction log (loop5) [pid 5054] <... munmap resumed>) = 0 [pid 5050] mkdir("./file0", 0777 [pid 5054] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5050] <... mkdir resumed>) = 0 [pid 5054] <... openat resumed>) = 4 [pid 5050] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [ 43.234971][ T5052] 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 [ 43.242954][ T5049] REISERFS (device loop0): using ordered data mode [ 43.268215][ T5054] loop4: detected capacity change from 0 to 8192 [ 43.269108][ T5049] reiserfs: using flush barriers [ 43.275288][ T5050] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5054] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5054] close(3) = 0 [pid 5054] mkdir("./file0", 0777) = 0 [pid 5054] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5057] <... write resumed>) = 4194304 [ 43.281032][ T5052] REISERFS (device loop3): checking transaction log (loop3) [ 43.311395][ T5049] 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 [ 43.313222][ T5054] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5057] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5057] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 43.330772][ T5049] REISERFS (device loop0): checking transaction log (loop0) [ 43.355845][ T5050] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 43.365914][ T5046] REISERFS (device loop5): Using r5 hash to sort names [ 43.370645][ T5054] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 43.373975][ T5046] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5057] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5046] <... mount resumed>) = 0 [ 43.381931][ T5054] REISERFS (device loop4): using ordered data mode [ 43.396184][ T5057] loop1: detected capacity change from 0 to 8192 [ 43.397760][ T5054] reiserfs: using flush barriers [ 43.410051][ T5050] REISERFS (device loop2): using ordered data mode [ 43.416602][ T5050] reiserfs: using flush barriers [ 43.422569][ T5054] 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 [pid 5057] close(3 [pid 5046] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5057] <... close resumed>) = 0 [pid 5046] <... openat resumed>) = 3 [pid 5057] mkdir("./file0", 0777 [pid 5046] chdir("./file0" [pid 5057] <... mkdir resumed>) = 0 [pid 5046] <... chdir resumed>) = 0 [pid 5057] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5046] ioctl(4, LOOP_CLR_FD) = 0 [pid 5046] close(4) = 0 [pid 5046] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5045] <... futex resumed>) = 0 [pid 5046] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5045] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5045] <... futex resumed>) = 0 [ 43.427952][ T5050] 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 [ 43.439094][ T5054] REISERFS (device loop4): checking transaction log (loop4) [ 43.483441][ T5050] REISERFS (device loop2): checking transaction log (loop2) [pid 5046] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5045] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] <... openat resumed>) = 4 [pid 5046] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5045] <... futex resumed>) = 0 [pid 5045] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5046] ioctl(4, FS_IOC_GETVERSION [pid 5045] <... futex resumed>) = 0 [pid 5045] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5046] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5045] <... futex resumed>) = 0 [pid 5045] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5045] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5046] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5045] <... futex resumed>) = 0 [pid 5045] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5045] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5046] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5046] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5045] <... futex resumed>) = 0 [pid 5045] exit_group(0) = ? [ 43.487390][ T5057] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 43.505815][ T5057] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 43.521069][ T5057] REISERFS (device loop1): using ordered data mode [ 43.529181][ T5057] reiserfs: using flush barriers [pid 5046] +++ exited with 0 +++ [pid 5045] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5045, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5006] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./2/binderfs") = 0 [pid 5006] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5052] <... mount resumed>) = 0 [pid 5052] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5052] chdir("./file0") = 0 [pid 5052] ioctl(4, LOOP_CLR_FD) = 0 [pid 5052] close(4) = 0 [pid 5052] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = 0 [pid 5051] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... futex resumed>) = 1 [pid 5052] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5052] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = 0 [pid 5051] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... futex resumed>) = 1 [pid 5052] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5052] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = 0 [pid 5051] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... futex resumed>) = 1 [pid 5052] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5052] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = 0 [pid 5051] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5051] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5052] <... futex resumed>) = 1 [pid 5052] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5052] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5051] <... futex resumed>) = 0 [pid 5051] exit_group(0) = ? [pid 5052] <... futex resumed>) = ? [pid 5052] +++ exited with 0 +++ [pid 5051] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5051, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5004] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./2/binderfs") = 0 [ 43.548954][ T5052] REISERFS (device loop3): Using r5 hash to sort names [ 43.556471][ T5057] 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 [ 43.562307][ T5052] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 43.576247][ T5057] REISERFS (device loop1): checking transaction log (loop1) [ 43.582701][ T5054] REISERFS (device loop4): Using r5 hash to sort names [pid 5004] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5049] <... mount resumed>) = 0 [pid 5049] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5049] chdir("./file0") = 0 [pid 5049] ioctl(4, LOOP_CLR_FD) = 0 [pid 5049] close(4) = 0 [pid 5049] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] <... futex resumed>) = 0 [pid 5048] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5048] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... futex resumed>) = 1 [pid 5049] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5049] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5048] <... futex resumed>) = 0 [pid 5048] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5049] ioctl(4, FS_IOC_GETVERSION [pid 5048] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5049] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5048] <... futex resumed>) = 0 [pid 5049] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5048] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... openat resumed>) = 5 [pid 5048] <... futex resumed>) = 0 [pid 5049] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... futex resumed>) = 0 [pid 5048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5049] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5048] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5049] <... mmap resumed>) = 0x20000000 [pid 5048] <... futex resumed>) = 0 [pid 5049] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5048] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5049] <... futex resumed>) = 0 [pid 5048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5049] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5048] exit_group(0 [pid 5049] <... futex resumed>) = ? [pid 5048] <... exit_group resumed>) = ? [pid 5049] +++ exited with 0 +++ [pid 5048] +++ exited with 0 +++ [pid 5054] <... mount resumed>) = 0 [pid 5054] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5054] chdir("./file0") = 0 [pid 5054] ioctl(4, LOOP_CLR_FD) = 0 [pid 5054] close(4) = 0 [pid 5054] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5053] <... futex resumed>) = 0 [pid 5053] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5048, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5053] <... futex resumed>) = 0 [pid 5053] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5000] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./2/binderfs", [pid 5054] <... openat resumed>) = 4 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./2/binderfs" [pid 5054] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... unlink resumed>) = 0 [pid 5054] <... futex resumed>) = 1 [pid 5054] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] <... futex resumed>) = 0 [pid 5000] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5053] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5054] <... futex resumed>) = 0 [pid 5054] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5054] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5054] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5053] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] <... futex resumed>) = 0 [pid 5053] <... futex resumed>) = 1 [pid 5053] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5054] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5053] <... futex resumed>) = 0 [pid 5053] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5054] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5053] <... futex resumed>) = 0 [pid 5054] <... mmap resumed>) = 0x20000000 [pid 5053] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5054] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5054] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5053] <... futex resumed>) = 0 [pid 5053] exit_group(0 [pid 5054] <... futex resumed>) = ? [pid 5053] <... exit_group resumed>) = ? [pid 5054] +++ exited with 0 +++ [pid 5053] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5053, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- [pid 5005] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./2/binderfs") = 0 [ 43.611258][ T5049] REISERFS (device loop0): Using r5 hash to sort names [ 43.624598][ T5049] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 43.648800][ T5054] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5005] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./2/file0") = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./2") = 0 [pid 5000] mkdir("./3", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = 0 [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5063 ./strace-static-x86_64: Process 5063 attached [pid 5063] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5063] chdir("./3") = 0 [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setpgid(0, 0) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5063] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5063] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [ 43.737534][ T5050] REISERFS (device loop2): Using r5 hash to sort names [ 43.744563][ T5050] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 43.773384][ T5057] REISERFS (device loop1): Using r5 hash to sort names [pid 5063] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5050] <... mount resumed>) = 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5063] <... mprotect resumed>) = 0 [pid 5050] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5063] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5050] <... openat resumed>) = 3 [pid 5050] chdir("./file0" [pid 5005] <... umount2 resumed>) = 0 [pid 5063] <... clone resumed>, parent_tid=[5064], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5064 [pid 5050] <... chdir resumed>) = 0 [pid 5005] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5064 attached [pid 5063] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5057] <... mount resumed>) = 0 [pid 5050] ioctl(4, LOOP_CLR_FD [pid 5006] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = 0 [pid 5064] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5063] <... futex resumed>) = 0 [pid 5057] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5050] <... ioctl resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./2/file0", [pid 5004] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... set_robust_list resumed>) = 0 [pid 5063] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5057] <... openat resumed>) = 3 [pid 5050] close(4 [pid 5006] lstat("./2/file0", [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] memfd_create("syzkaller", 0 [pid 5057] chdir("./file0" [pid 5050] <... close resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] lstat("./2/file0", [pid 5064] <... memfd_create resumed>) = 3 [pid 5057] <... chdir resumed>) = 0 [pid 5050] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5057] ioctl(4, LOOP_CLR_FD [pid 5050] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5057] <... ioctl resumed>) = 0 [pid 5050] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... openat resumed>) = 4 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5057] close(4 [pid 5050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5047] <... futex resumed>) = 0 [pid 5006] <... openat resumed>) = 4 [pid 5005] fstat(4, [pid 5004] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5057] <... close resumed>) = 0 [pid 5050] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5047] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] fstat(4, [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... openat resumed>) = 4 [pid 5057] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... openat resumed>) = 4 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, [pid 5004] fstat(4, [pid 5057] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(4, [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5057] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, [pid 5004] getdents64(4, [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(4, [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5057] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5056] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5047] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5004] getdents64(4, [pid 5057] <... openat resumed>) = 4 [pid 5050] ioctl(4, FS_IOC_GETVERSION [pid 5047] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] close(4 [pid 5005] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5057] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5006] <... close resumed>) = 0 [pid 5005] rmdir("./2/file0" [pid 5004] close(4 [pid 5057] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./2/file0" [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5057] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] getdents64(3, [pid 5004] rmdir("./2/file0" [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] getdents64(3, [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5057] ioctl(4, FS_IOC_GETVERSION [pid 5056] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5047] <... futex resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5004] getdents64(3, [pid 5057] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [ 43.803340][ T5057] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5050] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5047] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] close(3 [pid 5005] <... close resumed>) = 0 [pid 5004] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5057] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... openat resumed>) = 5 [pid 5006] <... close resumed>) = 0 [pid 5005] rmdir("./2" [pid 5004] close(3 [pid 5057] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] rmdir("./2" [pid 5005] <... rmdir resumed>) = 0 [pid 5004] <... close resumed>) = 0 [pid 5057] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5005] mkdir("./3", 0777 [pid 5004] rmdir("./2" [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] mkdir("./3", 0777 [pid 5005] <... mkdir resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5057] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5056] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5047] <... futex resumed>) = 0 [pid 5006] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] mkdir("./3", 0777 [pid 5057] <... openat resumed>) = 5 [pid 5050] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5047] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5005] <... openat resumed>) = 3 [pid 5004] <... mkdir resumed>) = 0 [pid 5057] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... mmap resumed>) = 0x20000000 [pid 5006] <... openat resumed>) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5057] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] <... openat resumed>) = 3 [pid 5064] 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 5057] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5050] <... futex resumed>) = 1 [pid 5047] <... futex resumed>) = 0 [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5056] <... futex resumed>) = 0 [pid 5050] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5047] exit_group(0 [pid 5006] close(3 [pid 5005] <... close resumed>) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5057] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5056] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5050] <... futex resumed>) = ? [pid 5047] <... exit_group resumed>) = ? [pid 5006] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] close(3 [pid 5057] <... mmap resumed>) = 0x20000000 [pid 5050] +++ exited with 0 +++ [pid 5047] +++ exited with 0 +++ [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... close resumed>) = 0 [pid 5057] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5065 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5047, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5057] <... futex resumed>) = 1 [pid 5056] <... futex resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5066 [pid 5057] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5056] exit_group(0 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5067 [pid 5057] <... futex resumed>) = ? [pid 5056] <... exit_group resumed>) = ? [pid 5057] +++ exited with 0 +++ [pid 5056] +++ exited with 0 +++ [pid 5003] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5056, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5003] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5003] <... openat resumed>) = 3 [pid 5003] fstat(3, [pid 5002] <... restart_syscall resumed>) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5067 attached [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5066 attached [pid 5067] set_robust_list(0x555555cac5e0, 24 [pid 5003] lstat("./2/binderfs", [pid 5067] <... set_robust_list resumed>) = 0 [pid 5066] set_robust_list(0x555555cac5e0, 24 [pid 5002] <... openat resumed>) = 3 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] chdir("./3" [pid 5066] <... set_robust_list resumed>) = 0 [pid 5002] fstat(3, [pid 5067] <... chdir resumed>) = 0 [pid 5066] chdir("./3" [pid 5003] unlink("./2/binderfs" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5066] <... chdir resumed>) = 0 [pid 5067] <... prctl resumed>) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] <... unlink resumed>) = 0 [pid 5002] getdents64(3, [pid 5067] setpgid(0, 0 [pid 5066] <... prctl resumed>) = 0 [pid 5003] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5067] <... setpgid resumed>) = 0 [pid 5066] setpgid(0, 0 [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5066] <... setpgid resumed>) = 0 [pid 5002] umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... openat resumed>) = 3 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] write(3, "1000", 4 [pid 5066] <... openat resumed>) = 3 [pid 5067] <... write resumed>) = 4 [pid 5066] write(3, "1000", 4 [pid 5067] close(3 [pid 5066] <... write resumed>) = 4 [pid 5067] <... close resumed>) = 0 [pid 5066] close(3 [pid 5067] symlink("/dev/binderfs", "./binderfs" [pid 5066] <... close resumed>) = 0 [pid 5002] lstat("./2/binderfs", [pid 5067] <... symlink resumed>) = 0 [pid 5066] symlink("/dev/binderfs", "./binderfs" [pid 5067] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... symlink resumed>) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5067] <... futex resumed>) = 0 [pid 5066] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] unlink("./2/binderfs" [pid 5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5066] <... futex resumed>) = 0 [pid 5067] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] <... unlink resumed>) = 0 [pid 5067] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5066] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5002] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5067] <... mprotect resumed>) = 0 [pid 5066] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5067] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5066] <... mprotect resumed>) = 0 [pid 5066] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5067] <... clone resumed>, parent_tid=[5068], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5068 [pid 5067] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5066] <... clone resumed>, parent_tid=[5069], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5069 [pid 5067] <... futex resumed>) = 0 [pid 5066] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5067] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5066] <... futex resumed>) = 0 [pid 5066] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5069 attached [pid 5069] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5069] memfd_create("syzkaller", 0) = 3 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5068 attached [pid 5068] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5068] memfd_create("syzkaller", 0) = 3 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5065 attached [pid 5065] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5065] chdir("./3" [pid 5002] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] <... chdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5002] lstat("./2/file0", [pid 5065] setpgid(0, 0 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5065] <... setpgid resumed>) = 0 [pid 5002] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] write(3, "1000", 4 [pid 5002] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5065] <... write resumed>) = 4 [pid 5065] close(3 [pid 5002] <... openat resumed>) = 4 [pid 5065] <... close resumed>) = 0 [pid 5002] fstat(4, [pid 5065] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5065] <... symlink resumed>) = 0 [pid 5002] getdents64(4, [pid 5065] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5065] <... futex resumed>) = 0 [pid 5002] getdents64(4, [pid 5065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5065] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5002] close(4 [pid 5065] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5002] <... close resumed>) = 0 [pid 5065] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] rmdir("./2/file0" [pid 5065] <... clone resumed>, parent_tid=[5070], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5070 [pid 5002] <... rmdir resumed>) = 0 [pid 5065] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] getdents64(3, [pid 5065] <... futex resumed>) = 0 [pid 5065] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5064] <... write resumed>) = 4194304 [pid 5002] rmdir("./2") = 0 [pid 5002] mkdir("./3", 0777./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5002] <... mkdir resumed>) = 0 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5070] memfd_create("syzkaller", 0 [pid 5064] munmap(0x7f0cd45eb000, 4194304 [pid 5002] <... openat resumed>) = 3 [pid 5070] <... memfd_create resumed>) = 3 [pid 5068] 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 5064] <... munmap resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5070] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5002] close(3) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5064] ioctl(4, LOOP_SET_FD, 3 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5071 ./strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5071] chdir("./3") = 0 [pid 5069] 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 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3 [pid 5064] <... ioctl resumed>) = 0 [pid 5003] <... umount2 resumed>) = 0 [pid 5064] close(3) = 0 [pid 5064] mkdir("./file0", 0777 [pid 5071] <... close resumed>) = 0 [pid 5064] <... mkdir resumed>) = 0 [pid 5003] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] symlink("/dev/binderfs", "./binderfs" [pid 5064] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5071] <... symlink resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] lstat("./2/file0", [pid 5071] <... futex resumed>) = 0 [pid 5071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5071] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [ 43.977270][ T5064] loop0: detected capacity change from 0 to 8192 [pid 5003] umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5071] <... mprotect resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5071] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5073], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5073 [pid 5003] openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5003] <... openat resumed>) = 4 [pid 5071] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5073 attached [pid 5069] <... write resumed>) = 4194304 [pid 5003] close(4 [pid 5073] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5069] munmap(0x7f0cd45eb000, 4194304 [pid 5003] <... close resumed>) = 0 [pid 5069] <... munmap resumed>) = 0 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5003] rmdir("./2/file0" [pid 5070] 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 5073] memfd_create("syzkaller", 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5073] <... memfd_create resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5003] getdents64(3, [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] <... openat resumed>) = 4 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5073] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5069] ioctl(4, LOOP_SET_FD, 3 [pid 5003] close(3) = 0 [pid 5003] rmdir("./2") = 0 [pid 5003] mkdir("./3", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 44.049628][ T5064] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.086734][ T5069] loop5: detected capacity change from 0 to 8192 [pid 5003] close(3 [pid 5073] 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 5003] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5074 [pid 5068] <... write resumed>) = 4194304 [pid 5069] <... ioctl resumed>) = 0 [pid 5068] munmap(0x7f0cd45eb000, 4194304 [pid 5069] close(3 [pid 5068] <... munmap resumed>) = 0 [pid 5069] <... close resumed>) = 0 [pid 5069] mkdir("./file0", 0777) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5069] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5074] set_robust_list(0x555555cac5e0, 24 [ 44.099530][ T5064] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 44.116826][ T5064] REISERFS (device loop0): using ordered data mode [ 44.131286][ T5064] reiserfs: using flush barriers [pid 5068] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... set_robust_list resumed>) = 0 [pid 5073] <... write resumed>) = 4194304 [pid 5070] <... write resumed>) = 4194304 [pid 5073] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5070] munmap(0x7f0cd45eb000, 4194304 [pid 5073] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5070] <... munmap resumed>) = 0 [pid 5073] ioctl(4, LOOP_SET_FD, 3 [pid 5074] chdir("./3" [pid 5073] <... ioctl resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... openat resumed>) = 4 [pid 5074] <... chdir resumed>) = 0 [pid 5070] <... openat resumed>) = 4 [pid 5068] ioctl(4, LOOP_SET_FD, 3 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5073] close(3 [ 44.137257][ T5064] 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 [ 44.147296][ T5073] loop1: detected capacity change from 0 to 8192 [ 44.154204][ T5069] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.160122][ T5064] REISERFS (device loop0): checking transaction log (loop0) [ 44.175274][ T5068] loop3: detected capacity change from 0 to 8192 [ 44.180593][ T5069] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [pid 5070] ioctl(4, LOOP_SET_FD, 3 [pid 5074] <... prctl resumed>) = 0 [pid 5073] <... close resumed>) = 0 [pid 5074] setpgid(0, 0 [pid 5073] mkdir("./file0", 0777 [pid 5074] <... setpgid resumed>) = 0 [pid 5073] <... mkdir resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5074] <... openat resumed>) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5074] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5074] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5074] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5077], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5077 [pid 5074] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5077 attached [pid 5070] <... ioctl resumed>) = 0 [ 44.187700][ T5070] loop4: detected capacity change from 0 to 8192 [ 44.195890][ T5069] REISERFS (device loop5): using ordered data mode [ 44.209447][ T5069] reiserfs: using flush barriers [ 44.213317][ T5073] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.216402][ T5069] 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 5068] <... ioctl resumed>) = 0 [pid 5077] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5070] close(3 [pid 5068] close(3 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5068] <... close resumed>) = 0 [pid 5077] memfd_create("syzkaller", 0 [pid 5070] mkdir("./file0", 0777 [pid 5068] mkdir("./file0", 0777 [pid 5077] <... memfd_create resumed>) = 3 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5070] <... mkdir resumed>) = 0 [pid 5068] <... mkdir resumed>) = 0 [pid 5077] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5070] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [ 44.243702][ T5069] REISERFS (device loop5): checking transaction log (loop5) [ 44.273116][ T5070] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.275967][ T5073] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 44.286184][ T5068] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.316559][ T5073] REISERFS (device loop1): using ordered data mode [ 44.323140][ T5073] reiserfs: using flush barriers [ 44.329330][ T5073] 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 [ 44.329364][ T5068] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 44.345750][ T5068] REISERFS (device loop3): using ordered data mode [ 44.361495][ T5068] reiserfs: using flush barriers [pid 5068] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [ 44.366172][ T5070] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 44.368154][ T5068] 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 [ 44.380589][ T5070] REISERFS (device loop4): using ordered data mode [ 44.391896][ T5068] REISERFS (device loop3): checking transaction log (loop3) [pid 5077] 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 5068] <... mount resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5068] chdir("./file0") = 0 [pid 5068] ioctl(4, LOOP_CLR_FD) = 0 [pid 5068] close(4) = 0 [ 44.441125][ T5068] REISERFS (device loop3): Using r5 hash to sort names [ 44.447735][ T5064] REISERFS (device loop0): Using r5 hash to sort names [ 44.448104][ T5073] REISERFS (device loop1): checking transaction log (loop1) [ 44.462437][ T5068] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 44.480152][ T5070] reiserfs: using flush barriers [pid 5068] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5068] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5067] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5068] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5068] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5068] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5068] ioctl(4, FS_IOC_GETVERSION [pid 5067] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5068] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [ 44.496575][ T5070] 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 [ 44.518983][ T5064] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 44.521224][ T5070] REISERFS (device loop4): checking transaction log (loop4) [pid 5068] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... write resumed>) = 4194304 [pid 5077] munmap(0x7f0cd45eb000, 4194304 [pid 5068] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5068] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5068] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5067] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... munmap resumed>) = 0 [pid 5064] <... mount resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5077] ioctl(4, LOOP_SET_FD, 3 [pid 5068] <... openat resumed>) = 5 [pid 5068] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5068] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5067] <... futex resumed>) = 0 [pid 5068] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5067] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] <... mount resumed>) = 0 [pid 5068] <... mmap resumed>) = 0x20000000 [pid 5064] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... openat resumed>) = 3 [pid 5073] <... openat resumed>) = 3 [pid 5068] <... futex resumed>) = 1 [pid 5067] <... futex resumed>) = 0 [pid 5064] chdir("./file0" [pid 5073] chdir("./file0" [pid 5068] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5067] exit_group(0 [pid 5064] <... chdir resumed>) = 0 [pid 5073] <... chdir resumed>) = 0 [pid 5068] <... futex resumed>) = ? [pid 5067] <... exit_group resumed>) = ? [pid 5064] ioctl(4, LOOP_CLR_FD [pid 5073] ioctl(4, LOOP_CLR_FD [pid 5068] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5073] <... ioctl resumed>) = 0 [pid 5064] <... ioctl resumed>) = 0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5073] close(4 [pid 5064] close(4 [pid 5073] <... close resumed>) = 0 [pid 5064] <... close resumed>) = 0 [pid 5073] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] <... futex resumed>) = 1 [pid 5071] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5073] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... futex resumed>) = 0 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 44.547235][ T5073] REISERFS (device loop1): Using r5 hash to sort names [ 44.554888][ T5069] REISERFS (device loop5): Using r5 hash to sort names [ 44.564285][ T5073] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 44.568334][ T5077] loop2: detected capacity change from 0 to 8192 [ 44.583875][ T5069] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5063] <... futex resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5073] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5063] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] fstat(3, [pid 5064] <... openat resumed>) = 4 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5064] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(3, [pid 5064] <... futex resumed>) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5004] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5064] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5064] ioctl(4, FS_IOC_GETVERSION [pid 5063] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] lstat("./3/binderfs", [pid 5064] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5064] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] unlink("./3/binderfs" [pid 5073] <... openat resumed>) = 4 [pid 5064] <... futex resumed>) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [pid 5064] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5073] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5073] <... futex resumed>) = 1 [pid 5064] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] <... futex resumed>) = 0 [pid 5063] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... openat resumed>) = 5 [pid 5064] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5064] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5073] ioctl(4, FS_IOC_GETVERSION [pid 5071] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5063] <... futex resumed>) = 0 [pid 5073] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5071] <... futex resumed>) = 0 [pid 5064] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5063] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5073] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5064] <... mmap resumed>) = 0x20000000 [pid 5064] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5063] <... futex resumed>) = 0 [pid 5064] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5063] exit_group(0 [pid 5064] <... futex resumed>) = ? [pid 5063] <... exit_group resumed>) = ? [pid 5064] +++ exited with 0 +++ [pid 5063] +++ exited with 0 +++ [pid 5069] <... mount resumed>) = 0 [pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5069] chdir("./file0") = 0 [pid 5069] ioctl(4, LOOP_CLR_FD) = 0 [pid 5069] close(4 [pid 5073] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5069] <... close resumed>) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5077] <... ioctl resumed>) = 0 [pid 5073] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5071] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... mount resumed>) = 0 [pid 5077] close(3 [pid 5073] <... openat resumed>) = 5 [pid 5071] <... futex resumed>) = 0 [pid 5070] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5077] <... close resumed>) = 0 [pid 5073] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5071] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... openat resumed>) = 3 [pid 5000] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5077] mkdir("./file0", 0777 [pid 5073] <... futex resumed>) = 0 [pid 5071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] chdir("./file0" [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... mkdir resumed>) = 0 [pid 5073] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... chdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5077] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5071] <... futex resumed>) = 0 [pid 5070] ioctl(4, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 5073] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5071] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5070] <... ioctl resumed>) = 0 [pid 5000] fstat(3, [pid 5073] <... mmap resumed>) = 0x20000000 [ 44.617235][ T5070] REISERFS (device loop4): Using r5 hash to sort names [ 44.628273][ T5070] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5070] close(4 [pid 5069] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5073] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... close resumed>) = 0 [pid 5069] <... futex resumed>) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5069] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = 0 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5066] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 4 [pid 5069] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5069] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5069] ioctl(4, FS_IOC_GETVERSION [pid 5066] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5069] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5069] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5069] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5066] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... openat resumed>) = 5 [pid 5069] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5069] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5066] <... futex resumed>) = 0 [pid 5069] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5066] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5069] <... mmap resumed>) = 0x20000000 [pid 5069] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5066] <... futex resumed>) = 0 [pid 5069] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5066] exit_group(0 [pid 5069] <... futex resumed>) = ? [pid 5066] <... exit_group resumed>) = ? [pid 5073] <... futex resumed>) = 1 [pid 5071] <... futex resumed>) = 0 [pid 5070] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5069] +++ exited with 0 +++ [pid 5066] +++ exited with 0 +++ [pid 5000] getdents64(3, [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5006] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, [pid 5004] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] lstat("./3/file0", [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./3/binderfs", [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] unlink("./3/binderfs" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... unlink resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 4 [ 44.673015][ T5077] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 44.686671][ T5077] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 44.696513][ T5077] REISERFS (device loop2): using ordered data mode [ 44.704202][ T5077] reiserfs: using flush barriers [pid 5073] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5071] exit_group(0 [pid 5070] <... futex resumed>) = 1 [pid 5065] <... futex resumed>) = 0 [pid 5004] fstat(4, [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./3/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./3") = 0 [pid 5004] mkdir("./4", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5081 ./strace-static-x86_64: Process 5081 attached [pid 5081] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5081] chdir("./4") = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0 [pid 5073] <... futex resumed>) = ? [pid 5071] <... exit_group resumed>) = ? [pid 5070] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... setpgid resumed>) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] +++ exited with 0 +++ [pid 5081] <... openat resumed>) = 3 [pid 5071] +++ exited with 0 +++ [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3 [pid 5065] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5000] lstat("./3/binderfs", [pid 5070] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5081] <... close resumed>) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5081] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] <... openat resumed>) = 4 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5000] unlink("./3/binderfs" [pid 5081] <... futex resumed>) = 0 [pid 5070] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... unlink resumed>) = 0 [pid 5081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5070] <... futex resumed>) = 1 [pid 5065] <... futex resumed>) = 0 [pid 5000] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5070] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5081] <... mprotect resumed>) = 0 [pid 5070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5065] <... futex resumed>) = 0 [pid 5081] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5070] ioctl(4, FS_IOC_GETVERSION [pid 5065] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] <... clone resumed>, parent_tid=[5082], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5082 [pid 5081] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5081] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5082 attached [pid 5082] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5082] memfd_create("syzkaller", 0) = 3 [pid 5070] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5002] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5070] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5065] <... futex resumed>) = 0 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5070] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5002] <... openat resumed>) = 3 [pid 5082] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5065] <... futex resumed>) = 0 [pid 5070] <... openat resumed>) = 5 [pid 5065] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] fstat(3, [pid 5070] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5070] <... futex resumed>) = 0 [pid 5065] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5070] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5065] <... futex resumed>) = 0 [pid 5065] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] getdents64(3, [pid 5070] <... mmap resumed>) = 0x20000000 [pid 5002] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5070] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5070] <... futex resumed>) = 1 [pid 5065] <... futex resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5065] exit_group(0 [pid 5002] lstat("./3/binderfs", [pid 5070] <... futex resumed>) = ? [pid 5065] <... exit_group resumed>) = ? [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5070] +++ exited with 0 +++ [pid 5065] +++ exited with 0 +++ [pid 5002] unlink("./3/binderfs" [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- [pid 5002] <... unlink resumed>) = 0 [pid 5002] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 44.718099][ T5077] 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 [ 44.736205][ T5077] REISERFS (device loop2): checking transaction log (loop2) [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./3/binderfs") = 0 [pid 5005] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = 0 [pid 5006] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./3/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./3") = 0 [pid 5006] mkdir("./4", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5083 [pid 5082] 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 5000] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5083 attached [pid 5000] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] set_robust_list(0x555555cac5e0, 24 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] <... set_robust_list resumed>) = 0 [pid 5083] chdir("./4") = 0 [pid 5000] lstat("./3/file0", [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] setpgid(0, 0 [pid 5000] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5083] <... setpgid resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5000] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] <... openat resumed>) = 3 [pid 5000] <... openat resumed>) = 4 [pid 5083] write(3, "1000", 4 [pid 5002] <... umount2 resumed>) = 0 [pid 5083] <... write resumed>) = 4 [pid 5000] fstat(4, [pid 5083] close(3) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] symlink("/dev/binderfs", "./binderfs" [pid 5002] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(4, [pid 5083] <... symlink resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5002] lstat("./3/file0", [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5083] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5083] <... mprotect resumed>) = 0 [pid 5000] getdents64(4, [pid 5083] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] close(4 [pid 5083] <... clone resumed>, parent_tid=[5084], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5084 [pid 5002] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... close resumed>) = 0 [pid 5083] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... openat resumed>) = 4 [pid 5000] rmdir("./3/file0" [pid 5083] <... futex resumed>) = 0 [pid 5002] fstat(4, [pid 5000] <... rmdir resumed>) = 0 [pid 5083] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 5002] getdents64(4, [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] close(3 [pid 5002] getdents64(4, [pid 5000] <... close resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] rmdir("./3" [pid 5002] close(4 [pid 5000] <... rmdir resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] mkdir("./4", 0777./strace-static-x86_64: Process 5084 attached [pid 5002] rmdir("./3/file0" [pid 5000] <... mkdir resumed>) = 0 [pid 5084] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5084] <... set_robust_list resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] <... openat resumed>) = 3 [pid 5084] memfd_create("syzkaller", 0 [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5084] <... memfd_create resumed>) = 3 [pid 5002] close(3 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] <... close resumed>) = 0 [pid 5000] close(3 [pid 5084] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5002] rmdir("./3" [pid 5000] <... close resumed>) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] mkdir("./4", 0777) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5085 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5086 ./strace-static-x86_64: Process 5085 attached ./strace-static-x86_64: Process 5086 attached [pid 5085] set_robust_list(0x555555cac5e0, 24 [pid 5086] set_robust_list(0x555555cac5e0, 24 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5086] <... set_robust_list resumed>) = 0 [pid 5086] chdir("./4") = 0 [pid 5085] chdir("./4" [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... chdir resumed>) = 0 [pid 5086] <... prctl resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] setpgid(0, 0 [pid 5085] <... prctl resumed>) = 0 [pid 5086] <... setpgid resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5085] setpgid(0, 0 [pid 5086] <... openat resumed>) = 3 [pid 5085] <... setpgid resumed>) = 0 [pid 5086] write(3, "1000", 4 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5086] <... write resumed>) = 4 [pid 5085] <... openat resumed>) = 3 [pid 5086] close(3 [pid 5085] write(3, "1000", 4 [pid 5086] <... close resumed>) = 0 [pid 5085] <... write resumed>) = 4 [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 5085] close(3 [pid 5086] <... symlink resumed>) = 0 [pid 5085] <... close resumed>) = 0 [pid 5086] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] symlink("/dev/binderfs", "./binderfs" [pid 5086] <... futex resumed>) = 0 [pid 5085] <... symlink resumed>) = 0 [pid 5086] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5085] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5086] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5085] <... futex resumed>) = 0 [pid 5086] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] <... mprotect resumed>) = 0 [pid 5085] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5086] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5085] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5086] <... clone resumed>, parent_tid=[5087], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5087 [pid 5085] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... umount2 resumed>) = 0 [pid 5086] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] <... clone resumed>, parent_tid=[5088], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5088 [pid 5005] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5086] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5085] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] <... futex resumed>) = 0 [pid 5005] lstat("./3/file0", [pid 5085] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5087 attached ) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5087] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5005] fstat(4, [pid 5087] <... set_robust_list resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 5088 attached [pid 5087] memfd_create("syzkaller", 0 [pid 5005] getdents64(4, [pid 5087] <... memfd_create resumed>) = 3 [pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5088] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5005] getdents64(4, [pid 5088] <... set_robust_list resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5088] memfd_create("syzkaller", 0 [pid 5005] <... close resumed>) = 0 [pid 5088] <... memfd_create resumed>) = 3 [pid 5005] rmdir("./3/file0" [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5088] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5077] <... mount resumed>) = 0 [pid 5005] getdents64(3, [pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5077] <... openat resumed>) = 3 [pid 5005] close(3 [pid 5077] chdir("./file0" [pid 5005] <... close resumed>) = 0 [pid 5077] <... chdir resumed>) = 0 [pid 5005] rmdir("./3" [pid 5077] ioctl(4, LOOP_CLR_FD [pid 5082] <... write resumed>) = 4194304 [pid 5077] <... ioctl resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5082] munmap(0x7f0cd45eb000, 4194304 [pid 5077] close(4 [pid 5005] mkdir("./4", 0777 [pid 5077] <... close resumed>) = 0 [pid 5077] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... mkdir resumed>) = 0 [pid 5077] <... futex resumed>) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5077] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... openat resumed>) = 3 [ 44.905266][ T5077] REISERFS (device loop2): Using r5 hash to sort names [ 44.934319][ T5077] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5077] <... openat resumed>) = 4 [pid 5074] <... futex resumed>) = 0 [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5077] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5074] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5077] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5005] close(3 [pid 5074] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = 1 [pid 5005] <... close resumed>) = 0 [pid 5077] ioctl(4, FS_IOC_GETVERSION [pid 5074] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] <... munmap resumed>) = 0 [pid 5077] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5077] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5074] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5077] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5089 [pid 5082] <... openat resumed>) = 4 [pid 5077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5074] <... futex resumed>) = 0 [pid 5087] 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 5082] ioctl(4, LOOP_SET_FD, 3 [pid 5077] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5074] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5077] <... openat resumed>) = 5 [pid 5077] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5077] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5074] <... futex resumed>) = 0 [pid 5074] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5077] <... futex resumed>) = 0 [pid 5074] <... futex resumed>) = 1 [pid 5074] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5089 attached [pid 5077] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5089] set_robust_list(0x555555cac5e0, 24 [pid 5088] 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] <... write resumed>) = 4194304 [pid 5084] 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 5082] <... ioctl resumed>) = 0 [pid 5089] <... set_robust_list resumed>) = 0 [ 45.005200][ T5082] loop3: detected capacity change from 0 to 8192 [ 45.013312][ T5077] [ 45.015640][ T5077] ====================================================== [ 45.022643][ T5077] WARNING: possible circular locking dependency detected [ 45.029647][ T5077] 6.4.0-rc5-syzkaller #0 Not tainted [ 45.034922][ T5077] ------------------------------------------------------ [ 45.041926][ T5077] syz-executor391/5077 is trying to acquire lock: [pid 5082] close(3 [pid 5089] chdir("./4" [pid 5082] <... close resumed>) = 0 [pid 5089] <... chdir resumed>) = 0 [pid 5082] mkdir("./file0", 0777 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... mkdir resumed>) = 0 [pid 5089] <... prctl resumed>) = 0 [pid 5082] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5089] setpgid(0, 0) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5089] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5089] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5089] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5090], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5090 [pid 5089] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5074] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5087] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5087] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5087] ioctl(4, LOOP_SET_FD, 3 [pid 5088] <... write resumed>) = 4194304 [pid 5084] <... write resumed>) = 4194304 [pid 5084] munmap(0x7f0cd45eb000, 4194304) = 0 [ 45.048325][ T5077] ffff888140b63090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 [ 45.057390][ T5077] [ 45.057390][ T5077] but task is already holding lock: [ 45.064747][ T5077] ffff88802ca67668 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x158/0x3b0 [ 45.068840][ T5087] loop1: detected capacity change from 0 to 8192 [ 45.073702][ T5077] [ 45.073702][ T5077] which lock already depends on the new lock. [ 45.073702][ T5077] [ 45.073706][ T5077] [ 45.073706][ T5077] the existing dependency chain (in reverse order) is: [ 45.073711][ T5077] [ 45.073711][ T5077] -> #1 (&mm->mmap_lock){++++}-{3:3}: [ 45.073734][ T5077] __might_fault+0x115/0x190 [ 45.094493][ T5084] loop5: detected capacity change from 0 to 8192 [ 45.099412][ T5077] reiserfs_ioctl+0x1d2/0x330 [ 45.099433][ T5077] __x64_sys_ioctl+0x197/0x210 [ 45.107931][ T5088] loop0: detected capacity change from 0 to 8192 [ 45.112061][ T5077] do_syscall_64+0x39/0xb0 [ 45.140049][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.146450][ T5077] [ 45.146450][ T5077] -> #0 (&sbi->lock){+.+.}-{3:3}: [ 45.153652][ T5077] __lock_acquire+0x2fcd/0x5f30 [ 45.159009][ T5077] lock_acquire+0x1b1/0x520 [ 45.164015][ T5077] __mutex_lock+0x12f/0x1350 [ 45.169123][ T5077] reiserfs_write_lock+0x79/0x100 [ 45.174649][ T5077] reiserfs_dirty_inode+0xd2/0x260 [ 45.180365][ T5077] __mark_inode_dirty+0x1e0/0xd60 [ 45.185895][ T5077] touch_atime+0x687/0x740 [ 45.190822][ T5077] generic_file_mmap+0x119/0x150 [ 45.196274][ T5077] mmap_region+0x694/0x28d0 [ 45.201283][ T5077] do_mmap+0x831/0xf60 [ 45.205878][ T5077] vm_mmap_pgoff+0x1a2/0x3b0 [ 45.210986][ T5077] ksys_mmap_pgoff+0x41f/0x5a0 [ 45.216254][ T5077] do_syscall_64+0x39/0xb0 [ 45.221181][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.227582][ T5077] [ 45.227582][ T5077] other info that might help us debug this: [ 45.227582][ T5077] [ 45.237783][ T5077] Possible unsafe locking scenario: [ 45.237783][ T5077] [ 45.245207][ T5077] CPU0 CPU1 [ 45.250548][ T5077] ---- ---- [ 45.255889][ T5077] lock(&mm->mmap_lock); [ 45.260200][ T5077] lock(&sbi->lock); [ 45.266690][ T5077] lock(&mm->mmap_lock); [ 45.273536][ T5077] lock(&sbi->lock); [ 45.277501][ T5077] [ 45.277501][ T5077] *** DEADLOCK *** [ 45.277501][ T5077] [ 45.285651][ T5077] 2 locks held by syz-executor391/5077: [ 45.291275][ T5077] #0: ffff88802ca67668 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x158/0x3b0 [ 45.300656][ T5077] #1: ffff88807b992460 (sb_writers#10){.+.+}-{0:0}, at: generic_file_mmap+0x119/0x150 [ 45.310303][ T5077] [ 45.310303][ T5077] stack backtrace: [ 45.316167][ T5077] CPU: 1 PID: 5077 Comm: syz-executor391 Not tainted 6.4.0-rc5-syzkaller #0 [ 45.324841][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 45.334887][ T5077] Call Trace: [ 45.338154][ T5077] [ 45.341066][ T5077] dump_stack_lvl+0xd9/0x150 [ 45.345639][ T5077] check_noncircular+0x25f/0x2e0 [ 45.350584][ T5077] ? print_circular_bug+0x730/0x730 [ 45.355791][ T5077] ? check_irq_usage+0x198/0x1a40 [ 45.360801][ T5077] ? save_trace+0x3f/0xb20 [ 45.365201][ T5077] ? __bfs+0x298/0x720 [ 45.369251][ T5077] ? _find_first_zero_bit+0x94/0xb0 [ 45.374435][ T5077] __lock_acquire+0x2fcd/0x5f30 [ 45.379277][ T5077] ? check_path.constprop.0+0x15/0x50 [ 45.384633][ T5077] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 45.390599][ T5077] ? print_circular_bug+0x730/0x730 [ 45.395784][ T5077] lock_acquire+0x1b1/0x520 [ 45.400274][ T5077] ? reiserfs_write_lock+0x79/0x100 [ 45.405454][ T5077] ? lock_sync+0x190/0x190 [ 45.409872][ T5077] __mutex_lock+0x12f/0x1350 [ 45.414532][ T5077] ? reiserfs_write_lock+0x79/0x100 [ 45.420149][ T5077] ? reiserfs_write_lock+0x79/0x100 [ 45.425332][ T5077] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 45.430871][ T5077] ? find_held_lock+0x2d/0x110 [ 45.435624][ T5077] ? current_time+0x79/0x2c0 [ 45.440202][ T5077] ? lock_downgrade+0x690/0x690 [ 45.445035][ T5077] reiserfs_write_lock+0x79/0x100 [ 45.450042][ T5077] reiserfs_dirty_inode+0xd2/0x260 [ 45.455137][ T5077] ? reiserfs_unfreeze+0xa0/0xa0 [ 45.460056][ T5077] ? ktime_get_coarse_real_ts64+0x15e/0x200 [ 45.465948][ T5077] ? lock_downgrade+0x690/0x690 [ 45.470960][ T5077] ? current_time+0x1fe/0x2c0 [ 45.475623][ T5077] ? reiserfs_unfreeze+0xa0/0xa0 [ 45.480574][ T5077] __mark_inode_dirty+0x1e0/0xd60 [ 45.485689][ T5077] touch_atime+0x687/0x740 [ 45.490092][ T5077] ? atime_needs_update+0x720/0x720 [ 45.495294][ T5077] ? __raw_spin_lock_init+0x3a/0x110 [ 45.500566][ T5077] generic_file_mmap+0x119/0x150 [ 45.505499][ T5077] mmap_region+0x694/0x28d0 [ 45.509991][ T5077] ? do_munmap+0xf0/0xf0 [ 45.514220][ T5077] ? security_mmap_addr+0x77/0xa0 [ 45.519234][ T5077] ? get_unmapped_area+0x1e8/0x3c0 [ 45.524326][ T5077] do_mmap+0x831/0xf60 [ 45.528377][ T5077] vm_mmap_pgoff+0x1a2/0x3b0 [ 45.532952][ T5077] ? randomize_page+0xb0/0xb0 [ 45.537615][ T5077] ksys_mmap_pgoff+0x41f/0x5a0 [ 45.542369][ T5077] do_syscall_64+0x39/0xb0 [ 45.546771][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.552651][ T5077] RIP: 0033:0x7f0cdca678d9 [ 45.557048][ T5077] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 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 [ 45.576722][ T5077] RSP: 002b:00007f0cdca0b2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 45.585113][ T5077] RAX: ffffffffffffffda RBX: 00007f0cdcae5780 RCX: 00007f0cdca678d9 [ 45.593237][ T5077] RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000020000000 [pid 5088] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5088] ioctl(4, LOOP_SET_FD, 3 [pid 5087] <... ioctl resumed>) = 0 [pid 5087] close(3) = 0 [pid 5087] mkdir("./file0", 0777) = 0 [pid 5087] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5088] <... ioctl resumed>) = 0 [pid 5088] close(3) = 0 [pid 5088] mkdir("./file0", 0777) = 0 [pid 5088] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5084] <... ioctl resumed>) = 0 [pid 5084] close(3) = 0 [pid 5084] mkdir("./file0", 0777) = 0 [pid 5084] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, ""./strace-static-x86_64: Process 5090 attached [ 45.601191][ T5077] RBP: 00007f0cdcab2280 R08: 0000000000000005 R09: 0000000000000000 [ 45.609149][ T5077] R10: 0000000000010012 R11: 0000000000000246 R12: 2e74636361757063 [ 45.617103][ T5077] R13: 0030656c69662f2e R14: 7366726573696572 R15: 00007f0cdcae5788 [ 45.625147][ T5077] [ 45.630851][ T5082] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 45.631023][ T5088] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5090] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5077] <... mmap resumed>) = 0x20000000 [pid 5090] memfd_create("syzkaller", 0 [pid 5077] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5074] exit_group(0) = ? [ 45.643863][ T5087] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 45.656735][ T5088] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 45.656783][ T5088] REISERFS (device loop0): using ordered data mode [ 45.656790][ T5088] reiserfs: using flush barriers [ 45.657281][ T5088] 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 [pid 5090] <... memfd_create resumed>) = 3 [pid 5077] <... futex resumed>) = ? [pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] +++ exited with 0 +++ [pid 5074] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5003] umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./3/binderfs") = 0 [ 45.671168][ T5082] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 45.679634][ T5088] REISERFS (device loop0): checking transaction log (loop0) [ 45.686843][ T5082] REISERFS (device loop3): using ordered data mode [ 45.720320][ T5088] REISERFS (device loop0): Using r5 hash to sort names [ 45.723255][ T5084] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 45.730415][ T5088] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5003] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5090] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5088] <... mount resumed>) = 0 [pid 5088] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5088] chdir("./file0") = 0 [pid 5088] ioctl(4, LOOP_CLR_FD) = 0 [ 45.739296][ T5084] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 45.768628][ T5087] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 45.774621][ T5084] REISERFS (device loop5): using ordered data mode [ 45.777867][ T5087] REISERFS (device loop1): using ordered data mode [ 45.790773][ T5087] reiserfs: using flush barriers [ 45.796162][ T5082] reiserfs: using flush barriers [pid 5088] close(4) = 0 [pid 5088] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 45.802022][ T5087] 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 [ 45.818218][ T5082] 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 [ 45.834424][ T5084] reiserfs: using flush barriers [ 45.841030][ T5084] 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 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 5088] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... umount2 resumed>) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5003] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] ioctl(4, FS_IOC_GETVERSION [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5003] lstat("./3/file0", [pid 5088] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5003] umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5085] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] <... openat resumed>) = 5 [pid 5003] openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5088] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 4 [pid 5088] <... futex resumed>) = 1 [pid 5003] fstat(4, [pid 5085] <... futex resumed>) = 0 [pid 5088] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5085] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5088] <... mmap resumed>) = 0x20000000 [pid 5003] getdents64(4, [pid 5088] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, [pid 5088] <... futex resumed>) = 1 [pid 5085] <... futex resumed>) = 0 [pid 5085] exit_group(0) = ? [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5088] +++ exited with 0 +++ [pid 5085] +++ exited with 0 +++ [pid 5003] close(4) = 0 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5003] rmdir("./3/file0") = 0 [pid 5003] getdents64(3, [pid 5000] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] close(3 [pid 5000] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... close resumed>) = 0 [pid 5003] rmdir("./3" [pid 5000] <... openat resumed>) = 3 [pid 5003] <... rmdir resumed>) = 0 [pid 5000] fstat(3, [pid 5003] mkdir("./4", 0777 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] <... openat resumed>) = 3 [pid 5000] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] lstat("./4/binderfs", [pid 5003] close(3 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] unlink("./4/binderfs") = 0 [pid 5000] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5095 ./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5095] chdir("./4") = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5095] setpgid(0, 0) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5095] write(3, "1000", 4) = 4 [pid 5095] close(3) = 0 [pid 5095] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5095] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] <... write resumed>) = 4194304 [pid 5095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] munmap(0x7f0cd45eb000, 4194304 [pid 5095] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5095] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5095] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5096], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5096 [pid 5095] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 45.850746][ T5082] REISERFS (device loop3): checking transaction log (loop3) [ 45.857547][ T5087] REISERFS (device loop1): checking transaction log (loop1) [ 45.872938][ T5084] REISERFS (device loop5): checking transaction log (loop5) [pid 5095] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5090] <... munmap resumed>) = 0 [pid 5090] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5090] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5096 attached [pid 5096] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [ 45.921204][ T5090] loop4: detected capacity change from 0 to 8192 [ 45.956400][ T5087] REISERFS (device loop1): Using r5 hash to sort names [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./4/file0") = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./4") = 0 [pid 5000] mkdir("./5", 0777) = 0 [pid 5090] <... ioctl resumed>) = 0 [pid 5090] close(3 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5090] <... close resumed>) = 0 [pid 5000] close(3 [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 5090] mkdir("./file0", 0777 [pid 5087] <... mount resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5096] <... write resumed>) = 4194304 [pid 5082] <... mount resumed>) = 0 [pid 5082] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5082] chdir("./file0") = 0 [pid 5082] ioctl(4, LOOP_CLR_FD) = 0 [pid 5082] close(4) = 0 [pid 5082] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5081] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 4 [pid 5082] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... futex resumed>) = 0 [pid 5082] ioctl(4, FS_IOC_GETVERSION [pid 5081] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5082] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... futex resumed>) = 0 [pid 5082] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5081] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... openat resumed>) = 5 [pid 5082] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5081] <... futex resumed>) = 0 [pid 5082] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5081] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5082] <... mmap resumed>) = 0x20000000 [pid 5082] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5081] <... futex resumed>) = 0 [pid 5082] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5081] exit_group(0 [pid 5082] <... futex resumed>) = ? [pid 5081] <... exit_group resumed>) = ? [pid 5090] <... mkdir resumed>) = 0 [pid 5082] +++ exited with 0 +++ [pid 5081] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5090] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5004] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5096] munmap(0x7f0cd45eb000, 4194304 [pid 5004] unlink("./4/binderfs" [pid 5096] <... munmap resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [ 45.963672][ T5087] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 45.987523][ T5082] REISERFS (device loop3): Using r5 hash to sort names [ 45.987697][ T5084] REISERFS (device loop5): Using r5 hash to sort names [ 45.994549][ T5082] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5004] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5087] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5098 attached [pid 5087] <... openat resumed>) = 3 [pid 5084] <... mount resumed>) = 0 [pid 5098] set_robust_list(0x555555cac5e0, 24 [pid 5087] chdir("./file0" [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5098 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5087] <... chdir resumed>) = 0 [pid 5098] chdir("./5" [pid 5087] ioctl(4, LOOP_CLR_FD [pid 5098] <... chdir resumed>) = 0 [pid 5087] <... ioctl resumed>) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] close(4 [pid 5098] <... prctl resumed>) = 0 [pid 5087] <... close resumed>) = 0 [pid 5084] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5098] setpgid(0, 0 [pid 5087] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... openat resumed>) = 3 [pid 5098] <... setpgid resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5084] chdir("./file0" [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] <... chdir resumed>) = 0 [pid 5098] <... openat resumed>) = 3 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... futex resumed>) = 0 [pid 5084] ioctl(4, LOOP_CLR_FD [pid 5098] write(3, "1000", 4 [pid 5087] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5086] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... write resumed>) = 4 [pid 5087] <... openat resumed>) = 4 [pid 5084] <... ioctl resumed>) = 0 [pid 5098] close(3 [pid 5096] <... ioctl resumed>) = 0 [pid 5087] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] close(4 [pid 5098] <... close resumed>) = 0 [pid 5087] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5098] symlink("/dev/binderfs", "./binderfs" [pid 5087] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5084] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... symlink resumed>) = 0 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... futex resumed>) = 0 [pid 5084] <... futex resumed>) = 1 [pid 5098] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] ioctl(4, FS_IOC_GETVERSION [pid 5086] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5084] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] <... futex resumed>) = 0 [pid 5087] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5087] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5087] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5098] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5087] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] <... mprotect resumed>) = 0 [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... futex resumed>) = 0 [pid 5098] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5087] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5086] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] close(3 [pid 5087] <... openat resumed>) = 5 [pid 5098] <... clone resumed>, parent_tid=[5099], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5099 [pid 5087] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] <... futex resumed>) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5098] <... futex resumed>) = 0 [pid 5087] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5098] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5087] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5086] <... futex resumed>) = 0 [pid 5087] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5086] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5087] <... mmap resumed>) = 0x20000000 [pid 5087] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5086] <... futex resumed>) = 0 [pid 5087] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5086] exit_group(0 [pid 5087] <... futex resumed>) = ? [pid 5086] <... exit_group resumed>) = ? [pid 5083] <... futex resumed>) = 0 [pid 5096] <... close resumed>) = 0 [pid 5087] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ [pid 5083] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5096] mkdir("./file0", 0777 [pid 5084] <... futex resumed>) = 0 [pid 5083] <... futex resumed>) = 1 [pid 5096] <... mkdir resumed>) = 0 [pid 5084] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5083] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5096] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5084] <... openat resumed>) = 4 [pid 5002] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5099 attached [pid 5099] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5084] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5002] <... restart_syscall resumed>) = 0 [pid 5083] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5099] memfd_create("syzkaller", 0 [pid 5084] ioctl(4, FS_IOC_GETVERSION [pid 5099] <... memfd_create resumed>) = 3 [pid 5099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5084] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [ 46.018400][ T5084] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 46.024990][ T5096] loop2: detected capacity change from 0 to 8192 [ 46.034133][ T5090] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.055646][ T5090] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5084] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = 0 [pid 5002] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5004] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5002] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] lstat("./4/file0", [pid 5084] <... openat resumed>) = 5 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5084] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] getdents64(3, [pid 5083] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5083] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 4 [pid 5002] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5084] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] <... mmap resumed>) = 0x20000000 [pid 5004] getdents64(4, [pid 5002] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5084] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] lstat("./4/binderfs", [pid 5084] <... futex resumed>) = 1 [pid 5083] <... futex resumed>) = 0 [pid 5083] exit_group(0) = ? [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] getdents64(4, [pid 5002] unlink("./4/binderfs" [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5004] close(4 [pid 5084] +++ exited with 0 +++ [pid 5083] +++ exited with 0 +++ [pid 5004] <... close resumed>) = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5004] rmdir("./4/file0" [pid 5002] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5006] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] getdents64(3, [pid 5006] <... openat resumed>) = 3 [pid 5004] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] fstat(3, [pid 5004] close(3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... close resumed>) = 0 [pid 5006] getdents64(3, [pid 5004] rmdir("./4" [pid 5006] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] <... rmdir resumed>) = 0 [pid 5006] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5099] 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 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] mkdir("./5", 0777 [pid 5006] lstat("./4/binderfs", [pid 5004] <... mkdir resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5006] unlink("./4/binderfs" [pid 5004] <... openat resumed>) = 3 [pid 5006] <... unlink resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5006] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5101 ./strace-static-x86_64: Process 5101 attached [pid 5101] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5101] chdir("./5") = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5101] setpgid(0, 0) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5101] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5101] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5101] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5102], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5102 [pid 5101] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5099] <... write resumed>) = 4194304 [pid 5099] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 46.082630][ T5096] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.090389][ T5090] REISERFS (device loop4): using ordered data mode [pid 5099] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5099] close(3) = 0 [pid 5099] mkdir("./file0", 0777) = 0 [pid 5099] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, ""./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [ 46.135493][ T5099] loop0: detected capacity change from 0 to 8192 [ 46.143012][ T5090] reiserfs: using flush barriers [ 46.148659][ T5099] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.162538][ T5099] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 46.171729][ T5096] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5102] memfd_create("syzkaller", 0) = 3 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5006] <... umount2 resumed>) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5002] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./4/file0") = 0 [pid 5006] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] getdents64(3, [pid 5006] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5006] fstat(4, [pid 5002] rmdir("./4" [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... rmdir resumed>) = 0 [ 46.171851][ T5090] 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 [ 46.197222][ T5090] REISERFS (device loop4): checking transaction log (loop4) [ 46.221327][ T5096] REISERFS (device loop2): using ordered data mode [ 46.227936][ T5096] reiserfs: using flush barriers [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./4/file0") = 0 [pid 5002] mkdir("./5", 0777 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./4" [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5006] <... rmdir resumed>) = 0 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3 [pid 5090] <... mount resumed>) = 0 [ 46.232895][ T5090] REISERFS (device loop4): Using r5 hash to sort names [ 46.240328][ T5096] 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 [ 46.240377][ T5090] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 46.265707][ T5099] REISERFS (device loop0): using ordered data mode [ 46.272254][ T5099] reiserfs: using flush barriers [pid 5002] <... close resumed>) = 0 [pid 5090] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5090] chdir("./file0") = 0 [pid 5090] ioctl(4, LOOP_CLR_FD) = 0 [pid 5090] close(4) = 0 [pid 5090] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5090] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5006] mkdir("./5", 0777 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5104 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] 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] <... futex resumed>) = 0 [pid 5006] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5105 [pid 5089] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 1 [pid 5090] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5089] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... openat resumed>) = 4 [pid 5090] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5089] <... futex resumed>) = 0 [pid 5090] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5105 attached ./strace-static-x86_64: Process 5104 attached [pid 5105] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5104] set_robust_list(0x555555cac5e0, 24 [pid 5105] chdir("./5" [pid 5104] <... set_robust_list resumed>) = 0 [pid 5105] <... chdir resumed>) = 0 [pid 5104] chdir("./5" [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] <... chdir resumed>) = 0 [pid 5105] <... prctl resumed>) = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] setpgid(0, 0 [pid 5104] <... prctl resumed>) = 0 [pid 5105] <... setpgid resumed>) = 0 [pid 5104] setpgid(0, 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5104] <... setpgid resumed>) = 0 [pid 5105] <... openat resumed>) = 3 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5089] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] write(3, "1000", 4 [pid 5104] <... openat resumed>) = 3 [pid 5090] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 1 [pid 5105] <... write resumed>) = 4 [pid 5104] write(3, "1000", 4 [pid 5090] ioctl(4, FS_IOC_GETVERSION [pid 5089] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] close(3 [pid 5104] <... write resumed>) = 4 [pid 5090] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5105] <... close resumed>) = 0 [pid 5104] close(3 [pid 5090] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] symlink("/dev/binderfs", "./binderfs" [pid 5104] <... close resumed>) = 0 [pid 5090] <... futex resumed>) = 1 [pid 5089] <... futex resumed>) = 0 [pid 5105] <... symlink resumed>) = 0 [pid 5104] symlink("/dev/binderfs", "./binderfs" [pid 5090] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... symlink resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5104] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = 1 [pid 5105] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5090] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5105] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5104] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5090] <... openat resumed>) = 5 [pid 5105] <... mprotect resumed>) = 0 [pid 5104] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5090] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5104] <... mprotect resumed>) = 0 [pid 5090] <... futex resumed>) = 0 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5090] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... clone resumed>, parent_tid=[5106], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5106 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5105] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... clone resumed>, parent_tid=[5107], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5107 [pid 5090] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5089] <... futex resumed>) = 0 [pid 5105] <... futex resumed>) = 0 [pid 5104] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5090] <... mmap resumed>) = 0x20000000 [pid 5089] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5105] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5104] <... futex resumed>) = 0 [pid 5090] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5104] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5090] <... futex resumed>) = 0 [pid 5089] exit_group(0) = ? [pid 5090] +++ exited with 0 +++ ./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5089] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5107 attached [pid 5106] <... set_robust_list resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5106] memfd_create("syzkaller", 0 [pid 5005] lstat("./4/binderfs", [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... memfd_create resumed>) = 3 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5107] memfd_create("syzkaller", 0 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] unlink("./4/binderfs" [pid 5107] <... memfd_create resumed>) = 3 [pid 5106] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5005] <... unlink resumed>) = 0 [pid 5107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5005] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5102] <... write resumed>) = 4194304 [pid 5102] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5102] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 46.277852][ T5099] 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 [ 46.294095][ T5096] REISERFS (device loop2): checking transaction log (loop2) [ 46.306472][ T5099] REISERFS (device loop0): checking transaction log (loop0) [pid 5102] ioctl(4, LOOP_SET_FD, 3 [pid 5106] 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 5102] <... ioctl resumed>) = 0 [pid 5102] close(3) = 0 [pid 5102] mkdir("./file0", 0777) = 0 [pid 5102] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5106] <... write resumed>) = 4194304 [pid 5106] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5106] close(3) = 0 [pid 5106] mkdir("./file0", 0777) = 0 [ 46.360208][ T5102] loop3: detected capacity change from 0 to 8192 [ 46.386212][ T5102] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.399796][ T5106] loop5: detected capacity change from 0 to 8192 [pid 5106] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [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 5005] <... umount2 resumed>) = 0 [ 46.410066][ T5102] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 46.419243][ T5106] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.422016][ T5096] REISERFS (device loop2): Using r5 hash to sort names [ 46.433345][ T5106] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 46.449074][ T5102] REISERFS (device loop3): using ordered data mode [pid 5005] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5096] <... mount resumed>) = 0 [pid 5096] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5096] chdir("./file0") = 0 [pid 5096] ioctl(4, LOOP_CLR_FD) = 0 [pid 5096] close(4) = 0 [pid 5096] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5095] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... futex resumed>) = 1 [pid 5096] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5096] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5095] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... futex resumed>) = 1 [pid 5096] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5096] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5095] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... futex resumed>) = 1 [pid 5096] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5096] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5095] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5095] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5096] <... futex resumed>) = 1 [pid 5096] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5096] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5095] <... futex resumed>) = 0 [pid 5095] exit_group(0) = ? [pid 5096] <... futex resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5095] +++ exited with 0 +++ [pid 5107] <... write resumed>) = 4194304 [pid 5107] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5107] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5107] ioctl(4, LOOP_SET_FD, 3 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5003] umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./4/binderfs") = 0 [ 46.452855][ T5099] REISERFS (device loop0): Using r5 hash to sort names [ 46.456626][ T5102] reiserfs: using flush barriers [ 46.462861][ T5106] REISERFS (device loop5): using ordered data mode [ 46.468485][ T5096] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 46.473942][ T5102] 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 [ 46.502415][ T5107] loop1: detected capacity change from 0 to 8192 [pid 5003] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5107] <... ioctl resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5107] close(3) = 0 [pid 5107] mkdir("./file0", 0777) = 0 [pid 5005] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4 [pid 5107] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5005] <... close resumed>) = 0 [pid 5005] rmdir("./4/file0") = 0 [pid 5005] getdents64(3, [pid 5099] <... mount resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./4") = 0 [pid 5005] mkdir("./5", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5111 [pid 5099] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 46.509129][ T5099] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 46.521286][ T5106] reiserfs: using flush barriers [ 46.526787][ T5102] REISERFS (device loop3): checking transaction log (loop3) [ 46.531401][ T5106] 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 ./strace-static-x86_64: Process 5111 attached [pid 5099] chdir("./file0" [pid 5003] <... umount2 resumed>) = 0 [pid 5111] set_robust_list(0x555555cac5e0, 24 [pid 5099] <... chdir resumed>) = 0 [pid 5003] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] <... set_robust_list resumed>) = 0 [pid 5099] ioctl(4, LOOP_CLR_FD [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] chdir("./5" [pid 5099] <... ioctl resumed>) = 0 [pid 5003] lstat("./4/file0", [pid 5111] <... chdir resumed>) = 0 [pid 5099] close(4 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... close resumed>) = 0 [pid 5003] umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5111] <... prctl resumed>) = 0 [pid 5099] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] setpgid(0, 0 [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5111] <... setpgid resumed>) = 0 [pid 5099] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 4 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = 0 [pid 5003] fstat(4, [pid 5111] <... openat resumed>) = 3 [pid 5099] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5098] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 46.553700][ T5107] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.556147][ T5106] REISERFS (device loop5): checking transaction log (loop5) [pid 5111] write(3, "1000", 4 [pid 5099] <... openat resumed>) = 4 [pid 5003] getdents64(4, [pid 5111] <... write resumed>) = 4 [pid 5099] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5111] close(3 [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5003] getdents64(4, [pid 5111] <... close resumed>) = 0 [pid 5099] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5111] symlink("/dev/binderfs", "./binderfs" [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = 0 [pid 5003] close(4 [pid 5111] <... symlink resumed>) = 0 [pid 5099] ioctl(4, FS_IOC_GETVERSION [pid 5098] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5111] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5003] rmdir("./4/file0" [pid 5111] <... futex resumed>) = 0 [pid 5099] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... rmdir resumed>) = 0 [pid 5111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5003] getdents64(3, [pid 5111] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5099] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5111] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5111] <... mprotect resumed>) = 0 [pid 5099] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5098] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... close resumed>) = 0 [pid 5111] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5099] <... openat resumed>) = 5 [pid 5003] rmdir("./4" [pid 5099] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... rmdir resumed>) = 0 [pid 5111] <... clone resumed>, parent_tid=[5112], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5112 [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5003] mkdir("./5", 0777 [pid 5111] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5099] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... mkdir resumed>) = 0 [pid 5111] <... futex resumed>) = 0 [pid 5099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5098] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5111] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5099] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5098] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... openat resumed>) = 3 [pid 5099] <... mmap resumed>) = 0x20000000 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5099] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5099] <... futex resumed>) = 1 [pid 5098] <... futex resumed>) = 0 [pid 5003] close(3 [pid 5099] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5098] exit_group(0 [pid 5003] <... close resumed>) = 0 [pid 5099] <... futex resumed>) = ? [pid 5098] <... exit_group resumed>) = ? [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] +++ exited with 0 +++ [pid 5098] +++ exited with 0 +++ [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5113 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5000] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./5/binderfs") = 0 [pid 5000] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5113 attached ./strace-static-x86_64: Process 5112 attached [pid 5113] set_robust_list(0x555555cac5e0, 24 [pid 5112] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5113] chdir("./5" [pid 5112] memfd_create("syzkaller", 0 [pid 5113] <... chdir resumed>) = 0 [pid 5112] <... memfd_create resumed>) = 3 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5113] <... prctl resumed>) = 0 [pid 5112] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5106] <... mount resumed>) = 0 [pid 5113] setpgid(0, 0 [pid 5106] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5113] <... setpgid resumed>) = 0 [pid 5106] chdir("./file0") = 0 [pid 5106] ioctl(4, LOOP_CLR_FD) = 0 [pid 5106] close(4) = 0 [pid 5106] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5105] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... futex resumed>) = 1 [pid 5106] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5106] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5113] write(3, "1000", 4 [pid 5105] <... futex resumed>) = 0 [pid 5105] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... futex resumed>) = 1 [pid 5106] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5106] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5105] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] <... futex resumed>) = 1 [pid 5106] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5113] <... write resumed>) = 4 [pid 5106] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] close(3 [pid 5105] <... futex resumed>) = 0 [pid 5105] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] <... close resumed>) = 0 [pid 5105] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5113] symlink("/dev/binderfs", "./binderfs" [pid 5106] <... futex resumed>) = 1 [pid 5106] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5113] <... symlink resumed>) = 0 [pid 5113] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5106] <... mmap resumed>) = 0x20000000 [pid 5106] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... futex resumed>) = 0 [pid 5105] exit_group(0) = ? [pid 5113] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5113] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5106] <... futex resumed>) = ? [pid 5113] <... clone resumed>, parent_tid=[5114], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5114 [pid 5113] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5106] +++ exited with 0 +++ [pid 5105] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5006] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./5/binderfs") = 0 [pid 5006] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5000] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./5/file0") = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./5") = 0 [pid 5000] mkdir("./6", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5115 ./strace-static-x86_64: Process 5115 attached [pid 5115] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5115] chdir("./6") = 0 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5115] setpgid(0, 0) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3) = 0 [pid 5115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5115] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5115] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5115] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5116], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5116 [pid 5115] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5116 attached [pid 5116] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5116] memfd_create("syzkaller", 0) = 3 [ 46.603098][ T5107] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 46.615104][ T5106] REISERFS (device loop5): Using r5 hash to sort names [ 46.625430][ T5107] REISERFS (device loop1): using ordered data mode [ 46.633344][ T5106] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 46.643353][ T5107] reiserfs: using flush barriers [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5116] 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./strace-static-x86_64: Process 5114 attached [pid 5114] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5114] memfd_create("syzkaller", 0 [pid 5116] <... write resumed>) = 4194304 [pid 5116] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5114] <... memfd_create resumed>) = 3 [pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5116] <... openat resumed>) = 4 [ 46.684058][ T5107] 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 [ 46.722508][ T5116] loop0: detected capacity change from 0 to 8192 [pid 5116] ioctl(4, LOOP_SET_FD, 3 [pid 5114] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5116] <... ioctl resumed>) = 0 [pid 5116] close(3) = 0 [pid 5116] mkdir("./file0", 0777) = 0 [pid 5116] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [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 5102] <... mount resumed>) = 0 [pid 5102] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5102] chdir("./file0") = 0 [pid 5102] ioctl(4, LOOP_CLR_FD) = 0 [pid 5102] close(4) = 0 [pid 5102] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5101] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... futex resumed>) = 1 [pid 5102] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5102] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5101] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... futex resumed>) = 1 [pid 5102] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5102] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5101] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... futex resumed>) = 1 [pid 5102] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5102] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5101] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] <... futex resumed>) = 1 [pid 5102] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5102] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] <... futex resumed>) = 0 [pid 5101] exit_group(0) = ? [pid 5102] <... futex resumed>) = ? [ 46.728221][ T5102] REISERFS (device loop3): Using r5 hash to sort names [ 46.733619][ T5107] REISERFS (device loop1): checking transaction log (loop1) [ 46.743651][ T5116] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.756728][ T5102] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 46.757008][ T5116] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 46.775598][ T5116] REISERFS (device loop0): using ordered data mode [pid 5102] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5112] <... write resumed>) = 4194304 [pid 5006] <... umount2 resumed>) = 0 [pid 5114] 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 5112] munmap(0x7f0cd45eb000, 4194304 [pid 5006] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5112] <... munmap resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] lstat("./5/file0", [pid 5112] <... openat resumed>) = 4 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5112] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... ioctl resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... openat resumed>) = 3 [pid 5006] <... openat resumed>) = 4 [pid 5004] fstat(3, [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, [pid 5004] getdents64(3, [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] getdents64(4, [pid 5112] close(3 [pid 5004] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... close resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] mkdir("./file0", 0777 [pid 5006] close(4 [pid 5004] lstat("./5/binderfs", [pid 5006] <... close resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5112] <... mkdir resumed>) = 0 [pid 5006] rmdir("./5/file0" [pid 5004] unlink("./5/binderfs" [pid 5112] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5006] <... rmdir resumed>) = 0 [pid 5006] getdents64(3, [pid 5004] <... unlink resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [ 46.783697][ T5116] reiserfs: using flush barriers [ 46.791812][ T5116] 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 [ 46.818821][ T5112] loop4: detected capacity change from 0 to 8192 [pid 5004] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5114] <... write resumed>) = 4194304 [pid 5006] close(3 [pid 5114] munmap(0x7f0cd45eb000, 4194304 [pid 5006] <... close resumed>) = 0 [pid 5114] <... munmap resumed>) = 0 [pid 5006] rmdir("./5" [pid 5114] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5006] <... rmdir resumed>) = 0 [pid 5114] <... openat resumed>) = 4 [pid 5006] mkdir("./6", 0777 [pid 5114] ioctl(4, LOOP_SET_FD, 3 [pid 5006] <... mkdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5119 ./strace-static-x86_64: Process 5119 attached [pid 5119] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5119] chdir("./6") = 0 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5119] setpgid(0, 0) = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5119] write(3, "1000", 4) = 4 [pid 5119] close(3) = 0 [pid 5119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5119] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5119] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5119] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5120], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5120 [pid 5119] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5119] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5120 attached [pid 5120] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5114] <... ioctl resumed>) = 0 [pid 5114] close(3) = 0 [pid 5114] mkdir("./file0", 0777) = 0 [ 46.844467][ T5116] REISERFS (device loop0): checking transaction log (loop0) [ 46.855783][ T5112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.856920][ T5114] loop2: detected capacity change from 0 to 8192 [pid 5114] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5120] 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) = 4194304 [pid 5120] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5120] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5120] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... umount2 resumed>) = 0 [ 46.894153][ T5114] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.911288][ T5107] REISERFS (device loop1): Using r5 hash to sort names [ 46.929758][ T5114] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 46.932857][ T5120] loop5: detected capacity change from 0 to 8192 [pid 5120] <... ioctl resumed>) = 0 [pid 5120] close(3) = 0 [pid 5120] mkdir("./file0", 0777) = 0 [pid 5120] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5004] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./5/file0", [pid 5107] <... mount resumed>) = 0 [pid 5107] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5107] chdir("./file0") = 0 [pid 5107] ioctl(4, LOOP_CLR_FD) = 0 [ 46.947538][ T5112] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 46.950511][ T5107] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 46.957012][ T5112] REISERFS (device loop4): using ordered data mode [ 46.972990][ T5112] reiserfs: using flush barriers [ 46.973582][ T5114] REISERFS (device loop2): using ordered data mode [pid 5107] close(4 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5107] <... close resumed>) = 0 [pid 5107] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5104] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... futex resumed>) = 1 [pid 5107] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5107] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5104] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... futex resumed>) = 1 [pid 5107] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5107] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5104] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... futex resumed>) = 1 [pid 5107] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5107] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5104] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5104] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5107] <... futex resumed>) = 1 [pid 5107] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5107] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5104] <... futex resumed>) = 0 [pid 5104] exit_group(0) = ? [pid 5107] <... futex resumed>) = ? [pid 5107] +++ exited with 0 +++ [pid 5104] +++ exited with 0 +++ [pid 5004] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [ 46.985531][ T5120] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 46.989097][ T5114] reiserfs: using flush barriers [ 47.002734][ T5112] 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 [ 47.005121][ T5114] 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 [ 47.026153][ T5116] REISERFS (device loop0): Using r5 hash to sort names [pid 5004] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5116] <... mount resumed>) = 0 [pid 5004] fstat(4, [pid 5002] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(4, [pid 5002] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] <... openat resumed>) = 3 [pid 5004] getdents64(4, [pid 5002] fstat(3, [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] close(4 [pid 5002] getdents64(3, [pid 5004] <... close resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] rmdir("./5/file0" [pid 5002] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] getdents64(3, [pid 5002] lstat("./5/binderfs", [pid 5004] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] close(3 [pid 5002] unlink("./5/binderfs" [pid 5004] <... close resumed>) = 0 [pid 5002] <... unlink resumed>) = 0 [pid 5004] rmdir("./5" [pid 5002] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... rmdir resumed>) = 0 [pid 5004] mkdir("./6", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5123 [pid 5116] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5116] chdir("./file0") = 0 [pid 5116] ioctl(4, LOOP_CLR_FD) = 0 [pid 5116] close(4) = 0 [pid 5116] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5115] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5116] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5115] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5116] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [pid 5116] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5115] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5116] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5116] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5115] <... futex resumed>) = 0 [ 47.036451][ T5114] REISERFS (device loop2): checking transaction log (loop2) [ 47.043019][ T5120] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 47.052251][ T5112] REISERFS (device loop4): checking transaction log (loop4) [ 47.060076][ T5116] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 47.070266][ T5120] REISERFS (device loop5): using ordered data mode [pid 5116] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5115] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5116] <... mmap resumed>) = 0x20000000 [pid 5115] <... futex resumed>) = 0 [pid 5115] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5116] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5116] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5115] <... futex resumed>) = 0 [pid 5115] exit_group(0 [pid 5116] <... futex resumed>) = ? [pid 5115] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5123 attached [pid 5116] +++ exited with 0 +++ [pid 5123] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5115] +++ exited with 0 +++ [pid 5123] chdir("./6" [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5123] <... chdir resumed>) = 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5123] setpgid(0, 0) = 0 [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5123] write(3, "1000", 4) = 4 [pid 5123] close(3) = 0 [pid 5123] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5123] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5123] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5123] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5123] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5000] <... openat resumed>) = 3 [pid 5123] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5000] fstat(3, [pid 5123] <... mprotect resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5123] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5123] <... clone resumed>, parent_tid=[5124], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5124 [pid 5000] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5123] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5123] <... futex resumed>) = 0 [pid 5000] lstat("./6/binderfs", [pid 5123] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./6/binderfs") = 0 [pid 5000] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5124 attached [pid 5124] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5124] memfd_create("syzkaller", 0) = 3 [pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5002] <... umount2 resumed>) = 0 [ 47.121140][ T5120] reiserfs: using flush barriers [ 47.135758][ T5114] REISERFS (device loop2): Using r5 hash to sort names [pid 5002] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./5/file0") = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./5") = 0 [pid 5002] mkdir("./6", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5125 [pid 5124] 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./strace-static-x86_64: Process 5125 attached [pid 5125] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5125] chdir("./6") = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] <... mount resumed>) = 0 [pid 5114] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5114] chdir("./file0") = 0 [pid 5114] ioctl(4, LOOP_CLR_FD) = 0 [pid 5114] close(4) = 0 [pid 5114] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5114] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] <... futex resumed>) = 0 [pid 5113] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 47.165721][ T5120] 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 [ 47.185742][ T5112] REISERFS (device loop4): Using r5 hash to sort names [ 47.196669][ T5114] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5113] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5125] setpgid(0, 0) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5125] write(3, "1000", 4) = 4 [pid 5125] close(3) = 0 [pid 5125] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5125] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5125] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5114] <... futex resumed>) = 0 [pid 5125] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5114] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5114] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5114] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... futex resumed>) = 0 [pid 5114] ioctl(4, FS_IOC_GETVERSION [pid 5113] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... umount2 resumed>) = 0 [pid 5114] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5000] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5125] <... clone resumed>, parent_tid=[5126], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5126 [pid 5125] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5114] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5114] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5000] lstat("./6/file0", [pid 5114] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5113] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] <... mount resumed>) = 0 [pid 5113] <... futex resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5114] <... openat resumed>) = 5 [pid 5113] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5114] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5112] <... openat resumed>) = 3 [pid 5114] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5114] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] chdir("./file0" [pid 5000] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5113] <... futex resumed>) = 0 [pid 5112] <... chdir resumed>) = 0 [pid 5114] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5113] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5112] ioctl(4, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 4 [pid 5114] <... mmap resumed>) = 0x20000000 [pid 5112] <... ioctl resumed>) = 0 [pid 5000] fstat(4, [pid 5114] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5112] close(4 [pid 5114] <... futex resumed>) = 1 [pid 5113] <... futex resumed>) = 0 [pid 5112] <... close resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5114] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5113] exit_group(0 [pid 5112] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(4, [pid 5114] <... futex resumed>) = ? [pid 5113] <... exit_group resumed>) = ? [pid 5112] <... futex resumed>) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5114] +++ exited with 0 +++ [pid 5113] +++ exited with 0 +++ [pid 5112] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] <... futex resumed>) = 0 [pid 5112] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5111] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=12 /* 0.12 s */} --- [pid 5000] getdents64(4, [pid 5112] <... openat resumed>) = 4 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5112] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5112] <... futex resumed>) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5112] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] close(4 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] <... futex resumed>) = 0 [pid 5003] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... close resumed>) = 0 [pid 5112] ioctl(4, FS_IOC_GETVERSION [pid 5111] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] rmdir("./6/file0" [pid 5112] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5003] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5112] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... openat resumed>) = 3 [pid 5000] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 5126 attached [pid 5112] <... futex resumed>) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5003] fstat(3, [pid 5126] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5112] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 5126] <... set_robust_list resumed>) = 0 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] <... futex resumed>) = 0 [pid 5003] getdents64(3, [pid 5126] memfd_create("syzkaller", 0 [pid 5112] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5111] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5126] <... memfd_create resumed>) = 3 [pid 5112] <... openat resumed>) = 5 [pid 5003] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5112] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] close(3 [pid 5126] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5124] <... write resumed>) = 4194304 [pid 5112] <... futex resumed>) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5003] lstat("./5/binderfs", [pid 5112] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 5112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5111] <... futex resumed>) = 0 [pid 5003] unlink("./5/binderfs" [pid 5000] rmdir("./6" [pid 5112] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5111] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... unlink resumed>) = 0 [pid 5003] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... rmdir resumed>) = 0 [pid 5112] <... mmap resumed>) = 0x20000000 [pid 5000] mkdir("./7", 0777) = 0 [pid 5112] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [ 47.214141][ T5112] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 47.225417][ T5120] REISERFS (device loop5): checking transaction log (loop5) [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5112] <... futex resumed>) = 1 [pid 5111] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5112] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5111] exit_group(0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5112] <... futex resumed>) = ? [pid 5111] <... exit_group resumed>) = ? [pid 5112] +++ exited with 0 +++ [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5111] +++ exited with 0 +++ [pid 5000] close(3 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5000] <... close resumed>) = 0 [pid 5124] munmap(0x7f0cd45eb000, 4194304 [pid 5005] <... restart_syscall resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5127 [pid 5005] umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./5/binderfs") = 0 [pid 5005] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5127 attached [pid 5127] set_robust_list(0x555555cac5e0, 24 [pid 5124] <... munmap resumed>) = 0 [pid 5124] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5127] <... set_robust_list resumed>) = 0 [pid 5127] chdir("./7" [pid 5124] ioctl(4, LOOP_SET_FD, 3 [pid 5127] <... chdir resumed>) = 0 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5126] 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 5127] <... prctl resumed>) = 0 [pid 5127] setpgid(0, 0) = 0 [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] <... ioctl resumed>) = 0 [pid 5127] <... openat resumed>) = 3 [pid 5124] close(3) = 0 [pid 5124] mkdir("./file0", 0777 [pid 5127] write(3, "1000", 4) = 4 [pid 5127] close(3) = 0 [pid 5124] <... mkdir resumed>) = 0 [pid 5124] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5127] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5127] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 47.302675][ T5124] loop3: detected capacity change from 0 to 8192 [ 47.303368][ T5120] REISERFS (device loop5): Using r5 hash to sort names [ 47.334365][ T5120] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5126] <... write resumed>) = 4194304 [pid 5127] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5126] munmap(0x7f0cd45eb000, 4194304 [pid 5127] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5126] <... munmap resumed>) = 0 [pid 5127] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5129], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5129 [pid 5127] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5126] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5126] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 5129 attached ) = 0 [pid 5120] <... mount resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5003] <... umount2 resumed>) = 0 [pid 5126] close(3) = 0 [pid 5126] mkdir("./file0", 0777) = 0 [pid 5126] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5129] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5129] memfd_create("syzkaller", 0) = 3 [pid 5129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5120] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5120] chdir("./file0" [pid 5005] lstat("./5/file0", [pid 5003] lstat("./5/file0", [pid 5120] <... chdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5120] ioctl(4, LOOP_CLR_FD) = 0 [pid 5005] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] close(4 [pid 5003] umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5120] <... close resumed>) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5129] 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 5120] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5129] <... write resumed>) = 4194304 [pid 5120] <... futex resumed>) = 1 [pid 5119] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5003] <... openat resumed>) = 4 [pid 5120] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5119] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... openat resumed>) = 4 [pid 5119] <... futex resumed>) = 0 [pid 5120] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] ioctl(4, FS_IOC_GETVERSION [pid 5119] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5119] <... futex resumed>) = 0 [pid 5120] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [ 47.343507][ T5124] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 47.359723][ T5126] loop1: detected capacity change from 0 to 8192 [ 47.365294][ T5124] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 47.387070][ T5126] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5119] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5120] <... openat resumed>) = 5 [pid 5119] <... futex resumed>) = 0 [pid 5120] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5119] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] fstat(4, [pid 5003] fstat(4, [pid 5129] munmap(0x7f0cd45eb000, 4194304 [pid 5120] <... mmap resumed>) = 0x20000000 [pid 5119] <... futex resumed>) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5120] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5119] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5120] <... futex resumed>) = 0 [pid 5119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5120] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5119] exit_group(0 [pid 5120] <... futex resumed>) = ? [pid 5119] <... exit_group resumed>) = ? [pid 5120] +++ exited with 0 +++ [pid 5119] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5006] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./6/binderfs") = 0 [pid 5006] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5129] <... munmap resumed>) = 0 [pid 5005] getdents64(4, [pid 5003] getdents64(4, [pid 5129] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5129] <... openat resumed>) = 4 [pid 5005] getdents64(4, [pid 5003] getdents64(4, [pid 5129] ioctl(4, LOOP_SET_FD, 3 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [ 47.398567][ T5124] REISERFS (device loop3): using ordered data mode [ 47.407208][ T5124] reiserfs: using flush barriers [ 47.413876][ T5126] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 47.417456][ T5124] 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 [ 47.423385][ T5126] REISERFS (device loop1): using ordered data mode [ 47.445951][ T5126] reiserfs: using flush barriers [pid 5005] close(4) = 0 [pid 5003] close(4 [pid 5005] rmdir("./5/file0" [pid 5003] <... close resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5003] rmdir("./5/file0" [pid 5005] getdents64(3, [pid 5003] <... rmdir resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] getdents64(3, [pid 5005] close(3) = 0 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] rmdir("./5" [pid 5003] close(3 [pid 5005] <... rmdir resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5129] <... ioctl resumed>) = 0 [pid 5005] mkdir("./6", 0777 [pid 5003] rmdir("./5" [pid 5129] close(3 [pid 5005] <... mkdir resumed>) = 0 [pid 5003] <... rmdir resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5129] mkdir("./file0", 0777 [pid 5003] mkdir("./6", 0777 [pid 5005] <... openat resumed>) = 3 [pid 5129] <... mkdir resumed>) = 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5129] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] <... openat resumed>) = 3 [pid 5005] close(3 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 47.451533][ T5129] loop0: detected capacity change from 0 to 8192 [ 47.462323][ T5124] REISERFS (device loop3): checking transaction log (loop3) [ 47.465732][ T5126] 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 [pid 5003] close(3 [pid 5006] <... umount2 resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5132 [pid 5006] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... close resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5006] lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5133 [pid 5006] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./6/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./6") = 0 [pid 5006] mkdir("./7", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5134 ./strace-static-x86_64: Process 5132 attached [pid 5132] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5132] chdir("./6") = 0 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5132] setpgid(0, 0) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5134 attached ) = 3 [pid 5134] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5134] chdir("./7" [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3 [pid 5134] <... chdir resumed>) = 0 [pid 5132] <... close resumed>) = 0 [pid 5132] symlink("/dev/binderfs", "./binderfs" [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] <... symlink resumed>) = 0 [pid 5134] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5133 attached [pid 5134] setpgid(0, 0) = 0 [pid 5133] set_robust_list(0x555555cac5e0, 24 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... openat resumed>) = 3 [pid 5133] chdir("./6" [pid 5132] <... futex resumed>) = 0 [pid 5134] write(3, "1000", 4 [pid 5133] <... chdir resumed>) = 0 [pid 5132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5134] <... write resumed>) = 4 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5134] close(3 [pid 5133] <... prctl resumed>) = 0 [pid 5132] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5134] <... close resumed>) = 0 [pid 5134] symlink("/dev/binderfs", "./binderfs" [pid 5133] setpgid(0, 0 [pid 5132] <... mprotect resumed>) = 0 [pid 5134] <... symlink resumed>) = 0 [pid 5133] <... setpgid resumed>) = 0 [pid 5132] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5134] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] <... futex resumed>) = 0 [pid 5133] <... openat resumed>) = 3 [pid 5132] <... clone resumed>, parent_tid=[5135], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5135 [pid 5134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5133] write(3, "1000", 4 [pid 5132] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5133] <... write resumed>) = 4 [pid 5134] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5133] close(3 [pid 5132] <... futex resumed>) = 0 [ 47.494235][ T5129] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 47.504154][ T5126] REISERFS (device loop1): checking transaction log (loop1) [ 47.540826][ T5126] REISERFS (device loop1): Using r5 hash to sort names [pid 5134] <... mprotect resumed>) = 0 [pid 5133] <... close resumed>) = 0 [pid 5132] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5134] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5134] <... clone resumed>, parent_tid=[5136], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5136 [pid 5133] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... futex resumed>) = 0 [pid 5134] <... futex resumed>) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5134] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5133] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5133] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5133] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5137], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5137 [pid 5133] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5135 attached [pid 5135] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5135] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 5137 attached [pid 5126] <... mount resumed>) = 0 [pid 5135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5136 attached [pid 5137] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5137] memfd_create("syzkaller", 0 [pid 5126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5137] <... memfd_create resumed>) = 3 [pid 5126] <... openat resumed>) = 3 [pid 5136] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5136] memfd_create("syzkaller", 0) = 3 [pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5136] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5137] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5126] chdir("./file0") = 0 [pid 5126] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] close(4) = 0 [pid 5126] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] 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 5126] <... futex resumed>) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5125] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 47.551884][ T5126] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 47.562304][ T5129] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 47.572926][ T5129] REISERFS (device loop0): using ordered data mode [ 47.593445][ T5124] REISERFS (device loop3): Using r5 hash to sort names [pid 5125] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5126] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5126] ioctl(4, FS_IOC_GETVERSION [pid 5125] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5125] <... futex resumed>) = 0 [pid 5126] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] <... futex resumed>) = 0 [pid 5125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5126] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... futex resumed>) = 0 [pid 5126] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5125] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] <... openat resumed>) = 5 [pid 5126] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5126] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5125] <... futex resumed>) = 0 [pid 5126] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5125] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] <... mmap resumed>) = 0x20000000 [pid 5126] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5125] <... futex resumed>) = 0 [pid 5126] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5125] exit_group(0 [pid 5126] <... futex resumed>) = ? [pid 5125] <... exit_group resumed>) = ? [pid 5126] +++ exited with 0 +++ [pid 5125] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5002] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./6/binderfs") = 0 [pid 5002] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5137] <... write resumed>) = 4194304 [pid 5136] 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 5137] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5137] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5137] ioctl(4, LOOP_SET_FD, 3 [ 47.595703][ T5129] reiserfs: using flush barriers [ 47.616428][ T5129] 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 [ 47.624897][ T5124] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 47.640544][ T5129] REISERFS (device loop0): checking transaction log (loop0) [pid 5135] 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 5137] <... ioctl resumed>) = 0 [pid 5137] close(3) = 0 [pid 5137] mkdir("./file0", 0777) = 0 [pid 5137] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5124] <... mount resumed>) = 0 [pid 5124] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 47.652106][ T5137] loop2: detected capacity change from 0 to 8192 [pid 5124] chdir("./file0") = 0 [pid 5124] ioctl(4, LOOP_CLR_FD) = 0 [pid 5124] close(4) = 0 [pid 5124] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5124] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] <... futex resumed>) = 0 [pid 5123] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 1 [pid 5124] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5123] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... openat resumed>) = 4 [pid 5124] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5124] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] <... futex resumed>) = 0 [pid 5123] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 1 [pid 5124] ioctl(4, FS_IOC_GETVERSION [pid 5123] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5124] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5124] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 1 [pid 5124] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5123] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5124] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5135] <... write resumed>) = 4194304 [pid 5123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5123] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5124] <... futex resumed>) = 0 [pid 5123] <... futex resumed>) = 1 [pid 5135] munmap(0x7f0cd45eb000, 4194304 [pid 5124] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5123] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5124] <... mmap resumed>) = 0x20000000 [pid 5124] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5123] <... futex resumed>) = 0 [pid 5124] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5123] exit_group(0 [pid 5124] <... futex resumed>) = ? [pid 5123] <... exit_group resumed>) = ? [pid 5124] +++ exited with 0 +++ [pid 5123] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5135] <... munmap resumed>) = 0 [pid 5004] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5135] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5135] <... openat resumed>) = 4 [pid 5004] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5135] ioctl(4, LOOP_SET_FD, 3 [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] <... umount2 resumed>) = 0 [pid 5136] <... write resumed>) = 4194304 [pid 5136] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5002] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, [pid 5004] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./6/binderfs" [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [ 47.677227][ T5137] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 47.713348][ T5135] loop4: detected capacity change from 0 to 8192 [pid 5004] <... unlink resumed>) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./6/file0") = 0 [pid 5136] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5002] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5136] ioctl(4, LOOP_SET_FD, 3 [pid 5135] <... ioctl resumed>) = 0 [pid 5004] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] rmdir("./6") = 0 [pid 5002] mkdir("./7", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3 [pid 5136] <... ioctl resumed>) = 0 [pid 5135] close(3 [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5139 ./strace-static-x86_64: Process 5139 attached [pid 5139] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5139] chdir("./7") = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5139] setpgid(0, 0) = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5139] write(3, "1000", 4) = 4 [pid 5139] close(3) = 0 [pid 5139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5139] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5139] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5139] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5140], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5140 [pid 5139] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5140 attached [pid 5140] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5140] memfd_create("syzkaller", 0) = 3 [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5135] <... close resumed>) = 0 [pid 5136] close(3 [pid 5135] mkdir("./file0", 0777 [pid 5136] <... close resumed>) = 0 [pid 5135] <... mkdir resumed>) = 0 [ 47.720832][ T5137] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 47.722973][ T5136] loop5: detected capacity change from 0 to 8192 [ 47.732395][ T5137] REISERFS (device loop2): using ordered data mode [ 47.744731][ T5137] reiserfs: using flush barriers [ 47.750808][ T5137] 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 [ 47.768082][ T5137] REISERFS (device loop2): checking transaction log (loop2) [pid 5140] 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 5136] mkdir("./file0", 0777 [pid 5135] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5136] <... mkdir resumed>) = 0 [pid 5136] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5129] <... mount resumed>) = 0 [pid 5129] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5129] chdir("./file0") = 0 [pid 5129] ioctl(4, LOOP_CLR_FD) = 0 [pid 5129] close(4 [pid 5004] <... umount2 resumed>) = 0 [pid 5129] <... close resumed>) = 0 [ 47.768603][ T5129] REISERFS (device loop0): Using r5 hash to sort names [ 47.785023][ T5129] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 47.804023][ T5135] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5129] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5129] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5127] <... futex resumed>) = 0 [pid 5127] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5127] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./6/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./6" [pid 5129] <... futex resumed>) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5129] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5004] mkdir("./7", 0777 [pid 5129] <... openat resumed>) = 4 [pid 5004] <... mkdir resumed>) = 0 [pid 5129] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5129] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5127] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5127] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 3 [pid 5127] <... futex resumed>) = 0 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5127] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5129] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5129] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5127] <... futex resumed>) = 0 [pid 5127] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5127] <... futex resumed>) = 0 [pid 5127] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5129] <... openat resumed>) = 5 [pid 5129] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5127] <... futex resumed>) = 0 [pid 5127] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5127] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5129] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5143 [pid 5129] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5127] <... futex resumed>) = 0 [pid 5127] exit_group(0) = ? [pid 5129] +++ exited with 0 +++ [pid 5127] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5140] <... write resumed>) = 4194304 [ 47.817342][ T5136] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5000] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5143 attached [pid 5143] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5143] chdir("./7") = 0 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5143] setpgid(0, 0) = 0 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5143] write(3, "1000", 4) = 4 [pid 5143] close(3) = 0 [pid 5143] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5143] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5143] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5143] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5144], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5144 [pid 5143] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5143] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5140] munmap(0x7f0cd45eb000, 4194304 [pid 5000] <... restart_syscall resumed>) = 0 [pid 5140] <... munmap resumed>) = 0 [ 47.851473][ T5136] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 47.860080][ T5135] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 47.861698][ T5136] REISERFS (device loop5): using ordered data mode [ 47.877520][ T5136] reiserfs: using flush barriers [ 47.879946][ T5137] REISERFS (device loop2): Using r5 hash to sort names [ 47.883356][ T5135] REISERFS (device loop4): using ordered data mode [pid 5140] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 5144 attached ) = 4 [pid 5144] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5140] ioctl(4, LOOP_SET_FD, 3 [pid 5000] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5144] <... set_robust_list resumed>) = 0 [pid 5137] <... mount resumed>) = 0 [pid 5137] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5137] chdir("./file0") = 0 [pid 5137] ioctl(4, LOOP_CLR_FD) = 0 [ 47.889681][ T5136] 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 [ 47.896115][ T5135] reiserfs: using flush barriers [ 47.912643][ T5137] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 47.917829][ T5136] REISERFS (device loop5): checking transaction log (loop5) [ 47.926417][ T5135] 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 [pid 5137] close(4 [pid 5144] memfd_create("syzkaller", 0 [pid 5140] <... ioctl resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] <... memfd_create resumed>) = 3 [pid 5140] close(3) = 0 [pid 5000] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5140] mkdir("./file0", 0777 [pid 5000] <... openat resumed>) = 3 [pid 5144] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5140] <... mkdir resumed>) = 0 [pid 5137] <... close resumed>) = 0 [pid 5000] fstat(3, [pid 5140] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5137] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5137] <... futex resumed>) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5000] lstat("./7/binderfs", [pid 5133] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5137] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5133] <... futex resumed>) = 0 [pid 5000] unlink("./7/binderfs" [pid 5133] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... unlink resumed>) = 0 [pid 5000] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5137] <... openat resumed>) = 4 [pid 5137] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5137] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5137] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5137] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5133] <... futex resumed>) = 0 [pid 5137] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5133] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... openat resumed>) = 5 [pid 5137] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5133] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5133] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5137] <... mmap resumed>) = 0x20000000 [pid 5137] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5137] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5133] exit_group(0 [pid 5137] <... futex resumed>) = ? [pid 5133] <... exit_group resumed>) = ? [pid 5137] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5003] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./6/binderfs") = 0 [ 47.933424][ T5140] loop1: detected capacity change from 0 to 8192 [ 47.958377][ T5135] REISERFS (device loop4): checking transaction log (loop4) [pid 5003] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5144] 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) = 4194304 [pid 5144] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5144] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5144] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5144] close(3) = 0 [pid 5144] mkdir("./file0", 0777) = 0 [ 48.000984][ T5140] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 48.016801][ T5144] loop3: detected capacity change from 0 to 8192 [ 48.026112][ T5140] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 48.026742][ T5144] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 48.035627][ T5140] REISERFS (device loop1): using ordered data mode [ 48.048640][ T5136] REISERFS (device loop5): Using r5 hash to sort names [ 48.054781][ T5140] reiserfs: using flush barriers [ 48.067213][ T5144] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 48.078013][ T5140] 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 [ 48.084481][ T5144] REISERFS (device loop3): using ordered data mode [pid 5144] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5003] <... umount2 resumed>) = 0 [pid 5136] <... mount resumed>) = 0 [pid 5136] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5136] chdir("./file0") = 0 [pid 5136] ioctl(4, LOOP_CLR_FD) = 0 [pid 5136] close(4) = 0 [pid 5136] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5134] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... futex resumed>) = 1 [pid 5136] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5136] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5134] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... futex resumed>) = 1 [pid 5136] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5136] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5134] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... futex resumed>) = 1 [pid 5136] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5136] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5134] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5136] <... futex resumed>) = 1 [pid 5136] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5136] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5134] <... futex resumed>) = 0 [pid 5134] exit_group(0) = ? [ 48.100805][ T5144] reiserfs: using flush barriers [ 48.106508][ T5144] 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 [ 48.106581][ T5136] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 48.137960][ T5135] REISERFS (device loop4): Using r5 hash to sort names [pid 5136] <... futex resumed>) = ? [pid 5136] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5135] <... mount resumed>) = 0 [pid 5003] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = 0 [pid 5135] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5135] chdir("./file0") = 0 [pid 5135] ioctl(4, LOOP_CLR_FD) = 0 [pid 5135] close(4 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5135] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./6/file0", [pid 5000] lstat("./7/file0", [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... openat resumed>) = 3 [pid 5003] <... openat resumed>) = 4 [pid 5000] <... openat resumed>) = 4 [pid 5006] fstat(3, [pid 5003] fstat(4, [pid 5000] fstat(4, [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, [pid 5000] getdents64(4, [pid 5006] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] getdents64(4, [pid 5000] getdents64(4, [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] lstat("./7/binderfs", [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] close(4 [pid 5000] <... close resumed>) = 0 [pid 5006] unlink("./7/binderfs" [pid 5003] <... close resumed>) = 0 [pid 5000] rmdir("./7/file0" [pid 5006] <... unlink resumed>) = 0 [pid 5003] rmdir("./6/file0" [pid 5135] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] <... futex resumed>) = 0 [pid 5132] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 5132] <... futex resumed>) = 0 [pid 5132] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... rmdir resumed>) = 0 [pid 5000] getdents64(3, [pid 5006] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] getdents64(3, [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3 [pid 5003] close(3 [pid 5135] <... futex resumed>) = 1 [pid 5003] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5003] rmdir("./6" [pid 5000] rmdir("./7" [pid 5135] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5003] <... rmdir resumed>) = 0 [pid 5135] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5132] <... futex resumed>) = 0 [pid 5003] mkdir("./7", 0777 [pid 5000] <... rmdir resumed>) = 0 [pid 5135] ioctl(4, FS_IOC_GETVERSION [pid 5132] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5132] <... futex resumed>) = 0 [pid 5135] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... mkdir resumed>) = 0 [pid 5000] mkdir("./8", 0777 [pid 5135] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5132] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... openat resumed>) = 5 [pid 5132] <... futex resumed>) = 0 [pid 5135] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5132] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5135] <... mmap resumed>) = 0x20000000 [pid 5132] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5000] <... mkdir resumed>) = 0 [pid 5135] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5132] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5135] <... futex resumed>) = 0 [pid 5132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5135] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5132] exit_group(0 [pid 5135] <... futex resumed>) = ? [pid 5132] <... exit_group resumed>) = ? [pid 5135] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5003] <... openat resumed>) = 3 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5000] <... openat resumed>) = 3 [pid 5005] umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] close(3 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] close(3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 5005] getdents64(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5148 [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5147 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./6/binderfs"./strace-static-x86_64: Process 5148 attached ) = 0 [pid 5005] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5148] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5148] chdir("./8") = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5148] write(3, "1000", 4) = 4 [pid 5148] close(3) = 0 [ 48.148178][ T5135] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 48.153237][ T5140] REISERFS (device loop1): checking transaction log (loop1) [ 48.164080][ T5144] REISERFS (device loop3): checking transaction log (loop3) [pid 5148] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5148] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5148] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5148] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5149], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5149 [pid 5148] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5148] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5147 attached [pid 5147] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5147] chdir("./7") = 0 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5147] setpgid(0, 0) = 0 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5149 attached [pid 5149] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5149] memfd_create("syzkaller", 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5149] <... memfd_create resumed>) = 3 [pid 5006] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] <... openat resumed>) = 3 [pid 5147] write(3, "1000", 4) = 4 [pid 5147] close(3) = 0 [pid 5147] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5147] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5147] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5147] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5150], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5150 [pid 5147] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5147] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5150 attached [pid 5150] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5150] memfd_create("syzkaller", 0) = 3 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5006] lstat("./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, [pid 5150] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./7/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./7") = 0 [pid 5006] mkdir("./8", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5151 ./strace-static-x86_64: Process 5151 attached [pid 5149] 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 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, [pid 5151] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./6/file0") = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./6" [pid 5151] chdir("./8" [pid 5005] <... rmdir resumed>) = 0 [pid 5005] mkdir("./7", 0777 [pid 5151] <... chdir resumed>) = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5151] setpgid(0, 0) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... openat resumed>) = 3 [pid 5151] <... openat resumed>) = 3 [pid 5151] write(3, "1000", 4) = 4 [pid 5151] close(3) = 0 [pid 5151] symlink("/dev/binderfs", "./binderfs" [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5151] <... symlink resumed>) = 0 [pid 5151] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5151] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5151] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5153 ./strace-static-x86_64: Process 5153 attached [pid 5153] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5153] chdir("./7"./strace-static-x86_64: Process 5152 attached [pid 5152] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5153] <... chdir resumed>) = 0 [pid 5152] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5153] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5153] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5153] clone(child_stack=0x7f0cdca0b3f0, 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 5154 attached [pid 5151] <... clone resumed>, parent_tid=[5152], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5152 [pid 5150] 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 5153] <... clone resumed>, parent_tid=[5154], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5154 [pid 5153] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5149] <... write resumed>) = 4194304 [ 48.283098][ T5140] REISERFS (device loop1): Using r5 hash to sort names [ 48.313898][ T5144] REISERFS (device loop3): Using r5 hash to sort names [ 48.319489][ T5140] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5149] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5149] ioctl(4, LOOP_SET_FD, 3 [pid 5154] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5151] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5151] <... futex resumed>) = 1 [pid 5152] <... futex resumed>) = 0 [pid 5151] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5154] memfd_create("syzkaller", 0) = 3 [pid 5152] memfd_create("syzkaller", 0 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5152] <... memfd_create resumed>) = 3 [pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5149] <... ioctl resumed>) = 0 [pid 5149] close(3) = 0 [pid 5149] mkdir("./file0", 0777) = 0 [pid 5149] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5140] <... mount resumed>) = 0 [pid 5140] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5140] chdir("./file0") = 0 [pid 5140] ioctl(4, LOOP_CLR_FD) = 0 [pid 5140] close(4 [pid 5154] 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 5152] 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 5150] <... write resumed>) = 4194304 [pid 5144] <... mount resumed>) = 0 [pid 5140] <... close resumed>) = 0 [ 48.323301][ T5144] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 48.334883][ T5149] loop0: detected capacity change from 0 to 8192 [pid 5150] munmap(0x7f0cd45eb000, 4194304 [pid 5154] <... write resumed>) = 4194304 [pid 5150] <... munmap resumed>) = 0 [pid 5144] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5140] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5144] <... openat resumed>) = 3 [pid 5140] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5139] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5139] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] ioctl(4, LOOP_SET_FD, 3 [pid 5144] chdir("./file0" [pid 5150] <... ioctl resumed>) = 0 [pid 5144] <... chdir resumed>) = 0 [pid 5140] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5144] ioctl(4, LOOP_CLR_FD [pid 5150] close(3 [pid 5144] <... ioctl resumed>) = 0 [pid 5140] <... openat resumed>) = 4 [pid 5144] close(4 [pid 5154] munmap(0x7f0cd45eb000, 4194304 [pid 5152] <... write resumed>) = 4194304 [pid 5150] <... close resumed>) = 0 [pid 5144] <... close resumed>) = 0 [pid 5140] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... munmap resumed>) = 0 [pid 5154] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5152] munmap(0x7f0cd45eb000, 4194304 [pid 5150] mkdir("./file0", 0777 [pid 5144] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5154] <... openat resumed>) = 4 [pid 5139] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] ioctl(4, LOOP_SET_FD, 3 [pid 5139] <... futex resumed>) = 0 [ 48.374460][ T5149] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 48.389249][ T5150] loop2: detected capacity change from 0 to 8192 [ 48.392028][ T5149] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 48.405516][ T5149] REISERFS (device loop0): using ordered data mode [ 48.415039][ T5149] reiserfs: using flush barriers [pid 5152] <... munmap resumed>) = 0 [pid 5150] <... mkdir resumed>) = 0 [pid 5144] <... futex resumed>) = 1 [pid 5140] ioctl(4, FS_IOC_GETVERSION [pid 5139] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5150] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5144] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5140] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5152] <... openat resumed>) = 4 [pid 5140] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] ioctl(4, LOOP_SET_FD, 3 [pid 5140] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = 0 [pid 5140] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5143] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5143] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5139] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... ioctl resumed>) = 0 [pid 5152] <... ioctl resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5140] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5144] <... openat resumed>) = 4 [pid 5140] <... openat resumed>) = 5 [pid 5140] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = 1 [pid 5139] <... futex resumed>) = 0 [pid 5144] <... futex resumed>) = 1 [pid 5143] <... futex resumed>) = 0 [pid 5140] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5139] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5144] ioctl(4, FS_IOC_GETVERSION [pid 5143] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... mmap resumed>) = 0x20000000 [pid 5139] <... futex resumed>) = 0 [pid 5144] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5143] <... futex resumed>) = 0 [pid 5140] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5139] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5140] <... futex resumed>) = 0 [pid 5139] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 48.421412][ T5154] loop4: detected capacity change from 0 to 8192 [ 48.423375][ T5152] loop5: detected capacity change from 0 to 8192 [ 48.429446][ T5149] 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 [ 48.439521][ T5150] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 48.451578][ T5149] REISERFS (device loop0): checking transaction log (loop0) [pid 5144] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5140] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5139] exit_group(0 [pid 5144] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5143] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5140] <... futex resumed>) = ? [pid 5139] <... exit_group resumed>) = ? [pid 5144] <... openat resumed>) = 5 [pid 5143] <... futex resumed>) = 0 [pid 5140] +++ exited with 0 +++ [pid 5139] +++ exited with 0 +++ [pid 5144] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5144] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5144] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5143] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5144] <... mmap resumed>) = 0x20000000 [pid 5143] <... futex resumed>) = 0 [pid 5144] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5143] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... restart_syscall resumed>) = 0 [pid 5144] <... futex resumed>) = 0 [pid 5143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5144] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5143] exit_group(0) = ? [pid 5002] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./7/binderfs") = 0 [pid 5144] <... futex resumed>) = ? [pid 5144] +++ exited with 0 +++ [pid 5143] +++ exited with 0 +++ [pid 5002] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5004] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./7/binderfs" [pid 5152] close(3 [pid 5004] <... unlink resumed>) = 0 [pid 5154] close(3 [pid 5152] <... close resumed>) = 0 [pid 5004] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5154] <... close resumed>) = 0 [pid 5152] mkdir("./file0", 0777 [pid 5154] mkdir("./file0", 0777 [pid 5152] <... mkdir resumed>) = 0 [pid 5154] <... mkdir resumed>) = 0 [pid 5152] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [ 48.463221][ T5150] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 48.480274][ T5150] REISERFS (device loop2): using ordered data mode [ 48.487403][ T5150] reiserfs: using flush barriers [ 48.493617][ T5152] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 48.494177][ T5150] 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 [ 48.507066][ T5154] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 48.522815][ T5150] REISERFS (device loop2): checking transaction log (loop2) [ 48.544906][ T5152] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 48.554232][ T5152] REISERFS (device loop5): using ordered data mode [ 48.560783][ T5152] reiserfs: using flush barriers [ 48.566387][ T5154] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5154] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5002] <... umount2 resumed>) = 0 [ 48.575523][ T5152] 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 [ 48.610114][ T5154] REISERFS (device loop4): using ordered data mode [ 48.618449][ T5152] REISERFS (device loop5): checking transaction log (loop5) [pid 5002] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./7/file0") = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./7") = 0 [pid 5002] mkdir("./8", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5159 [pid 5004] <... openat resumed>) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [ 48.627650][ T5154] reiserfs: using flush barriers [ 48.638890][ T5154] 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 [ 48.653475][ T5149] REISERFS (device loop0): Using r5 hash to sort names [ 48.656744][ T5154] REISERFS (device loop4): checking transaction log (loop4) [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./7/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./7") = 0 [pid 5004] mkdir("./8", 0777) = 0 ./strace-static-x86_64: Process 5159 attached [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3 [pid 5159] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5004] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5159] chdir("./8") = 0 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5159] setpgid(0, 0) = 0 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5160 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5159] write(3, "1000", 4) = 4 [pid 5159] close(3) = 0 [pid 5159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5159] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5159] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5160 attached ) = 0 [ 48.694841][ T5152] REISERFS (device loop5): Using r5 hash to sort names [ 48.700493][ T5150] REISERFS (device loop2): Using r5 hash to sort names [ 48.703328][ T5152] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 48.728787][ T5149] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5159] clone(child_stack=0x7f0cdca0b3f0, 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 5161 attached [pid 5152] <... mount resumed>) = 0 [pid 5160] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5160] chdir("./8") = 0 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5160] setpgid(0, 0) = 0 [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5160] write(3, "1000", 4) = 4 [pid 5160] close(3) = 0 [pid 5160] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5160] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5160] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5160] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5161] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5160] <... mprotect resumed>) = 0 [pid 5159] <... clone resumed>, parent_tid=[5161], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5161 [pid 5152] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5150] <... mount resumed>) = 0 [pid 5161] <... set_robust_list resumed>) = 0 [pid 5159] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... mount resumed>) = 0 [pid 5152] <... openat resumed>) = 3 [pid 5150] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5161] memfd_create("syzkaller", 0 [pid 5159] <... futex resumed>) = 0 [pid 5152] chdir("./file0" [pid 5150] <... openat resumed>) = 3 [pid 5161] <... memfd_create resumed>) = 3 [pid 5159] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5150] chdir("./file0" [pid 5152] <... chdir resumed>) = 0 [pid 5150] <... chdir resumed>) = 0 [pid 5152] ioctl(4, LOOP_CLR_FD [pid 5161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5150] ioctl(4, LOOP_CLR_FD [pid 5149] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5152] <... ioctl resumed>) = 0 [pid 5150] <... ioctl resumed>) = 0 [pid 5161] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5152] close(4 [pid 5150] close(4 [pid 5149] <... openat resumed>) = 3 [pid 5160] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5162], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5162 [pid 5160] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5160] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5162 attached [pid 5152] <... close resumed>) = 0 [pid 5150] <... close resumed>) = 0 [pid 5149] chdir("./file0" [pid 5152] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... chdir resumed>) = 0 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 1 [pid 5149] ioctl(4, LOOP_CLR_FD [pid 5152] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] <... ioctl resumed>) = 0 [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5149] close(4 [pid 5161] 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 5152] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5151] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5149] <... close resumed>) = 0 [pid 5152] <... openat resumed>) = 4 [pid 5149] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = 0 [pid 5152] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5147] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = 0 [pid 5149] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] <... futex resumed>) = 1 [pid 5152] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5147] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5150] <... openat resumed>) = 4 [pid 5149] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5148] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] ioctl(4, FS_IOC_GETVERSION [pid 5151] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5150] <... futex resumed>) = 1 [pid 5149] <... openat resumed>) = 4 [pid 5147] <... futex resumed>) = 0 [pid 5152] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5152] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] ioctl(4, FS_IOC_GETVERSION [pid 5149] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5150] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5152] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5151] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] ioctl(4, FS_IOC_GETVERSION [pid 5148] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] <... openat resumed>) = 5 [pid 5150] <... futex resumed>) = 1 [pid 5149] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5147] <... futex resumed>) = 0 [pid 5152] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5149] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5152] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5149] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5151] <... futex resumed>) = 0 [pid 5150] <... openat resumed>) = 5 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5152] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5151] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5148] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5152] <... mmap resumed>) = 0x20000000 [pid 5150] <... futex resumed>) = 1 [pid 5147] <... futex resumed>) = 0 [pid 5147] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] <... openat resumed>) = 5 [pid 5147] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5152] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5150] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5149] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5162] memfd_create("syzkaller", 0) = 3 [pid 5152] <... futex resumed>) = 1 [pid 5151] <... futex resumed>) = 0 [pid 5150] <... mmap resumed>) = 0x20000000 [pid 5149] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5152] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5151] exit_group(0 [pid 5150] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5152] <... futex resumed>) = ? [pid 5151] <... exit_group resumed>) = ? [pid 5150] <... futex resumed>) = 1 [pid 5149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5148] <... futex resumed>) = 0 [pid 5147] <... futex resumed>) = 0 [pid 5161] <... write resumed>) = 4194304 [pid 5152] +++ exited with 0 +++ [pid 5151] +++ exited with 0 +++ [pid 5150] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5149] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5148] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5147] exit_group(0 [pid 5161] munmap(0x7f0cd45eb000, 4194304 [pid 5150] <... futex resumed>) = ? [pid 5149] <... mmap resumed>) = 0x20000000 [pid 5147] <... exit_group resumed>) = ? [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5161] <... munmap resumed>) = 0 [pid 5150] +++ exited with 0 +++ [pid 5149] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5147] +++ exited with 0 +++ [pid 5161] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5149] <... futex resumed>) = 1 [pid 5148] <... futex resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5161] <... openat resumed>) = 4 [pid 5149] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5148] exit_group(0 [pid 5006] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5149] <... futex resumed>) = ? [pid 5148] <... exit_group resumed>) = ? [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] +++ exited with 0 +++ [pid 5148] +++ exited with 0 +++ [pid 5161] ioctl(4, LOOP_SET_FD, 3 [pid 5006] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [ 48.730800][ T5150] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 48.759558][ T5154] REISERFS (device loop4): Using r5 hash to sort names [pid 5006] fstat(3, [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... restart_syscall resumed>) = 0 [pid 5006] getdents64(3, [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] <... openat resumed>) = 3 [pid 5000] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] lstat("./8/binderfs", [pid 5003] fstat(3, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] unlink("./8/binderfs" [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] <... openat resumed>) = 3 [pid 5006] <... unlink resumed>) = 0 [pid 5003] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] fstat(3, [pid 5006] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] lstat("./7/binderfs", [pid 5000] getdents64(3, [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5162] 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 5161] <... ioctl resumed>) = 0 [pid 5003] unlink("./7/binderfs" [pid 5000] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5161] close(3 [pid 5154] <... mount resumed>) = 0 [pid 5161] <... close resumed>) = 0 [pid 5154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5003] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] mkdir("./file0", 0777 [pid 5003] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] lstat("./8/binderfs", [pid 5161] <... mkdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5161] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5154] <... openat resumed>) = 3 [pid 5000] unlink("./8/binderfs" [pid 5154] chdir("./file0" [pid 5000] <... unlink resumed>) = 0 [pid 5154] <... chdir resumed>) = 0 [pid 5000] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5154] ioctl(4, LOOP_CLR_FD) = 0 [pid 5154] close(4) = 0 [pid 5154] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5154] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5153] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5154] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5154] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5154] ioctl(4, FS_IOC_GETVERSION [pid 5153] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5154] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5154] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5154] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5153] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... openat resumed>) = 5 [pid 5154] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5154] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5153] <... futex resumed>) = 0 [pid 5154] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5153] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... mmap resumed>) = 0x20000000 [pid 5154] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5153] <... futex resumed>) = 0 [pid 5154] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5153] exit_group(0 [pid 5154] <... futex resumed>) = ? [pid 5153] <... exit_group resumed>) = ? [pid 5154] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 5000] <... umount2 resumed>) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5000] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./8/file0", [pid 5005] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5000] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./7/binderfs", [pid 5000] <... openat resumed>) = 4 [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 48.800725][ T5161] loop1: detected capacity change from 0 to 8192 [ 48.810187][ T5154] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5005] unlink("./7/binderfs" [pid 5162] <... write resumed>) = 4194304 [pid 5005] <... unlink resumed>) = 0 [pid 5000] fstat(4, [pid 5162] munmap(0x7f0cd45eb000, 4194304 [pid 5005] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5162] <... munmap resumed>) = 0 [pid 5162] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5162] ioctl(4, LOOP_SET_FD, 3 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] <... umount2 resumed>) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./8/file0" [pid 5006] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] <... rmdir resumed>) = 0 [pid 5006] lstat("./8/file0", [pid 5000] getdents64(3, [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] close(3 [pid 5006] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... close resumed>) = 0 [pid 5006] <... openat resumed>) = 4 [pid 5000] rmdir("./8" [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, [pid 5000] <... rmdir resumed>) = 0 [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4 [pid 5000] mkdir("./9", 0777) = 0 [pid 5006] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5006] rmdir("./8/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./8") = 0 [pid 5006] mkdir("./9", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 48.861127][ T5161] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 48.867876][ T5162] loop3: detected capacity change from 0 to 8192 [ 48.881380][ T5161] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5006] close(3 [pid 5003] <... umount2 resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./7/file0", [pid 5006] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5164 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5164 attached [pid 5005] <... umount2 resumed>) = 0 [pid 5003] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5162] <... ioctl resumed>) = 0 [pid 5162] close(3) = 0 [pid 5162] mkdir("./file0", 0777) = 0 [pid 5162] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5003] <... openat resumed>) = 4 [pid 5000] <... openat resumed>) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5003] fstat(4, [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5164] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] close(3 [pid 5164] chdir("./9" [pid 5005] lstat("./7/file0", [pid 5164] <... chdir resumed>) = 0 [pid 5003] getdents64(4, [pid 5000] <... close resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5164] <... prctl resumed>) = 0 [ 48.922650][ T5161] REISERFS (device loop1): using ordered data mode [ 48.932359][ T5161] reiserfs: using flush barriers [ 48.940121][ T5161] 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 [ 48.957575][ T5162] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5164] setpgid(0, 0./strace-static-x86_64: Process 5166 attached ) = 0 [pid 5005] umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] getdents64(4, [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5166 [pid 5166] set_robust_list(0x555555cac5e0, 24 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... close resumed>) = 0 [pid 5164] <... openat resumed>) = 3 [pid 5005] <... openat resumed>) = 4 [pid 5003] rmdir("./7/file0" [pid 5166] chdir("./9" [pid 5005] fstat(4, [pid 5003] <... rmdir resumed>) = 0 [pid 5166] <... chdir resumed>) = 0 [pid 5164] write(3, "1000", 4 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... write resumed>) = 4 [pid 5005] getdents64(4, [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5166] <... prctl resumed>) = 0 [pid 5164] close(3 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5166] setpgid(0, 0 [pid 5164] <... close resumed>) = 0 [pid 5003] close(3 [pid 5164] symlink("/dev/binderfs", "./binderfs" [pid 5005] getdents64(4, [pid 5166] <... setpgid resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5164] <... symlink resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] rmdir("./7" [pid 5164] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(4 [pid 5166] <... openat resumed>) = 3 [pid 5003] <... rmdir resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5164] <... futex resumed>) = 0 [pid 5003] mkdir("./8", 0777 [pid 5005] rmdir("./7/file0" [pid 5166] write(3, "1000", 4 [pid 5164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5003] <... mkdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5164] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5166] <... write resumed>) = 4 [pid 5164] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5005] getdents64(3, [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5166] close(3 [pid 5164] <... mprotect resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5166] <... close resumed>) = 0 [pid 5005] close(3 [pid 5166] symlink("/dev/binderfs", "./binderfs" [pid 5003] <... openat resumed>) = 3 [pid 5005] <... close resumed>) = 0 [pid 5166] <... symlink resumed>) = 0 [pid 5005] rmdir("./7" [pid 5164] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5166] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5005] mkdir("./8", 0777 [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5166] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5005] <... mkdir resumed>) = 0 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5166] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5164] <... clone resumed>, parent_tid=[5167], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5167 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5003] close(3 [pid 5166] <... mprotect resumed>) = 0 [pid 5003] <... close resumed>) = 0 [pid 5164] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5166] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5164] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5164] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5166] <... clone resumed>, parent_tid=[5168], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5168 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5169 [pid 5166] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(3 [pid 5166] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5166] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5170 [ 48.962830][ T5161] REISERFS (device loop1): checking transaction log (loop1) [ 48.970885][ T5162] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 48.988880][ T5162] REISERFS (device loop3): using ordered data mode [ 48.996638][ T5162] reiserfs: using flush barriers ./strace-static-x86_64: Process 5170 attached ./strace-static-x86_64: Process 5169 attached ./strace-static-x86_64: Process 5168 attached ./strace-static-x86_64: Process 5167 attached [pid 5167] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5167] memfd_create("syzkaller", 0) = 3 [pid 5167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5168] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5168] memfd_create("syzkaller", 0) = 3 [pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5169] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5169] chdir("./8") = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5169] setpgid(0, 0) = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5169] write(3, "1000", 4) = 4 [pid 5169] close(3) = 0 [pid 5169] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5169] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5169] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5169] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5171], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5171 [pid 5169] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5171 attached [pid 5171] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5171] memfd_create("syzkaller", 0) = 3 [pid 5171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5170] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5170] chdir("./8") = 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5170] setpgid(0, 0) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5170] write(3, "1000", 4) = 4 [pid 5170] close(3) = 0 [pid 5170] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5170] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5170] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5170] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5171] 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./strace-static-x86_64: Process 5172 attached [pid 5172] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5172] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5170] <... clone resumed>, parent_tid=[5172], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5172 [pid 5170] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5172] memfd_create("syzkaller", 0) = 3 [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5171] <... write resumed>) = 4194304 [pid 5171] munmap(0x7f0cd45eb000, 4194304 [pid 5170] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5171] <... munmap resumed>) = 0 [pid 5171] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 49.009620][ T5162] 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 [ 49.027399][ T5162] REISERFS (device loop3): checking transaction log (loop3) [ 49.055884][ T5161] REISERFS (device loop1): Using r5 hash to sort names [pid 5171] ioctl(4, LOOP_SET_FD, 3 [pid 5167] 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 5171] <... ioctl resumed>) = 0 [pid 5171] close(3) = 0 [pid 5171] mkdir("./file0", 0777) = 0 [pid 5171] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5161] <... mount resumed>) = 0 [pid 5161] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5161] chdir("./file0") = 0 [pid 5161] ioctl(4, LOOP_CLR_FD) = 0 [pid 5161] close(4) = 0 [pid 5161] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5159] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5159] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... futex resumed>) = 1 [pid 5161] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5161] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5159] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5159] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... futex resumed>) = 1 [pid 5161] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5161] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5159] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5159] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... futex resumed>) = 1 [pid 5161] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5161] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5159] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5159] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5161] <... futex resumed>) = 1 [pid 5161] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5161] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5159] <... futex resumed>) = 0 [pid 5159] exit_group(0) = ? [pid 5161] <... futex resumed>) = ? [pid 5161] +++ exited with 0 +++ [pid 5159] +++ exited with 0 +++ [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5002] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./8/binderfs") = 0 [pid 5002] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5168] 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 [ 49.078630][ T5171] loop2: detected capacity change from 0 to 8192 [ 49.087906][ T5171] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.087934][ T5161] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5172] 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 5167] <... write resumed>) = 4194304 [pid 5167] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5167] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5167] ioctl(4, LOOP_SET_FD, 3 [pid 5002] <... umount2 resumed>) = 0 [pid 5172] <... write resumed>) = 4194304 [pid 5002] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4 [pid 5172] munmap(0x7f0cd45eb000, 4194304 [pid 5002] <... close resumed>) = 0 [pid 5172] <... munmap resumed>) = 0 [ 49.155142][ T5171] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 49.189919][ T5167] loop5: detected capacity change from 0 to 8192 [ 49.190850][ T5162] REISERFS (device loop3): Using r5 hash to sort names [pid 5002] rmdir("./8/file0" [pid 5172] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5172] ioctl(4, LOOP_SET_FD, 3 [pid 5168] <... write resumed>) = 4194304 [pid 5002] <... rmdir resumed>) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./8") = 0 [pid 5002] mkdir("./9", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3 [pid 5168] munmap(0x7f0cd45eb000, 4194304 [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5174 [pid 5167] <... ioctl resumed>) = 0 [pid 5167] close(3) = 0 [pid 5167] mkdir("./file0", 0777) = 0 [pid 5167] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, ""./strace-static-x86_64: Process 5174 attached [pid 5174] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5174] chdir("./9" [pid 5168] <... munmap resumed>) = 0 [pid 5168] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5174] <... chdir resumed>) = 0 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5174] setpgid(0, 0) = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5174] write(3, "1000", 4) = 4 [pid 5174] close(3) = 0 [pid 5174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5174] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5174] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5174] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5176], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5176 [pid 5174] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5174] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5172] <... ioctl resumed>) = 0 [pid 5172] close(3) = 0 [pid 5172] mkdir("./file0", 0777) = 0 [pid 5172] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, ""./strace-static-x86_64: Process 5176 attached [pid 5176] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5176] memfd_create("syzkaller", 0) = 3 [pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5168] close(3) = 0 [ 49.203544][ T5171] REISERFS (device loop2): using ordered data mode [ 49.207734][ T5172] loop4: detected capacity change from 0 to 8192 [ 49.211764][ T5171] reiserfs: using flush barriers [ 49.222423][ T5162] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 49.232683][ T5171] 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 [ 49.249065][ T5168] loop0: detected capacity change from 0 to 8192 [pid 5168] mkdir("./file0", 0777 [pid 5162] <... mount resumed>) = 0 [pid 5168] <... mkdir resumed>) = 0 [pid 5162] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5168] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5162] <... openat resumed>) = 3 [pid 5162] chdir("./file0") = 0 [pid 5162] ioctl(4, LOOP_CLR_FD) = 0 [pid 5162] close(4) = 0 [pid 5162] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5162] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = 0 [pid 5162] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5160] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] 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 5162] <... openat resumed>) = 4 [ 49.256141][ T5171] REISERFS (device loop2): checking transaction log (loop2) [ 49.256185][ T5167] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.285102][ T5168] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5162] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5162] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = 0 [pid 5162] ioctl(4, FS_IOC_GETVERSION [pid 5160] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5162] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5162] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = 0 [pid 5162] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5160] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... openat resumed>) = 5 [pid 5162] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5162] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5160] <... futex resumed>) = 0 [pid 5162] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5160] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... mmap resumed>) = 0x20000000 [pid 5162] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5160] <... futex resumed>) = 0 [pid 5162] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5160] exit_group(0 [pid 5162] <... futex resumed>) = ? [pid 5160] <... exit_group resumed>) = ? [pid 5162] +++ exited with 0 +++ [pid 5160] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5004] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./8/binderfs") = 0 [ 49.290249][ T5167] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 49.307379][ T5167] REISERFS (device loop5): using ordered data mode [ 49.313871][ T5167] reiserfs: using flush barriers [ 49.322556][ T5168] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 49.327886][ T5172] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.331721][ T5168] REISERFS (device loop0): using ordered data mode [pid 5004] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5176] <... write resumed>) = 4194304 [pid 5176] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5176] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 49.346972][ T5167] 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 [ 49.351121][ T5168] reiserfs: using flush barriers [ 49.373105][ T5168] 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 [ 49.391725][ T5172] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5176] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5176] close(3) = 0 [pid 5176] mkdir("./file0", 0777) = 0 [pid 5176] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 49.404685][ T5176] loop1: detected capacity change from 0 to 8192 [ 49.412126][ T5168] REISERFS (device loop0): checking transaction log (loop0) [ 49.417567][ T5171] REISERFS (device loop2): Using r5 hash to sort names [ 49.419476][ T5172] REISERFS (device loop4): using ordered data mode [ 49.439452][ T5172] reiserfs: using flush barriers [ 49.439994][ T5176] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5004] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./8/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./8") = 0 [pid 5004] mkdir("./9", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5180 ./strace-static-x86_64: Process 5180 attached [pid 5180] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5180] chdir("./9") = 0 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5180] setpgid(0, 0) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5180] write(3, "1000", 4) = 4 [pid 5180] close(3) = 0 [pid 5180] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5180] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5180] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5180] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5181], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5181 [pid 5180] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 49.445758][ T5167] REISERFS (device loop5): checking transaction log (loop5) [ 49.464685][ T5172] 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 [ 49.494779][ T5171] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5180] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5181 attached [pid 5181] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5181] memfd_create("syzkaller", 0) = 3 [pid 5181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5171] <... mount resumed>) = 0 [pid 5171] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 49.508479][ T5176] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 49.510161][ T5172] REISERFS (device loop4): checking transaction log (loop4) [ 49.518741][ T5176] REISERFS (device loop1): using ordered data mode [ 49.526401][ T5168] REISERFS (device loop0): Using r5 hash to sort names [ 49.531985][ T5176] reiserfs: using flush barriers [pid 5171] chdir("./file0") = 0 [pid 5171] ioctl(4, LOOP_CLR_FD) = 0 [pid 5171] close(4) = 0 [pid 5171] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 1 [pid 5171] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5171] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 1 [pid 5171] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5171] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 1 [pid 5171] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5171] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5171] <... futex resumed>) = 1 [pid 5171] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5171] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5169] <... futex resumed>) = 0 [pid 5169] exit_group(0) = ? [pid 5171] <... futex resumed>) = ? [pid 5171] +++ exited with 0 +++ [pid 5169] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5003] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./8/binderfs" [pid 5181] 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 5003] <... unlink resumed>) = 0 [pid 5003] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5168] <... mount resumed>) = 0 [pid 5168] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5168] chdir("./file0") = 0 [pid 5168] ioctl(4, LOOP_CLR_FD) = 0 [ 49.546667][ T5176] 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 [ 49.567216][ T5168] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 49.585299][ T5167] REISERFS (device loop5): Using r5 hash to sort names [pid 5168] close(4) = 0 [pid 5168] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5168] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5168] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5166] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... openat resumed>) = 4 [pid 5168] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5168] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5168] ioctl(4, FS_IOC_GETVERSION [pid 5166] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5168] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5168] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5168] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5166] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... openat resumed>) = 5 [pid 5168] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5168] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5166] <... futex resumed>) = 0 [pid 5168] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5166] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5168] <... mmap resumed>) = 0x20000000 [pid 5168] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5166] <... futex resumed>) = 0 [pid 5168] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5166] exit_group(0 [pid 5168] <... futex resumed>) = ? [pid 5166] <... exit_group resumed>) = ? [pid 5168] +++ exited with 0 +++ [pid 5166] +++ exited with 0 +++ [pid 5181] <... write resumed>) = 4194304 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5181] munmap(0x7f0cd45eb000, 4194304 [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5181] <... munmap resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5181] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5000] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5181] <... openat resumed>) = 4 [pid 5000] <... openat resumed>) = 3 [pid 5181] ioctl(4, LOOP_SET_FD, 3 [pid 5167] <... mount resumed>) = 0 [pid 5000] fstat(3, [pid 5167] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5167] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 5167] chdir("./file0" [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5167] <... chdir resumed>) = 0 [pid 5000] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] ioctl(4, LOOP_CLR_FD [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] <... ioctl resumed>) = 0 [pid 5000] lstat("./9/binderfs", [pid 5167] close(4 [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./9/binderfs") = 0 [pid 5000] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] <... close resumed>) = 0 [pid 5167] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... openat resumed>) = 4 [pid 5167] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5167] ioctl(4, FS_IOC_GETVERSION [pid 5164] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5164] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5167] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5167] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5164] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5167] <... openat resumed>) = 5 [pid 5164] <... futex resumed>) = 0 [pid 5164] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5167] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5164] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5164] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5167] <... futex resumed>) = 0 [pid 5167] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5164] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5167] <... mmap resumed>) = 0x20000000 [pid 5167] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5164] <... futex resumed>) = 0 [pid 5167] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5164] exit_group(0 [pid 5167] <... futex resumed>) = ? [pid 5164] <... exit_group resumed>) = ? [pid 5167] +++ exited with 0 +++ [pid 5164] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [ 49.613768][ T5167] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 49.644010][ T5181] loop3: detected capacity change from 0 to 8192 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4) = 0 [pid 5003] rmdir("./8/file0") = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5181] <... ioctl resumed>) = 0 [pid 5006] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5181] close(3 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] close(3) = 0 [pid 5003] rmdir("./8") = 0 [pid 5003] mkdir("./9", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5182 [pid 5006] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5181] <... close resumed>) = 0 [pid 5181] mkdir("./file0", 0777 [pid 5006] unlink("./9/binderfs" [pid 5181] <... mkdir resumed>) = 0 [pid 5181] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5006] <... unlink resumed>) = 0 [pid 5006] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5172] <... mount resumed>) = 0 [pid 5172] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5172] chdir("./file0") = 0 [pid 5172] ioctl(4, LOOP_CLR_FD) = 0 [pid 5172] close(4) = 0 [pid 5172] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5172] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5182 attached [pid 5182] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5182] chdir("./9") = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5182] setpgid(0, 0) = 0 [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 49.676262][ T5172] REISERFS (device loop4): Using r5 hash to sort names [ 49.681974][ T5176] REISERFS (device loop1): checking transaction log (loop1) [ 49.691228][ T5172] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5182] write(3, "1000", 4) = 4 [pid 5170] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 5170] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5170] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5172] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5172] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] close(3) = 0 [pid 5182] symlink("/dev/binderfs", "./binderfs" [pid 5170] <... futex resumed>) = 0 [pid 5170] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5172] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5170] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5172] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] <... symlink resumed>) = 0 [pid 5182] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5182] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5182] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5184], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5184 [pid 5182] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5182] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 5184 attached [pid 5170] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5184] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5172] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5172] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5172] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] rmdir("./9/file0") = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5170] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] memfd_create("syzkaller", 0 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5184] <... memfd_create resumed>) = 3 [pid 5170] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5172] <... futex resumed>) = 0 [pid 5170] <... futex resumed>) = 1 [pid 5172] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5184] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5172] <... mmap resumed>) = 0x20000000 [pid 5170] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5172] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5172] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5000] rmdir("./9") = 0 [pid 5000] mkdir("./10", 0777) = 0 [pid 5170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5170] exit_group(0 [pid 5172] <... futex resumed>) = ? [pid 5170] <... exit_group resumed>) = ? [pid 5172] +++ exited with 0 +++ [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5170] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 3 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5005] restart_syscall(<... resuming interrupted clone ...> [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5005] <... restart_syscall resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5005] umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] close(3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... close resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5005] fstat(3, [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5185 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./8/binderfs") = 0 [ 49.714419][ T5181] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.737313][ T5181] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 49.746974][ T5181] REISERFS (device loop3): using ordered data mode [ 49.753674][ T5181] reiserfs: using flush barriers [pid 5005] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5184] 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./strace-static-x86_64: Process 5185 attached [pid 5185] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5185] chdir("./10") = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5185] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5185] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5185] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5186], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5186 [pid 5185] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5186 attached [pid 5186] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5186] memfd_create("syzkaller", 0) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [ 49.772700][ T5181] 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 [ 49.816722][ T5181] REISERFS (device loop3): checking transaction log (loop3) [pid 5006] <... umount2 resumed>) = 0 [pid 5006] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./9/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./9") = 0 [pid 5006] mkdir("./10", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5187 ./strace-static-x86_64: Process 5187 attached [pid 5187] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5187] chdir("./10") = 0 [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5187] setpgid(0, 0) = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5187] write(3, "1000", 4) = 4 [pid 5187] close(3) = 0 [pid 5187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5187] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5187] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5187] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5188], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5188 [pid 5187] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5187] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5188 attached [pid 5188] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5188] memfd_create("syzkaller", 0) = 3 [pid 5188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5184] <... write resumed>) = 4194304 [ 49.829413][ T5176] REISERFS (device loop1): Using r5 hash to sort names [ 49.866424][ T5181] REISERFS (device loop3): Using r5 hash to sort names [pid 5184] munmap(0x7f0cd45eb000, 4194304 [pid 5005] <... umount2 resumed>) = 0 [pid 5184] <... munmap resumed>) = 0 [pid 5184] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5184] ioctl(4, LOOP_SET_FD, 3 [pid 5188] 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 5184] <... ioctl resumed>) = 0 [pid 5184] close(3) = 0 [pid 5184] mkdir("./file0", 0777) = 0 [pid 5184] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5181] <... mount resumed>) = 0 [pid 5181] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5181] chdir("./file0") = 0 [pid 5181] ioctl(4, LOOP_CLR_FD) = 0 [pid 5181] close(4) = 0 [pid 5181] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 0 [pid 5180] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] <... futex resumed>) = 1 [pid 5181] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5181] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 0 [pid 5180] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] <... futex resumed>) = 1 [pid 5181] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5181] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 0 [pid 5180] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] <... futex resumed>) = 1 [pid 5181] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5181] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 0 [pid 5180] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5180] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5181] <... futex resumed>) = 1 [pid 5181] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5181] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5180] <... futex resumed>) = 0 [pid 5180] exit_group(0) = ? [pid 5181] <... futex resumed>) = ? [pid 5181] +++ exited with 0 +++ [pid 5180] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5004] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5005] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 49.873690][ T5181] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 49.884710][ T5184] loop2: detected capacity change from 0 to 8192 [ 49.898582][ T5184] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 49.901523][ T5176] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 49.911797][ T5184] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5004] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5186] 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 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./8/file0", [pid 5004] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] fstat(3, [pid 5188] <... write resumed>) = 4194304 [pid 5005] openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5004] getdents64(3, [pid 5005] fstat(4, [pid 5004] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] getdents64(4, [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] lstat("./9/binderfs", [pid 5005] getdents64(4, [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] unlink("./9/binderfs" [pid 5005] close(4 [pid 5004] <... unlink resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5004] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] rmdir("./8/file0") = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./8") = 0 [pid 5005] mkdir("./9", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3 [pid 5188] munmap(0x7f0cd45eb000, 4194304 [pid 5186] <... write resumed>) = 4194304 [pid 5176] <... mount resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5188] <... munmap resumed>) = 0 [pid 5186] munmap(0x7f0cd45eb000, 4194304 [pid 5176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5186] <... munmap resumed>) = 0 [pid 5176] <... openat resumed>) = 3 [pid 5188] <... openat resumed>) = 4 [pid 5186] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5176] chdir("./file0" [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5190 ./strace-static-x86_64: Process 5190 attached [pid 5188] ioctl(4, LOOP_SET_FD, 3 [pid 5186] <... openat resumed>) = 4 [pid 5176] <... chdir resumed>) = 0 [ 49.930643][ T5184] REISERFS (device loop2): using ordered data mode [ 49.937557][ T5184] reiserfs: using flush barriers [ 49.944070][ T5184] 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 [ 49.961014][ T5184] REISERFS (device loop2): checking transaction log (loop2) [pid 5190] set_robust_list(0x555555cac5e0, 24 [pid 5188] <... ioctl resumed>) = 0 [pid 5186] ioctl(4, LOOP_SET_FD, 3 [pid 5176] ioctl(4, LOOP_CLR_FD [pid 5190] <... set_robust_list resumed>) = 0 [pid 5188] close(3 [pid 5186] <... ioctl resumed>) = 0 [pid 5176] <... ioctl resumed>) = 0 [pid 5190] chdir("./9" [pid 5188] <... close resumed>) = 0 [pid 5176] close(4 [pid 5190] <... chdir resumed>) = 0 [pid 5188] mkdir("./file0", 0777 [pid 5186] close(3 [pid 5176] <... close resumed>) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] <... mkdir resumed>) = 0 [pid 5176] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] <... prctl resumed>) = 0 [pid 5186] <... close resumed>) = 0 [pid 5004] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5188] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5176] <... futex resumed>) = 1 [pid 5176] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] setpgid(0, 0) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5190] write(3, "1000", 4) = 4 [pid 5190] close(3) = 0 [pid 5190] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5190] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5190] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5190] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5190] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5174] <... futex resumed>) = 0 [pid 5190] <... clone resumed>, parent_tid=[5191], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5191 [pid 5186] mkdir("./file0", 0777 [pid 5174] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5191 attached [pid 5186] <... mkdir resumed>) = 0 [pid 5184] <... mount resumed>) = 0 [pid 5174] <... futex resumed>) = 1 [pid 5004] lstat("./9/file0", [pid 5186] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5174] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5191] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5184] <... openat resumed>) = 3 [pid 5004] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5191] <... set_robust_list resumed>) = 0 [pid 5184] chdir("./file0" [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5191] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5184] <... chdir resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5184] ioctl(4, LOOP_CLR_FD [pid 5004] <... openat resumed>) = 4 [pid 5184] <... ioctl resumed>) = 0 [pid 5004] fstat(4, [pid 5184] close(4 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5184] <... close resumed>) = 0 [pid 5004] getdents64(4, [pid 5184] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5184] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5004] getdents64(4, [pid 5184] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 0 [pid 5004] close(4 [pid 5184] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5182] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5184] <... openat resumed>) = 4 [pid 5004] rmdir("./9/file0" [pid 5184] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... rmdir resumed>) = 0 [pid 5184] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5004] getdents64(3, [pid 5184] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5184] ioctl(4, FS_IOC_GETVERSION [pid 5182] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5184] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5004] rmdir("./9" [pid 5184] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... rmdir resumed>) = 0 [pid 5184] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5004] mkdir("./10", 0777 [pid 5184] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... mkdir resumed>) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5184] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5182] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 3 [pid 5184] <... openat resumed>) = 5 [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5184] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5184] <... futex resumed>) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5004] close(3 [pid 5184] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5182] <... futex resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5182] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5184] <... mmap resumed>) = 0x20000000 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5194 [pid 5184] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5182] <... futex resumed>) = 0 [pid 5184] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5182] exit_group(0 [pid 5184] <... futex resumed>) = ? [pid 5182] <... exit_group resumed>) = ? [pid 5184] +++ exited with 0 +++ [pid 5182] +++ exited with 0 +++ [pid 5190] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = 0 [pid 5190] <... futex resumed>) = 1 [pid 5191] memfd_create("syzkaller", 0 [pid 5190] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5191] <... memfd_create resumed>) = 3 [pid 5191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [ 49.988086][ T5188] loop5: detected capacity change from 0 to 8192 [ 49.999673][ T5186] loop0: detected capacity change from 0 to 8192 [ 50.009653][ T5184] REISERFS (device loop2): Using r5 hash to sort names [ 50.017341][ T5184] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5176] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5194 attached [pid 5176] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5003] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./9/binderfs") = 0 [pid 5003] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5194] set_robust_list(0x555555cac5e0, 24 [pid 5191] 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 5176] <... openat resumed>) = 4 [pid 5174] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5174] futex(0x7f0cdcae579c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cd49ca000 [pid 5174] mprotect(0x7f0cd49cb000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5174] clone(child_stack=0x7f0cd49ea3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5195], tls=0x7f0cd49ea700, child_tidptr=0x7f0cd49ea9d0) = 5195 [ 50.027491][ T5188] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.046966][ T5186] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.052653][ T5188] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 50.065424][ T5186] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 50.078437][ T5188] REISERFS (device loop5): using ordered data mode [pid 5174] futex(0x7f0cdcae5798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5174] futex(0x7f0cdcae579c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... set_robust_list resumed>) = 0 [pid 5176] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5194] chdir("./10" [pid 5176] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... chdir resumed>) = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5194] setpgid(0, 0./strace-static-x86_64: Process 5195 attached ) = 0 [pid 5191] <... write resumed>) = 4194304 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5194] write(3, "1000", 4) = 4 [pid 5194] close(3) = 0 [pid 5194] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5194] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5194] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5194] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5196], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5196 [pid 5194] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5194] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5195] set_robust_list(0x7f0cd49ea9e0, 24) = 0 [pid 5195] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5195] futex(0x7f0cdcae579c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5195] futex(0x7f0cdcae5798, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5191] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5191] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5191] ioctl(4, LOOP_SET_FD, 3 [pid 5174] <... futex resumed>) = 0 [pid 5191] <... ioctl resumed>) = 0 [pid 5191] close(3) = 0 [pid 5191] mkdir("./file0", 0777) = 0 [pid 5191] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [ 50.081627][ T5186] REISERFS (device loop0): using ordered data mode [ 50.094213][ T5188] reiserfs: using flush barriers [ 50.098558][ T5186] reiserfs: using flush barriers [ 50.109107][ T5191] loop4: detected capacity change from 0 to 8192 [ 50.116827][ T5188] 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 5003] close(4./strace-static-x86_64: Process 5196 attached [pid 5174] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5196] memfd_create("syzkaller", 0) = 3 [pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5174] <... futex resumed>) = 1 [pid 5176] <... futex resumed>) = 0 [pid 5174] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5176] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5176] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5176] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5196] 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 5174] <... futex resumed>) = 0 [pid 5174] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5176] <... futex resumed>) = 0 [pid 5174] <... futex resumed>) = 1 [pid 5003] <... close resumed>) = 0 [pid 5176] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5174] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] rmdir("./9/file0" [pid 5176] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5176] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5196] <... write resumed>) = 4194304 [pid 5196] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5196] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5196] ioctl(4, LOOP_SET_FD, 3 [pid 5174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... rmdir resumed>) = 0 [pid 5196] <... ioctl resumed>) = 0 [pid 5196] close(3) = 0 [pid 5196] mkdir("./file0", 0777) = 0 [ 50.133597][ T5186] 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 [ 50.150528][ T5191] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.164613][ T5191] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 50.169110][ T5196] loop3: detected capacity change from 0 to 8192 [ 50.174419][ T5186] REISERFS (device loop0): checking transaction log (loop0) [pid 5196] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5174] exit_group(0 [pid 5003] getdents64(3, [pid 5195] <... futex resumed>) = ? [pid 5176] <... futex resumed>) = ? [pid 5174] <... exit_group resumed>) = ? [pid 5195] +++ exited with 0 +++ [pid 5176] +++ exited with 0 +++ [pid 5174] +++ exited with 0 +++ [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5003] close(3) = 0 [pid 5003] rmdir("./9") = 0 [pid 5003] mkdir("./10", 0777) = 0 [pid 5002] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... openat resumed>) = 3 [pid 5002] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] <... openat resumed>) = 3 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5002] fstat(3, [pid 5003] <... close resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 50.182117][ T5188] REISERFS (device loop5): checking transaction log (loop5) [ 50.188095][ T5191] REISERFS (device loop4): using ordered data mode [ 50.202578][ T5196] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.202658][ T5191] reiserfs: using flush barriers [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5199 [pid 5002] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./9/binderfs") = 0 [pid 5002] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5199 attached [pid 5199] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5199] chdir("./10") = 0 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5199] setpgid(0, 0) = 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5199] write(3, "1000", 4) = 4 [pid 5199] close(3) = 0 [pid 5199] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5199] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5199] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5199] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5200], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5200 [ 50.223834][ T5191] 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 [ 50.235059][ T5196] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 50.241365][ T5191] REISERFS (device loop4): checking transaction log (loop4) [ 50.260244][ T5196] REISERFS (device loop3): using ordered data mode [ 50.266820][ T5196] reiserfs: using flush barriers [ 50.273258][ T5196] 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 5002] <... umount2 resumed>) = 0 [pid 5199] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5199] <... futex resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5199] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4./strace-static-x86_64: Process 5200 attached ) = 0 [pid 5002] rmdir("./9/file0" [pid 5200] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5002] <... rmdir resumed>) = 0 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5002] getdents64(3, [pid 5200] memfd_create("syzkaller", 0 [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5200] <... memfd_create resumed>) = 3 [pid 5002] close(3 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] <... close resumed>) = 0 [pid 5200] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5002] rmdir("./9") = 0 [pid 5002] mkdir("./10", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5201 [ 50.308769][ T5196] REISERFS (device loop3): checking transaction log (loop3) [ 50.337728][ T5196] REISERFS (device loop3): Using r5 hash to sort names [ 50.340798][ T5186] REISERFS (device loop0): Using r5 hash to sort names ./strace-static-x86_64: Process 5201 attached [pid 5201] set_robust_list(0x555555cac5e0, 24 [pid 5200] 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 5201] <... set_robust_list resumed>) = 0 [pid 5201] chdir("./10") = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5201] setpgid(0, 0) = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5201] write(3, "1000", 4) = 4 [pid 5201] close(3) = 0 [pid 5201] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5201] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5201] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5196] <... mount resumed>) = 0 [pid 5201] <... clone resumed>, parent_tid=[5202], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5202 [pid 5196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5201] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5196] <... openat resumed>) = 3 [pid 5196] chdir("./file0") = 0 [pid 5196] ioctl(4, LOOP_CLR_FD) = 0 [pid 5196] close(4) = 0 [pid 5196] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5196] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... futex resumed>) = 0 [pid 5194] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5196] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5194] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... openat resumed>) = 4 [pid 5196] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5196] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5194] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] <... futex resumed>) = 0 [pid 5196] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5196] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5196] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] <... futex resumed>) = 0 [pid 5194] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5196] <... futex resumed>) = 0 [pid 5194] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5196] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5196] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5196] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5194] <... futex resumed>) = 0 [pid 5194] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5196] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5196] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5194] <... futex resumed>) = 0 [pid 5196] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5194] exit_group(0 [pid 5196] <... futex resumed>) = ? [pid 5194] <... exit_group resumed>) = ? [pid 5196] +++ exited with 0 +++ ./strace-static-x86_64: Process 5202 attached [pid 5202] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5194] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5202] memfd_create("syzkaller", 0 [pid 5004] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5202] <... memfd_create resumed>) = 3 [pid 5004] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5202] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5004] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./10/binderfs") = 0 [ 50.354539][ T5196] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 50.364092][ T5188] REISERFS (device loop5): Using r5 hash to sort names [pid 5004] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] <... write resumed>) = 4194304 [pid 5200] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5200] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5200] ioctl(4, LOOP_SET_FD, 3 [pid 5191] <... mount resumed>) = 0 [pid 5188] <... mount resumed>) = 0 [pid 5186] <... mount resumed>) = 0 [pid 5188] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5186] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5188] chdir("./file0" [pid 5186] <... openat resumed>) = 3 [pid 5188] <... chdir resumed>) = 0 [pid 5188] ioctl(4, LOOP_CLR_FD [pid 5191] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5186] chdir("./file0" [pid 5188] <... ioctl resumed>) = 0 [pid 5191] <... openat resumed>) = 3 [pid 5188] close(4 [pid 5186] <... chdir resumed>) = 0 [pid 5186] ioctl(4, LOOP_CLR_FD [pid 5188] <... close resumed>) = 0 [pid 5186] <... ioctl resumed>) = 0 [pid 5191] chdir("./file0" [pid 5188] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] close(4) = 0 [pid 5191] <... chdir resumed>) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5186] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5187] <... futex resumed>) = 0 [pid 5187] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5187] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] ioctl(4, LOOP_CLR_FD [pid 5188] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5186] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5185] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... ioctl resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5186] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5185] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... openat resumed>) = 4 [pid 5191] close(4 [pid 5186] <... openat resumed>) = 4 [pid 5191] <... close resumed>) = 0 [pid 5188] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5187] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5187] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5188] ioctl(4, FS_IOC_GETVERSION [pid 5186] ioctl(4, FS_IOC_GETVERSION [pid 5185] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5190] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5190] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = 0 [pid 5190] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5191] <... openat resumed>) = 4 [pid 5185] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5186] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5191] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5186] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5185] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5187] <... futex resumed>) = 0 [pid 5186] <... openat resumed>) = 5 [pid 5185] <... futex resumed>) = 0 [pid 5191] ioctl(4, FS_IOC_GETVERSION [pid 5190] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5188] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5187] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5188] <... openat resumed>) = 5 [pid 5191] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] <... futex resumed>) = 0 [pid 5185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5191] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5190] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5187] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5185] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5190] <... futex resumed>) = 0 [pid 5187] <... futex resumed>) = 0 [pid 5190] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5187] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5188] <... mmap resumed>) = 0x20000000 [pid 5186] <... mmap resumed>) = 0x20000000 [pid 5185] <... futex resumed>) = 0 [pid 5191] <... openat resumed>) = 5 [pid 5185] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5186] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5191] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5188] <... futex resumed>) = 1 [pid 5187] <... futex resumed>) = 0 [pid 5186] <... futex resumed>) = 0 [pid 5185] exit_group(0 [pid 5191] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5190] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5187] exit_group(0 [pid 5185] <... exit_group resumed>) = ? [pid 5190] <... futex resumed>) = 0 [pid 5187] <... exit_group resumed>) = ? [pid 5190] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5191] <... mmap resumed>) = 0x20000000 [pid 5191] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5188] <... futex resumed>) = ? [pid 5186] +++ exited with 0 +++ [pid 5185] +++ exited with 0 +++ [pid 5191] <... futex resumed>) = 1 [pid 5190] <... futex resumed>) = 0 [pid 5190] exit_group(0) = ? [pid 5188] +++ exited with 0 +++ [pid 5187] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5191] +++ exited with 0 +++ [pid 5190] +++ exited with 0 +++ [pid 5006] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5006] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...> [pid 5006] <... openat resumed>) = 3 [pid 5005] umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] fstat(3, [pid 5000] <... restart_syscall resumed>) = 0 [pid 5200] <... ioctl resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... umount2 resumed>) = 0 [pid 5202] 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 5200] close(3 [pid 5006] getdents64(3, [pid 5005] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5200] <... close resumed>) = 0 [pid 5006] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... openat resumed>) = 3 [pid 5000] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5200] mkdir("./file0", 0777 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] fstat(3, [pid 5006] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] unlink("./10/binderfs") = 0 [pid 5005] getdents64(3, [pid 5000] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] <... openat resumed>) = 3 [pid 5005] umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] fstat(3, [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5200] <... mkdir resumed>) = 0 [pid 5005] lstat("./9/binderfs", [pid 5000] getdents64(3, [pid 5200] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5005] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] unlink("./9/binderfs" [ 50.402490][ T5188] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 50.411931][ T5191] REISERFS (device loop4): Using r5 hash to sort names [ 50.419305][ T5186] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 50.429222][ T5191] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 50.435991][ T5200] loop2: detected capacity change from 0 to 8192 [pid 5000] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... unlink resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./10/binderfs") = 0 [pid 5000] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./10/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./10") = 0 [pid 5004] mkdir("./11", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5204 [pid 5202] <... write resumed>) = 4194304 [pid 5202] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5202] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5202] close(3) = 0 [pid 5202] mkdir("./file0", 0777) = 0 [pid 5202] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, ""./strace-static-x86_64: Process 5204 attached [pid 5204] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5204] chdir("./11") = 0 [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5204] setpgid(0, 0) = 0 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5204] write(3, "1000", 4) = 4 [pid 5204] close(3) = 0 [pid 5204] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5204] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [ 50.491869][ T5200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.503293][ T5202] loop1: detected capacity change from 0 to 8192 [ 50.517650][ T5200] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 50.527435][ T5200] REISERFS (device loop2): using ordered data mode [ 50.534249][ T5200] reiserfs: using flush barriers [pid 5204] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5204] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5206], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5206 [pid 5204] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5204] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5206 attached [pid 5206] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5206] memfd_create("syzkaller", 0) = 3 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5206] 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) = 4194304 [pid 5206] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5206] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 50.545935][ T5200] 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 [ 50.580550][ T5202] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5206] close(3) = 0 [pid 5206] mkdir("./file0", 0777) = 0 [pid 5206] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5006] <... umount2 resumed>) = 0 [pid 5006] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./10/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./10") = 0 [pid 5006] mkdir("./11", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5208 [pid 5005] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5208 attached [pid 5208] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5208] chdir("./11") = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5208] setpgid(0, 0) = 0 [pid 5005] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5208] <... openat resumed>) = 3 [pid 5005] openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5208] write(3, "1000", 4) = 4 [pid 5005] getdents64(4, [pid 5208] close(3) = 0 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5208] symlink("/dev/binderfs", "./binderfs" [pid 5005] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5208] <... symlink resumed>) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./9/file0") = 0 [pid 5208] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] <... umount2 resumed>) = 0 [pid 5208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5000] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, [pid 5208] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5000] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5208] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5208] <... mprotect resumed>) = 0 [pid 5005] rmdir("./9" [pid 5000] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5208] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5005] mkdir("./10", 0777 [pid 5000] rmdir("./10/file0") = 0 [pid 5208] <... clone resumed>, parent_tid=[5209], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5209 [pid 5208] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5208] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5005] <... mkdir resumed>) = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5000] rmdir("./10" [pid 5005] <... openat resumed>) = 3 [pid 5000] <... rmdir resumed>) = 0 [ 50.580822][ T5206] loop3: detected capacity change from 0 to 8192 [ 50.601891][ T5206] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.615971][ T5206] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 50.630711][ T5206] REISERFS (device loop3): using ordered data mode [ 50.637687][ T5206] reiserfs: using flush barriers [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] mkdir("./11", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5210 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5211 attached , child_tidptr=0x555555cac5d0) = 5211 ./strace-static-x86_64: Process 5209 attached [pid 5209] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5209] memfd_create("syzkaller", 0 [pid 5211] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5211] chdir("./11") = 0 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5211] setpgid(0, 0) = 0 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5211] write(3, "1000", 4) = 4 [pid 5211] close(3) = 0 ./strace-static-x86_64: Process 5210 attached [pid 5211] symlink("/dev/binderfs", "./binderfs" [pid 5209] <... memfd_create resumed>) = 3 [pid 5211] <... symlink resumed>) = 0 [pid 5211] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5210] set_robust_list(0x555555cac5e0, 24 [pid 5209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5211] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5210] <... set_robust_list resumed>) = 0 [pid 5209] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5211] <... mprotect resumed>) = 0 [pid 5211] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5210] chdir("./10" [pid 5211] <... clone resumed>, parent_tid=[5212], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5212 [pid 5210] <... chdir resumed>) = 0 [pid 5211] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5211] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5210] setpgid(0, 0) = 0 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5210] write(3, "1000", 4) = 4 [ 50.643258][ T5206] 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 [ 50.655982][ T5202] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 50.659604][ T5206] REISERFS (device loop3): checking transaction log (loop3) [ 50.676942][ T5200] REISERFS (device loop2): checking transaction log (loop2) [pid 5210] close(3) = 0 [pid 5210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5210] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5210] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5210] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5213], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5213 [pid 5210] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5210] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5212 attached [pid 5212] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5212] memfd_create("syzkaller", 0) = 3 [pid 5212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5213 attached [pid 5213] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5213] memfd_create("syzkaller", 0) = 3 [pid 5213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5200] <... mount resumed>) = 0 [pid 5206] <... mount resumed>) = 0 [ 50.725057][ T5206] REISERFS (device loop3): Using r5 hash to sort names [ 50.739367][ T5200] REISERFS (device loop2): Using r5 hash to sort names [ 50.746332][ T5200] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 50.755747][ T5206] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 50.765210][ T5202] REISERFS (device loop1): using ordered data mode [pid 5200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5206] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5200] <... openat resumed>) = 3 [pid 5206] <... openat resumed>) = 3 [pid 5209] 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 5206] chdir("./file0" [pid 5200] chdir("./file0") = 0 [pid 5206] <... chdir resumed>) = 0 [pid 5206] ioctl(4, LOOP_CLR_FD [pid 5200] ioctl(4, LOOP_CLR_FD [pid 5206] <... ioctl resumed>) = 0 [pid 5200] <... ioctl resumed>) = 0 [pid 5206] close(4 [pid 5200] close(4 [pid 5206] <... close resumed>) = 0 [pid 5200] <... close resumed>) = 0 [pid 5206] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5206] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... futex resumed>) = 0 [pid 5206] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5204] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5199] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5206] <... openat resumed>) = 4 [pid 5206] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... openat resumed>) = 4 [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5200] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5200] ioctl(4, FS_IOC_GETVERSION [pid 5199] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] ioctl(4, FS_IOC_GETVERSION [pid 5204] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5199] <... futex resumed>) = 0 [pid 5206] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5200] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5199] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 0 [pid 5199] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5200] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5200] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5199] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5204] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5200] <... openat resumed>) = 5 [pid 5206] <... openat resumed>) = 5 [pid 5200] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5200] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5199] <... futex resumed>) = 0 [pid 5206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5204] <... futex resumed>) = 0 [pid 5200] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5199] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5206] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5204] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] 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 5212] 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 5209] <... write resumed>) = 4194304 [pid 5206] <... mmap resumed>) = 0x20000000 [pid 5200] <... mmap resumed>) = 0x20000000 [ 50.772083][ T5202] reiserfs: using flush barriers [ 50.777901][ T5202] 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 [ 50.799751][ T5202] REISERFS (device loop1): checking transaction log (loop1) [pid 5206] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5200] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5206] <... futex resumed>) = 1 [pid 5204] <... futex resumed>) = 0 [pid 5200] <... futex resumed>) = 1 [pid 5199] <... futex resumed>) = 0 [pid 5206] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5204] exit_group(0 [pid 5200] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5199] exit_group(0 [pid 5206] <... futex resumed>) = ? [pid 5204] <... exit_group resumed>) = ? [pid 5200] <... futex resumed>) = ? [pid 5199] <... exit_group resumed>) = ? [pid 5206] +++ exited with 0 +++ [pid 5204] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5200] +++ exited with 0 +++ [pid 5199] +++ exited with 0 +++ [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5004] <... restart_syscall resumed>) = 0 [pid 5003] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... openat resumed>) = 3 [pid 5004] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] fstat(3, [pid 5004] <... openat resumed>) = 3 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] fstat(3, [pid 5003] getdents64(3, [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./11/binderfs") = 0 [pid 5004] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5209] munmap(0x7f0cd45eb000, 4194304 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./10/binderfs") = 0 [pid 5003] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5209] <... munmap resumed>) = 0 [pid 5209] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5209] ioctl(4, LOOP_SET_FD, 3 [pid 5212] <... write resumed>) = 4194304 [pid 5212] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5212] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5212] ioctl(4, LOOP_SET_FD, 3 [pid 5213] <... write resumed>) = 4194304 [ 50.844208][ T5202] REISERFS (device loop1): Using r5 hash to sort names [ 50.864150][ T5202] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 50.881637][ T5209] loop5: detected capacity change from 0 to 8192 [pid 5213] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5213] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5213] ioctl(4, LOOP_SET_FD, 3 [pid 5209] <... ioctl resumed>) = 0 [pid 5209] close(3) = 0 [pid 5209] mkdir("./file0", 0777) = 0 [pid 5202] <... mount resumed>) = 0 [pid 5213] <... ioctl resumed>) = 0 [pid 5202] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5213] close(3) = 0 [pid 5202] <... openat resumed>) = 3 [pid 5209] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5213] mkdir("./file0", 0777 [pid 5202] chdir("./file0") = 0 [pid 5202] ioctl(4, LOOP_CLR_FD) = 0 [pid 5213] <... mkdir resumed>) = 0 [pid 5213] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5202] close(4 [pid 5212] <... ioctl resumed>) = 0 [pid 5212] close(3) = 0 [pid 5212] mkdir("./file0", 0777) = 0 [pid 5212] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5004] <... umount2 resumed>) = 0 [pid 5004] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./11/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./11") = 0 [pid 5004] mkdir("./12", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [ 50.902003][ T5212] loop0: detected capacity change from 0 to 8192 [ 50.917441][ T5213] loop4: detected capacity change from 0 to 8192 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5216 ./strace-static-x86_64: Process 5216 attached [pid 5216] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5216] chdir("./12") = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5216] setpgid(0, 0) = 0 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5216] write(3, "1000", 4) = 4 [pid 5216] close(3) = 0 [pid 5216] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5216] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5216] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5216] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5217], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5217 [pid 5216] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5216] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5217 attached [pid 5217] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5217] memfd_create("syzkaller", 0) = 3 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5202] <... close resumed>) = 0 [pid 5202] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./10/file0", [pid 5202] <... futex resumed>) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5202] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 0 [pid 5202] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5201] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... openat resumed>) = 4 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5202] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5202] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 0 [pid 5202] ioctl(4, FS_IOC_GETVERSION [pid 5201] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5202] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5202] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 0 [pid 5202] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5201] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... openat resumed>) = 5 [pid 5202] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5202] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5201] <... futex resumed>) = 0 [pid 5202] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5201] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... mmap resumed>) = 0x20000000 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 50.949912][ T5209] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 50.972148][ T5209] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 50.972250][ T5212] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5202] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5003] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5202] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5201] exit_group(0 [pid 5202] <... futex resumed>) = ? [pid 5201] <... exit_group resumed>) = ? [pid 5003] <... openat resumed>) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5202] +++ exited with 0 +++ [pid 5201] +++ exited with 0 +++ [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=13 /* 0.13 s */} --- [pid 5003] <... close resumed>) = 0 [pid 5002] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] rmdir("./10/file0" [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... rmdir resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] getdents64(3, [pid 5002] <... openat resumed>) = 3 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] fstat(3, [pid 5003] close(3 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... close resumed>) = 0 [pid 5002] getdents64(3, [pid 5003] rmdir("./10" [pid 5002] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] <... rmdir resumed>) = 0 [pid 5002] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] mkdir("./11", 0777 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] <... mkdir resumed>) = 0 [pid 5002] lstat("./10/binderfs", [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5002] unlink("./10/binderfs" [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5002] <... unlink resumed>) = 0 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5002] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5219 [ 50.981554][ T5209] REISERFS (device loop5): using ordered data mode [ 51.010826][ T5209] reiserfs: using flush barriers [ 51.016899][ T5212] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 51.017078][ T5213] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.026517][ T5212] REISERFS (device loop0): using ordered data mode ./strace-static-x86_64: Process 5219 attached [pid 5219] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5219] chdir("./11") = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0) = 0 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1000", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5219] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5219] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5219] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5220], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5220 [pid 5219] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5219] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5220 attached [pid 5220] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5220] memfd_create("syzkaller", 0) = 3 [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [ 51.039119][ T5209] 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 [ 51.046758][ T5212] reiserfs: using flush barriers [ 51.070453][ T5212] 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 [ 51.086949][ T5213] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [pid 5002] <... umount2 resumed>) = 0 [pid 5002] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./10/file0") = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./10") = 0 [pid 5002] mkdir("./11", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5221 ./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5221] chdir("./11") = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5221] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5221] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5221] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5222], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5222 [pid 5221] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 51.096755][ T5213] REISERFS (device loop4): using ordered data mode [ 51.103679][ T5213] reiserfs: using flush barriers [ 51.109748][ T5209] REISERFS (device loop5): checking transaction log (loop5) [ 51.115758][ T5213] 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 [ 51.119611][ T5212] REISERFS (device loop0): checking transaction log (loop0) [pid 5221] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5222 attached [pid 5222] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5217] 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 5222] 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 5220] 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 5222] <... write resumed>) = 4194304 [pid 5222] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5222] close(3) = 0 [pid 5222] mkdir("./file0", 0777) = 0 [pid 5222] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5217] <... write resumed>) = 4194304 [pid 5217] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5217] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5217] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5217] close(3) = 0 [pid 5217] mkdir("./file0", 0777) = 0 [pid 5217] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5220] <... write resumed>) = 4194304 [pid 5220] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 51.227486][ T5222] loop1: detected capacity change from 0 to 8192 [ 51.234911][ T5213] REISERFS (device loop4): checking transaction log (loop4) [ 51.243212][ T5212] REISERFS (device loop0): Using r5 hash to sort names [ 51.253512][ T5222] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.253788][ T5217] loop3: detected capacity change from 0 to 8192 [pid 5220] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5220] close(3) = 0 [pid 5220] mkdir("./file0", 0777) = 0 [pid 5220] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5212] <... mount resumed>) = 0 [pid 5212] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5212] chdir("./file0") = 0 [pid 5212] ioctl(4, LOOP_CLR_FD) = 0 [pid 5212] close(4) = 0 [pid 5212] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5212] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... futex resumed>) = 0 [pid 5211] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5211] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5212] <... futex resumed>) = 0 [pid 5212] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5212] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... mount resumed>) = 0 [ 51.284365][ T5220] loop2: detected capacity change from 0 to 8192 [ 51.287295][ T5209] REISERFS (device loop5): Using r5 hash to sort names [ 51.293330][ T5212] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 51.304169][ T5222] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 51.310240][ T5209] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5212] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5209] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5212] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... mount resumed>) = 0 [pid 5211] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... openat resumed>) = 3 [ 51.327072][ T5220] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.334017][ T5213] REISERFS (device loop4): Using r5 hash to sort names [ 51.340330][ T5217] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.347387][ T5213] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 51.361074][ T5222] REISERFS (device loop1): using ordered data mode [ 51.369582][ T5220] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [pid 5213] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5211] <... futex resumed>) = 1 [pid 5209] chdir("./file0" [pid 5212] <... futex resumed>) = 0 [pid 5212] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5212] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5212] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... openat resumed>) = 3 [pid 5211] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] <... chdir resumed>) = 0 [pid 5213] chdir("./file0" [pid 5211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5209] ioctl(4, LOOP_CLR_FD [pid 5213] <... chdir resumed>) = 0 [pid 5211] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... ioctl resumed>) = 0 [pid 5211] <... futex resumed>) = 1 [pid 5213] ioctl(4, LOOP_CLR_FD [pid 5211] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] close(4 [pid 5213] <... ioctl resumed>) = 0 [pid 5212] <... futex resumed>) = 0 [pid 5209] <... close resumed>) = 0 [pid 5212] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5212] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 51.376272][ T5217] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 51.393785][ T5222] reiserfs: using flush barriers [ 51.398767][ T5222] 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 [ 51.400800][ T5220] REISERFS (device loop2): using ordered data mode [ 51.415194][ T5222] REISERFS (device loop1): checking transaction log (loop1) [ 51.422092][ T5217] REISERFS (device loop3): using ordered data mode [pid 5212] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] close(4 [pid 5211] <... futex resumed>) = 0 [pid 5209] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... close resumed>) = 0 [pid 5211] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 1 [pid 5213] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5211] <... futex resumed>) = 1 [pid 5209] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5213] <... futex resumed>) = 1 [pid 5211] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5212] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 0 [pid 5208] <... futex resumed>) = 0 [pid 5212] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5210] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 0 [pid 5212] <... mmap resumed>) = 0x20000000 [pid 5210] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5213] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5209] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5212] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5210] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5208] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... openat resumed>) = 4 [pid 5212] <... futex resumed>) = 1 [pid 5211] <... futex resumed>) = 0 [pid 5209] <... openat resumed>) = 4 [pid 5213] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5211] exit_group(0 [pid 5209] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5211] <... exit_group resumed>) = ? [pid 5209] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5209] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] <... futex resumed>) = 0 [pid 5212] +++ exited with 0 +++ [pid 5211] +++ exited with 0 +++ [pid 5210] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5208] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 0 [pid 5210] <... futex resumed>) = 1 [pid 5209] <... futex resumed>) = 0 [pid 5208] <... futex resumed>) = 1 [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5213] ioctl(4, FS_IOC_GETVERSION [pid 5210] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] ioctl(4, FS_IOC_GETVERSION [pid 5208] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5209] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5213] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 1 [pid 5208] <... futex resumed>) = 0 [pid 5000] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5213] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] <... futex resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5213] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5210] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5208] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5213] <... openat resumed>) = 5 [pid 5209] <... openat resumed>) = 5 [pid 5000] <... openat resumed>) = 3 [pid 5213] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] fstat(3, [pid 5213] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 1 [pid 5208] <... futex resumed>) = 0 [pid 5213] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5208] <... futex resumed>) = 0 [pid 5000] getdents64(3, [pid 5213] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5210] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5209] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5208] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5213] <... mmap resumed>) = 0x20000000 [pid 5209] <... mmap resumed>) = 0x20000000 [pid 5000] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5213] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5213] <... futex resumed>) = 1 [pid 5210] <... futex resumed>) = 0 [pid 5209] <... futex resumed>) = 1 [pid 5208] <... futex resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5213] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5210] exit_group(0 [pid 5209] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5208] exit_group(0 [pid 5000] lstat("./11/binderfs", [pid 5213] <... futex resumed>) = ? [pid 5210] <... exit_group resumed>) = ? [pid 5209] <... futex resumed>) = ? [pid 5208] <... exit_group resumed>) = ? [pid 5213] +++ exited with 0 +++ [pid 5210] +++ exited with 0 +++ [pid 5000] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- [pid 5005] umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./10/binderfs") = 0 [ 51.437711][ T5220] reiserfs: using flush barriers [ 51.454470][ T5217] reiserfs: using flush barriers [ 51.469138][ T5220] 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 5005] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5209] +++ exited with 0 +++ [pid 5208] +++ exited with 0 +++ [pid 5000] unlink("./11/binderfs") = 0 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5000] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./11/binderfs") = 0 [ 51.479061][ T5217] 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 [ 51.486209][ T5220] REISERFS (device loop2): checking transaction log (loop2) [ 51.520965][ T5217] REISERFS (device loop3): checking transaction log (loop3) [pid 5006] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./10/file0") = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./10") = 0 [pid 5005] mkdir("./11", 0777 [pid 5006] <... umount2 resumed>) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 51.533275][ T5222] REISERFS (device loop1): Using r5 hash to sort names [ 51.554188][ T5222] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [pid 5005] close(3 [pid 5000] <... umount2 resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] <... mount resumed>) = 0 [pid 5000] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] chdir("./file0") = 0 [pid 5000] lstat("./11/file0", [pid 5222] ioctl(4, LOOP_CLR_FD [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5222] <... ioctl resumed>) = 0 [pid 5000] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5222] close(4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] <... close resumed>) = 0 [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5226 [pid 5222] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5000] <... openat resumed>) = 4 [pid 5221] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5000] fstat(4, [pid 5222] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5221] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5222] <... openat resumed>) = 4 [pid 5000] getdents64(4, [pid 5222] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5006] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] getdents64(4, [pid 5222] ioctl(4, FS_IOC_GETVERSION [pid 5221] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5222] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5221] <... futex resumed>) = 0 [pid 5006] lstat("./11/file0", [pid 5000] close(4 [pid 5222] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5221] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5221] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] <... close resumed>) = 0 [pid 5221] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5006] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] rmdir("./11/file0" [pid 5222] <... openat resumed>) = 5 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5222] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... rmdir resumed>) = 0 [pid 5222] <... futex resumed>) = 1 [pid 5221] <... futex resumed>) = 0 [pid 5006] <... openat resumed>) = 4 [pid 5000] getdents64(3, [pid 5222] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5221] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] fstat(4, [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5222] <... mmap resumed>) = 0x20000000 [pid 5221] <... futex resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] close(3 [pid 5222] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5221] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5222] <... futex resumed>) = 0 [pid 5221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] getdents64(4, [pid 5000] <... close resumed>) = 0 [pid 5222] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5221] exit_group(0 [pid 5222] <... futex resumed>) = ? [pid 5221] <... exit_group resumed>) = ? [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] rmdir("./11" [pid 5222] +++ exited with 0 +++ [pid 5221] +++ exited with 0 +++ [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5000] <... rmdir resumed>) = 0 [pid 5006] close(4 [pid 5000] mkdir("./12", 0777 [pid 5006] <... close resumed>) = 0 [pid 5006] rmdir("./11/file0" [pid 5000] <... mkdir resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5006] close(3 [pid 5002] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5006] <... close resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./11/binderfs") = 0 [pid 5002] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5226 attached [pid 5226] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5226] chdir("./11") = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5006] rmdir("./11" [pid 5000] close(3 [pid 5226] <... prctl resumed>) = 0 [pid 5226] setpgid(0, 0) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5226] write(3, "1000", 4) = 4 [pid 5226] close(3) = 0 [pid 5226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5226] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5226] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5226] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5227], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5227 [pid 5226] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5226] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5227 attached [pid 5217] <... mount resumed>) = 0 [pid 5006] <... rmdir resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5227] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5006] mkdir("./12", 0777 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5227] <... set_robust_list resumed>) = 0 [pid 5227] memfd_create("syzkaller", 0) = 3 [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5228 [pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5006] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 5228 attached [pid 5220] <... mount resumed>) = 0 [pid 5217] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5228] set_robust_list(0x555555cac5e0, 24 [pid 5217] <... openat resumed>) = 3 [pid 5006] <... openat resumed>) = 3 [pid 5217] chdir("./file0" [pid 5006] ioctl(3, LOOP_CLR_FD [pid 5228] <... set_robust_list resumed>) = 0 [pid 5217] <... chdir resumed>) = 0 [pid 5217] ioctl(4, LOOP_CLR_FD [pid 5006] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5228] chdir("./12" [pid 5217] <... ioctl resumed>) = 0 [pid 5006] close(3 [pid 5228] <... chdir resumed>) = 0 [pid 5217] close(4 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5217] <... close resumed>) = 0 [pid 5006] <... close resumed>) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5217] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... prctl resumed>) = 0 [pid 5220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5228] setpgid(0, 0 [pid 5220] <... openat resumed>) = 3 [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5228] <... setpgid resumed>) = 0 [pid 5217] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5229 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5220] chdir("./file0" [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5220] <... chdir resumed>) = 0 [pid 5217] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5216] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] write(3, "1000", 4) = 4 [pid 5220] ioctl(4, LOOP_CLR_FD [pid 5217] <... openat resumed>) = 4 [pid 5228] close(3 [pid 5217] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... ioctl resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5220] close(4 [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5228] symlink("/dev/binderfs", "./binderfs" [pid 5220] <... close resumed>) = 0 [pid 5217] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... symlink resumed>) = 0 [pid 5220] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5228] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] <... futex resumed>) = 1 [pid 5228] <... futex resumed>) = 0 [pid 5220] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] <... futex resumed>) = 0 [pid 5217] ioctl(4, FS_IOC_GETVERSION [pid 5216] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5228] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5220] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5219] <... futex resumed>) = 0 [pid 5217] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5220] <... openat resumed>) = 4 [pid 5219] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5228] <... mprotect resumed>) = 0 [pid 5220] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5216] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5229 attached [pid 5228] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5216] <... futex resumed>) = 0 [pid 5229] set_robust_list(0x555555cac5e0, 24 [pid 5216] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5220] ioctl(4, FS_IOC_GETVERSION [pid 5219] <... futex resumed>) = 0 [pid 5228] <... clone resumed>, parent_tid=[5230], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5230 [pid 5220] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5219] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] <... openat resumed>) = 5 [pid 5228] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5220] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5217] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5220] <... futex resumed>) = 0 [pid 5219] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5228] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5220] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5219] <... futex resumed>) = 0 [pid 5217] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [ 51.609759][ T5220] REISERFS (device loop2): Using r5 hash to sort names [ 51.631354][ T5217] REISERFS (device loop3): Using r5 hash to sort names [ 51.638669][ T5217] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 51.644601][ T5220] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5216] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] chdir("./12") = 0 [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5229] setpgid(0, 0) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5220] <... openat resumed>) = 5 [pid 5219] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... futex resumed>) = 0 [pid 5217] <... mmap resumed>) = 0x20000000 [pid 5216] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5220] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5219] <... futex resumed>) = 0 [pid 5220] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5219] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5217] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... openat resumed>) = 3 [pid 5220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5219] <... futex resumed>) = 0 [pid 5217] <... futex resumed>) = 1 [pid 5216] <... futex resumed>) = 0 [pid 5229] write(3, "1000", 4) = 4 [pid 5220] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5229] close(3 [pid 5219] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5217] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] <... close resumed>) = 0 [pid 5220] <... mmap resumed>) = 0x20000000 [pid 5216] exit_group(0 [pid 5002] <... umount2 resumed>) = 0 [pid 5229] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5229] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5229] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5220] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5216] <... exit_group resumed>) = ? [pid 5217] <... futex resumed>) = ? [pid 5229] <... mprotect resumed>) = 0 [pid 5220] <... futex resumed>) = 1 [pid 5219] <... futex resumed>) = 0 [pid 5229] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5231], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5231 [pid 5229] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5229] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5217] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5219] exit_group(0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5220] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5220] <... futex resumed>) = ? [pid 5219] <... exit_group resumed>) = ? [pid 5002] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5230 attached ./strace-static-x86_64: Process 5231 attached [pid 5231] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5004] <... restart_syscall resumed>) = 0 [pid 5220] +++ exited with 0 +++ [pid 5004] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5219] +++ exited with 0 +++ [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./12/binderfs", [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5004] unlink("./12/binderfs" [pid 5230] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5004] <... unlink resumed>) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5230] <... set_robust_list resumed>) = 0 [pid 5002] lstat("./11/file0", [pid 5003] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./11/binderfs") = 0 [pid 5003] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5231] memfd_create("syzkaller", 0 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5230] memfd_create("syzkaller", 0 [pid 5231] <... memfd_create resumed>) = 3 [pid 5231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5230] <... memfd_create resumed>) = 3 [pid 5002] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5230] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5004] <... umount2 resumed>) = 0 [pid 5002] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5227] 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 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... openat resumed>) = 4 [pid 5004] lstat("./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./12/file0") = 0 [pid 5004] getdents64(3, [pid 5002] fstat(4, [pid 5004] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./12") = 0 [pid 5004] mkdir("./13", 0777) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = 0 [pid 5002] getdents64(4, [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5232 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./11/file0") = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 5232 attached [pid 5232] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5232] chdir("./13" [pid 5002] close(3) = 0 [pid 5002] rmdir("./11" [pid 5232] <... chdir resumed>) = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5232] setpgid(0, 0) = 0 [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5232] write(3, "1000", 4) = 4 [pid 5232] close(3 [pid 5002] <... rmdir resumed>) = 0 [pid 5232] <... close resumed>) = 0 [pid 5002] mkdir("./12", 0777 [pid 5232] symlink("/dev/binderfs", "./binderfs" [pid 5002] <... mkdir resumed>) = 0 [pid 5232] <... symlink resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3 [pid 5232] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5232] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5002] <... close resumed>) = 0 [pid 5232] <... mprotect resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5233], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5233 [pid 5232] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5234 [pid 5232] <... futex resumed>) = 0 [pid 5232] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5231] 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./strace-static-x86_64: Process 5233 attached [pid 5233] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5233] memfd_create("syzkaller", 0) = 3 [pid 5233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5234 attached [pid 5234] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5234] chdir("./12") = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setpgid(0, 0) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1000", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5234] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5234] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5227] <... write resumed>) = 4194304 [pid 5234] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5227] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5227] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5227] ioctl(4, LOOP_SET_FD, 3 [pid 5234] <... clone resumed>, parent_tid=[5235], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5235 [pid 5234] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5235] memfd_create("syzkaller", 0) = 3 [pid 5235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5230] 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 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5227] <... ioctl resumed>) = 0 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5227] close(3) = 0 [pid 5227] mkdir("./file0", 0777) = 0 [pid 5003] getdents64(4, [pid 5227] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4) = 0 [pid 5003] rmdir("./11/file0") = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./11" [pid 5233] 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 5003] <... rmdir resumed>) = 0 [ 51.770085][ T5227] loop4: detected capacity change from 0 to 8192 [pid 5003] mkdir("./12", 0777 [pid 5230] <... write resumed>) = 4194304 [pid 5230] munmap(0x7f0cd45eb000, 4194304 [pid 5003] <... mkdir resumed>) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5230] <... munmap resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5003] ioctl(3, LOOP_CLR_FD [pid 5235] 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 5230] <... openat resumed>) = 4 [pid 5003] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5231] <... write resumed>) = 4194304 [pid 5231] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5231] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5231] ioctl(4, LOOP_SET_FD, 3 [pid 5230] ioctl(4, LOOP_SET_FD, 3 [pid 5003] close(3) = 0 [pid 5233] <... write resumed>) = 4194304 [pid 5231] <... ioctl resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5237 [pid 5230] <... ioctl resumed>) = 0 [pid 5230] close(3) = 0 [pid 5230] mkdir("./file0", 0777) = 0 [ 51.823443][ T5227] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.840420][ T5227] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 51.846975][ T5231] loop5: detected capacity change from 0 to 8192 [ 51.863473][ T5230] loop0: detected capacity change from 0 to 8192 [pid 5230] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5233] munmap(0x7f0cd45eb000, 4194304 [pid 5231] close(3 [pid 5233] <... munmap resumed>) = 0 [pid 5231] <... close resumed>) = 0 ./strace-static-x86_64: Process 5237 attached [pid 5233] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5231] mkdir("./file0", 0777 [pid 5235] <... write resumed>) = 4194304 [pid 5235] munmap(0x7f0cd45eb000, 4194304 [pid 5233] <... openat resumed>) = 4 [pid 5233] ioctl(4, LOOP_SET_FD, 3 [pid 5231] <... mkdir resumed>) = 0 [pid 5235] <... munmap resumed>) = 0 [pid 5235] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5235] ioctl(4, LOOP_SET_FD, 3 [pid 5231] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5235] <... ioctl resumed>) = 0 [pid 5235] close(3) = 0 [pid 5235] mkdir("./file0", 0777) = 0 [pid 5235] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5237] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5237] chdir("./12") = 0 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5237] setpgid(0, 0) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5237] write(3, "1000", 4) = 4 [pid 5237] close(3) = 0 [pid 5237] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5237] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5237] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5237] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5240], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5240 [pid 5237] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5237] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5240 attached [pid 5240] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5240] memfd_create("syzkaller", 0) = 3 [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [ 51.864331][ T5227] REISERFS (device loop4): using ordered data mode [ 51.877499][ T5227] reiserfs: using flush barriers [ 51.883133][ T5233] loop3: detected capacity change from 0 to 8192 [ 51.885258][ T5235] loop1: detected capacity change from 0 to 8192 [ 51.889567][ T5230] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5233] <... ioctl resumed>) = 0 [pid 5240] 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 5233] close(3) = 0 [pid 5233] mkdir("./file0", 0777) = 0 [pid 5233] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5240] <... write resumed>) = 4194304 [pid 5240] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5240] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 51.909038][ T5227] 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 [ 51.925679][ T5227] REISERFS (device loop4): checking transaction log (loop4) [ 51.925981][ T5235] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.946837][ T5231] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.953087][ T5240] loop2: detected capacity change from 0 to 8192 [pid 5240] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5240] close(3) = 0 [pid 5240] mkdir("./file0", 0777) = 0 [ 51.960274][ T5230] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 51.968908][ T5235] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 51.976141][ T5231] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 51.986847][ T5233] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 51.993529][ T5231] REISERFS (device loop5): using ordered data mode [ 52.013034][ T5231] reiserfs: using flush barriers [ 52.013176][ T5240] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.018443][ T5235] REISERFS (device loop1): using ordered data mode [ 52.031213][ T5231] 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 [ 52.037406][ T5235] reiserfs: using flush barriers [ 52.037913][ T5230] REISERFS (device loop0): using ordered data mode [ 52.054799][ T5235] 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 [ 52.058555][ T5230] reiserfs: using flush barriers [ 52.059030][ T5233] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 52.081911][ T5235] REISERFS (device loop1): checking transaction log (loop1) [ 52.086069][ T5230] 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 [ 52.118945][ T5233] REISERFS (device loop3): using ordered data mode [ 52.119118][ T5230] REISERFS (device loop0): checking transaction log (loop0) [ 52.128312][ T5233] reiserfs: using flush barriers [ 52.146424][ T5240] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 52.148351][ T5231] REISERFS (device loop5): checking transaction log (loop5) [ 52.156211][ T5240] REISERFS (device loop2): using ordered data mode [ 52.170719][ T5240] reiserfs: using flush barriers [ 52.172579][ T5227] REISERFS (device loop4): Using r5 hash to sort names [ 52.179850][ T5240] 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 [ 52.199013][ T5233] 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 [ 52.215422][ T5233] REISERFS (device loop3): checking transaction log (loop3) [pid 5240] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5227] <... mount resumed>) = 0 [pid 5227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5227] chdir("./file0") = 0 [pid 5227] ioctl(4, LOOP_CLR_FD) = 0 [pid 5227] close(4) = 0 [pid 5227] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5227] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] <... futex resumed>) = 0 [pid 5226] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = 0 [pid 5226] <... futex resumed>) = 1 [pid 5227] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5226] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... openat resumed>) = 4 [pid 5227] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5227] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5227] ioctl(4, FS_IOC_GETVERSION [pid 5226] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5227] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5227] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5227] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5226] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... openat resumed>) = 5 [pid 5227] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5227] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5226] <... futex resumed>) = 0 [pid 5227] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5226] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5227] <... mmap resumed>) = 0x20000000 [pid 5227] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5226] <... futex resumed>) = 0 [pid 5227] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5226] exit_group(0 [pid 5227] <... futex resumed>) = ? [pid 5226] <... exit_group resumed>) = ? [pid 5227] +++ exited with 0 +++ [pid 5226] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- [pid 5005] umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./11/binderfs") = 0 [ 52.224952][ T5227] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 52.226302][ T5235] REISERFS (device loop1): Using r5 hash to sort names [ 52.236111][ T5240] REISERFS (device loop2): checking transaction log (loop2) [ 52.243945][ T5230] REISERFS (device loop0): Using r5 hash to sort names [pid 5005] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5230] <... mount resumed>) = 0 [pid 5230] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5230] chdir("./file0") = 0 [pid 5230] ioctl(4, LOOP_CLR_FD) = 0 [pid 5230] close(4) = 0 [pid 5230] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5228] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 1 [pid 5230] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5230] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5228] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 1 [pid 5230] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5230] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5228] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 1 [pid 5230] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5230] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5228] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5228] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5230] <... futex resumed>) = 1 [pid 5230] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5230] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5228] <... futex resumed>) = 0 [pid 5228] exit_group(0) = ? [pid 5230] <... futex resumed>) = ? [ 52.293702][ T5230] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 52.295725][ T5233] REISERFS (device loop3): Using r5 hash to sort names [ 52.305220][ T5235] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 52.327625][ T5231] REISERFS (device loop5): Using r5 hash to sort names [pid 5230] +++ exited with 0 +++ [pid 5228] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./12/binderfs") = 0 [pid 5000] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5231] <... mount resumed>) = 0 [pid 5231] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5231] chdir("./file0") = 0 [pid 5231] ioctl(4, LOOP_CLR_FD) = 0 [pid 5231] close(4) = 0 [pid 5231] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5235] <... mount resumed>) = 0 [pid 5235] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5235] chdir("./file0") = 0 [pid 5235] ioctl(4, LOOP_CLR_FD) = 0 [pid 5235] close(4) = 0 [pid 5235] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5234] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 1 [pid 5235] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5235] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5234] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 1 [pid 5235] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5235] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5234] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 1 [pid 5235] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5235] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5234] <... futex resumed>) = 0 [pid 5234] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5234] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5235] <... futex resumed>) = 1 [pid 5235] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5235] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5229] <... futex resumed>) = 0 [pid 5229] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = 0 [pid 5229] <... futex resumed>) = 1 [pid 5231] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5229] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... openat resumed>) = 4 [pid 5231] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5231] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... futex resumed>) = 0 [pid 5231] ioctl(4, FS_IOC_GETVERSION [pid 5229] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5231] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5231] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5229] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5229] <... futex resumed>) = 0 [pid 5231] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5229] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5231] <... openat resumed>) = 5 [ 52.344228][ T5231] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 52.366276][ T5233] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5231] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5229] <... futex resumed>) = 0 [pid 5231] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5229] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5235] <... futex resumed>) = 1 [pid 5234] <... futex resumed>) = 0 [pid 5233] <... mount resumed>) = 0 [pid 5234] exit_group(0 [pid 5231] <... mmap resumed>) = 0x20000000 [pid 5234] <... exit_group resumed>) = ? [pid 5231] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL) = 0 [pid 5229] <... futex resumed>) = 1 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] lstat("./11/file0", [pid 5229] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5231] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5229] exit_group(0 [pid 5005] umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5229] <... exit_group resumed>) = ? [pid 5233] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5231] <... futex resumed>) = ? [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5231] +++ exited with 0 +++ [pid 5005] openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5229] +++ exited with 0 +++ [pid 5005] getdents64(4, [pid 5233] <... openat resumed>) = 3 [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5240] <... mount resumed>) = 0 [pid 5235] +++ exited with 0 +++ [pid 5234] +++ exited with 0 +++ [pid 5006] restart_syscall(<... resuming interrupted clone ...> [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] <... umount2 resumed>) = 0 [pid 5006] <... restart_syscall resumed>) = 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=17 /* 0.17 s */} --- [pid 5240] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5233] chdir("./file0" [pid 5005] getdents64(4, [pid 5000] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5233] <... chdir resumed>) = 0 [pid 5006] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5240] <... openat resumed>) = 3 [pid 5233] ioctl(4, LOOP_CLR_FD [pid 5006] <... openat resumed>) = 3 [pid 5005] close(4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] fstat(3, [pid 5002] <... openat resumed>) = 3 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... close resumed>) = 0 [pid 5002] fstat(3, [pid 5233] <... ioctl resumed>) = 0 [pid 5006] getdents64(3, [pid 5005] rmdir("./11/file0" [pid 5240] chdir("./file0" [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] lstat("./12/file0", [pid 5233] close(4 [pid 5006] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] getdents64(3, [pid 5240] <... chdir resumed>) = 0 [pid 5233] <... close resumed>) = 0 [pid 5006] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... rmdir resumed>) = 0 [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5240] ioctl(4, LOOP_CLR_FD [pid 5233] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] getdents64(3, [pid 5240] <... ioctl resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5005] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5240] close(4 [pid 5233] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(3 [pid 5240] <... close resumed>) = 0 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5232] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] rmdir("./11" [pid 5240] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5233] <... openat resumed>) = 4 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] <... rmdir resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5240] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] lstat("./12/binderfs", [pid 5005] mkdir("./12", 0777 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] <... mkdir resumed>) = 0 [pid 5002] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... openat resumed>) = 4 [pid 5240] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5237] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] unlink("./12/binderfs" [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] <... openat resumed>) = 4 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = 0 [pid 5006] <... unlink resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5000] fstat(4, [pid 5240] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] ioctl(4, FS_IOC_GETVERSION [pid 5232] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5006] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5002] lstat("./12/binderfs", [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5240] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5233] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] getdents64(4, [pid 5240] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] close(3 [pid 5002] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5005] <... close resumed>) = 0 [pid 5000] getdents64(4, [pid 5240] ioctl(4, FS_IOC_GETVERSION [pid 5233] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5240] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5237] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = 0 [pid 5002] unlink("./12/binderfs" [pid 5000] close(4 [pid 5240] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5237] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5232] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5244 [pid 5002] <... unlink resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5240] <... futex resumed>) = 0 [pid 5237] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5233] <... openat resumed>) = 5 [pid 5002] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] rmdir("./12/file0" [pid 5240] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5000] getdents64(3, [pid 5240] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5237] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5240] <... openat resumed>) = 5 [pid 5233] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5232] <... futex resumed>) = 0 [pid 5000] close(3 [pid 5240] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5232] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5000] <... close resumed>) = 0 [pid 5240] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5233] <... mmap resumed>) = 0x20000000 [pid 5000] rmdir("./12" [pid 5240] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5000] <... rmdir resumed>) = 0 [pid 5240] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5237] <... futex resumed>) = 0 [pid 5233] <... futex resumed>) = 1 [pid 5232] <... futex resumed>) = 0 [pid 5000] mkdir("./13", 0777 [pid 5240] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5237] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5233] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5232] exit_group(0 [pid 5000] <... mkdir resumed>) = 0 [pid 5240] <... mmap resumed>) = 0x20000000 [pid 5233] <... futex resumed>) = ? [pid 5232] <... exit_group resumed>) = ? [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5240] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5233] +++ exited with 0 +++ [pid 5232] +++ exited with 0 +++ [pid 5000] <... openat resumed>) = 3 [pid 5240] <... futex resumed>) = 1 [pid 5237] <... futex resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5240] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5237] exit_group(0 [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5240] <... futex resumed>) = ? [pid 5237] <... exit_group resumed>) = ? [pid 5004] restart_syscall(<... resuming interrupted clone ...> [pid 5000] close(3 [pid 5240] +++ exited with 0 +++ [pid 5000] <... close resumed>) = 0 [ 52.399030][ T5240] REISERFS (device loop2): Using r5 hash to sort names [ 52.406730][ T5240] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5245 [pid 5237] +++ exited with 0 +++ [pid 5004] <... restart_syscall resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5004] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5245 attached [pid 5004] <... openat resumed>) = 3 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] fstat(3, [pid 5003] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5004] getdents64(3, [pid 5003] fstat(3, [pid 5004] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5003] getdents64(3, [pid 5004] lstat("./13/binderfs", [pid 5245] set_robust_list(0x555555cac5e0, 24 [pid 5003] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] unlink("./13/binderfs" [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... unlink resumed>) = 0 [pid 5004] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5003] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./12/binderfs" [pid 5245] <... set_robust_list resumed>) = 0 [pid 5003] <... unlink resumed>) = 0 [pid 5003] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5245] chdir("./13") = 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] setpgid(0, 0) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5245] write(3, "1000", 4) = 4 [pid 5245] close(3) = 0 [pid 5245] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5245] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5245] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5245] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5246], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5246 [pid 5245] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5245] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5246 attached [pid 5246] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5246] memfd_create("syzkaller", 0) = 3 [pid 5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5244 attached [pid 5244] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5244] chdir("./12") = 0 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5244] write(3, "1000", 4) = 4 [pid 5244] close(3) = 0 [pid 5244] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5244] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5244] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5244] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5247], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5247 [pid 5244] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5247 attached [pid 5247] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5247] memfd_create("syzkaller", 0 [pid 5246] 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 5247] <... memfd_create resumed>) = 3 [pid 5247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5006] <... umount2 resumed>) = 0 [pid 5006] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./12/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./12") = 0 [pid 5006] mkdir("./13", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5248 [pid 5002] <... umount2 resumed>) = 0 [pid 5246] <... write resumed>) = 4194304 [pid 5002] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./12/file0", [pid 5246] munmap(0x7f0cd45eb000, 4194304 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5002] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] close(4) = 0 [pid 5002] rmdir("./12/file0"./strace-static-x86_64: Process 5248 attached [pid 5246] <... munmap resumed>) = 0 [pid 5248] set_robust_list(0x555555cac5e0, 24 [pid 5246] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5248] <... set_robust_list resumed>) = 0 [pid 5246] <... openat resumed>) = 4 [pid 5002] <... rmdir resumed>) = 0 [pid 5002] getdents64(3, [pid 5248] chdir("./13" [pid 5246] ioctl(4, LOOP_SET_FD, 3 [pid 5248] <... chdir resumed>) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] close(3) = 0 [pid 5002] rmdir("./12") = 0 [pid 5002] mkdir("./13", 0777) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5002] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5002] close(3 [pid 5248] <... prctl resumed>) = 0 [pid 5248] setpgid(0, 0) = 0 [pid 5002] <... close resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5248] write(3, "1000", 4) = 4 [pid 5248] close(3) = 0 [pid 5248] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5249 [pid 5248] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5248] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5248] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5250], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5250 [pid 5248] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5247] 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./strace-static-x86_64: Process 5250 attached [pid 5250] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5250] memfd_create("syzkaller", 0) = 3 [pid 5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5246] <... ioctl resumed>) = 0 [pid 5250] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5246] close(3./strace-static-x86_64: Process 5249 attached [pid 5249] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5249] chdir("./13") = 0 [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5246] <... close resumed>) = 0 [pid 5246] mkdir("./file0", 0777 [pid 5249] <... prctl resumed>) = 0 [pid 5249] setpgid(0, 0 [pid 5246] <... mkdir resumed>) = 0 [pid 5249] <... setpgid resumed>) = 0 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5246] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5249] <... openat resumed>) = 3 [pid 5004] <... umount2 resumed>) = 0 [pid 5249] write(3, "1000", 4) = 4 [pid 5249] close(3 [pid 5003] <... umount2 resumed>) = 0 [pid 5249] <... close resumed>) = 0 [pid 5249] symlink("/dev/binderfs", "./binderfs" [pid 5004] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./13/file0", [pid 5249] <... symlink resumed>) = 0 [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5249] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... openat resumed>) = 4 [pid 5249] <... futex resumed>) = 0 [pid 5249] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5004] fstat(4, [pid 5249] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5249] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5004] getdents64(4, [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5249] <... mprotect resumed>) = 0 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] lstat("./12/file0", [pid 5249] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] getdents64(4, [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5249] <... clone resumed>, parent_tid=[5252], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5252 [pid 5004] close(4 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5249] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... close resumed>) = 0 [pid 5003] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5249] <... futex resumed>) = 0 [pid 5004] rmdir("./13/file0" [pid 5003] <... openat resumed>) = 4 [pid 5249] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... rmdir resumed>) = 0 [pid 5003] fstat(4, [pid 5004] getdents64(3, [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] getdents64(4, [pid 5004] close(3 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] <... close resumed>) = 0 [pid 5003] getdents64(4, [pid 5004] rmdir("./13" [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] <... rmdir resumed>) = 0 [pid 5003] close(4 [pid 5004] mkdir("./14", 0777 [pid 5003] <... close resumed>) = 0 [ 52.571444][ T5246] loop0: detected capacity change from 0 to 8192 [pid 5004] <... mkdir resumed>) = 0 [pid 5003] rmdir("./12/file0" [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5003] <... rmdir resumed>) = 0 [pid 5004] <... openat resumed>) = 3 [pid 5003] getdents64(3, [pid 5004] ioctl(3, LOOP_CLR_FD [pid 5003] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5004] close(3) = 0 [pid 5003] <... close resumed>) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] rmdir("./12") = 0 [pid 5004] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5253 [pid 5003] mkdir("./13", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5254 ./strace-static-x86_64: Process 5252 attached [pid 5252] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5252] memfd_create("syzkaller", 0) = 3 [pid 5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5252] 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./strace-static-x86_64: Process 5253 attached ./strace-static-x86_64: Process 5254 attached [pid 5253] set_robust_list(0x555555cac5e0, 24 [pid 5254] set_robust_list(0x555555cac5e0, 24 [pid 5253] <... set_robust_list resumed>) = 0 [pid 5253] chdir("./14" [pid 5254] <... set_robust_list resumed>) = 0 [pid 5254] chdir("./13" [pid 5253] <... chdir resumed>) = 0 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5253] setpgid(0, 0 [pid 5254] <... chdir resumed>) = 0 [pid 5253] <... setpgid resumed>) = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5254] setpgid(0, 0) = 0 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] <... openat resumed>) = 3 [pid 5254] <... openat resumed>) = 3 [pid 5253] write(3, "1000", 4) = 4 [pid 5254] write(3, "1000", 4) = 4 [pid 5253] close(3) = 0 [pid 5254] close(3) = 0 [pid 5253] symlink("/dev/binderfs", "./binderfs" [pid 5254] symlink("/dev/binderfs", "./binderfs" [pid 5253] <... symlink resumed>) = 0 [pid 5254] <... symlink resumed>) = 0 [pid 5254] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 0 [pid 5254] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5253] <... futex resumed>) = 0 [pid 5253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5254] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5254] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5253] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5254] <... mprotect resumed>) = 0 [pid 5254] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5253] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5255], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5255 [pid 5254] <... clone resumed>, parent_tid=[5256], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5256 [pid 5253] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 0 [ 52.613399][ T5246] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.646449][ T5246] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 52.655966][ T5246] REISERFS (device loop0): using ordered data mode [pid 5254] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5256 attached ./strace-static-x86_64: Process 5255 attached [pid 5253] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5250] 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 5247] <... write resumed>) = 4194304 [pid 5254] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5256] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5256] memfd_create("syzkaller", 0) = 3 [pid 5255] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5255] memfd_create("syzkaller", 0 [pid 5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5255] <... memfd_create resumed>) = 3 [pid 5255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5247] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5247] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5247] ioctl(4, LOOP_SET_FD, 3) = 0 [ 52.662829][ T5246] reiserfs: using flush barriers [ 52.669245][ T5246] 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 [ 52.675717][ T5247] loop4: detected capacity change from 0 to 8192 [ 52.685523][ T5246] REISERFS (device loop0): checking transaction log (loop0) [pid 5247] close(3 [pid 5252] <... write resumed>) = 4194304 [pid 5252] munmap(0x7f0cd45eb000, 4194304 [pid 5255] 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 5252] <... munmap resumed>) = 0 [pid 5247] <... close resumed>) = 0 [pid 5246] <... mount resumed>) = 0 [pid 5247] mkdir("./file0", 0777) = 0 [pid 5246] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5252] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5247] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5252] <... openat resumed>) = 4 [pid 5246] <... openat resumed>) = 3 [pid 5256] 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 5255] <... write resumed>) = 4194304 [pid 5252] ioctl(4, LOOP_SET_FD, 3 [pid 5250] <... write resumed>) = 4194304 [ 52.716942][ T5246] REISERFS (device loop0): Using r5 hash to sort names [ 52.724141][ T5246] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 52.754128][ T5247] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5246] chdir("./file0" [pid 5255] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5255] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5255] ioctl(4, LOOP_SET_FD, 3 [pid 5252] <... ioctl resumed>) = 0 [pid 5250] munmap(0x7f0cd45eb000, 4194304 [pid 5246] <... chdir resumed>) = 0 [pid 5252] close(3 [pid 5250] <... munmap resumed>) = 0 [pid 5246] ioctl(4, LOOP_CLR_FD [pid 5252] <... close resumed>) = 0 [pid 5250] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5252] mkdir("./file0", 0777 [pid 5246] <... ioctl resumed>) = 0 [pid 5250] <... openat resumed>) = 4 [pid 5252] <... mkdir resumed>) = 0 [pid 5250] ioctl(4, LOOP_SET_FD, 3 [pid 5246] close(4 [pid 5255] <... ioctl resumed>) = 0 [pid 5255] close(3) = 0 [pid 5255] mkdir("./file0", 0777) = 0 [pid 5255] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5256] <... write resumed>) = 4194304 [pid 5252] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5246] <... close resumed>) = 0 [pid 5256] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5256] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 52.761933][ T5252] loop1: detected capacity change from 0 to 8192 [ 52.773441][ T5255] loop3: detected capacity change from 0 to 8192 [ 52.773502][ T5247] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 52.789969][ T5247] REISERFS (device loop4): using ordered data mode [ 52.797420][ T5247] reiserfs: using flush barriers [ 52.801942][ T5250] loop5: detected capacity change from 0 to 8192 [ 52.807904][ T5256] loop2: detected capacity change from 0 to 8192 [pid 5256] ioctl(4, LOOP_SET_FD, 3 [pid 5246] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5256] <... ioctl resumed>) = 0 [pid 5256] close(3) = 0 [pid 5256] mkdir("./file0", 0777) = 0 [pid 5256] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5250] <... ioctl resumed>) = 0 [pid 5250] close(3) = 0 [pid 5250] mkdir("./file0", 0777) = 0 [pid 5250] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5246] <... futex resumed>) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5245] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5245] <... futex resumed>) = 0 [pid 5245] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5246] <... openat resumed>) = 4 [pid 5246] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5245] <... futex resumed>) = 0 [pid 5246] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 0 [pid 5246] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5246] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5246] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [pid 5245] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 0 [pid 5246] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5246] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5246] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [pid 5245] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5246] <... futex resumed>) = 0 [pid 5246] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5246] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5246] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5245] <... futex resumed>) = 1 [ 52.809246][ T5247] 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 [ 52.820920][ T5255] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.844527][ T5255] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 52.853943][ T5255] REISERFS (device loop3): using ordered data mode [ 52.860498][ T5255] reiserfs: using flush barriers [pid 5245] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5245] exit_group(0 [pid 5246] <... futex resumed>) = ? [pid 5245] <... exit_group resumed>) = ? [pid 5246] +++ exited with 0 +++ [pid 5245] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5000] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5000] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./13/binderfs") = 0 [ 52.866282][ T5247] REISERFS (device loop4): checking transaction log (loop4) [ 52.869289][ T5252] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.891878][ T5255] 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 [ 52.908678][ T5250] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.910001][ T5256] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 52.921724][ T5250] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 52.937996][ T5256] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 52.952256][ T5247] REISERFS (device loop4): Using r5 hash to sort names [ 52.953172][ T5256] REISERFS (device loop2): using ordered data mode [pid 5000] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [pid 5000] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5000] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] close(4) = 0 [pid 5000] rmdir("./13/file0") = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] close(3) = 0 [pid 5000] rmdir("./13") = 0 [pid 5000] mkdir("./14", 0777) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5000] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5000] close(3) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5262 ./strace-static-x86_64: Process 5262 attached [pid 5262] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5262] chdir("./14") = 0 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5262] setpgid(0, 0) = 0 [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5262] write(3, "1000", 4) = 4 [pid 5262] close(3) = 0 [pid 5262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5262] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5262] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5262] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5262] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5263], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5263 [pid 5262] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5262] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5263 attached [pid 5263] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5263] memfd_create("syzkaller", 0) = 3 [pid 5263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [ 52.959931][ T5252] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 52.975507][ T5256] reiserfs: using flush barriers [ 52.975701][ T5247] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [ 52.993530][ T5256] 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 5263] 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) = 4194304 [pid 5263] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5263] ioctl(4, LOOP_SET_FD, 3 [pid 5247] <... mount resumed>) = 0 [pid 5263] <... ioctl resumed>) = 0 [pid 5263] close(3) = 0 [pid 5263] mkdir("./file0", 0777) = 0 [ 53.018804][ T5255] REISERFS (device loop3): checking transaction log (loop3) [ 53.030723][ T5250] REISERFS (device loop5): using ordered data mode [ 53.043626][ T5256] REISERFS (device loop2): checking transaction log (loop2) [ 53.052514][ T5252] REISERFS (device loop1): using ordered data mode [ 53.052850][ T5263] loop0: detected capacity change from 0 to 8192 [pid 5263] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5247] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5247] chdir("./file0") = 0 [pid 5247] ioctl(4, LOOP_CLR_FD) = 0 [pid 5247] close(4) = 0 [pid 5247] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] <... futex resumed>) = 1 [pid 5247] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5247] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] <... futex resumed>) = 1 [pid 5247] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5247] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] <... futex resumed>) = 1 [pid 5247] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5247] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5244] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5247] <... futex resumed>) = 1 [pid 5247] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5247] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5244] <... futex resumed>) = 0 [pid 5244] exit_group(0) = ? [pid 5247] <... futex resumed>) = ? [pid 5247] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ [ 53.063074][ T5250] reiserfs: using flush barriers [ 53.070249][ T5252] reiserfs: using flush barriers [ 53.071077][ T5263] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.075834][ T5252] 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 [ 53.089952][ T5263] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=16 /* 0.16 s */} --- [pid 5005] umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./12/binderfs") = 0 [ 53.124567][ T5250] REISERFS (device loop5): using ordered data mode [ 53.124575][ T5263] REISERFS (device loop0): using ordered data mode [ 53.124581][ T5263] reiserfs: using flush barriers [ 53.125079][ T5252] REISERFS (device loop1): checking transaction log (loop1) [ 53.138805][ T5250] REISERFS (device loop5): checking transaction log (loop5) [ 53.144829][ T5263] 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 [pid 5005] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5255] <... mount resumed>) = 0 [pid 5255] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5255] chdir("./file0") = 0 [pid 5255] ioctl(4, LOOP_CLR_FD) = 0 [pid 5255] close(4) = 0 [pid 5255] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5253] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... openat resumed>) = 4 [pid 5255] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5255] ioctl(4, FS_IOC_GETVERSION [pid 5253] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5255] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... futex resumed>) = 0 [pid 5253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5255] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5253] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] <... openat resumed>) = 5 [pid 5255] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5253] <... futex resumed>) = 0 [pid 5253] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5253] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5255] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5255] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5253] <... futex resumed>) = 0 [pid 5253] exit_group(0 [pid 5255] <... futex resumed>) = ? [pid 5253] <... exit_group resumed>) = ? [pid 5255] +++ exited with 0 +++ [pid 5253] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5004] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./14/binderfs") = 0 [ 53.182012][ T5263] REISERFS (device loop0): checking transaction log (loop0) [ 53.182524][ T5255] REISERFS (device loop3): Using r5 hash to sort names [ 53.194898][ T5256] REISERFS (device loop2): Using r5 hash to sort names [ 53.196672][ T5255] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5004] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] <... umount2 resumed>) = 0 [pid 5005] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5005] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./12/file0") = 0 [ 53.251062][ T5256] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 53.261091][ T5250] REISERFS (device loop5): Using r5 hash to sort names [pid 5256] <... mount resumed>) = 0 [pid 5256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5005] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5256] <... openat resumed>) = 3 [pid 5005] rmdir("./12" [pid 5256] chdir("./file0") = 0 [pid 5256] ioctl(4, LOOP_CLR_FD [pid 5005] <... rmdir resumed>) = 0 [pid 5256] <... ioctl resumed>) = 0 [pid 5005] mkdir("./13", 0777 [pid 5256] close(4 [pid 5005] <... mkdir resumed>) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5265 [pid 5004] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5265 attached [pid 5265] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5265] chdir("./13") = 0 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5265] setpgid(0, 0) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5004] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5265] write(3, "1000", 4) = 4 [pid 5265] close(3) = 0 [pid 5004] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5265] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5265] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5265] <... futex resumed>) = 0 [pid 5265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./14/file0") = 0 [pid 5265] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5265] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./14" [pid 5265] <... clone resumed>, parent_tid=[5266], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5266 [pid 5004] <... rmdir resumed>) = 0 [pid 5265] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5265] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] mkdir("./15", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5267 ./strace-static-x86_64: Process 5266 attached [pid 5266] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5266] memfd_create("syzkaller", 0) = 3 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5250] <... mount resumed>) = 0 [pid 5250] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5250] chdir("./file0") = 0 [pid 5250] ioctl(4, LOOP_CLR_FD) = 0 [pid 5250] close(4) = 0 [pid 5250] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] <... futex resumed>) = 0 [pid 5248] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] <... close resumed>) = 0 [pid 5250] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5250] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5256] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5254] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5254] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5250] <... openat resumed>) = 4 [pid 5250] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5248] <... futex resumed>) = 0 [pid 5248] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5250] <... futex resumed>) = 0 [pid 5250] ioctl(4, FS_IOC_GETVERSION [pid 5248] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5250] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5248] <... futex resumed>) = 0 [pid 5248] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5256] <... openat resumed>) = 4 [pid 5250] <... openat resumed>) = 5 [pid 5256] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5248] <... futex resumed>) = 0 [pid 5254] <... futex resumed>) = 0 [pid 5256] <... futex resumed>) = 1 [pid 5254] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5254] <... futex resumed>) = 0 [pid 5250] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5254] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5248] <... futex resumed>) = 0 [pid 5256] ioctl(4, FS_IOC_GETVERSION [pid 5250] <... mmap resumed>) = 0x20000000 [pid 5248] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5248] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5256] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5248] exit_group(0 [pid 5256] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5248] <... exit_group resumed>) = ? [pid 5254] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5250] <... futex resumed>) = ? [ 53.292340][ T5250] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [pid 5256] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5254] <... futex resumed>) = 0 [pid 5256] <... openat resumed>) = 5 [pid 5254] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5250] +++ exited with 0 +++ [pid 5248] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=0, si_stime=15 /* 0.15 s */} --- [pid 5006] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5006] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./13/binderfs") = 0 [pid 5006] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5256] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5267 attached ) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5256] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] set_robust_list(0x555555cac5e0, 24 [pid 5256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5254] <... futex resumed>) = 0 [pid 5256] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5254] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] <... mmap resumed>) = 0x20000000 [pid 5267] <... set_robust_list resumed>) = 0 [pid 5256] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] chdir("./15" [pid 5256] <... futex resumed>) = 1 [pid 5254] <... futex resumed>) = 0 [pid 5256] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5254] exit_group(0 [pid 5267] <... chdir resumed>) = 0 [pid 5256] <... futex resumed>) = ? [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5254] <... exit_group resumed>) = ? [pid 5256] +++ exited with 0 +++ [pid 5254] +++ exited with 0 +++ [pid 5267] <... prctl resumed>) = 0 [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5003] restart_syscall(<... resuming interrupted clone ...> [pid 5267] setpgid(0, 0) = 0 [pid 5003] <... restart_syscall resumed>) = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5003] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./13/binderfs" [pid 5267] <... openat resumed>) = 3 [pid 5003] <... unlink resumed>) = 0 [pid 5003] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5267] write(3, "1000", 4) = 4 [ 53.333589][ T5252] REISERFS (device loop1): Using r5 hash to sort names [ 53.351663][ T5252] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 53.362175][ T5263] REISERFS (device loop0): Using r5 hash to sort names [pid 5267] close(3 [pid 5252] <... mount resumed>) = 0 [pid 5267] <... close resumed>) = 0 [pid 5252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5267] symlink("/dev/binderfs", "./binderfs" [pid 5252] <... openat resumed>) = 3 [pid 5267] <... symlink resumed>) = 0 [pid 5252] chdir("./file0" [pid 5267] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... chdir resumed>) = 0 [pid 5267] <... futex resumed>) = 0 [pid 5263] <... mount resumed>) = 0 [pid 5252] ioctl(4, LOOP_CLR_FD [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5252] <... ioctl resumed>) = 0 [pid 5263] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5267] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5252] close(4) = 0 [pid 5267] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5252] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... mprotect resumed>) = 0 [pid 5252] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5267] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5252] <... openat resumed>) = 4 [pid 5252] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... clone resumed>, parent_tid=[5268], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5268 [pid 5252] <... futex resumed>) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5252] ioctl(4, FS_IOC_GETVERSION [pid 5267] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5249] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5267] <... futex resumed>) = 0 [pid 5266] 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 5252] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5267] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5252] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000./strace-static-x86_64: Process 5268 attached [pid 5263] <... openat resumed>) = 3 [pid 5252] <... openat resumed>) = 5 [pid 5268] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5263] chdir("./file0" [pid 5252] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... set_robust_list resumed>) = 0 [pid 5263] <... chdir resumed>) = 0 [pid 5252] <... futex resumed>) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5249] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5249] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] memfd_create("syzkaller", 0 [pid 5263] ioctl(4, LOOP_CLR_FD [pid 5252] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5268] <... memfd_create resumed>) = 3 [pid 5263] <... ioctl resumed>) = 0 [pid 5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5263] close(4 [pid 5252] <... mmap resumed>) = 0x20000000 [pid 5268] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5266] <... write resumed>) = 4194304 [pid 5263] <... close resumed>) = 0 [pid 5252] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5006] <... umount2 resumed>) = 0 [pid 5266] munmap(0x7f0cd45eb000, 4194304 [pid 5263] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5252] <... futex resumed>) = 1 [pid 5249] <... futex resumed>) = 0 [pid 5263] <... futex resumed>) = 1 [pid 5249] exit_group(0 [pid 5263] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5249] <... exit_group resumed>) = ? [pid 5262] <... futex resumed>) = 0 [pid 5252] +++ exited with 0 +++ [pid 5249] +++ exited with 0 +++ [pid 5262] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5002] restart_syscall(<... resuming interrupted clone ...> [pid 5263] <... futex resumed>) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5263] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5262] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] <... restart_syscall resumed>) = 0 [pid 5263] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5263] <... futex resumed>) = 0 [pid 5262] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] ioctl(4, FS_IOC_GETVERSION [pid 5002] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5263] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5262] <... futex resumed>) = 0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5263] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5263] <... futex resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5263] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5262] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5002] unlink("./13/binderfs" [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5002] <... unlink resumed>) = 0 [pid 5262] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5263] <... futex resumed>) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5263] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5262] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5263] <... openat resumed>) = 5 [pid 5263] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5266] <... munmap resumed>) = 0 [pid 5263] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5262] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5263] <... futex resumed>) = 0 [pid 5262] <... futex resumed>) = 1 [pid 5263] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5262] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5263] <... mmap resumed>) = 0x20000000 [pid 5006] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5263] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5266] <... openat resumed>) = 4 [pid 5262] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] ioctl(4, LOOP_SET_FD, 3 [pid 5262] exit_group(0 [pid 5006] lstat("./13/file0", [pid 5263] <... futex resumed>) = ? [pid 5262] <... exit_group resumed>) = ? [pid 5263] +++ exited with 0 +++ [ 53.381531][ T5263] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5262] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5000] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./14/binderfs") = 0 [pid 5000] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5268] 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 5266] <... ioctl resumed>) = 0 [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] <... umount2 resumed>) = 0 [pid 5266] close(3 [pid 5006] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5266] <... close resumed>) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5266] mkdir("./file0", 0777 [pid 5006] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5266] <... mkdir resumed>) = 0 [pid 5006] <... openat resumed>) = 4 [pid 5266] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5006] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5006] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] close(4) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] rmdir("./13/file0") = 0 [pid 5003] lstat("./13/file0", [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] close(3) = 0 [pid 5003] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5006] rmdir("./13") = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] mkdir("./14", 0777) = 0 [pid 5003] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5003] <... openat resumed>) = 4 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] fstat(4, [pid 5006] close(3) = 0 [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] getdents64(4, [pid 5006] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5270 [pid 5003] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4) = 0 [pid 5003] rmdir("./13/file0") = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./13") = 0 [pid 5003] mkdir("./14", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5271 ./strace-static-x86_64: Process 5270 attached [pid 5270] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5270] chdir("./14") = 0 [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5270] setpgid(0, 0) = 0 [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5270] write(3, "1000", 4) = 4 [pid 5270] close(3) = 0 [pid 5270] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5270] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5270] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [ 53.439656][ T5266] loop4: detected capacity change from 0 to 8192 [pid 5270] clone(child_stack=0x7f0cdca0b3f0, 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 5271 attached [pid 5002] <... umount2 resumed>) = 0 [pid 5270] <... clone resumed>, parent_tid=[5272], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5272 [pid 5271] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5270] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] chdir("./14" [pid 5270] <... futex resumed>) = 0 [pid 5271] <... chdir resumed>) = 0 [pid 5270] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5271] setpgid(0, 0 [pid 5002] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5271] <... setpgid resumed>) = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5271] <... openat resumed>) = 3 [pid 5002] lstat("./13/file0", [pid 5000] <... umount2 resumed>) = 0 ./strace-static-x86_64: Process 5272 attached [pid 5272] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5272] memfd_create("syzkaller", 0) = 3 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5271] write(3, "1000", 4 [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5271] <... write resumed>) = 4 [pid 5002] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5268] <... write resumed>) = 4194304 [pid 5268] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5268] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5271] close(3 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./14/file0", [pid 5271] <... close resumed>) = 0 [pid 5271] symlink("/dev/binderfs", "./binderfs" [pid 5002] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5268] ioctl(4, LOOP_SET_FD, 3 [pid 5271] <... symlink resumed>) = 0 [pid 5002] <... openat resumed>) = 4 [ 53.495380][ T5266] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.511859][ T5266] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 53.522268][ T5266] REISERFS (device loop4): using ordered data mode [ 53.529385][ T5266] reiserfs: using flush barriers [ 53.530542][ T5268] loop3: detected capacity change from 0 to 8192 [pid 5000] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5271] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] fstat(4, [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5271] <... futex resumed>) = 0 [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5002] getdents64(4, [pid 5000] <... openat resumed>) = 4 [pid 5271] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5000] fstat(4, [pid 5271] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5002] getdents64(4, [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5271] <... mprotect resumed>) = 0 [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] getdents64(4, [pid 5271] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5002] close(4 [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] <... close resumed>) = 0 [pid 5000] getdents64(4, [pid 5271] <... clone resumed>, parent_tid=[5273], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5273 [pid 5002] rmdir("./13/file0" [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5271] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] close(4 [pid 5271] <... futex resumed>) = 0 [pid 5002] getdents64(3, [pid 5000] <... close resumed>) = 0 [pid 5271] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5000] rmdir("./14/file0" [pid 5002] close(3 [pid 5000] <... rmdir resumed>) = 0 [pid 5002] <... close resumed>) = 0 [pid 5000] getdents64(3, [pid 5002] rmdir("./13" [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5000] close(3 [pid 5002] mkdir("./14", 0777 [pid 5000] <... close resumed>) = 0 [pid 5002] <... mkdir resumed>) = 0 [pid 5000] rmdir("./14" [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] <... rmdir resumed>) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5000] mkdir("./15", 0777 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] <... mkdir resumed>) = 0 [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5002] close(3 [pid 5000] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5273 attached [pid 5002] <... close resumed>) = 0 [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5273] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5000] close(3 [pid 5273] memfd_create("syzkaller", 0 [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5274 [pid 5273] <... memfd_create resumed>) = 3 [pid 5000] <... close resumed>) = 0 [pid 5273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5275 ./strace-static-x86_64: Process 5274 attached ./strace-static-x86_64: Process 5275 attached [pid 5268] <... ioctl resumed>) = 0 [pid 5268] close(3 [pid 5275] set_robust_list(0x555555cac5e0, 24 [pid 5274] set_robust_list(0x555555cac5e0, 24 [pid 5268] <... close resumed>) = 0 [pid 5275] <... set_robust_list resumed>) = 0 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5272] 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 5268] mkdir("./file0", 0777 [pid 5275] chdir("./15" [pid 5274] chdir("./14" [pid 5268] <... mkdir resumed>) = 0 [pid 5275] <... chdir resumed>) = 0 [pid 5274] <... chdir resumed>) = 0 [pid 5268] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5275] <... prctl resumed>) = 0 [pid 5274] <... prctl resumed>) = 0 [pid 5275] setpgid(0, 0 [pid 5274] setpgid(0, 0 [pid 5275] <... setpgid resumed>) = 0 [pid 5274] <... setpgid resumed>) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... openat resumed>) = 3 [pid 5274] <... openat resumed>) = 3 [pid 5275] write(3, "1000", 4 [pid 5274] write(3, "1000", 4 [pid 5275] <... write resumed>) = 4 [pid 5274] <... write resumed>) = 4 [pid 5275] close(3 [pid 5274] close(3 [pid 5275] <... close resumed>) = 0 [pid 5274] <... close resumed>) = 0 [pid 5275] symlink("/dev/binderfs", "./binderfs" [pid 5274] symlink("/dev/binderfs", "./binderfs" [pid 5275] <... symlink resumed>) = 0 [pid 5274] <... symlink resumed>) = 0 [pid 5275] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [ 53.535092][ T5266] 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 [ 53.557177][ T5266] REISERFS (device loop4): checking transaction log (loop4) [pid 5274] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5273] 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 5275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5274] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5275] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5274] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5275] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5274] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5275] <... mprotect resumed>) = 0 [pid 5274] <... mprotect resumed>) = 0 [pid 5275] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5274] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5275] <... clone resumed>, parent_tid=[5277], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5277 [pid 5274] <... clone resumed>, parent_tid=[5278], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5278 [pid 5275] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... futex resumed>) = 0 [pid 5274] <... futex resumed>) = 0 [pid 5275] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5274] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5277 attached ./strace-static-x86_64: Process 5278 attached [pid 5278] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5277] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5278] memfd_create("syzkaller", 0) = 3 [pid 5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5277] <... set_robust_list resumed>) = 0 [pid 5277] memfd_create("syzkaller", 0 [pid 5272] <... write resumed>) = 4194304 [ 53.596197][ T5268] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.609725][ T5268] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 53.619064][ T5268] REISERFS (device loop3): using ordered data mode [ 53.625578][ T5268] reiserfs: using flush barriers [pid 5277] <... memfd_create resumed>) = 3 [pid 5273] <... write resumed>) = 4194304 [pid 5277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5273] munmap(0x7f0cd45eb000, 4194304 [pid 5272] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 5272] ioctl(4, LOOP_SET_FD, 3 [pid 5273] <... munmap resumed>) = 0 [pid 5272] <... ioctl resumed>) = 0 [pid 5272] close(3) = 0 [pid 5272] mkdir("./file0", 0777) = 0 [pid 5272] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5273] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [ 53.631493][ T5268] 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 [ 53.658001][ T5272] loop5: detected capacity change from 0 to 8192 [ 53.659402][ T5268] REISERFS (device loop3): checking transaction log (loop3) [ 53.674457][ T5273] loop2: detected capacity change from 0 to 8192 [ 53.681406][ T5266] REISERFS (device loop4): Using r5 hash to sort names [pid 5273] ioctl(4, LOOP_SET_FD, 3 [pid 5266] <... mount resumed>) = 0 [pid 5266] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5273] <... ioctl resumed>) = 0 [pid 5273] close(3) = 0 [pid 5273] mkdir("./file0", 0777 [pid 5266] <... openat resumed>) = 3 [pid 5266] chdir("./file0") = 0 [pid 5266] ioctl(4, LOOP_CLR_FD [pid 5277] 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 5266] <... ioctl resumed>) = 0 [pid 5273] <... mkdir resumed>) = 0 [pid 5273] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5266] close(4) = 0 [pid 5266] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5265] <... futex resumed>) = 0 [pid 5266] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5265] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... openat resumed>) = 4 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] ioctl(4, FS_IOC_GETVERSION [pid 5265] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5265] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... openat resumed>) = 5 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5265] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5266] <... mmap resumed>) = 0x20000000 [pid 5265] <... futex resumed>) = 0 [pid 5266] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5265] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5266] <... futex resumed>) = 0 [pid 5265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5266] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5265] exit_group(0 [pid 5266] <... futex resumed>) = ? [pid 5265] <... exit_group resumed>) = ? [pid 5266] +++ exited with 0 +++ [pid 5265] +++ exited with 0 +++ [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- [pid 5005] umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./13/binderfs") = 0 [pid 5005] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [ 53.681414][ T5272] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.688407][ T5266] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5278] 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) = 4194304 [pid 5278] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5278] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5278] ioctl(4, LOOP_SET_FD, 3 [pid 5277] <... write resumed>) = 4194304 [ 53.712336][ T5272] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 53.756920][ T5273] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.772826][ T5268] REISERFS (device loop3): Using r5 hash to sort names [ 53.780362][ T5278] loop1: detected capacity change from 0 to 8192 [pid 5277] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5277] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5277] close(3) = 0 [pid 5277] mkdir("./file0", 0777) = 0 [pid 5277] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5278] <... ioctl resumed>) = 0 [ 53.788124][ T5268] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [ 53.792959][ T5272] REISERFS (device loop5): using ordered data mode [ 53.797305][ T5273] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 53.807943][ T5277] loop0: detected capacity change from 0 to 8192 [ 53.813038][ T5273] REISERFS (device loop2): using ordered data mode [ 53.826106][ T5272] reiserfs: using flush barriers [ 53.830403][ T5277] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5278] close(3 [pid 5268] <... mount resumed>) = 0 [pid 5005] <... umount2 resumed>) = 0 [pid 5278] <... close resumed>) = 0 [pid 5268] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [ 53.831738][ T5273] reiserfs: using flush barriers [ 53.844198][ T5272] 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 [ 53.849591][ T5277] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 53.874116][ T5273] 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 5005] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5278] mkdir("./file0", 0777 [pid 5268] <... openat resumed>) = 3 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5268] chdir("./file0" [pid 5005] lstat("./13/file0", [pid 5268] <... chdir resumed>) = 0 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5278] <... mkdir resumed>) = 0 [pid 5268] ioctl(4, LOOP_CLR_FD [pid 5278] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5268] <... ioctl resumed>) = 0 [pid 5005] umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5268] close(4 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5268] <... close resumed>) = 0 [pid 5005] openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5268] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5267] <... futex resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5268] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [ 53.874156][ T5277] REISERFS (device loop0): using ordered data mode [ 53.896892][ T5277] reiserfs: using flush barriers [ 53.903974][ T5272] REISERFS (device loop5): checking transaction log (loop5) [ 53.906436][ T5277] 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 [ 53.913276][ T5273] REISERFS (device loop2): checking transaction log (loop2) [pid 5005] fstat(4, [pid 5267] <... futex resumed>) = 0 [pid 5267] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] close(4) = 0 [pid 5005] rmdir("./13/file0") = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3) = 0 [pid 5005] rmdir("./13") = 0 [pid 5005] mkdir("./14", 0777) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5005] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5005] close(3) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5283 [pid 5268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5268] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5267] <... futex resumed>) = 0 [pid 5268] ioctl(4, FS_IOC_GETVERSION [pid 5267] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5267] <... futex resumed>) = 0 [pid 5268] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5267] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] <... openat resumed>) = 5 [pid 5267] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5267] <... futex resumed>) = 0 [pid 5268] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5267] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5268] <... mmap resumed>) = 0x20000000 [pid 5267] <... futex resumed>) = 0 [pid 5268] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... futex resumed>) = 0 [pid 5267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5268] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5267] exit_group(0 [pid 5268] <... futex resumed>) = ? [pid 5267] <... exit_group resumed>) = ? [pid 5268] +++ exited with 0 +++ [pid 5267] +++ exited with 0 +++ [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5004] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5004] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5004] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5004] unlink("./15/binderfs") = 0 [pid 5004] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5283 attached [pid 5283] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5283] chdir("./14") = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5283] setpgid(0, 0) = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5283] write(3, "1000", 4) = 4 [pid 5283] close(3) = 0 [pid 5283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5283] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5283] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5283] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5284], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5284 [pid 5283] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5284 attached [pid 5284] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5004] <... umount2 resumed>) = 0 [pid 5284] memfd_create("syzkaller", 0) = 3 [ 53.941125][ T5278] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 53.941859][ T5277] REISERFS (device loop0): checking transaction log (loop0) [ 53.966682][ T5278] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 [pid 5004] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] lstat("./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5004] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5004] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5004] close(4) = 0 [pid 5004] rmdir("./15/file0" [pid 5284] 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 5004] <... rmdir resumed>) = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./15") = 0 [pid 5004] mkdir("./16", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5285 [ 54.005415][ T5278] REISERFS (device loop1): using ordered data mode [ 54.012234][ T5278] reiserfs: using flush barriers [ 54.021402][ T5278] 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 ./strace-static-x86_64: Process 5285 attached [pid 5285] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5285] chdir("./16") = 0 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5285] setpgid(0, 0) = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5285] write(3, "1000", 4) = 4 [pid 5285] close(3) = 0 [pid 5285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5285] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] <... write resumed>) = 4194304 [pid 5284] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5284] ioctl(4, LOOP_SET_FD, 3 [pid 5285] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5272] <... mount resumed>) = 0 [ 54.051608][ T5272] REISERFS (device loop5): Using r5 hash to sort names [ 54.072425][ T5272] REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. [ 54.081743][ T5284] loop4: detected capacity change from 0 to 8192 [ 54.084706][ T5278] REISERFS (device loop1): checking transaction log (loop1) [ 54.092174][ T5273] REISERFS (device loop2): Using r5 hash to sort names [pid 5285] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5284] <... ioctl resumed>) = 0 [pid 5272] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5285] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5284] close(3 [pid 5272] <... openat resumed>) = 3 [pid 5285] <... mprotect resumed>) = 0 [pid 5284] <... close resumed>) = 0 [pid 5272] chdir("./file0" [pid 5273] <... mount resumed>) = 0 [pid 5273] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5272] <... chdir resumed>) = 0 [pid 5285] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5284] mkdir("./file0", 0777 [pid 5273] <... openat resumed>) = 3 [pid 5273] chdir("./file0") = 0 [pid 5273] ioctl(4, LOOP_CLR_FD) = 0 [pid 5272] ioctl(4, LOOP_CLR_FD [pid 5273] close(4 [pid 5272] <... ioctl resumed>) = 0 [pid 5285] <... clone resumed>, parent_tid=[5286], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5286 [pid 5284] <... mkdir resumed>) = 0 [pid 5272] close(4 [pid 5273] <... close resumed>) = 0 [pid 5273] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... futex resumed>) = 1 [pid 5273] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5273] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... futex resumed>) = 1 [pid 5273] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5273] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... futex resumed>) = 1 [pid 5273] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5273] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5273] <... futex resumed>) = 1 [pid 5273] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5273] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5271] exit_group(0) = ? [pid 5273] <... futex resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5271] +++ exited with 0 +++ ./strace-static-x86_64: Process 5286 attached [pid 5286] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5286] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=13 /* 0.13 s */} --- [pid 5285] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5272] <... close resumed>) = 0 [pid 5285] <... futex resumed>) = 1 [pid 5277] <... mount resumed>) = 0 [pid 5285] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5277] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5272] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5277] <... openat resumed>) = 3 [pid 5272] <... futex resumed>) = 1 [pid 5270] <... futex resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5277] chdir("./file0" [pid 5272] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5270] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5272] <... openat resumed>) = 4 [pid 5270] <... futex resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 5272] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] <... chdir resumed>) = 0 [pid 5272] <... futex resumed>) = 0 [pid 5270] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] fstat(3, [pid 5277] ioctl(4, LOOP_CLR_FD [pid 5272] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5270] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5270] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... futex resumed>) = 0 [pid 5286] memfd_create("syzkaller", 0) = 3 [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] ioctl(4, FS_IOC_GETVERSION [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5272] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5272] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5272] <... futex resumed>) = 1 [pid 5270] <... futex resumed>) = 0 [pid 5003] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] lstat("./14/binderfs", [pid 5270] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5270] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] 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 5272] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5003] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5272] <... openat resumed>) = 5 [pid 5003] unlink("./14/binderfs" [pid 5272] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5003] <... unlink resumed>) = 0 [pid 5272] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5003] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5270] <... futex resumed>) = 0 [pid 5270] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5270] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5272] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5272] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5270] <... futex resumed>) = 0 [pid 5270] exit_group(0) = ? [pid 5272] +++ exited with 0 +++ [pid 5270] +++ exited with 0 +++ [pid 5006] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5006] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5006] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5006] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] unlink("./14/binderfs") = 0 [pid 5006] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5277] <... ioctl resumed>) = 0 [pid 5277] close(4) = 0 [pid 5277] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... openat resumed>) = 4 [pid 5277] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... write resumed>) = 4194304 [pid 5286] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5286] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [ 54.099859][ T5277] REISERFS (device loop0): Using r5 hash to sort names [ 54.103203][ T5273] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 54.121591][ T5277] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 54.140905][ T5284] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5286] ioctl(4, LOOP_SET_FD, 3 [pid 5277] <... futex resumed>) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... ioctl resumed>) = 0 [pid 5286] close(3) = 0 [pid 5286] mkdir("./file0", 0777) = 0 [pid 5286] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5277] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5277] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5277] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5275] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... openat resumed>) = 5 [pid 5277] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5277] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5277] <... mmap resumed>) = 0x20000000 [pid 5277] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5275] exit_group(0) = ? [pid 5277] +++ exited with 0 +++ [pid 5275] +++ exited with 0 +++ [pid 5000] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=15 /* 0.15 s */} --- [ 54.177103][ T5286] loop3: detected capacity change from 0 to 8192 [ 54.196150][ T5284] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 54.196776][ T5278] REISERFS (device loop1): Using r5 hash to sort names [ 54.205721][ T5284] REISERFS (device loop4): using ordered data mode [ 54.219244][ T5284] reiserfs: using flush barriers [pid 5000] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5000] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5000] getdents64(3, [pid 5278] <... mount resumed>) = 0 [pid 5278] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5000] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5000] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5000] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5000] unlink("./15/binderfs" [pid 5278] <... openat resumed>) = 3 [pid 5278] chdir("./file0") = 0 [pid 5000] <... unlink resumed>) = 0 [pid 5278] ioctl(4, LOOP_CLR_FD [pid 5000] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5278] <... ioctl resumed>) = 0 [pid 5278] close(4) = 0 [pid 5278] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = 1 [pid 5278] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5278] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = 1 [pid 5278] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5278] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = 1 [pid 5278] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5278] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5274] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5278] <... futex resumed>) = 1 [pid 5278] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5278] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5274] <... futex resumed>) = 0 [pid 5274] exit_group(0) = ? [pid 5278] <... futex resumed>) = ? [pid 5278] +++ exited with 0 +++ [pid 5274] +++ exited with 0 +++ [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4) = 0 [pid 5003] rmdir("./14/file0") = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./14") = 0 [pid 5003] mkdir("./15", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5289 ./strace-static-x86_64: Process 5289 attached [pid 5289] set_robust_list(0x555555cac5e0, 24) = 0 [pid 5289] chdir("./15") = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5289] setpgid(0, 0) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5289] write(3, "1000", 4) = 4 [pid 5289] close(3) = 0 [pid 5289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5289] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0cdc9eb000 [pid 5289] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5289] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5290], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5290 [pid 5289] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5289] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5290 attached [pid 5290] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5290] memfd_create("syzkaller", 0) = 3 [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5002] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=14 /* 0.14 s */} --- [pid 5002] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 54.225274][ T5286] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.225369][ T5278] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 54.247382][ T5284] 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 [ 54.266400][ T5286] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5002] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5290] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5002] <... openat resumed>) = 3 [pid 5002] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5002] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5002] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5002] unlink("./14/binderfs") = 0 [ 54.275873][ T5286] REISERFS (device loop3): using ordered data mode [ 54.283115][ T5286] reiserfs: using flush barriers [ 54.289829][ T5286] 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 [ 54.290022][ T5284] REISERFS (device loop4): checking transaction log (loop4) [pid 5002] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5284] <... mount resumed>) = 0 [pid 5284] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5284] chdir("./file0") = 0 [pid 5284] ioctl(4, LOOP_CLR_FD) = 0 [pid 5284] close(4) = 0 [pid 5284] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5284] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... futex resumed>) = 0 [pid 5284] ioctl(4, FS_IOC_GETVERSION [pid 5283] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5284] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... futex resumed>) = 0 [pid 5284] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5283] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... openat resumed>) = 5 [pid 5284] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5283] <... futex resumed>) = 0 [pid 5284] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5283] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... mmap resumed>) = 0x20000000 [pid 5284] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5284] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5283] exit_group(0 [pid 5284] <... futex resumed>) = ? [pid 5283] <... exit_group resumed>) = ? [pid 5284] +++ exited with 0 +++ [pid 5283] +++ exited with 0 +++ [ 54.331919][ T5284] REISERFS (device loop4): Using r5 hash to sort names [ 54.338899][ T5286] REISERFS (device loop3): checking transaction log (loop3) [ 54.346504][ T5284] REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. [pid 5005] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5005] umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5005] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5005] umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5005] lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5005] unlink("./14/binderfs") = 0 [pid 5005] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5290] 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 5286] <... mount resumed>) = 0 [pid 5286] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5286] chdir("./file0") = 0 [pid 5286] ioctl(4, LOOP_CLR_FD) = 0 [pid 5286] close(4) = 0 [pid 5286] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5286] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5285] <... futex resumed>) = 0 [pid 5286] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5285] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... openat resumed>) = 4 [pid 5286] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5286] ioctl(4, FS_IOC_GETVERSION [pid 5285] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5286] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5285] <... futex resumed>) = 0 [pid 5286] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5285] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... futex resumed>) = 0 [pid 5285] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5286] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000 [pid 5285] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... openat resumed>) = 5 [pid 5286] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5286] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5285] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5285] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5286] <... mmap resumed>) = 0x20000000 [pid 5006] <... umount2 resumed>) = 0 [pid 5002] <... umount2 resumed>) = 0 [pid 5286] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5002] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5286] <... futex resumed>) = 1 [pid 5285] <... futex resumed>) = 0 [pid 5286] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5285] exit_group(0 [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... futex resumed>) = ? [pid 5285] <... exit_group resumed>) = ? [pid 5286] +++ exited with 0 +++ [pid 5285] +++ exited with 0 +++ [pid 5002] lstat("./14/file0", [pid 5004] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5002] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... openat resumed>) = 3 [pid 5004] fstat(3, [pid 5002] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] getdents64(3, [pid 5002] <... openat resumed>) = 4 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... getdents64 resumed>0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5006] lstat("./14/file0", [pid 5004] umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] fstat(4, [pid 5006] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] lstat("./16/binderfs", [pid 5002] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5006] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5006] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5004] unlink("./16/binderfs" [pid 5002] getdents64(4, [pid 5290] <... write resumed>) = 4194304 [pid 5006] <... openat resumed>) = 4 [pid 5005] <... umount2 resumed>) = 0 [pid 5004] <... unlink resumed>) = 0 [ 54.380017][ T5286] REISERFS (device loop3): Using r5 hash to sort names [ 54.387305][ T5286] REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. [pid 5290] munmap(0x7f0cd45eb000, 4194304 [pid 5006] fstat(4, [pid 5005] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5004] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5290] <... munmap resumed>) = 0 [pid 5006] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] getdents64(4, [pid 5000] <... umount2 resumed>) = 0 [pid 5290] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5006] getdents64(4, [pid 5005] lstat("./14/file0", [pid 5002] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5000] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5290] <... openat resumed>) = 4 [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] close(4 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5290] ioctl(4, LOOP_SET_FD, 3 [pid 5006] getdents64(4, [pid 5005] umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5002] <... close resumed>) = 0 [pid 5000] lstat("./15/file0", [pid 5006] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5006] close(4) = 0 [pid 5006] rmdir("./14/file0") = 0 [pid 5006] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5006] close(3) = 0 [pid 5006] rmdir("./14") = 0 [pid 5006] mkdir("./15", 0777) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5006] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5006] close(3) = 0 [pid 5006] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5291 [pid 5005] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] rmdir("./14/file0" [pid 5005] openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5005] <... openat resumed>) = 4 [pid 5002] getdents64(3, [pid 5000] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5005] fstat(4, [pid 5002] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] close(3 [pid 5000] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5002] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5005] getdents64(4, [pid 5002] rmdir("./14" [pid 5000] <... openat resumed>) = 4 [pid 5005] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5002] <... rmdir resumed>) = 0 [pid 5005] close(4 [pid 5000] fstat(4, [pid 5002] mkdir("./15", 0777 [pid 5005] <... close resumed>) = 0 [pid 5000] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] rmdir("./14/file0" [pid 5002] <... mkdir resumed>) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5002] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5000] getdents64(4, [pid 5005] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5002] <... openat resumed>) = 3 [pid 5005] close(3 [pid 5002] ioctl(3, LOOP_CLR_FD [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5005] <... close resumed>) = 0 [pid 5000] getdents64(4, [pid 5005] rmdir("./14" [pid 5002] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5005] <... rmdir resumed>) = 0 [pid 5002] close(3 [pid 5000] close(4 [pid 5005] mkdir("./15", 0777 [pid 5002] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 ./strace-static-x86_64: Process 5291 attached [pid 5005] <... mkdir resumed>) = 0 [pid 5002] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] rmdir("./15/file0" [pid 5005] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5291] set_robust_list(0x555555cac5e0, 24 [pid 5000] <... rmdir resumed>) = 0 [pid 5005] <... openat resumed>) = 3 [pid 5000] getdents64(3, [pid 5005] ioctl(3, LOOP_CLR_FD [pid 5002] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5292 [pid 5005] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5000] <... getdents64 resumed>0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5000] close(3 [pid 5005] <... close resumed>) = 0 [pid 5000] <... close resumed>) = 0 [pid 5005] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5000] rmdir("./15" [pid 5291] <... set_robust_list resumed>) = 0 [pid 5291] chdir("./15") = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5291] setpgid(0, 0) = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5005] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5293 [pid 5000] <... rmdir resumed>) = 0 [pid 5291] <... openat resumed>) = 3 [pid 5290] <... ioctl resumed>) = 0 [pid 5000] mkdir("./16", 0777 [pid 5291] write(3, "1000", 4 [pid 5290] close(3 [pid 5000] <... mkdir resumed>) = 0 [pid 5291] <... write resumed>) = 4 [pid 5290] <... close resumed>) = 0 [pid 5000] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5291] close(3 [pid 5290] mkdir("./file0", 0777 [pid 5291] <... close resumed>) = 0 [pid 5000] <... openat resumed>) = 3 [pid 5291] symlink("/dev/binderfs", "./binderfs" [pid 5000] ioctl(3, LOOP_CLR_FD [pid 5291] <... symlink resumed>) = 0 [pid 5000] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 5292 attached [pid 5290] <... mkdir resumed>) = 0 [pid 5000] close(3 [pid 5292] set_robust_list(0x555555cac5e0, 24 [pid 5291] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5290] mount("/dev/loop2", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5000] <... close resumed>) = 0 [pid 5291] <... futex resumed>) = 0 [pid 5000] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5293 attached ) = 0x7f0cdc9eb000 [pid 5293] set_robust_list(0x555555cac5e0, 24 [pid 5291] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5292] <... set_robust_list resumed>) = 0 [pid 5293] <... set_robust_list resumed>) = 0 [pid 5291] <... mprotect resumed>) = 0 [pid 5000] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5294 [pid 5293] chdir("./15" [pid 5292] chdir("./15" [pid 5291] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5293] <... chdir resumed>) = 0 [pid 5292] <... chdir resumed>) = 0 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5291] <... clone resumed>, parent_tid=[5296], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5296 [pid 5293] <... prctl resumed>) = 0 [pid 5293] setpgid(0, 0 [pid 5292] <... prctl resumed>) = 0 [pid 5291] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5293] <... setpgid resumed>) = 0 [pid 5292] setpgid(0, 0 [pid 5291] <... futex resumed>) = 0 [pid 5292] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5294 attached [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5291] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5294] set_robust_list(0x555555cac5e0, 24 [pid 5293] <... openat resumed>) = 3 [pid 5292] <... openat resumed>) = 3 [pid 5294] <... set_robust_list resumed>) = 0 [pid 5293] write(3, "1000", 4 [pid 5292] write(3, "1000", 4 [pid 5293] <... write resumed>) = 4 [pid 5293] close(3) = 0 [pid 5293] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5293] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5296 attached ) = 0x7f0cdc9eb000 [pid 5296] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5293] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5296] <... set_robust_list resumed>) = 0 [pid 5293] <... mprotect resumed>) = 0 [pid 5296] memfd_create("syzkaller", 0 [pid 5293] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5296] <... memfd_create resumed>) = 3 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5293] <... clone resumed>, parent_tid=[5297], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5297 [pid 5296] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5293] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5293] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5294] chdir("./16" [pid 5292] <... write resumed>) = 4 [pid 5294] <... chdir resumed>) = 0 [pid 5292] close(3 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5292] <... close resumed>) = 0 [pid 5294] <... prctl resumed>) = 0 [pid 5292] symlink("/dev/binderfs", "./binderfs" [pid 5294] setpgid(0, 0 [pid 5292] <... symlink resumed>) = 0 [pid 5294] <... setpgid resumed>) = 0 [pid 5292] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5292] <... futex resumed>) = 0 [ 54.458667][ T5290] loop2: detected capacity change from 0 to 8192 [ 54.490959][ T5290] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5297 attached [pid 5294] <... openat resumed>) = 3 [pid 5292] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5004] <... umount2 resumed>) = 0 [pid 5297] set_robust_list(0x7f0cdca0b9e0, 24 [pid 5294] write(3, "1000", 4 [pid 5292] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5004] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5294] <... write resumed>) = 4 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5297] memfd_create("syzkaller", 0 [pid 5294] close(3 [pid 5292] <... mprotect resumed>) = 0 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5297] <... memfd_create resumed>) = 3 [pid 5294] <... close resumed>) = 0 [pid 5292] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] lstat("./16/file0", [pid 5297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5294] symlink("/dev/binderfs", "./binderfs" [pid 5004] <... lstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5294] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 5298 attached [pid 5297] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5296] 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 5294] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5292] <... clone resumed>, parent_tid=[5298], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5298 [pid 5004] umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5294] <... futex resumed>) = 0 [pid 5292] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5292] <... futex resumed>) = 0 [pid 5004] openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5294] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5292] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... openat resumed>) = 4 [pid 5294] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5004] fstat(4, [pid 5294] <... mprotect resumed>) = 0 [pid 5004] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5294] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5004] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5294] <... clone resumed>, parent_tid=[5299], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5299 [pid 5004] getdents64(4, [pid 5294] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5004] <... getdents64 resumed>0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5294] <... futex resumed>) = 0 [pid 5004] close(4 [pid 5294] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5004] <... close resumed>) = 0 [pid 5004] rmdir("./16/file0") = 0 [pid 5004] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5004] close(3) = 0 [pid 5004] rmdir("./16") = 0 [pid 5004] mkdir("./17", 0777) = 0 [pid 5004] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5004] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5004] close(3) = 0 [pid 5004] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555cac5d0) = 5300 [pid 5298] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5298] memfd_create("syzkaller", 0) = 3 [pid 5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0cd45eb000 ./strace-static-x86_64: Process 5300 attached ./strace-static-x86_64: Process 5299 attached [pid 5299] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5299] memfd_create("syzkaller", 0) = 3 [pid 5300] set_robust_list(0x555555cac5e0, 24 [pid 5299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5300] chdir("./17") = 0 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5300] setpgid(0, 0) = 0 [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5300] write(3, "1000", 4) = 4 [pid 5300] close(3) = 0 [pid 5300] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5300] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [ 54.507547][ T5290] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 54.520644][ T5290] REISERFS (device loop2): using ordered data mode [ 54.527437][ T5290] reiserfs: using flush barriers [ 54.533055][ T5290] 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 [ 54.549391][ T5290] REISERFS (device loop2): checking transaction log (loop2) [pid 5297] 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 5300] <... mmap resumed>) = 0x7f0cdc9eb000 [pid 5300] mprotect(0x7f0cdc9ec000, 131072, PROT_READ|PROT_WRITE [pid 5299] 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 5296] <... write resumed>) = 4194304 [pid 5300] <... mprotect resumed>) = 0 [pid 5300] clone(child_stack=0x7f0cdca0b3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5301], tls=0x7f0cdca0b700, child_tidptr=0x7f0cdca0b9d0) = 5301 [pid 5300] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5301 attached [pid 5301] set_robust_list(0x7f0cdca0b9e0, 24) = 0 [pid 5298] 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 5296] munmap(0x7f0cd45eb000, 4194304 [pid 5301] memfd_create("syzkaller", 0) = 3 [pid 5296] <... munmap resumed>) = 0 [pid 5301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5296] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5301] <... mmap resumed>) = 0x7f0cd45eb000 [pid 5296] <... openat resumed>) = 4 [pid 5296] ioctl(4, LOOP_SET_FD, 3 [pid 5297] <... write resumed>) = 4194304 [pid 5297] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5297] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5297] ioctl(4, LOOP_SET_FD, 3 [pid 5298] <... write resumed>) = 4194304 [pid 5298] munmap(0x7f0cd45eb000, 4194304) = 0 [pid 5298] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5298] ioctl(4, LOOP_SET_FD, 3 [pid 5301] 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 5299] <... write resumed>) = 4194304 [pid 5298] <... ioctl resumed>) = 0 [pid 5297] <... ioctl resumed>) = 0 [pid 5296] <... ioctl resumed>) = 0 [pid 5299] munmap(0x7f0cd45eb000, 4194304 [pid 5298] close(3 [pid 5296] close(3 [pid 5299] <... munmap resumed>) = 0 [pid 5298] <... close resumed>) = 0 [pid 5296] <... close resumed>) = 0 [pid 5299] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5298] mkdir("./file0", 0777 [pid 5296] mkdir("./file0", 0777 [pid 5298] <... mkdir resumed>) = 0 [pid 5296] <... mkdir resumed>) = 0 [pid 5298] mount("/dev/loop1", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5296] mount("/dev/loop5", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5299] <... openat resumed>) = 4 [pid 5290] <... mount resumed>) = 0 [pid 5290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5299] ioctl(4, LOOP_SET_FD, 3 [ 54.617312][ T5296] loop5: detected capacity change from 0 to 8192 [ 54.624693][ T5290] REISERFS (device loop2): Using r5 hash to sort names [ 54.633882][ T5297] loop4: detected capacity change from 0 to 8192 [ 54.642389][ T5298] loop1: detected capacity change from 0 to 8192 [ 54.645695][ T5290] REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. [ 54.659746][ T5299] loop0: detected capacity change from 0 to 8192 [pid 5297] close(3 [pid 5290] <... openat resumed>) = 3 [pid 5290] chdir("./file0") = 0 [pid 5290] ioctl(4, LOOP_CLR_FD) = 0 [pid 5290] close(4) = 0 [pid 5290] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5299] <... ioctl resumed>) = 0 [pid 5297] <... close resumed>) = 0 [pid 5289] <... futex resumed>) = 0 [pid 5299] close(3 [pid 5297] mkdir("./file0", 0777 [pid 5289] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... write resumed>) = 4194304 [pid 5299] <... close resumed>) = 0 [pid 5297] <... mkdir resumed>) = 0 [pid 5289] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5290] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5290] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] munmap(0x7f0cd45eb000, 4194304 [pid 5299] mkdir("./file0", 0777 [pid 5297] mount("/dev/loop4", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [ 54.660412][ T5296] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.679757][ T5298] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.688402][ T5296] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 54.693737][ T5298] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 54.702492][ T5296] REISERFS (device loop5): using ordered data mode [pid 5289] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] <... munmap resumed>) = 0 [pid 5299] <... mkdir resumed>) = 0 [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5301] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5299] mount("/dev/loop0", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5289] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] <... openat resumed>) = 4 [pid 5289] <... futex resumed>) = 1 [ 54.711573][ T5298] REISERFS (device loop1): using ordered data mode [ 54.719478][ T5296] reiserfs: using flush barriers [ 54.724551][ T5298] reiserfs: using flush barriers [ 54.732049][ T5301] loop3: detected capacity change from 0 to 8192 [ 54.734207][ T5297] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [pid 5301] ioctl(4, LOOP_SET_FD, 3 [pid 5289] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] <... ioctl resumed>) = 0 [pid 5290] <... futex resumed>) = 0 [pid 5290] ioctl(4, FS_IOC_GETVERSION, 0) = -1 EFAULT (Bad address) [pid 5290] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] close(3 [pid 5289] <... futex resumed>) = 0 [pid 5301] <... close resumed>) = 0 [ 54.741261][ T5296] 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 [ 54.753743][ T5299] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.769449][ T5297] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 54.784038][ T5298] 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 [ 54.807942][ T5299] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [pid 5289] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5301] mkdir("./file0", 0777 [pid 5289] <... futex resumed>) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5290] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5290] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5290] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5301] <... mkdir resumed>) = 0 [pid 5289] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5301] mount("/dev/loop3", "./file0", "reiserfs", MS_NOEXEC|MS_I_VERSION, "" [pid 5289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5289] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5290] <... futex resumed>) = 0 [pid 5289] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5290] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0) = 0x20000000 [pid 5290] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5289] <... futex resumed>) = 0 [pid 5290] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5289] exit_group(0 [pid 5290] <... futex resumed>) = ? [pid 5289] <... exit_group resumed>) = ? [pid 5290] +++ exited with 0 +++ [pid 5289] +++ exited with 0 +++ [pid 5003] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- [pid 5003] umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5003] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(3, 0x555555cad620 /* 4 entries */, 32768) = 112 [pid 5003] umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 5003] unlink("./15/binderfs") = 0 [ 54.808631][ T5297] REISERFS (device loop4): using ordered data mode [ 54.817122][ T5299] REISERFS (device loop0): using ordered data mode [ 54.830765][ T5299] reiserfs: using flush barriers [ 54.836639][ T5296] REISERFS (device loop5): checking transaction log (loop5) [ 54.842545][ T5301] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 54.846298][ T5298] REISERFS (device loop1): checking transaction log (loop1) [pid 5003] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW [pid 5298] <... mount resumed>) = 0 [ 54.882445][ T5297] reiserfs: using flush barriers [ 54.887683][ T5298] REISERFS (device loop1): Using r5 hash to sort names [ 54.889851][ T5299] 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 [ 54.894630][ T5298] REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. [ 54.920167][ T5301] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [pid 5298] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5298] chdir("./file0") = 0 [pid 5298] ioctl(4, LOOP_CLR_FD) = 0 [pid 5298] close(4) = 0 [pid 5298] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5292] <... futex resumed>) = 0 [pid 5298] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] <... futex resumed>) = 0 [pid 5298] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [pid 5292] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5292] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5292] <... futex resumed>) = 1 [pid 5298] ioctl(4, FS_IOC_GETVERSION [pid 5292] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5298] <... ioctl resumed>, 0) = -1 EFAULT (Bad address) [pid 5298] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 54.929352][ T5297] 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 [ 54.945901][ T5297] REISERFS (device loop4): checking transaction log (loop4) [ 54.956578][ T5299] REISERFS (device loop0): checking transaction log (loop0) [pid 5298] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] <... futex resumed>) = 0 [pid 5292] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5298] <... futex resumed>) = 0 [pid 5292] <... futex resumed>) = 1 [pid 5298] openat(AT_FDCWD, "cpuacct.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [pid 5298] futex(0x7f0cdcae578c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5298] futex(0x7f0cdcae5788, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5292] futex(0x7f0cdcae578c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5003] <... umount2 resumed>) = 0 [pid 5003] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] lstat("./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5003] openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5003] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5003] getdents64(4, 0x555555cb5660 /* 2 entries */, 32768) = 48 [pid 5003] getdents64(4, 0x555555cb5660 /* 0 entries */, 32768) = 0 [pid 5003] close(4) = 0 [pid 5003] rmdir("./15/file0" [pid 5292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5003] <... rmdir resumed>) = 0 [pid 5299] <... mount resumed>) = 0 [ 54.982032][ T5301] REISERFS (device loop3): using ordered data mode [ 54.988744][ T5301] reiserfs: using flush barriers [ 54.994220][ T5299] REISERFS (device loop0): Using r5 hash to sort names [ 54.997582][ T5296] REISERFS (device loop5): Using r5 hash to sort names [ 55.001588][ T5299] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 55.017083][ T5301] 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 5003] getdents64(3, 0x555555cad620 /* 0 entries */, 32768) = 0 [pid 5003] close(3) = 0 [pid 5003] rmdir("./15") = 0 [pid 5003] mkdir("./16", 0777) = 0 [pid 5003] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5003] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5003] close(3 [pid 5299] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5292] futex(0x7f0cdcae5788, FUTEX_WAKE_PRIVATE, 1000000 [pid 5003] <... close resumed>) = 0 [pid 5003] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] <... openat resumed>) = 3 [pid 5298] <... futex resumed>) = 0 [pid 5292] <... futex resumed>) = 1 [pid 5298] mmap(0x20000000, 4194304, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_NONBLOCK, 5, 0 [pid 5003] <... clone resumed>, child_tidptr=0x555555cac5d0) = 5307 [pid 5298] <... mmap resumed>) = 0x20000000 [pid 5299] chdir("./file0"