./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor267005554 <...> forked to background, child pid 4648 [ 31.614147][ T4649] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.623469][ T4649] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 32.051680][ T4739] sshd (4739) used greatest stack depth: 20000 bytes left OK syzkaller Warning: Permanently added '10.128.1.171' (ECDSA) to the list of known hosts. execve("./syz-executor267005554", ["./syz-executor267005554"], 0x7ffe3293ba30 /* 10 vars */) = 0 brk(NULL) = 0x555556634000 brk(0x555556634c40) = 0x555556634c40 arch_prctl(ARCH_SET_FS, 0x555556634300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor267005554", 4096) = 27 brk(0x555556655c40) = 0x555556655c40 brk(0x555556656000) = 0x555556656000 mprotect(0x7f2a5d76c000, 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 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=704, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5070}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1c\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x26\x00\x00\x00\x48\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) = 704 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5070}, {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=5070}, {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=5070}, {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=5070}, {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=5070}, {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=5070}, {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 getpid() = 5070 mkdir("./syzkaller.fvyc1y", 0700) = 0 chmod("./syzkaller.fvyc1y", 0777) = 0 chdir("./syzkaller.fvyc1y") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5073 attached , child_tidptr=0x5555566345d0) = 5073 [pid 5073] chdir("./0") = 0 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setpgid(0, 0) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1000", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5073] memfd_create("syzkaller", 0) = 3 [pid 5073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5073] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5073] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5073] close(3) = 0 [pid 5073] mkdir("./file0", 0777) = 0 syzkaller login: [ 56.770229][ T5073] loop0: detected capacity change from 0 to 8192 [ 56.781040][ T5073] ======================================================= [ 56.781040][ T5073] WARNING: The mand mount option has been deprecated and [ 56.781040][ T5073] and is ignored by this kernel. Remove the mand [ 56.781040][ T5073] option from the mount to silence this warning. [ 56.781040][ T5073] ======================================================= [ 56.818719][ T5073] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 56.831772][ T5073] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 56.841427][ T5073] REISERFS (device loop0): using ordered data mode [ 56.848130][ T5073] reiserfs: using flush barriers [ 56.854026][ T5073] 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 5073] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5073] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5073] chdir("./file0") = 0 [pid 5073] ioctl(4, LOOP_CLR_FD) = 0 [pid 5073] close(4) = 0 [pid 5073] creat("./bus", 000) = 4 [pid 5073] ftruncate(4, 2043) = 0 [pid 5073] exit_group(0) = ? [pid 5073] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./0/binderfs") = 0 [ 56.870551][ T5073] REISERFS (device loop0): checking transaction log (loop0) [ 56.880031][ T5073] REISERFS (device loop0): Using r5 hash to sort names [ 56.887836][ T5073] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 56.900725][ T5073] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5075 ./strace-static-x86_64: Process 5075 attached [pid 5075] chdir("./1") = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5075] memfd_create("syzkaller", 0) = 3 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5075] 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 5075] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5075] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5075] close(3) = 0 [pid 5075] mkdir("./file0", 0777) = 0 [ 57.056787][ T5075] loop0: detected capacity change from 0 to 8192 [ 57.068126][ T5075] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.081149][ T5075] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 57.090395][ T5075] REISERFS (device loop0): using ordered data mode [ 57.097053][ T5075] reiserfs: using flush barriers [pid 5075] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5075] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5075] chdir("./file0") = 0 [pid 5075] ioctl(4, LOOP_CLR_FD) = 0 [pid 5075] close(4) = 0 [pid 5075] creat("./bus", 000) = 4 [pid 5075] ftruncate(4, 2043) = 0 [pid 5075] exit_group(0) = ? [pid 5075] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 57.103206][ T5075] 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 [ 57.119562][ T5075] REISERFS (device loop0): checking transaction log (loop0) [ 57.127751][ T5075] REISERFS (device loop0): Using r5 hash to sort names [ 57.135123][ T5075] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 57.147918][ T5075] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./1/binderfs") = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5077 ./strace-static-x86_64: Process 5077 attached [pid 5077] chdir("./2") = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setpgid(0, 0) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1000", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5077] memfd_create("syzkaller", 0) = 3 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5077] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5077] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5077] close(3) = 0 [pid 5077] mkdir("./file0", 0777) = 0 [ 57.294956][ T5077] loop0: detected capacity change from 0 to 8192 [ 57.306309][ T5077] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.319883][ T5077] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 57.329783][ T5077] REISERFS (device loop0): using ordered data mode [ 57.336339][ T5077] reiserfs: using flush barriers [ 57.342382][ T5077] 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 [ 57.359011][ T5077] REISERFS (device loop0): checking transaction log (loop0) [ 57.367077][ T5077] REISERFS (device loop0): Using r5 hash to sort names [ 57.374251][ T5077] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5077] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5077] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5077] chdir("./file0") = 0 [pid 5077] ioctl(4, LOOP_CLR_FD) = 0 [pid 5077] close(4) = 0 [pid 5077] creat("./bus", 000) = 4 [pid 5077] ftruncate(4, 2043) = 0 [pid 5077] exit_group(0) = ? [pid 5077] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./2/binderfs") = 0 [ 57.386984][ T5077] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5079] chdir("./3") = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setpgid(0, 0) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1000", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5079] memfd_create("syzkaller", 0) = 3 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5079] 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 5079] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5079] close(3) = 0 [pid 5079] mkdir("./file0", 0777) = 0 [ 57.521652][ T5079] loop0: detected capacity change from 0 to 8192 [ 57.532865][ T5079] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.546161][ T5079] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 57.555699][ T5079] REISERFS (device loop0): using ordered data mode [ 57.562449][ T5079] reiserfs: using flush barriers [ 57.568358][ T5079] 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 [ 57.584748][ T5079] REISERFS (device loop0): checking transaction log (loop0) [ 57.593631][ T5079] REISERFS (device loop0): Using r5 hash to sort names [ 57.600936][ T5079] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5079] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5079] chdir("./file0") = 0 [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [pid 5079] close(4) = 0 [pid 5079] creat("./bus", 000) = 4 [pid 5079] ftruncate(4, 2043) = 0 [pid 5079] exit_group(0) = ? [pid 5079] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./3/binderfs") = 0 [ 57.614091][ T5079] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5081 ./strace-static-x86_64: Process 5081 attached [pid 5081] chdir("./4") = 0 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5081] write(3, "1000", 4) = 4 [pid 5081] close(3) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5081] memfd_create("syzkaller", 0) = 3 [pid 5081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5081] 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 5081] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5081] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5081] close(3) = 0 [pid 5081] mkdir("./file0", 0777) = 0 [ 57.746572][ T5081] loop0: detected capacity change from 0 to 8192 [ 57.758106][ T5081] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.771266][ T5081] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 57.780573][ T5081] REISERFS (device loop0): using ordered data mode [ 57.787088][ T5081] reiserfs: using flush barriers [ 57.793117][ T5081] 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 [ 57.809520][ T5081] REISERFS (device loop0): checking transaction log (loop0) [ 57.818482][ T5081] REISERFS (device loop0): Using r5 hash to sort names [ 57.825785][ T5081] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5081] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5081] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5081] chdir("./file0") = 0 [pid 5081] ioctl(4, LOOP_CLR_FD) = 0 [pid 5081] close(4) = 0 [pid 5081] creat("./bus", 000) = 4 [pid 5081] ftruncate(4, 2043) = 0 [pid 5081] exit_group(0) = ? [pid 5081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./4/binderfs") = 0 [ 57.839192][ T5081] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5084 ./strace-static-x86_64: Process 5084 attached [pid 5084] chdir("./5") = 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5084] memfd_create("syzkaller", 0) = 3 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5084] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5084] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5084] close(3) = 0 [pid 5084] mkdir("./file0", 0777) = 0 [ 57.961134][ T5084] loop0: detected capacity change from 0 to 8192 [ 57.970833][ T5084] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 57.983935][ T5084] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 57.993202][ T5084] REISERFS (device loop0): using ordered data mode [ 57.999998][ T5084] reiserfs: using flush barriers [pid 5084] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5084] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5084] chdir("./file0") = 0 [pid 5084] ioctl(4, LOOP_CLR_FD) = 0 [pid 5084] close(4) = 0 [pid 5084] creat("./bus", 000) = 4 [pid 5084] ftruncate(4, 2043) = 0 [pid 5084] exit_group(0) = ? [pid 5084] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 [ 58.005862][ T5084] 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 [ 58.022511][ T5084] REISERFS (device loop0): checking transaction log (loop0) [ 58.030459][ T5084] REISERFS (device loop0): Using r5 hash to sort names [ 58.037478][ T5084] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 58.050236][ T5084] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./5/binderfs") = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5086 ./strace-static-x86_64: Process 5086 attached [pid 5086] chdir("./6") = 0 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1000", 4) = 4 [pid 5086] close(3) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5086] memfd_create("syzkaller", 0) = 3 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5086] 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 5086] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5086] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5086] close(3) = 0 [pid 5086] mkdir("./file0", 0777) = 0 [ 58.190024][ T5086] loop0: detected capacity change from 0 to 8192 [ 58.201351][ T5086] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 58.214422][ T5086] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 58.223896][ T5086] REISERFS (device loop0): using ordered data mode [ 58.230822][ T5086] reiserfs: using flush barriers [ 58.236757][ T5086] 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 [ 58.253705][ T5086] REISERFS (device loop0): checking transaction log (loop0) [ 58.262561][ T5086] REISERFS (device loop0): Using r5 hash to sort names [ 58.269875][ T5086] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5086] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5086] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5086] chdir("./file0") = 0 [pid 5086] ioctl(4, LOOP_CLR_FD) = 0 [pid 5086] close(4) = 0 [pid 5086] creat("./bus", 000) = 4 [pid 5086] ftruncate(4, 2043) = 0 [pid 5086] exit_group(0) = ? [pid 5086] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./6/binderfs") = 0 [ 58.286484][ T5086] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5088 ./strace-static-x86_64: Process 5088 attached [pid 5088] chdir("./7") = 0 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5088] setpgid(0, 0) = 0 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5088] memfd_create("syzkaller", 0) = 3 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5088] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5088] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5088] close(3) = 0 [pid 5088] mkdir("./file0", 0777) = 0 [ 58.432038][ T5088] loop0: detected capacity change from 0 to 8192 [ 58.442756][ T5088] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 58.455986][ T5088] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 58.465473][ T5088] REISERFS (device loop0): using ordered data mode [ 58.472233][ T5088] reiserfs: using flush barriers [pid 5088] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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 [pid 5088] close(4) = 0 [pid 5088] creat("./bus", 000) = 4 [pid 5088] ftruncate(4, 2043) = 0 [pid 5088] exit_group(0) = ? [pid 5088] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./7/binderfs") = 0 [ 58.478313][ 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 [ 58.494689][ T5088] REISERFS (device loop0): checking transaction log (loop0) [ 58.502919][ T5088] REISERFS (device loop0): Using r5 hash to sort names [ 58.510174][ T5088] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 58.523031][ T5088] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./7/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./7") = 0 mkdir("./8", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5090 ./strace-static-x86_64: Process 5090 attached [pid 5090] chdir("./8") = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5090] setpgid(0, 0) = 0 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3) = 0 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5090] memfd_create("syzkaller", 0) = 3 [pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5090] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5090] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5090] close(3) = 0 [pid 5090] mkdir("./file0", 0777) = 0 [ 58.657004][ T5090] loop0: detected capacity change from 0 to 8192 [ 58.668655][ T5090] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 58.681656][ T5090] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 58.691061][ T5090] REISERFS (device loop0): using ordered data mode [ 58.697598][ T5090] reiserfs: using flush barriers [ 58.703772][ T5090] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 58.720396][ T5090] REISERFS (device loop0): checking transaction log (loop0) [ 58.728849][ T5090] REISERFS (device loop0): Using r5 hash to sort names [ 58.735857][ T5090] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5090] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5090] ftruncate(4, 2043) = 0 [pid 5090] exit_group(0) = ? [pid 5090] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./8/binderfs") = 0 [ 58.748982][ T5090] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./8/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./8") = 0 mkdir("./9", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5092 ./strace-static-x86_64: Process 5092 attached [pid 5092] chdir("./9") = 0 [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0) = 0 [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5092] write(3, "1000", 4) = 4 [pid 5092] close(3) = 0 [pid 5092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5092] memfd_create("syzkaller", 0) = 3 [pid 5092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5092] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 5092] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5092] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5092] close(3) = 0 [pid 5092] mkdir("./file0", 0777) = 0 [ 58.880137][ T5092] loop0: detected capacity change from 0 to 8192 [ 58.891929][ T5092] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 58.904981][ T5092] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 58.914434][ T5092] REISERFS (device loop0): using ordered data mode [ 58.921499][ T5092] reiserfs: using flush barriers [pid 5092] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 58.927368][ T5092] 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 [ 58.944025][ T5092] REISERFS (device loop0): checking transaction log (loop0) [ 58.952384][ T5092] REISERFS (device loop0): Using r5 hash to sort names [ 58.959897][ T5092] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5092] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5092] chdir("./file0") = 0 [pid 5092] ioctl(4, LOOP_CLR_FD) = 0 [pid 5092] close(4) = 0 [pid 5092] creat("./bus", 000) = 4 [pid 5092] ftruncate(4, 2043) = 0 [pid 5092] exit_group(0) = ? [pid 5092] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./9/binderfs") = 0 [ 58.972917][ T5092] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./9/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./9") = 0 mkdir("./10", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5094 ./strace-static-x86_64: Process 5094 attached [pid 5094] chdir("./10") = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5094] memfd_create("syzkaller", 0) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5094] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 5094] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5094] close(3) = 0 [pid 5094] mkdir("./file0", 0777) = 0 [ 59.103957][ T5094] loop0: detected capacity change from 0 to 8192 [ 59.124971][ T5094] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 59.138121][ T5094] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 59.147364][ T5094] REISERFS (device loop0): using ordered data mode [ 59.153950][ T5094] reiserfs: using flush barriers [ 59.159969][ T5094] 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 [ 59.176424][ T5094] REISERFS (device loop0): checking transaction log (loop0) [ 59.184727][ T5094] REISERFS (device loop0): Using r5 hash to sort names [ 59.191871][ T5094] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5094] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5094] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5094] chdir("./file0") = 0 [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5094] close(4) = 0 [pid 5094] creat("./bus", 000) = 4 [pid 5094] ftruncate(4, 2043) = 0 [pid 5094] exit_group(0) = ? [pid 5094] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./10/binderfs") = 0 [ 59.204667][ T5094] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./10/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./10") = 0 mkdir("./11", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5096 ./strace-static-x86_64: Process 5096 attached [pid 5096] chdir("./11") = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] setpgid(0, 0) = 0 [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5096] memfd_create("syzkaller", 0) = 3 [pid 5096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5096] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5096] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5096] close(3) = 0 [pid 5096] mkdir("./file0", 0777) = 0 [ 59.349795][ T5096] loop0: detected capacity change from 0 to 8192 [ 59.360474][ T5096] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 59.373478][ T5096] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 59.382752][ T5096] REISERFS (device loop0): using ordered data mode [ 59.389311][ T5096] reiserfs: using flush barriers [pid 5096] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5096] ftruncate(4, 2043) = 0 [pid 5096] exit_group(0) = ? [pid 5096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [ 59.395163][ T5096] 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 [ 59.411650][ T5096] REISERFS (device loop0): checking transaction log (loop0) [ 59.419632][ T5096] REISERFS (device loop0): Using r5 hash to sort names [ 59.426637][ T5096] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 59.439642][ T5096] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./11/binderfs") = 0 umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./11/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./11") = 0 mkdir("./12", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5098 ./strace-static-x86_64: Process 5098 attached [pid 5098] chdir("./12") = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 [pid 5098] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5098] 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 5098] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5098] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5098] close(3) = 0 [pid 5098] mkdir("./file0", 0777) = 0 [ 59.574681][ T5098] loop0: detected capacity change from 0 to 8192 [ 59.584232][ T5098] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 59.597295][ T5098] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 59.606611][ T5098] REISERFS (device loop0): using ordered data mode [ 59.613243][ T5098] reiserfs: using flush barriers [pid 5098] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5098] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5098] chdir("./file0") = 0 [pid 5098] ioctl(4, LOOP_CLR_FD) = 0 [pid 5098] close(4) = 0 [pid 5098] creat("./bus", 000) = 4 [pid 5098] ftruncate(4, 2043) = 0 [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=11 /* 0.11 s */} --- umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./12/binderfs") = 0 [ 59.619077][ T5098] 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 [ 59.635595][ T5098] REISERFS (device loop0): checking transaction log (loop0) [ 59.643655][ T5098] REISERFS (device loop0): Using r5 hash to sort names [ 59.650810][ T5098] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 59.663553][ T5098] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./12/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./12") = 0 mkdir("./13", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5100 ./strace-static-x86_64: Process 5100 attached [pid 5100] chdir("./13") = 0 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5100] setpgid(0, 0) = 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4) = 4 [pid 5100] close(3) = 0 [pid 5100] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5100] memfd_create("syzkaller", 0) = 3 [pid 5100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5100] 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 5100] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5100] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5100] close(3) = 0 [pid 5100] mkdir("./file0", 0777) = 0 [ 59.782679][ T5100] loop0: detected capacity change from 0 to 8192 [ 59.792316][ T5100] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 59.805452][ T5100] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 59.814667][ T5100] REISERFS (device loop0): using ordered data mode [ 59.821289][ T5100] reiserfs: using flush barriers [pid 5100] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5100] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5100] chdir("./file0") = 0 [pid 5100] ioctl(4, LOOP_CLR_FD) = 0 [pid 5100] close(4) = 0 [pid 5100] creat("./bus", 000) = 4 [pid 5100] ftruncate(4, 2043) = 0 [pid 5100] exit_group(0) = ? [pid 5100] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./13/binderfs") = 0 [ 59.827078][ T5100] 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 [ 59.843638][ T5100] REISERFS (device loop0): checking transaction log (loop0) [ 59.851808][ T5100] REISERFS (device loop0): Using r5 hash to sort names [ 59.858926][ T5100] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 59.871704][ T5100] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./13/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./13") = 0 mkdir("./14", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5102 ./strace-static-x86_64: Process 5102 attached [pid 5102] chdir("./14") = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5102] memfd_create("syzkaller", 0) = 3 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5102] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5102] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5102] close(3) = 0 [pid 5102] mkdir("./file0", 0777) = 0 [ 60.000569][ T5102] loop0: detected capacity change from 0 to 8192 [ 60.011341][ T5102] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.024459][ T5102] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 60.033695][ T5102] REISERFS (device loop0): using ordered data mode [ 60.040257][ T5102] reiserfs: using flush barriers [pid 5102] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5102] ftruncate(4, 2043) = 0 [pid 5102] exit_group(0) = ? [ 60.045958][ T5102] 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 [ 60.062462][ T5102] REISERFS (device loop0): checking transaction log (loop0) [ 60.070438][ T5102] REISERFS (device loop0): Using r5 hash to sort names [ 60.077456][ T5102] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 60.090224][ T5102] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./14/binderfs") = 0 umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./14/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./14") = 0 mkdir("./15", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5104 ./strace-static-x86_64: Process 5104 attached [pid 5104] chdir("./15") = 0 [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5104] setpgid(0, 0) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5104] write(3, "1000", 4) = 4 [pid 5104] close(3) = 0 [pid 5104] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5104] memfd_create("syzkaller", 0) = 3 [pid 5104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5104] 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 5104] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5104] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5104] close(3) = 0 [pid 5104] mkdir("./file0", 0777) = 0 [ 60.225398][ T5104] loop0: detected capacity change from 0 to 8192 [ 60.236633][ T5104] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.249729][ T5104] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 60.258981][ T5104] REISERFS (device loop0): using ordered data mode [ 60.265491][ T5104] reiserfs: using flush barriers [pid 5104] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5104] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5104] chdir("./file0") = 0 [pid 5104] ioctl(4, LOOP_CLR_FD) = 0 [pid 5104] close(4) = 0 [pid 5104] creat("./bus", 000) = 4 [pid 5104] ftruncate(4, 2043) = 0 [pid 5104] exit_group(0) = ? [pid 5104] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./15/binderfs") = 0 [ 60.271396][ T5104] 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 [ 60.287922][ T5104] REISERFS (device loop0): checking transaction log (loop0) [ 60.296229][ T5104] REISERFS (device loop0): Using r5 hash to sort names [ 60.303582][ T5104] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 60.316751][ T5104] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./15/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./15") = 0 mkdir("./16", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5106 ./strace-static-x86_64: Process 5106 attached [pid 5106] chdir("./16") = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5106] write(3, "1000", 4) = 4 [pid 5106] close(3) = 0 [pid 5106] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5106] memfd_create("syzkaller", 0) = 3 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5106] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5106] close(3) = 0 [pid 5106] mkdir("./file0", 0777) = 0 [ 60.456499][ T5106] loop0: detected capacity change from 0 to 8192 [ 60.468909][ T5106] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.482051][ T5106] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 60.491333][ T5106] REISERFS (device loop0): using ordered data mode [ 60.497850][ T5106] reiserfs: using flush barriers [ 60.503939][ T5106] 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 [ 60.520339][ T5106] REISERFS (device loop0): checking transaction log (loop0) [ 60.528799][ T5106] REISERFS (device loop0): Using r5 hash to sort names [ 60.535868][ T5106] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5106] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5106] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5106] chdir("./file0") = 0 [pid 5106] ioctl(4, LOOP_CLR_FD) = 0 [pid 5106] close(4) = 0 [pid 5106] creat("./bus", 000) = 4 [pid 5106] ftruncate(4, 2043) = 0 [pid 5106] exit_group(0) = ? [pid 5106] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./16/binderfs") = 0 [ 60.548648][ T5106] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./16/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./16") = 0 mkdir("./17", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5108 ./strace-static-x86_64: Process 5108 attached [pid 5108] chdir("./17") = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] setpgid(0, 0) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4) = 4 [pid 5108] close(3) = 0 [pid 5108] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5108] memfd_create("syzkaller", 0) = 3 [pid 5108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5108] 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 5108] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5108] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5108] close(3) = 0 [pid 5108] mkdir("./file0", 0777) = 0 [ 60.696999][ T5108] loop0: detected capacity change from 0 to 8192 [ 60.719240][ T5108] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.732267][ T5108] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 60.741741][ T5108] REISERFS (device loop0): using ordered data mode [ 60.748506][ T5108] reiserfs: using flush barriers [ 60.754183][ T5108] 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 [ 60.771305][ T5108] REISERFS (device loop0): checking transaction log (loop0) [ 60.779426][ T5108] REISERFS (device loop0): Using r5 hash to sort names [pid 5108] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5108] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5108] chdir("./file0") = 0 [pid 5108] ioctl(4, LOOP_CLR_FD) = 0 [pid 5108] close(4) = 0 [pid 5108] creat("./bus", 000) = 4 [pid 5108] ftruncate(4, 2043) = 0 [pid 5108] exit_group(0) = ? [pid 5108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./17/binderfs") = 0 [ 60.786524][ T5108] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 60.799566][ T5108] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./17/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./17") = 0 mkdir("./18", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5110 ./strace-static-x86_64: Process 5110 attached [pid 5110] chdir("./18") = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5110] setpgid(0, 0) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5110] write(3, "1000", 4) = 4 [pid 5110] close(3) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5110] memfd_create("syzkaller", 0) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5110] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 [pid 5110] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5110] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5110] close(3) = 0 [pid 5110] mkdir("./file0", 0777) = 0 [ 60.936575][ T5110] loop0: detected capacity change from 0 to 8192 [ 60.947776][ T5110] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.961081][ T5110] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 60.970522][ T5110] REISERFS (device loop0): using ordered data mode [ 60.977033][ T5110] reiserfs: using flush barriers [ 60.983206][ T5110] 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 [ 60.999800][ T5110] REISERFS (device loop0): checking transaction log (loop0) [ 61.008473][ T5110] REISERFS (device loop0): Using r5 hash to sort names [ 61.015475][ T5110] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5110] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5110] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5110] chdir("./file0") = 0 [pid 5110] ioctl(4, LOOP_CLR_FD) = 0 [pid 5110] close(4) = 0 [pid 5110] creat("./bus", 000) = 4 [pid 5110] ftruncate(4, 2043) = 0 [pid 5110] exit_group(0) = ? [pid 5110] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./18/binderfs") = 0 [ 61.028422][ T5110] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./18/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./18") = 0 mkdir("./19", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5112 ./strace-static-x86_64: Process 5112 attached [pid 5112] chdir("./19") = 0 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5112] setpgid(0, 0) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5112] write(3, "1000", 4) = 4 [pid 5112] close(3) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5112] memfd_create("syzkaller", 0) = 3 [pid 5112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5112] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5112] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5112] close(3) = 0 [pid 5112] mkdir("./file0", 0777) = 0 [ 61.157274][ T5112] loop0: detected capacity change from 0 to 8192 [ 61.168926][ T5112] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 61.182009][ T5112] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 61.191485][ T5112] REISERFS (device loop0): using ordered data mode [ 61.198350][ T5112] reiserfs: using flush barriers [ 61.204330][ T5112] 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 [ 61.221098][ T5112] REISERFS (device loop0): checking transaction log (loop0) [ 61.229386][ T5112] REISERFS (device loop0): Using r5 hash to sort names [ 61.236429][ T5112] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5112] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5112] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5112] chdir("./file0") = 0 [pid 5112] ioctl(4, LOOP_CLR_FD) = 0 [pid 5112] close(4) = 0 [pid 5112] creat("./bus", 000) = 4 [pid 5112] ftruncate(4, 2043) = 0 [pid 5112] exit_group(0) = ? [pid 5112] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./19/binderfs") = 0 [ 61.249803][ T5112] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./19/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./19") = 0 mkdir("./20", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5114 ./strace-static-x86_64: Process 5114 attached [pid 5114] chdir("./20") = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5114] setpgid(0, 0) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5114] write(3, "1000", 4) = 4 [pid 5114] close(3) = 0 [pid 5114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5114] memfd_create("syzkaller", 0) = 3 [pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5114] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5114] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5114] close(3) = 0 [pid 5114] mkdir("./file0", 0777) = 0 [ 61.383121][ T5114] loop0: detected capacity change from 0 to 8192 [ 61.393528][ T5114] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 61.406669][ T5114] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 61.415904][ T5114] REISERFS (device loop0): using ordered data mode [ 61.422455][ T5114] reiserfs: using flush barriers [pid 5114] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5114] ftruncate(4, 2043) = 0 [pid 5114] exit_group(0) = ? [pid 5114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./20/binderfs") = 0 [ 61.428484][ T5114] 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 [ 61.445066][ T5114] REISERFS (device loop0): checking transaction log (loop0) [ 61.453368][ T5114] REISERFS (device loop0): Using r5 hash to sort names [ 61.460518][ T5114] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 61.473779][ T5114] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./20/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./20") = 0 mkdir("./21", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5116 ./strace-static-x86_64: Process 5116 attached [pid 5116] chdir("./21") = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5116] setpgid(0, 0) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5116] write(3, "1000", 4) = 4 [pid 5116] close(3) = 0 [pid 5116] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5116] memfd_create("syzkaller", 0) = 3 [pid 5116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5116] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5116] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5116] close(3) = 0 [pid 5116] mkdir("./file0", 0777) = 0 [ 61.614585][ T5116] loop0: detected capacity change from 0 to 8192 [ 61.626515][ T5116] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 61.639622][ T5116] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 61.649343][ T5116] REISERFS (device loop0): using ordered data mode [ 61.656126][ T5116] reiserfs: using flush barriers [ 61.662411][ 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 [ 61.679305][ T5116] REISERFS (device loop0): checking transaction log (loop0) [ 61.687723][ T5116] REISERFS (device loop0): Using r5 hash to sort names [ 61.694965][ T5116] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5116] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [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] creat("./bus", 000) = 4 [pid 5116] ftruncate(4, 2043) = 0 [pid 5116] exit_group(0) = ? [pid 5116] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./21/binderfs") = 0 [ 61.708008][ T5116] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./21/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./21") = 0 mkdir("./22", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5118 ./strace-static-x86_64: Process 5118 attached [pid 5118] chdir("./22") = 0 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5118] setpgid(0, 0) = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5118] write(3, "1000", 4) = 4 [pid 5118] close(3) = 0 [pid 5118] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5118] memfd_create("syzkaller", 0) = 3 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5118] 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 5118] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5118] close(3) = 0 [pid 5118] mkdir("./file0", 0777) = 0 [ 61.851396][ T5118] loop0: detected capacity change from 0 to 8192 [ 61.862512][ T5118] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 61.875581][ T5118] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 61.884830][ T5118] REISERFS (device loop0): using ordered data mode [ 61.891444][ T5118] reiserfs: using flush barriers [pid 5118] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5118] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5118] chdir("./file0") = 0 [pid 5118] ioctl(4, LOOP_CLR_FD) = 0 [pid 5118] close(4) = 0 [pid 5118] creat("./bus", 000) = 4 [pid 5118] ftruncate(4, 2043) = 0 [pid 5118] exit_group(0) = ? [pid 5118] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 61.897357][ T5118] 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 [ 61.913847][ T5118] REISERFS (device loop0): checking transaction log (loop0) [ 61.922397][ T5118] REISERFS (device loop0): Using r5 hash to sort names [ 61.929654][ T5118] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 61.942657][ T5118] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./22/binderfs") = 0 umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./22/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./22") = 0 mkdir("./23", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5120 ./strace-static-x86_64: Process 5120 attached [pid 5120] chdir("./23") = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4) = 4 [pid 5120] close(3) = 0 [pid 5120] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5120] memfd_create("syzkaller", 0) = 3 [pid 5120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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(0x7f2a552ad000, 4194304) = 0 [pid 5120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5120] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5120] close(3) = 0 [pid 5120] mkdir("./file0", 0777) = 0 [ 62.083940][ T5120] loop0: detected capacity change from 0 to 8192 [ 62.093929][ T5120] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 62.107178][ T5120] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 62.116435][ T5120] REISERFS (device loop0): using ordered data mode [ 62.122972][ T5120] reiserfs: using flush barriers [pid 5120] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5120] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5120] chdir("./file0") = 0 [pid 5120] ioctl(4, LOOP_CLR_FD) = 0 [pid 5120] close(4) = 0 [pid 5120] creat("./bus", 000) = 4 [pid 5120] ftruncate(4, 2043) = 0 [pid 5120] exit_group(0) = ? [pid 5120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./23/binderfs") = 0 [ 62.128841][ T5120] 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 [ 62.145205][ T5120] REISERFS (device loop0): checking transaction log (loop0) [ 62.153525][ T5120] REISERFS (device loop0): Using r5 hash to sort names [ 62.160609][ T5120] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 62.173507][ T5120] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./23/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./23") = 0 mkdir("./24", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5122 ./strace-static-x86_64: Process 5122 attached [pid 5122] chdir("./24") = 0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5122] setpgid(0, 0) = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5122] write(3, "1000", 4) = 4 [pid 5122] close(3) = 0 [pid 5122] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5122] memfd_create("syzkaller", 0) = 3 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5122] 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 5122] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5122] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5122] close(3) = 0 [pid 5122] mkdir("./file0", 0777) = 0 [ 62.304969][ T5122] loop0: detected capacity change from 0 to 8192 [ 62.315086][ T5122] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 62.328126][ T5122] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 62.337350][ T5122] REISERFS (device loop0): using ordered data mode [ 62.343904][ T5122] reiserfs: using flush barriers [pid 5122] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5122] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5122] chdir("./file0") = 0 [pid 5122] ioctl(4, LOOP_CLR_FD) = 0 [pid 5122] close(4) = 0 [pid 5122] creat("./bus", 000) = 4 [pid 5122] ftruncate(4, 2043) = 0 [pid 5122] exit_group(0) = ? [pid 5122] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./24/binderfs") = 0 [ 62.349671][ T5122] 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 [ 62.366155][ T5122] REISERFS (device loop0): checking transaction log (loop0) [ 62.374276][ T5122] REISERFS (device loop0): Using r5 hash to sort names [ 62.382078][ T5122] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 62.394830][ T5122] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./24/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./24") = 0 mkdir("./25", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5124 ./strace-static-x86_64: Process 5124 attached [pid 5124] chdir("./25") = 0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5124] write(3, "1000", 4) = 4 [pid 5124] close(3) = 0 [pid 5124] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5124] memfd_create("syzkaller", 0) = 3 [pid 5124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5124] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5124] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5124] close(3) = 0 [pid 5124] mkdir("./file0", 0777) = 0 [ 62.533444][ T5124] loop0: detected capacity change from 0 to 8192 [ 62.543479][ T5124] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 62.556523][ T5124] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 62.565805][ T5124] REISERFS (device loop0): using ordered data mode [ 62.572393][ T5124] reiserfs: using flush barriers [pid 5124] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5124] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5124] chdir("./file0") = 0 [pid 5124] ioctl(4, LOOP_CLR_FD) = 0 [pid 5124] close(4) = 0 [pid 5124] creat("./bus", 000) = 4 [pid 5124] ftruncate(4, 2043) = 0 [pid 5124] exit_group(0) = ? [pid 5124] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./25/binderfs") = 0 [ 62.578249][ T5124] 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 [ 62.594635][ T5124] REISERFS (device loop0): checking transaction log (loop0) [ 62.603016][ T5124] REISERFS (device loop0): Using r5 hash to sort names [ 62.610120][ T5124] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 62.622890][ T5124] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./25/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./25") = 0 mkdir("./26", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5126 ./strace-static-x86_64: Process 5126 attached [pid 5126] chdir("./26") = 0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5126] setpgid(0, 0) = 0 [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5126] write(3, "1000", 4) = 4 [pid 5126] close(3) = 0 [pid 5126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5126] memfd_create("syzkaller", 0) = 3 [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5126] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5126] close(3) = 0 [pid 5126] mkdir("./file0", 0777) = 0 [ 62.765826][ T5126] loop0: detected capacity change from 0 to 8192 [ 62.776867][ T5126] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 62.789925][ T5126] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 62.799306][ T5126] REISERFS (device loop0): using ordered data mode [ 62.805831][ T5126] reiserfs: using flush barriers [pid 5126] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5126] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5126] chdir("./file0") = 0 [pid 5126] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] close(4) = 0 [pid 5126] creat("./bus", 000) = 4 [pid 5126] ftruncate(4, 2043) = 0 [pid 5126] exit_group(0) = ? [pid 5126] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 62.811887][ T5126] 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 [ 62.828405][ T5126] REISERFS (device loop0): checking transaction log (loop0) [ 62.836717][ T5126] REISERFS (device loop0): Using r5 hash to sort names [ 62.843871][ T5126] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 62.856631][ T5126] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./26/binderfs") = 0 umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./26/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./26/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./26") = 0 mkdir("./27", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5128 ./strace-static-x86_64: Process 5128 attached [pid 5128] chdir("./27") = 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5128] setpgid(0, 0) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5128] write(3, "1000", 4) = 4 [pid 5128] close(3) = 0 [pid 5128] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5128] memfd_create("syzkaller", 0) = 3 [pid 5128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5128] 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 5128] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5128] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5128] close(3) = 0 [pid 5128] mkdir("./file0", 0777) = 0 [ 62.998484][ T5128] loop0: detected capacity change from 0 to 8192 [ 63.010192][ T5128] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.023275][ T5128] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 63.032575][ T5128] REISERFS (device loop0): using ordered data mode [ 63.039282][ T5128] reiserfs: using flush barriers [pid 5128] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5128] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5128] chdir("./file0") = 0 [pid 5128] ioctl(4, LOOP_CLR_FD) = 0 [pid 5128] close(4) = 0 [pid 5128] creat("./bus", 000) = 4 [pid 5128] ftruncate(4, 2043) = 0 [pid 5128] exit_group(0) = ? [pid 5128] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./27/binderfs") = 0 [ 63.045169][ T5128] 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 [ 63.061661][ T5128] REISERFS (device loop0): checking transaction log (loop0) [ 63.069746][ T5128] REISERFS (device loop0): Using r5 hash to sort names [ 63.076774][ T5128] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 63.089556][ T5128] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./27/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./27") = 0 mkdir("./28", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5130 ./strace-static-x86_64: Process 5130 attached [pid 5130] chdir("./28") = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] setpgid(0, 0) = 0 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5130] write(3, "1000", 4) = 4 [pid 5130] close(3) = 0 [pid 5130] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5130] memfd_create("syzkaller", 0) = 3 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5130] 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 5130] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5130] close(3) = 0 [pid 5130] mkdir("./file0", 0777) = 0 [ 63.222768][ T5130] loop0: detected capacity change from 0 to 8192 [ 63.233557][ T5130] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.246590][ T5130] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 63.255868][ T5130] REISERFS (device loop0): using ordered data mode [ 63.262460][ T5130] reiserfs: using flush barriers [ 63.268410][ T5130] 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 [ 63.285558][ T5130] REISERFS (device loop0): checking transaction log (loop0) [ 63.294153][ T5130] REISERFS (device loop0): Using r5 hash to sort names [ 63.301465][ T5130] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5130] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5130] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5130] chdir("./file0") = 0 [pid 5130] ioctl(4, LOOP_CLR_FD) = 0 [pid 5130] close(4) = 0 [pid 5130] creat("./bus", 000) = 4 [pid 5130] ftruncate(4, 2043) = 0 [pid 5130] exit_group(0) = ? [pid 5130] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./28/binderfs") = 0 [ 63.315060][ T5130] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./28/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./28") = 0 mkdir("./29", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5132 ./strace-static-x86_64: Process 5132 attached [pid 5132] chdir("./29") = 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) = 3 [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3) = 0 [pid 5132] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5132] memfd_create("syzkaller", 0) = 3 [pid 5132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5132] 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 5132] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5132] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5132] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5132] close(3) = 0 [pid 5132] mkdir("./file0", 0777) = 0 [ 63.449564][ T5132] loop0: detected capacity change from 0 to 8192 [ 63.460168][ T5132] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.473201][ T5132] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 63.482806][ T5132] REISERFS (device loop0): using ordered data mode [ 63.489568][ T5132] reiserfs: using flush barriers [pid 5132] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5132] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5132] chdir("./file0") = 0 [pid 5132] ioctl(4, LOOP_CLR_FD) = 0 [pid 5132] close(4) = 0 [pid 5132] creat("./bus", 000) = 4 [pid 5132] ftruncate(4, 2043) = 0 [pid 5132] exit_group(0) = ? [pid 5132] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./29/binderfs") = 0 [ 63.495274][ T5132] 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 [ 63.512027][ T5132] REISERFS (device loop0): checking transaction log (loop0) [ 63.520289][ T5132] REISERFS (device loop0): Using r5 hash to sort names [ 63.527447][ T5132] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 63.540384][ T5132] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./29/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./29") = 0 mkdir("./30", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5134 ./strace-static-x86_64: Process 5134 attached [pid 5134] chdir("./30") = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5134] setpgid(0, 0) = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5134] write(3, "1000", 4) = 4 [pid 5134] close(3) = 0 [pid 5134] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5134] memfd_create("syzkaller", 0) = 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5134] 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 5134] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5134] close(3) = 0 [pid 5134] mkdir("./file0", 0777) = 0 [ 63.658050][ T5134] loop0: detected capacity change from 0 to 8192 [ 63.668205][ T5134] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.681400][ T5134] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 63.690837][ T5134] REISERFS (device loop0): using ordered data mode [ 63.697365][ T5134] reiserfs: using flush barriers [pid 5134] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5134] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5134] chdir("./file0") = 0 [pid 5134] ioctl(4, LOOP_CLR_FD) = 0 [pid 5134] close(4) = 0 [pid 5134] creat("./bus", 000) = 4 [pid 5134] ftruncate(4, 2043) = 0 [pid 5134] exit_group(0) = ? [pid 5134] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./30/binderfs") = 0 [ 63.703523][ T5134] 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 [ 63.720702][ T5134] REISERFS (device loop0): checking transaction log (loop0) [ 63.729017][ T5134] REISERFS (device loop0): Using r5 hash to sort names [ 63.736032][ T5134] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 63.749231][ T5134] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./30/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./30") = 0 mkdir("./31", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5136 ./strace-static-x86_64: Process 5136 attached [pid 5136] chdir("./31") = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5136] write(3, "1000", 4) = 4 [pid 5136] close(3) = 0 [pid 5136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5136] memfd_create("syzkaller", 0) = 3 [pid 5136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5136] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5136] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5136] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5136] close(3) = 0 [pid 5136] mkdir("./file0", 0777) = 0 [ 63.868798][ T5136] loop0: detected capacity change from 0 to 8192 [ 63.879101][ T5136] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 63.892317][ T5136] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 63.901863][ T5136] REISERFS (device loop0): using ordered data mode [ 63.908421][ T5136] reiserfs: using flush barriers [pid 5136] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5136] ftruncate(4, 2043) = 0 [pid 5136] exit_group(0) = ? [pid 5136] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./31/binderfs") = 0 [ 63.914119][ T5136] 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 [ 63.930726][ T5136] REISERFS (device loop0): checking transaction log (loop0) [ 63.938828][ T5136] REISERFS (device loop0): Using r5 hash to sort names [ 63.945863][ T5136] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 63.958848][ T5136] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./31/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./31") = 0 mkdir("./32", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5138 ./strace-static-x86_64: Process 5138 attached [pid 5138] chdir("./32") = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] setpgid(0, 0) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3) = 0 [pid 5138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5138] memfd_create("syzkaller", 0) = 3 [pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5138] 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 5138] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5138] close(3) = 0 [pid 5138] mkdir("./file0", 0777) = 0 [ 64.085036][ T5138] loop0: detected capacity change from 0 to 8192 [ 64.095859][ T5138] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 64.109047][ T5138] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 64.118604][ T5138] REISERFS (device loop0): using ordered data mode [ 64.125119][ T5138] reiserfs: using flush barriers [ 64.131132][ T5138] 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 [ 64.147774][ T5138] REISERFS (device loop0): checking transaction log (loop0) [ 64.156330][ T5138] REISERFS (device loop0): Using r5 hash to sort names [ 64.163938][ T5138] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5138] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5138] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5138] chdir("./file0") = 0 [pid 5138] ioctl(4, LOOP_CLR_FD) = 0 [pid 5138] close(4) = 0 [pid 5138] creat("./bus", 000) = 4 [pid 5138] ftruncate(4, 2043) = 0 [pid 5138] exit_group(0) = ? [pid 5138] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./32/binderfs") = 0 [ 64.177148][ T5138] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./32/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./32/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./32") = 0 mkdir("./33", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5140 ./strace-static-x86_64: Process 5140 attached [pid 5140] chdir("./33") = 0 [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] setpgid(0, 0) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5140] write(3, "1000", 4) = 4 [pid 5140] close(3) = 0 [pid 5140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5140] memfd_create("syzkaller", 0) = 3 [pid 5140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5140] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5140] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5140] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5140] close(3) = 0 [pid 5140] mkdir("./file0", 0777) = 0 [ 64.295950][ T5140] loop0: detected capacity change from 0 to 8192 [ 64.307122][ T5140] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 64.320532][ T5140] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 64.329909][ T5140] REISERFS (device loop0): using ordered data mode [ 64.336416][ T5140] reiserfs: using flush barriers [ 64.342735][ T5140] 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 [ 64.359314][ T5140] REISERFS (device loop0): checking transaction log (loop0) [ 64.367406][ T5140] REISERFS (device loop0): Using r5 hash to sort names [ 64.374676][ T5140] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5140] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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) = 0 [pid 5140] creat("./bus", 000) = 4 [pid 5140] ftruncate(4, 2043) = 0 [pid 5140] exit_group(0) = ? [pid 5140] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./33/binderfs") = 0 [ 64.387679][ T5140] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./33/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./33") = 0 mkdir("./34", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5142 ./strace-static-x86_64: Process 5142 attached [pid 5142] chdir("./34") = 0 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5142] setpgid(0, 0) = 0 [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5142] write(3, "1000", 4) = 4 [pid 5142] close(3) = 0 [pid 5142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5142] memfd_create("syzkaller", 0) = 3 [pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5142] 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 5142] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5142] close(3) = 0 [pid 5142] mkdir("./file0", 0777) = 0 [ 64.525254][ T5142] loop0: detected capacity change from 0 to 8192 [ 64.534516][ T5142] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 64.547759][ T5142] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 64.557710][ T5142] REISERFS (device loop0): using ordered data mode [ 64.564490][ T5142] reiserfs: using flush barriers [pid 5142] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5142] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5142] chdir("./file0") = 0 [pid 5142] ioctl(4, LOOP_CLR_FD) = 0 [pid 5142] close(4) = 0 [pid 5142] creat("./bus", 000) = 4 [pid 5142] ftruncate(4, 2043) = 0 [pid 5142] exit_group(0) = ? [pid 5142] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./34/binderfs") = 0 [ 64.570565][ T5142] 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 [ 64.587459][ T5142] REISERFS (device loop0): checking transaction log (loop0) [ 64.595802][ T5142] REISERFS (device loop0): Using r5 hash to sort names [ 64.603165][ T5142] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 64.616117][ T5142] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./34/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./34/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./34") = 0 mkdir("./35", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5144 ./strace-static-x86_64: Process 5144 attached [pid 5144] chdir("./35") = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3) = 0 [pid 5144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5144] memfd_create("syzkaller", 0) = 3 [pid 5144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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(0x7f2a552ad000, 4194304) = 0 [pid 5144] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5144] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5144] close(3) = 0 [pid 5144] mkdir("./file0", 0777) = 0 [ 64.755987][ T5144] loop0: detected capacity change from 0 to 8192 [ 64.765389][ T5144] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 64.778809][ T5144] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 64.788317][ T5144] REISERFS (device loop0): using ordered data mode [ 64.794816][ T5144] reiserfs: using flush barriers [pid 5144] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5144] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5144] chdir("./file0") = 0 [pid 5144] ioctl(4, LOOP_CLR_FD) = 0 [pid 5144] close(4) = 0 [pid 5144] creat("./bus", 000) = 4 [pid 5144] ftruncate(4, 2043) = 0 [pid 5144] exit_group(0) = ? [pid 5144] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./35/binderfs") = 0 [ 64.801033][ T5144] 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 [ 64.817683][ T5144] REISERFS (device loop0): checking transaction log (loop0) [ 64.826164][ T5144] REISERFS (device loop0): Using r5 hash to sort names [ 64.833478][ T5144] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 64.846605][ T5144] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./35/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./35/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./35") = 0 mkdir("./36", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5146 ./strace-static-x86_64: Process 5146 attached [pid 5146] chdir("./36") = 0 [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5146] setpgid(0, 0) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5146] write(3, "1000", 4) = 4 [pid 5146] close(3) = 0 [pid 5146] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5146] memfd_create("syzkaller", 0) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5146] 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 5146] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5146] close(3) = 0 [pid 5146] mkdir("./file0", 0777) = 0 [ 64.983484][ T5146] loop0: detected capacity change from 0 to 8192 [ 64.994427][ T5146] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.007468][ T5146] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 65.016777][ T5146] REISERFS (device loop0): using ordered data mode [ 65.023333][ T5146] reiserfs: using flush barriers [pid 5146] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 65.029748][ T5146] 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 [ 65.046121][ T5146] REISERFS (device loop0): checking transaction log (loop0) [ 65.054523][ T5146] REISERFS (device loop0): Using r5 hash to sort names [ 65.062000][ T5146] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5146] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5146] chdir("./file0") = 0 [pid 5146] ioctl(4, LOOP_CLR_FD) = 0 [pid 5146] close(4) = 0 [pid 5146] creat("./bus", 000) = 4 [pid 5146] ftruncate(4, 2043) = 0 [pid 5146] exit_group(0) = ? [pid 5146] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./36/binderfs") = 0 [ 65.075266][ T5146] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./36/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./36/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./36") = 0 mkdir("./37", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5148 ./strace-static-x86_64: Process 5148 attached [pid 5148] chdir("./37") = 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 [pid 5148] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5148] memfd_create("syzkaller", 0) = 3 [pid 5148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5148] 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 5148] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5148] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5148] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5148] close(3) = 0 [pid 5148] mkdir("./file0", 0777) = 0 [ 65.213590][ T5148] loop0: detected capacity change from 0 to 8192 [ 65.224369][ T5148] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.237817][ T5148] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 65.247122][ T5148] REISERFS (device loop0): using ordered data mode [ 65.254045][ T5148] reiserfs: using flush barriers [pid 5148] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5148] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5148] chdir("./file0") = 0 [pid 5148] ioctl(4, LOOP_CLR_FD) = 0 [ 65.260287][ T5148] 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 [ 65.276658][ T5148] REISERFS (device loop0): checking transaction log (loop0) [ 65.284972][ T5148] REISERFS (device loop0): Using r5 hash to sort names [ 65.292022][ T5148] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 65.305036][ T5148] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5148] close(4) = 0 [pid 5148] creat("./bus", 000) = 4 [pid 5148] ftruncate(4, 2043) = 0 [pid 5148] exit_group(0) = ? [pid 5148] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./37/binderfs") = 0 umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./37/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./37/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./37") = 0 mkdir("./38", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5150 attached , child_tidptr=0x5555566345d0) = 5150 [pid 5150] chdir("./38") = 0 [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5150] setpgid(0, 0) = 0 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5150] write(3, "1000", 4) = 4 [pid 5150] close(3) = 0 [pid 5150] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5150] memfd_create("syzkaller", 0) = 3 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5150] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5150] close(3) = 0 [pid 5150] mkdir("./file0", 0777) = 0 [ 65.457159][ T5150] loop0: detected capacity change from 0 to 8192 [ 65.468484][ T5150] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.481535][ T5150] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 65.491527][ T5150] REISERFS (device loop0): using ordered data mode [ 65.498101][ T5150] reiserfs: using flush barriers [ 65.504060][ T5150] 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 [ 65.520764][ T5150] REISERFS (device loop0): checking transaction log (loop0) [ 65.528983][ T5150] REISERFS (device loop0): Using r5 hash to sort names [ 65.536033][ T5150] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5150] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5150] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5150] chdir("./file0") = 0 [pid 5150] ioctl(4, LOOP_CLR_FD) = 0 [pid 5150] close(4) = 0 [pid 5150] creat("./bus", 000) = 4 [pid 5150] ftruncate(4, 2043) = 0 [pid 5150] exit_group(0) = ? [pid 5150] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./38/binderfs") = 0 [ 65.549079][ T5150] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./38/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./38/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./38") = 0 mkdir("./39", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5152 ./strace-static-x86_64: Process 5152 attached [pid 5152] chdir("./39") = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5152] setpgid(0, 0) = 0 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5152] write(3, "1000", 4) = 4 [pid 5152] close(3) = 0 [pid 5152] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5152] memfd_create("syzkaller", 0) = 3 [pid 5152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5152] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5152] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5152] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5152] close(3) = 0 [pid 5152] mkdir("./file0", 0777) = 0 [ 65.695705][ T5152] loop0: detected capacity change from 0 to 8192 [ 65.705127][ T5152] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.718196][ T5152] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 65.727544][ T5152] REISERFS (device loop0): using ordered data mode [ 65.734154][ T5152] reiserfs: using flush barriers [pid 5152] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5152] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5152] chdir("./file0") = 0 [pid 5152] ioctl(4, LOOP_CLR_FD) = 0 [pid 5152] close(4) = 0 [pid 5152] creat("./bus", 000) = 4 [pid 5152] ftruncate(4, 2043) = 0 [pid 5152] exit_group(0) = ? [pid 5152] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./39/binderfs") = 0 [ 65.740208][ T5152] 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 [ 65.756880][ T5152] REISERFS (device loop0): checking transaction log (loop0) [ 65.765159][ T5152] REISERFS (device loop0): Using r5 hash to sort names [ 65.772455][ T5152] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 65.785241][ T5152] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./39/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./39/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./39") = 0 mkdir("./40", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5154 ./strace-static-x86_64: Process 5154 attached [pid 5154] chdir("./40") = 0 [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5154] setpgid(0, 0) = 0 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5154] write(3, "1000", 4) = 4 [pid 5154] close(3) = 0 [pid 5154] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5154] memfd_create("syzkaller", 0) = 3 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5154] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5154] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5154] close(3) = 0 [pid 5154] mkdir("./file0", 0777) = 0 [ 65.923497][ T5154] loop0: detected capacity change from 0 to 8192 [ 65.933639][ T5154] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 65.947036][ T5154] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 65.956502][ T5154] REISERFS (device loop0): using ordered data mode [ 65.963236][ T5154] reiserfs: using flush barriers [pid 5154] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5154] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5154] chdir("./file0") = 0 [pid 5154] ioctl(4, LOOP_CLR_FD) = 0 [pid 5154] close(4) = 0 [pid 5154] creat("./bus", 000) = 4 [pid 5154] ftruncate(4, 2043) = 0 [pid 5154] exit_group(0) = ? [pid 5154] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./40/binderfs") = 0 [ 65.969271][ T5154] 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 [ 65.985628][ T5154] REISERFS (device loop0): checking transaction log (loop0) [ 65.993899][ T5154] REISERFS (device loop0): Using r5 hash to sort names [ 66.001067][ T5154] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 66.013993][ T5154] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./40/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./40/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./40") = 0 mkdir("./41", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5156 ./strace-static-x86_64: Process 5156 attached [pid 5156] chdir("./41") = 0 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5156] setpgid(0, 0) = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5156] write(3, "1000", 4) = 4 [pid 5156] close(3) = 0 [pid 5156] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5156] memfd_create("syzkaller", 0) = 3 [pid 5156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5156] 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 5156] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5156] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5156] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5156] close(3) = 0 [pid 5156] mkdir("./file0", 0777) = 0 [ 66.146968][ T5156] loop0: detected capacity change from 0 to 8192 [ 66.157432][ T5156] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.171116][ T5156] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 66.180485][ T5156] REISERFS (device loop0): using ordered data mode [ 66.186996][ T5156] reiserfs: using flush barriers [pid 5156] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5156] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5156] chdir("./file0") = 0 [pid 5156] ioctl(4, LOOP_CLR_FD) = 0 [pid 5156] close(4) = 0 [pid 5156] creat("./bus", 000) = 4 [pid 5156] ftruncate(4, 2043) = 0 [pid 5156] exit_group(0) = ? [pid 5156] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 66.193185][ T5156] 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 [ 66.209750][ T5156] REISERFS (device loop0): checking transaction log (loop0) [ 66.217987][ T5156] REISERFS (device loop0): Using r5 hash to sort names [ 66.225410][ T5156] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 66.238340][ T5156] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. unlink("./41/binderfs") = 0 umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./41/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./41/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./41") = 0 mkdir("./42", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5158 ./strace-static-x86_64: Process 5158 attached [pid 5158] chdir("./42") = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5158] setpgid(0, 0) = 0 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5158] write(3, "1000", 4) = 4 [pid 5158] close(3) = 0 [pid 5158] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5158] memfd_create("syzkaller", 0) = 3 [pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5158] 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 5158] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5158] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5158] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5158] close(3) = 0 [pid 5158] mkdir("./file0", 0777) = 0 [ 66.383247][ T5158] loop0: detected capacity change from 0 to 8192 [ 66.393811][ T5158] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.406908][ T5158] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 66.416343][ T5158] REISERFS (device loop0): using ordered data mode [ 66.422908][ T5158] reiserfs: using flush barriers [pid 5158] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5158] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5158] chdir("./file0") = 0 [pid 5158] ioctl(4, LOOP_CLR_FD) = 0 [pid 5158] close(4) = 0 [pid 5158] creat("./bus", 000) = 4 [pid 5158] ftruncate(4, 2043) = 0 [pid 5158] exit_group(0) = ? [pid 5158] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./42/binderfs") = 0 [ 66.429005][ T5158] 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 [ 66.445740][ T5158] REISERFS (device loop0): checking transaction log (loop0) [ 66.453941][ T5158] REISERFS (device loop0): Using r5 hash to sort names [ 66.461363][ T5158] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 66.474068][ T5158] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./42/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./42/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./42") = 0 mkdir("./43", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5160 ./strace-static-x86_64: Process 5160 attached [pid 5160] chdir("./43") = 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] memfd_create("syzkaller", 0) = 3 [pid 5160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5160] 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 5160] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5160] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5160] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5160] close(3) = 0 [pid 5160] mkdir("./file0", 0777) = 0 [ 66.590495][ T5160] loop0: detected capacity change from 0 to 8192 [ 66.600088][ T5160] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.613152][ T5160] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 66.622607][ T5160] REISERFS (device loop0): using ordered data mode [ 66.629150][ T5160] reiserfs: using flush barriers [pid 5160] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5160] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5160] chdir("./file0") = 0 [pid 5160] ioctl(4, LOOP_CLR_FD) = 0 [pid 5160] close(4) = 0 [pid 5160] creat("./bus", 000) = 4 [pid 5160] ftruncate(4, 2043) = 0 [pid 5160] exit_group(0) = ? [pid 5160] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./43/binderfs") = 0 [ 66.634926][ T5160] 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 [ 66.651588][ T5160] REISERFS (device loop0): checking transaction log (loop0) [ 66.660215][ T5160] REISERFS (device loop0): Using r5 hash to sort names [ 66.667290][ T5160] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 66.680230][ T5160] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./43/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./43/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./43") = 0 mkdir("./44", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5162 attached , child_tidptr=0x5555566345d0) = 5162 [pid 5162] chdir("./44") = 0 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5162] setpgid(0, 0) = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5162] write(3, "1000", 4) = 4 [pid 5162] close(3) = 0 [pid 5162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5162] memfd_create("syzkaller", 0) = 3 [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5162] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5162] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5162] close(3) = 0 [pid 5162] mkdir("./file0", 0777) = 0 [ 66.824737][ T5162] loop0: detected capacity change from 0 to 8192 [ 66.834189][ T5162] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.847773][ T5162] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 66.858175][ T5162] REISERFS (device loop0): using ordered data mode [ 66.864811][ T5162] reiserfs: using flush barriers [pid 5162] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 66.871251][ T5162] 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 [ 66.888015][ T5162] REISERFS (device loop0): checking transaction log (loop0) [ 66.896386][ T5162] REISERFS (device loop0): Using r5 hash to sort names [ 66.903444][ T5162] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 66.916378][ T5162] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5162] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5162] chdir("./file0") = 0 [pid 5162] ioctl(4, LOOP_CLR_FD) = 0 [pid 5162] close(4) = 0 [pid 5162] creat("./bus", 000) = 4 [pid 5162] ftruncate(4, 2043) = 0 [pid 5162] exit_group(0) = ? [pid 5162] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./44/binderfs") = 0 umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./44/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./44/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./44") = 0 mkdir("./45", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5164 ./strace-static-x86_64: Process 5164 attached [pid 5164] chdir("./45") = 0 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5164] setpgid(0, 0) = 0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5164] write(3, "1000", 4) = 4 [pid 5164] close(3) = 0 [pid 5164] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5164] memfd_create("syzkaller", 0) = 3 [pid 5164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5164] 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 5164] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5164] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5164] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5164] close(3) = 0 [pid 5164] mkdir("./file0", 0777) = 0 [ 67.054239][ T5164] loop0: detected capacity change from 0 to 8192 [ 67.063613][ T5164] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 67.076980][ T5164] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 67.086406][ T5164] REISERFS (device loop0): using ordered data mode [ 67.093180][ T5164] reiserfs: using flush barriers [pid 5164] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5164] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5164] chdir("./file0") = 0 [pid 5164] ioctl(4, LOOP_CLR_FD) = 0 [pid 5164] close(4) = 0 [pid 5164] creat("./bus", 000) = 4 [pid 5164] ftruncate(4, 2043) = 0 [pid 5164] exit_group(0) = ? [pid 5164] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./45/binderfs") = 0 [ 67.099543][ T5164] 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 [ 67.116254][ T5164] REISERFS (device loop0): checking transaction log (loop0) [ 67.124745][ T5164] REISERFS (device loop0): Using r5 hash to sort names [ 67.132100][ T5164] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 67.144999][ T5164] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./45/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./45/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./45") = 0 mkdir("./46", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5166 ./strace-static-x86_64: Process 5166 attached [pid 5166] chdir("./46") = 0 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5166] setpgid(0, 0) = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5166] write(3, "1000", 4) = 4 [pid 5166] close(3) = 0 [pid 5166] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5166] memfd_create("syzkaller", 0) = 3 [pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5166] 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 5166] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5166] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5166] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5166] close(3) = 0 [pid 5166] mkdir("./file0", 0777) = 0 [ 67.283092][ T5166] loop0: detected capacity change from 0 to 8192 [ 67.292518][ T5166] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 67.305575][ T5166] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 67.314823][ T5166] REISERFS (device loop0): using ordered data mode [ 67.321400][ T5166] reiserfs: using flush barriers [pid 5166] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5166] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5166] chdir("./file0") = 0 [pid 5166] ioctl(4, LOOP_CLR_FD) = 0 [pid 5166] close(4) = 0 [pid 5166] creat("./bus", 000) = 4 [pid 5166] ftruncate(4, 2043) = 0 [pid 5166] exit_group(0) = ? [pid 5166] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./46/binderfs") = 0 [ 67.327155][ T5166] 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 [ 67.343888][ T5166] REISERFS (device loop0): checking transaction log (loop0) [ 67.352118][ T5166] REISERFS (device loop0): Using r5 hash to sort names [ 67.359462][ T5166] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 67.372636][ T5166] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./46/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./46/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./46") = 0 mkdir("./47", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5168 ./strace-static-x86_64: Process 5168 attached [pid 5168] chdir("./47") = 0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5168] setpgid(0, 0) = 0 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5168] write(3, "1000", 4) = 4 [pid 5168] close(3) = 0 [pid 5168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5168] memfd_create("syzkaller", 0) = 3 [pid 5168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5168] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5168] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5168] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5168] close(3) = 0 [pid 5168] mkdir("./file0", 0777) = 0 [ 67.504053][ T5168] loop0: detected capacity change from 0 to 8192 [ 67.515034][ T5168] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 67.528166][ T5168] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 67.537602][ T5168] REISERFS (device loop0): using ordered data mode [ 67.544200][ T5168] reiserfs: using flush barriers [pid 5168] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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 [pid 5168] close(4) = 0 [pid 5168] creat("./bus", 000) = 4 [pid 5168] ftruncate(4, 2043) = 0 [pid 5168] exit_group(0) = ? [pid 5168] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./47", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./47/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./47/binderfs") = 0 [ 67.550020][ 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 [ 67.566446][ T5168] REISERFS (device loop0): checking transaction log (loop0) [ 67.574884][ T5168] REISERFS (device loop0): Using r5 hash to sort names [ 67.582036][ T5168] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 67.595043][ T5168] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./47/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./47/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./47/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./47/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./47") = 0 mkdir("./48", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5170 ./strace-static-x86_64: Process 5170 attached [pid 5170] chdir("./48") = 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] memfd_create("syzkaller", 0) = 3 [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5170] 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 5170] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5170] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5170] close(3) = 0 [pid 5170] mkdir("./file0", 0777) = 0 [ 67.733263][ T5170] loop0: detected capacity change from 0 to 8192 [ 67.747100][ T5170] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 67.760244][ T5170] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 67.769526][ T5170] REISERFS (device loop0): using ordered data mode [ 67.776045][ T5170] reiserfs: using flush barriers [ 67.782061][ T5170] 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 [ 67.798769][ T5170] REISERFS (device loop0): checking transaction log (loop0) [ 67.807042][ T5170] REISERFS (device loop0): Using r5 hash to sort names [ 67.814225][ T5170] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5170] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5170] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5170] chdir("./file0") = 0 [pid 5170] ioctl(4, LOOP_CLR_FD) = 0 [pid 5170] close(4) = 0 [pid 5170] creat("./bus", 000) = 4 [pid 5170] ftruncate(4, 2043) = 0 [pid 5170] exit_group(0) = ? [pid 5170] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- umount2("./48", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./48/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./48/binderfs") = 0 [ 67.827048][ T5170] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./48/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./48/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./48/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./48/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./48") = 0 mkdir("./49", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5172 ./strace-static-x86_64: Process 5172 attached [pid 5172] chdir("./49") = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5172] setpgid(0, 0) = 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5172] write(3, "1000", 4) = 4 [pid 5172] close(3) = 0 [pid 5172] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5172] memfd_create("syzkaller", 0) = 3 [pid 5172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5172] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5172] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5172] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5172] close(3) = 0 [pid 5172] mkdir("./file0", 0777) = 0 [ 68.017154][ T5172] loop0: detected capacity change from 0 to 8192 [ 68.034244][ T5172] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 68.047955][ T5172] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 68.057394][ T5172] REISERFS (device loop0): using ordered data mode [ 68.063981][ T5172] reiserfs: using flush barriers [ 68.070490][ T5172] 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 [ 68.087546][ T5172] REISERFS (device loop0): checking transaction log (loop0) [ 68.096128][ T5172] REISERFS (device loop0): Using r5 hash to sort names [ 68.103315][ T5172] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5172] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5172] ftruncate(4, 2043) = 0 [pid 5172] exit_group(0) = ? [pid 5172] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./49", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./49/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./49/binderfs") = 0 [ 68.116024][ T5172] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./49/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./49/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./49/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./49/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./49") = 0 mkdir("./50", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5174 ./strace-static-x86_64: Process 5174 attached [pid 5174] chdir("./50") = 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] memfd_create("syzkaller", 0) = 3 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5174] 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 5174] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5174] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5174] close(3) = 0 [pid 5174] mkdir("./file0", 0777) = 0 [ 68.253522][ T5174] loop0: detected capacity change from 0 to 8192 [ 68.263584][ T5174] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 68.277074][ T5174] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 68.286680][ T5174] REISERFS (device loop0): using ordered data mode [ 68.293592][ T5174] reiserfs: using flush barriers [pid 5174] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5174] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5174] chdir("./file0") = 0 [pid 5174] ioctl(4, LOOP_CLR_FD) = 0 [pid 5174] close(4) = 0 [pid 5174] creat("./bus", 000) = 4 [pid 5174] ftruncate(4, 2043) = 0 [pid 5174] exit_group(0) = ? [pid 5174] +++ exited with 0 +++ --- 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 */} --- umount2("./50", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./50/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./50/binderfs") = 0 umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 68.299734][ T5174] 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 [ 68.316471][ T5174] REISERFS (device loop0): checking transaction log (loop0) [ 68.324646][ T5174] REISERFS (device loop0): Using r5 hash to sort names [ 68.332006][ T5174] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 68.344950][ T5174] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./50/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./50/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./50/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./50/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./50") = 0 mkdir("./51", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5176 attached , child_tidptr=0x5555566345d0) = 5176 [pid 5176] chdir("./51") = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5176] setpgid(0, 0) = 0 [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5176] write(3, "1000", 4) = 4 [pid 5176] close(3) = 0 [pid 5176] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5176] memfd_create("syzkaller", 0) = 3 [pid 5176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5176] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5176] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5176] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5176] close(3) = 0 [pid 5176] mkdir("./file0", 0777) = 0 [ 68.471971][ T5176] loop0: detected capacity change from 0 to 8192 [ 68.482170][ T5176] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 68.495286][ T5176] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 68.504554][ T5176] REISERFS (device loop0): using ordered data mode [ 68.511107][ T5176] reiserfs: using flush barriers [pid 5176] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5176] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5176] chdir("./file0") = 0 [pid 5176] ioctl(4, LOOP_CLR_FD) = 0 [pid 5176] close(4) = 0 [pid 5176] creat("./bus", 000) = 4 [pid 5176] ftruncate(4, 2043) = 0 [pid 5176] exit_group(0) = ? [pid 5176] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./51", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./51/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./51/binderfs") = 0 [ 68.516837][ T5176] 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 [ 68.533338][ T5176] REISERFS (device loop0): checking transaction log (loop0) [ 68.541495][ T5176] REISERFS (device loop0): Using r5 hash to sort names [ 68.548605][ T5176] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 68.561333][ T5176] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./51/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./51/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./51/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./51/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./51") = 0 mkdir("./52", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5178 ./strace-static-x86_64: Process 5178 attached [pid 5178] chdir("./52") = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5178] setpgid(0, 0) = 0 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5178] write(3, "1000", 4) = 4 [pid 5178] close(3) = 0 [pid 5178] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5178] memfd_create("syzkaller", 0) = 3 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5178] 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 5178] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5178] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5178] close(3) = 0 [pid 5178] mkdir("./file0", 0777) = 0 [ 68.699044][ T5178] loop0: detected capacity change from 0 to 8192 [ 68.708757][ T5178] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 68.722236][ T5178] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 68.732063][ T5178] REISERFS (device loop0): using ordered data mode [ 68.738989][ T5178] reiserfs: using flush barriers [pid 5178] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5178] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5178] chdir("./file0") = 0 [pid 5178] ioctl(4, LOOP_CLR_FD) = 0 [pid 5178] close(4) = 0 [pid 5178] creat("./bus", 000) = 4 [pid 5178] ftruncate(4, 2043) = 0 [pid 5178] exit_group(0) = ? [pid 5178] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./52", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./52/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./52/binderfs") = 0 [ 68.744846][ T5178] 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 [ 68.761480][ T5178] REISERFS (device loop0): checking transaction log (loop0) [ 68.769708][ T5178] REISERFS (device loop0): Using r5 hash to sort names [ 68.776744][ T5178] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 68.789909][ T5178] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./52/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./52/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./52/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./52/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./52") = 0 mkdir("./53", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5180 ./strace-static-x86_64: Process 5180 attached [pid 5180] chdir("./53") = 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] memfd_create("syzkaller", 0) = 3 [pid 5180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5180] 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 5180] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5180] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5180] close(3) = 0 [pid 5180] mkdir("./file0", 0777) = 0 [ 68.920119][ T5180] loop0: detected capacity change from 0 to 8192 [ 68.929709][ T5180] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 68.943015][ T5180] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 68.952705][ T5180] REISERFS (device loop0): using ordered data mode [ 68.959658][ T5180] reiserfs: using flush barriers [pid 5180] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5180] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5180] chdir("./file0") = 0 [pid 5180] ioctl(4, LOOP_CLR_FD) = 0 [pid 5180] close(4) = 0 [pid 5180] creat("./bus", 000) = 4 [pid 5180] ftruncate(4, 2043) = 0 [pid 5180] exit_group(0) = ? [pid 5180] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./53", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./53/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./53/binderfs") = 0 [ 68.965642][ T5180] 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 [ 68.982328][ T5180] REISERFS (device loop0): checking transaction log (loop0) [ 68.990319][ T5180] REISERFS (device loop0): Using r5 hash to sort names [ 68.997320][ T5180] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 69.010043][ T5180] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./53/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./53/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./53/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./53/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./53") = 0 mkdir("./54", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5182 ./strace-static-x86_64: Process 5182 attached [pid 5182] chdir("./54") = 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 [pid 5182] write(3, "1000", 4) = 4 [pid 5182] close(3) = 0 [pid 5182] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5182] memfd_create("syzkaller", 0) = 3 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5182] 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 5182] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5182] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5182] close(3) = 0 [pid 5182] mkdir("./file0", 0777) = 0 [ 69.144002][ T5182] loop0: detected capacity change from 0 to 8192 [ 69.154488][ T5182] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 69.168176][ T5182] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 69.177365][ T5182] REISERFS (device loop0): using ordered data mode [ 69.184140][ T5182] reiserfs: using flush barriers [pid 5182] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5182] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5182] chdir("./file0") = 0 [ 69.190115][ T5182] 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 [ 69.206884][ T5182] REISERFS (device loop0): checking transaction log (loop0) [ 69.215316][ T5182] REISERFS (device loop0): Using r5 hash to sort names [ 69.222614][ T5182] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 69.235547][ T5182] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5182] ioctl(4, LOOP_CLR_FD) = 0 [pid 5182] close(4) = 0 [pid 5182] creat("./bus", 000) = 4 [pid 5182] ftruncate(4, 2043) = 0 [pid 5182] exit_group(0) = ? [pid 5182] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./54", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./54/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./54/binderfs") = 0 umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./54/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./54/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./54/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./54/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./54") = 0 mkdir("./55", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5184 ./strace-static-x86_64: Process 5184 attached [pid 5184] chdir("./55") = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5184] setpgid(0, 0) = 0 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5184] write(3, "1000", 4) = 4 [pid 5184] close(3) = 0 [pid 5184] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5184] memfd_create("syzkaller", 0) = 3 [pid 5184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5184] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5184] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5184] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5184] close(3) = 0 [pid 5184] mkdir("./file0", 0777) = 0 [ 69.371418][ T5184] loop0: detected capacity change from 0 to 8192 [ 69.382299][ T5184] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 69.395654][ T5184] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 69.404946][ T5184] REISERFS (device loop0): using ordered data mode [ 69.411493][ T5184] reiserfs: using flush barriers [pid 5184] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5184] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5184] chdir("./file0") = 0 [pid 5184] ioctl(4, LOOP_CLR_FD) = 0 [pid 5184] close(4) = 0 [pid 5184] creat("./bus", 000) = 4 [pid 5184] ftruncate(4, 2043) = 0 [pid 5184] exit_group(0) = ? [pid 5184] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- umount2("./55", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./55/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./55/binderfs") = 0 [ 69.417277][ T5184] 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 [ 69.433746][ T5184] REISERFS (device loop0): checking transaction log (loop0) [ 69.441881][ T5184] REISERFS (device loop0): Using r5 hash to sort names [ 69.448994][ T5184] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 69.461697][ T5184] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./55/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./55/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./55/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./55/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./55") = 0 mkdir("./56", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5186 ./strace-static-x86_64: Process 5186 attached [pid 5186] chdir("./56") = 0 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5186] setpgid(0, 0) = 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5186] write(3, "1000", 4) = 4 [pid 5186] close(3) = 0 [pid 5186] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5186] memfd_create("syzkaller", 0) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5186] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5186] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5186] close(3) = 0 [pid 5186] mkdir("./file0", 0777) = 0 [ 69.599129][ T5186] loop0: detected capacity change from 0 to 8192 [ 69.609621][ T5186] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 69.622630][ T5186] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 69.632143][ T5186] REISERFS (device loop0): using ordered data mode [ 69.638919][ T5186] reiserfs: using flush barriers [pid 5186] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5186] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5186] chdir("./file0") = 0 [pid 5186] ioctl(4, LOOP_CLR_FD) = 0 [pid 5186] close(4) = 0 [pid 5186] creat("./bus", 000) = 4 [pid 5186] ftruncate(4, 2043) = 0 [pid 5186] exit_group(0) = ? [pid 5186] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./56", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./56/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./56/binderfs") = 0 [ 69.644802][ 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 [ 69.661478][ T5186] REISERFS (device loop0): checking transaction log (loop0) [ 69.669759][ T5186] REISERFS (device loop0): Using r5 hash to sort names [ 69.677061][ T5186] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 69.690226][ T5186] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./56/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./56/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./56/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./56/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./56") = 0 mkdir("./57", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5188 ./strace-static-x86_64: Process 5188 attached [pid 5188] chdir("./57") = 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5188] setpgid(0, 0) = 0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5188] write(3, "1000", 4) = 4 [pid 5188] close(3) = 0 [pid 5188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5188] memfd_create("syzkaller", 0) = 3 [pid 5188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5188] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5188] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5188] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5188] close(3) = 0 [pid 5188] mkdir("./file0", 0777) = 0 [ 69.806660][ T5188] loop0: detected capacity change from 0 to 8192 [ 69.816492][ T5188] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 69.829697][ T5188] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 69.839011][ T5188] REISERFS (device loop0): using ordered data mode [ 69.845528][ T5188] reiserfs: using flush barriers [pid 5188] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5188] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5188] chdir("./file0") = 0 [pid 5188] ioctl(4, LOOP_CLR_FD) = 0 [pid 5188] close(4) = 0 [pid 5188] creat("./bus", 000) = 4 [pid 5188] ftruncate(4, 2043) = 0 [pid 5188] exit_group(0) = ? [pid 5188] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./57", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./57/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./57/binderfs") = 0 [ 69.851650][ T5188] 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 [ 69.868195][ T5188] REISERFS (device loop0): checking transaction log (loop0) [ 69.876445][ T5188] REISERFS (device loop0): Using r5 hash to sort names [ 69.883582][ T5188] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 69.896347][ T5188] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./57/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./57/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./57/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./57/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./57") = 0 mkdir("./58", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5190 ./strace-static-x86_64: Process 5190 attached [pid 5190] chdir("./58") = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [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] memfd_create("syzkaller", 0) = 3 [pid 5190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5190] 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 5190] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5190] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5190] close(3) = 0 [pid 5190] mkdir("./file0", 0777) = 0 [ 70.021800][ T5190] loop0: detected capacity change from 0 to 8192 [ 70.031858][ T5190] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.044957][ T5190] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 70.054418][ T5190] REISERFS (device loop0): using ordered data mode [ 70.060978][ T5190] reiserfs: using flush barriers [pid 5190] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5190] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5190] chdir("./file0") = 0 [pid 5190] ioctl(4, LOOP_CLR_FD) = 0 [pid 5190] close(4) = 0 [pid 5190] creat("./bus", 000) = 4 [pid 5190] ftruncate(4, 2043) = 0 [pid 5190] exit_group(0) = ? [pid 5190] +++ exited with 0 +++ --- 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=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./58", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 [ 70.066848][ T5190] 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 [ 70.083337][ T5190] REISERFS (device loop0): checking transaction log (loop0) [ 70.091707][ T5190] REISERFS (device loop0): Using r5 hash to sort names [ 70.098751][ T5190] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 70.111468][ T5190] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./58/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./58/binderfs") = 0 umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./58/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./58/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./58/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./58/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./58") = 0 mkdir("./59", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5192 ./strace-static-x86_64: Process 5192 attached [pid 5192] chdir("./59") = 0 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] setpgid(0, 0) = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5192] write(3, "1000", 4) = 4 [pid 5192] close(3) = 0 [pid 5192] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5192] memfd_create("syzkaller", 0) = 3 [pid 5192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5192] 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 5192] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5192] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5192] close(3) = 0 [pid 5192] mkdir("./file0", 0777) = 0 [ 70.246092][ T5192] loop0: detected capacity change from 0 to 8192 [ 70.255528][ T5192] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.268967][ T5192] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 70.278610][ T5192] REISERFS (device loop0): using ordered data mode [ 70.285388][ T5192] reiserfs: using flush barriers [pid 5192] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5192] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5192] chdir("./file0") = 0 [pid 5192] ioctl(4, LOOP_CLR_FD) = 0 [pid 5192] close(4) = 0 [pid 5192] creat("./bus", 000) = 4 [pid 5192] ftruncate(4, 2043) = 0 [pid 5192] exit_group(0) = ? [pid 5192] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./59", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./59/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./59/binderfs") = 0 [ 70.291508][ T5192] 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 [ 70.308481][ T5192] REISERFS (device loop0): checking transaction log (loop0) [ 70.316665][ T5192] REISERFS (device loop0): Using r5 hash to sort names [ 70.324067][ T5192] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 70.336937][ T5192] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./59/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./59/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./59/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./59/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./59") = 0 mkdir("./60", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5194 ./strace-static-x86_64: Process 5194 attached [pid 5194] chdir("./60") = 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5194] setpgid(0, 0) = 0 [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] memfd_create("syzkaller", 0) = 3 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5194] 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 5194] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5194] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5194] close(3) = 0 [pid 5194] mkdir("./file0", 0777) = 0 [ 70.462798][ T5194] loop0: detected capacity change from 0 to 8192 [ 70.473405][ T5194] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.486468][ T5194] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 70.495686][ T5194] REISERFS (device loop0): using ordered data mode [ 70.502243][ T5194] reiserfs: using flush barriers [pid 5194] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5194] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5194] chdir("./file0") = 0 [pid 5194] ioctl(4, LOOP_CLR_FD) = 0 [pid 5194] close(4) = 0 [pid 5194] creat("./bus", 000) = 4 [pid 5194] ftruncate(4, 2043) = 0 [pid 5194] exit_group(0) = ? [pid 5194] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./60", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./60/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./60/binderfs") = 0 [ 70.508072][ T5194] 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 [ 70.524414][ T5194] REISERFS (device loop0): checking transaction log (loop0) [ 70.532798][ T5194] REISERFS (device loop0): Using r5 hash to sort names [ 70.539865][ T5194] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 70.552790][ T5194] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./60/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./60/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./60/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./60/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./60") = 0 mkdir("./61", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5196 ./strace-static-x86_64: Process 5196 attached [pid 5196] chdir("./61") = 0 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5196] setpgid(0, 0) = 0 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5196] write(3, "1000", 4) = 4 [pid 5196] close(3) = 0 [pid 5196] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5196] memfd_create("syzkaller", 0) = 3 [pid 5196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5196] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5196] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5196] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5196] close(3) = 0 [pid 5196] mkdir("./file0", 0777) = 0 [ 70.678286][ T5196] loop0: detected capacity change from 0 to 8192 [ 70.687496][ T5196] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.700594][ T5196] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 70.710085][ T5196] REISERFS (device loop0): using ordered data mode [ 70.716596][ T5196] reiserfs: using flush barriers [pid 5196] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5196] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5196] chdir("./file0") = 0 [pid 5196] ioctl(4, LOOP_CLR_FD) = 0 [pid 5196] close(4) = 0 [pid 5196] creat("./bus", 000) = 4 [pid 5196] ftruncate(4, 2043) = 0 [pid 5196] exit_group(0) = ? [pid 5196] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./61", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./61/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./61/binderfs") = 0 [ 70.722604][ T5196] 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 [ 70.739127][ T5196] REISERFS (device loop0): checking transaction log (loop0) [ 70.747346][ T5196] REISERFS (device loop0): Using r5 hash to sort names [ 70.754499][ T5196] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 70.767284][ T5196] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./61/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./61/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./61/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./61/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./61") = 0 mkdir("./62", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5198 ./strace-static-x86_64: Process 5198 attached [pid 5198] chdir("./62") = 0 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5198] setpgid(0, 0) = 0 [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5198] write(3, "1000", 4) = 4 [pid 5198] close(3) = 0 [pid 5198] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5198] memfd_create("syzkaller", 0) = 3 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5198] 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 5198] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5198] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5198] close(3) = 0 [pid 5198] mkdir("./file0", 0777) = 0 [ 70.903469][ T5198] loop0: detected capacity change from 0 to 8192 [ 70.913150][ T5198] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 70.926310][ T5198] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 70.935559][ T5198] REISERFS (device loop0): using ordered data mode [ 70.942115][ T5198] reiserfs: using flush barriers [pid 5198] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5198] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5198] chdir("./file0") = 0 [pid 5198] ioctl(4, LOOP_CLR_FD) = 0 [pid 5198] close(4) = 0 [pid 5198] creat("./bus", 000) = 4 [pid 5198] ftruncate(4, 2043) = 0 [pid 5198] exit_group(0) = ? [pid 5198] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./62", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./62/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./62/binderfs") = 0 [ 70.947945][ T5198] 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 [ 70.964420][ T5198] REISERFS (device loop0): checking transaction log (loop0) [ 70.972740][ T5198] REISERFS (device loop0): Using r5 hash to sort names [ 70.979874][ T5198] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 70.992630][ T5198] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./62/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./62/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./62/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./62/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./62") = 0 mkdir("./63", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5200 ./strace-static-x86_64: Process 5200 attached [pid 5200] chdir("./63") = 0 [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5200] setpgid(0, 0) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5200] write(3, "1000", 4) = 4 [pid 5200] close(3) = 0 [pid 5200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5200] memfd_create("syzkaller", 0) = 3 [pid 5200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5200] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5200] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5200] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5200] close(3) = 0 [pid 5200] mkdir("./file0", 0777) = 0 [ 71.111536][ T5200] loop0: detected capacity change from 0 to 8192 [ 71.121152][ T5200] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 71.134573][ T5200] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 71.144065][ T5200] REISERFS (device loop0): using ordered data mode [ 71.150790][ T5200] reiserfs: using flush barriers [ 71.156440][ T5200] 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 [ 71.173230][ T5200] REISERFS (device loop0): checking transaction log (loop0) [ 71.181556][ T5200] REISERFS (device loop0): Using r5 hash to sort names [ 71.188800][ T5200] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5200] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5200] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5200] chdir("./file0") = 0 [pid 5200] ioctl(4, LOOP_CLR_FD) = 0 [pid 5200] close(4) = 0 [pid 5200] creat("./bus", 000) = 4 [pid 5200] ftruncate(4, 2043) = 0 [pid 5200] exit_group(0) = ? [pid 5200] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./63", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./63/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./63/binderfs") = 0 [ 71.208394][ T1211] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.214822][ T1211] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.218118][ T5200] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./63/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./63/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./63/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./63/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./63") = 0 mkdir("./64", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5202 ./strace-static-x86_64: Process 5202 attached [pid 5202] chdir("./64") = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5202] setpgid(0, 0) = 0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5202] write(3, "1000", 4) = 4 [pid 5202] close(3) = 0 [pid 5202] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5202] memfd_create("syzkaller", 0) = 3 [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5202] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5202] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5202] close(3) = 0 [pid 5202] mkdir("./file0", 0777) = 0 [ 71.439662][ T5202] loop0: detected capacity change from 0 to 8192 [ 71.458890][ T5202] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 71.472329][ T5202] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 71.481951][ T5202] REISERFS (device loop0): using ordered data mode [ 71.488931][ T5202] reiserfs: using flush barriers [ 71.495934][ T5202] 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 [ 71.512853][ T5202] REISERFS (device loop0): checking transaction log (loop0) [ 71.521542][ T5202] REISERFS (device loop0): Using r5 hash to sort names [pid 5202] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5202] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5202] chdir("./file0") = 0 [pid 5202] ioctl(4, LOOP_CLR_FD) = 0 [pid 5202] close(4) = 0 [pid 5202] creat("./bus", 000) = 4 [pid 5202] ftruncate(4, 2043) = 0 [pid 5202] exit_group(0) = ? [pid 5202] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./64", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./64/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./64/binderfs") = 0 [ 71.529109][ T5202] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 71.542272][ T5202] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./64/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./64/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./64/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./64/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./64") = 0 mkdir("./65", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5204 ./strace-static-x86_64: Process 5204 attached [pid 5204] chdir("./65") = 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] memfd_create("syzkaller", 0) = 3 [pid 5204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5204] 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 5204] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5204] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5204] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5204] close(3) = 0 [pid 5204] mkdir("./file0", 0777) = 0 [ 71.741597][ T5204] loop0: detected capacity change from 0 to 8192 [ 71.757806][ T5204] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 71.770912][ T5204] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 71.780147][ T5204] REISERFS (device loop0): using ordered data mode [ 71.786666][ T5204] reiserfs: using flush barriers [ 71.792671][ T5204] 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 [ 71.809057][ T5204] REISERFS (device loop0): checking transaction log (loop0) [ 71.817101][ T5204] REISERFS (device loop0): Using r5 hash to sort names [ 71.824420][ T5204] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5204] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5204] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5204] chdir("./file0") = 0 [pid 5204] ioctl(4, LOOP_CLR_FD) = 0 [pid 5204] close(4) = 0 [pid 5204] creat("./bus", 000) = 4 [pid 5204] ftruncate(4, 2043) = 0 [pid 5204] exit_group(0) = ? [pid 5204] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./65", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./65/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./65/binderfs") = 0 [ 71.837178][ T5204] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./65/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./65/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./65/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./65/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./65") = 0 mkdir("./66", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5206 ./strace-static-x86_64: Process 5206 attached [pid 5206] chdir("./66") = 0 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5206] setpgid(0, 0) = 0 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5206] write(3, "1000", 4) = 4 [pid 5206] close(3) = 0 [pid 5206] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5206] memfd_create("syzkaller", 0) = 3 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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(0x7f2a552ad000, 4194304) = 0 [pid 5206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5206] close(3) = 0 [pid 5206] mkdir("./file0", 0777) = 0 [ 71.968184][ T5206] loop0: detected capacity change from 0 to 8192 [ 71.980031][ T5206] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 71.993063][ T5206] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 72.002336][ T5206] REISERFS (device loop0): using ordered data mode [ 72.008951][ T5206] reiserfs: using flush barriers [pid 5206] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5206] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5206] chdir("./file0") = 0 [pid 5206] ioctl(4, LOOP_CLR_FD) = 0 [pid 5206] close(4) = 0 [pid 5206] creat("./bus", 000) = 4 [pid 5206] ftruncate(4, 2043) = 0 [pid 5206] exit_group(0) = ? [pid 5206] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- [ 72.014860][ T5206] 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 [ 72.031354][ T5206] REISERFS (device loop0): checking transaction log (loop0) [ 72.039588][ T5206] REISERFS (device loop0): Using r5 hash to sort names [ 72.046701][ T5206] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 72.059526][ T5206] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./66", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./66/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./66/binderfs") = 0 umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./66/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./66/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./66/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./66/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./66") = 0 mkdir("./67", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5208 ./strace-static-x86_64: Process 5208 attached [pid 5208] chdir("./67") = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5208] setpgid(0, 0) = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5208] write(3, "1000", 4) = 4 [pid 5208] close(3) = 0 [pid 5208] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5208] memfd_create("syzkaller", 0) = 3 [pid 5208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5208] 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 5208] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5208] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5208] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5208] close(3) = 0 [pid 5208] mkdir("./file0", 0777) = 0 [ 72.201855][ T5208] loop0: detected capacity change from 0 to 8192 [ 72.212917][ T5208] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.226587][ T5208] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 72.236167][ T5208] REISERFS (device loop0): using ordered data mode [ 72.243031][ T5208] reiserfs: using flush barriers [ 72.249096][ T5208] 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 [ 72.265467][ T5208] REISERFS (device loop0): checking transaction log (loop0) [ 72.273880][ T5208] REISERFS (device loop0): Using r5 hash to sort names [ 72.280937][ T5208] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5208] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5208] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5208] chdir("./file0") = 0 [pid 5208] ioctl(4, LOOP_CLR_FD) = 0 [pid 5208] close(4) = 0 [pid 5208] creat("./bus", 000) = 4 [pid 5208] ftruncate(4, 2043) = 0 [pid 5208] exit_group(0) = ? [pid 5208] +++ exited with 0 +++ --- 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 */} --- umount2("./67", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./67/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./67/binderfs") = 0 [ 72.293685][ T5208] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./67/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./67/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./67/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./67/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./67") = 0 mkdir("./68", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5210 ./strace-static-x86_64: Process 5210 attached [pid 5210] chdir("./68") = 0 [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 [pid 5210] close(3) = 0 [pid 5210] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5210] memfd_create("syzkaller", 0) = 3 [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5210] 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 5210] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5210] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5210] close(3) = 0 [pid 5210] mkdir("./file0", 0777) = 0 [ 72.443955][ T5210] loop0: detected capacity change from 0 to 8192 [ 72.454607][ T5210] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.467921][ T5210] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 72.477356][ T5210] REISERFS (device loop0): using ordered data mode [ 72.484251][ T5210] reiserfs: using flush barriers [ 72.490397][ T5210] 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 [ 72.507095][ T5210] REISERFS (device loop0): checking transaction log (loop0) [ 72.515515][ T5210] REISERFS (device loop0): Using r5 hash to sort names [ 72.522840][ T5210] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5210] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5210] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5210] chdir("./file0") = 0 [pid 5210] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] close(4) = 0 [pid 5210] creat("./bus", 000) = 4 [pid 5210] ftruncate(4, 2043) = 0 [pid 5210] exit_group(0) = ? [pid 5210] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./68", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./68/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./68/binderfs") = 0 [ 72.535979][ T5210] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./68/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./68/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./68/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./68/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./68") = 0 mkdir("./69", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5212 ./strace-static-x86_64: Process 5212 attached [pid 5212] chdir("./69") = 0 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] setpgid(0, 0) = 0 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5212] write(3, "1000", 4) = 4 [pid 5212] close(3) = 0 [pid 5212] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5212] memfd_create("syzkaller", 0) = 3 [pid 5212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5212] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5212] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5212] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5212] close(3) = 0 [pid 5212] mkdir("./file0", 0777) = 0 [ 72.688365][ T5212] loop0: detected capacity change from 0 to 8192 [ 72.709179][ T5212] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.722588][ T5212] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 72.732298][ T5212] REISERFS (device loop0): using ordered data mode [ 72.739275][ T5212] reiserfs: using flush barriers [ 72.745278][ 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 [ 72.762152][ T5212] REISERFS (device loop0): checking transaction log (loop0) [ 72.770670][ T5212] REISERFS (device loop0): Using r5 hash to sort names [pid 5212] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5212] ftruncate(4, 2043) = 0 [pid 5212] exit_group(0) = ? [pid 5212] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./69", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./69/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./69/binderfs") = 0 umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 72.778129][ T5212] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 72.790841][ T5212] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./69/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./69/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./69/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./69/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./69") = 0 mkdir("./70", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5214 ./strace-static-x86_64: Process 5214 attached [pid 5214] chdir("./70") = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5214] memfd_create("syzkaller", 0) = 3 [pid 5214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5214] 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 5214] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5214] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5214] close(3) = 0 [pid 5214] mkdir("./file0", 0777) = 0 [ 72.932037][ T5214] loop0: detected capacity change from 0 to 8192 [ 72.941917][ T5214] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 72.955251][ T5214] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 72.964864][ T5214] REISERFS (device loop0): using ordered data mode [ 72.971697][ T5214] reiserfs: using flush barriers [pid 5214] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5214] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5214] chdir("./file0") = 0 [pid 5214] ioctl(4, LOOP_CLR_FD) = 0 [pid 5214] close(4) = 0 [pid 5214] creat("./bus", 000) = 4 [ 72.977430][ T5214] 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 [ 72.993929][ T5214] REISERFS (device loop0): checking transaction log (loop0) [ 73.002323][ T5214] REISERFS (device loop0): Using r5 hash to sort names [ 73.009471][ T5214] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 73.022216][ T5214] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5214] ftruncate(4, 2043) = 0 [pid 5214] exit_group(0) = ? [pid 5214] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./70", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./70/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./70/binderfs") = 0 umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./70/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./70/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./70/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./70/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./70") = 0 mkdir("./71", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5216 ./strace-static-x86_64: Process 5216 attached [pid 5216] chdir("./71") = 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] memfd_create("syzkaller", 0) = 3 [pid 5216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5216] 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 5216] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5216] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5216] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5216] close(3) = 0 [pid 5216] mkdir("./file0", 0777) = 0 [ 73.197124][ T5216] loop0: detected capacity change from 0 to 8192 [ 73.206843][ T5216] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.220053][ T5216] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 73.229374][ T5216] REISERFS (device loop0): using ordered data mode [ 73.235896][ T5216] reiserfs: using flush barriers [pid 5216] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5216] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5216] chdir("./file0") = 0 [pid 5216] ioctl(4, LOOP_CLR_FD) = 0 [pid 5216] close(4) = 0 [pid 5216] creat("./bus", 000) = 4 [pid 5216] ftruncate(4, 2043) = 0 [pid 5216] exit_group(0) = ? [pid 5216] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./71", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./71/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./71/binderfs") = 0 [ 73.241947][ T5216] 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 [ 73.258345][ T5216] REISERFS (device loop0): checking transaction log (loop0) [ 73.266592][ T5216] REISERFS (device loop0): Using r5 hash to sort names [ 73.273927][ T5216] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 73.286973][ T5216] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./71/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./71/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./71/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./71/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./71") = 0 mkdir("./72", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5218 ./strace-static-x86_64: Process 5218 attached [pid 5218] chdir("./72") = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5218] setpgid(0, 0) = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1000", 4) = 4 [pid 5218] close(3) = 0 [pid 5218] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5218] 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 5218] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5218] close(3) = 0 [pid 5218] mkdir("./file0", 0777) = 0 [ 73.410624][ T5218] loop0: detected capacity change from 0 to 8192 [ 73.420976][ T5218] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.434274][ T5218] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 73.444072][ T5218] REISERFS (device loop0): using ordered data mode [ 73.451028][ T5218] reiserfs: using flush barriers [ 73.457047][ T5218] 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 [ 73.474015][ T5218] REISERFS (device loop0): checking transaction log (loop0) [ 73.482308][ T5218] REISERFS (device loop0): Using r5 hash to sort names [ 73.489612][ T5218] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5218] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5218] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5218] chdir("./file0") = 0 [pid 5218] ioctl(4, LOOP_CLR_FD) = 0 [pid 5218] close(4) = 0 [pid 5218] creat("./bus", 000) = 4 [pid 5218] ftruncate(4, 2043) = 0 [pid 5218] exit_group(0) = ? [pid 5218] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./72", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./72/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./72/binderfs") = 0 [ 73.502706][ T5218] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./72/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./72/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./72/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./72/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./72") = 0 mkdir("./73", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5220 attached , child_tidptr=0x5555566345d0) = 5220 [pid 5220] chdir("./73") = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5220] setpgid(0, 0) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5220] write(3, "1000", 4) = 4 [pid 5220] close(3) = 0 [pid 5220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5220] memfd_create("syzkaller", 0) = 3 [pid 5220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5220] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5220] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5220] close(3) = 0 [pid 5220] mkdir("./file0", 0777) = 0 [ 73.638684][ T5220] loop0: detected capacity change from 0 to 8192 [ 73.649643][ T5220] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.662940][ T5220] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 73.672666][ T5220] REISERFS (device loop0): using ordered data mode [ 73.679804][ T5220] reiserfs: using flush barriers [ 73.685707][ T5220] 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 [ 73.702896][ T5220] REISERFS (device loop0): checking transaction log (loop0) [ 73.711098][ T5220] REISERFS (device loop0): Using r5 hash to sort names [ 73.718354][ T5220] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5220] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5220] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5220] chdir("./file0") = 0 [pid 5220] ioctl(4, LOOP_CLR_FD) = 0 [pid 5220] close(4) = 0 [pid 5220] creat("./bus", 000) = 4 [pid 5220] ftruncate(4, 2043) = 0 [pid 5220] exit_group(0) = ? [pid 5220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./73", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./73/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./73/binderfs") = 0 [ 73.731202][ T5220] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./73/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./73/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./73/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./73/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./73") = 0 mkdir("./74", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5222 ./strace-static-x86_64: Process 5222 attached [pid 5222] chdir("./74") = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5222] setpgid(0, 0) = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1000", 4) = 4 [pid 5222] close(3) = 0 [pid 5222] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5222] memfd_create("syzkaller", 0) = 3 [pid 5222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5222] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5222] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5222] close(3) = 0 [pid 5222] mkdir("./file0", 0777) = 0 [ 73.869002][ T5222] loop0: detected capacity change from 0 to 8192 [ 73.879886][ T5222] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 73.893061][ T5222] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 73.902601][ T5222] REISERFS (device loop0): using ordered data mode [ 73.909389][ T5222] reiserfs: using flush barriers [pid 5222] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5222] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5222] chdir("./file0") = 0 [pid 5222] ioctl(4, LOOP_CLR_FD) = 0 [ 73.915242][ T5222] 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 [ 73.932305][ T5222] REISERFS (device loop0): checking transaction log (loop0) [ 73.940320][ T5222] REISERFS (device loop0): Using r5 hash to sort names [ 73.947347][ T5222] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 73.960452][ T5222] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5222] close(4) = 0 [pid 5222] creat("./bus", 000) = 4 [pid 5222] ftruncate(4, 2043) = 0 [pid 5222] exit_group(0) = ? [pid 5222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./74", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./74/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./74/binderfs") = 0 umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./74/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./74/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./74/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./74/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./74") = 0 mkdir("./75", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5224 ./strace-static-x86_64: Process 5224 attached [pid 5224] chdir("./75") = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setpgid(0, 0) = 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5224] write(3, "1000", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5224] memfd_create("syzkaller", 0) = 3 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5224] 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 5224] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5224] close(3) = 0 [pid 5224] mkdir("./file0", 0777) = 0 [ 74.102447][ T5224] loop0: detected capacity change from 0 to 8192 [ 74.112981][ T5224] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 74.126237][ T5224] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 74.135492][ T5224] REISERFS (device loop0): using ordered data mode [ 74.142090][ T5224] reiserfs: using flush barriers [pid 5224] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5224] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5224] chdir("./file0") = 0 [pid 5224] ioctl(4, LOOP_CLR_FD) = 0 [pid 5224] close(4) = 0 [pid 5224] creat("./bus", 000) = 4 [pid 5224] ftruncate(4, 2043) = 0 [pid 5224] exit_group(0) = ? [pid 5224] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./75", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./75/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./75/binderfs") = 0 [ 74.147824][ T5224] 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 [ 74.164289][ T5224] REISERFS (device loop0): checking transaction log (loop0) [ 74.172691][ T5224] REISERFS (device loop0): Using r5 hash to sort names [ 74.179787][ T5224] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 74.192542][ T5224] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./75/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./75/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./75/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./75/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./75") = 0 mkdir("./76", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5226 ./strace-static-x86_64: Process 5226 attached [pid 5226] chdir("./76") = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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] memfd_create("syzkaller", 0) = 3 [pid 5226] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5226] 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 5226] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5226] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5226] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5226] close(3) = 0 [pid 5226] mkdir("./file0", 0777) = 0 [ 74.317654][ T5226] loop0: detected capacity change from 0 to 8192 [ 74.328731][ T5226] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 74.341839][ T5226] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 74.351105][ T5226] REISERFS (device loop0): using ordered data mode [ 74.357626][ T5226] reiserfs: using flush barriers [ 74.363732][ T5226] 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 [ 74.380146][ T5226] REISERFS (device loop0): checking transaction log (loop0) [ 74.388981][ T5226] REISERFS (device loop0): Using r5 hash to sort names [ 74.396265][ T5226] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5226] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5226] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5226] chdir("./file0") = 0 [pid 5226] ioctl(4, LOOP_CLR_FD) = 0 [pid 5226] close(4) = 0 [pid 5226] creat("./bus", 000) = 4 [pid 5226] ftruncate(4, 2043) = 0 [pid 5226] exit_group(0) = ? [pid 5226] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./76", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./76/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./76/binderfs") = 0 [ 74.409508][ T5226] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./76/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./76/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./76/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./76/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./76") = 0 mkdir("./77", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5228 ./strace-static-x86_64: Process 5228 attached [pid 5228] chdir("./77") = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5228] setpgid(0, 0) = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5228] memfd_create("syzkaller", 0) = 3 [pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5228] 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 5228] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5228] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5228] close(3) = 0 [pid 5228] mkdir("./file0", 0777) = 0 [ 74.546250][ T5228] loop0: detected capacity change from 0 to 8192 [ 74.557029][ T5228] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 74.570412][ T5228] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 74.579835][ T5228] REISERFS (device loop0): using ordered data mode [ 74.586357][ T5228] reiserfs: using flush barriers [ 74.592542][ T5228] 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 [ 74.609158][ T5228] REISERFS (device loop0): checking transaction log (loop0) [ 74.617571][ T5228] REISERFS (device loop0): Using r5 hash to sort names [ 74.624938][ T5228] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5228] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5228] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5228] chdir("./file0") = 0 [pid 5228] ioctl(4, LOOP_CLR_FD) = 0 [pid 5228] close(4) = 0 [pid 5228] creat("./bus", 000) = 4 [pid 5228] ftruncate(4, 2043) = 0 [pid 5228] exit_group(0) = ? [pid 5228] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./77", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./77/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./77/binderfs") = 0 [ 74.638011][ T5228] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./77/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./77/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./77/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./77/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./77") = 0 mkdir("./78", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5230 ./strace-static-x86_64: Process 5230 attached [pid 5230] chdir("./78") = 0 [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5230] setpgid(0, 0) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5230] write(3, "1000", 4) = 4 [pid 5230] close(3) = 0 [pid 5230] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5230] memfd_create("syzkaller", 0) = 3 [pid 5230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5230] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5230] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5230] close(3) = 0 [pid 5230] mkdir("./file0", 0777) = 0 [ 74.790569][ T5230] loop0: detected capacity change from 0 to 8192 [ 74.802064][ T5230] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 74.815221][ T5230] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 74.824469][ T5230] REISERFS (device loop0): using ordered data mode [ 74.831036][ T5230] reiserfs: using flush barriers [pid 5230] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 74.836935][ 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 [ 74.853420][ T5230] REISERFS (device loop0): checking transaction log (loop0) [ 74.862032][ T5230] REISERFS (device loop0): Using r5 hash to sort names [ 74.869275][ T5230] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [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] creat("./bus", 000) = 4 [pid 5230] ftruncate(4, 2043) = 0 [pid 5230] exit_group(0) = ? [pid 5230] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./78", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./78/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./78/binderfs") = 0 [ 74.882213][ T5230] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./78/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./78/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./78/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./78/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./78") = 0 mkdir("./79", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5232 ./strace-static-x86_64: Process 5232 attached [pid 5232] chdir("./79") = 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) = 0 [pid 5232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5232] memfd_create("syzkaller", 0) = 3 [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5232] 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 5232] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5232] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5232] close(3) = 0 [pid 5232] mkdir("./file0", 0777) = 0 [ 75.028640][ T5232] loop0: detected capacity change from 0 to 8192 [ 75.038326][ T5232] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 75.051403][ T5232] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 75.060797][ T5232] REISERFS (device loop0): using ordered data mode [ 75.067335][ T5232] reiserfs: using flush barriers [pid 5232] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5232] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5232] chdir("./file0") = 0 [pid 5232] ioctl(4, LOOP_CLR_FD) = 0 [pid 5232] close(4) = 0 [pid 5232] creat("./bus", 000) = 4 [ 75.073545][ T5232] 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 [ 75.090052][ T5232] REISERFS (device loop0): checking transaction log (loop0) [ 75.098423][ T5232] REISERFS (device loop0): Using r5 hash to sort names [ 75.105448][ T5232] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 75.118979][ T5232] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5232] ftruncate(4, 2043) = 0 [pid 5232] exit_group(0) = ? [pid 5232] +++ exited with 0 +++ --- 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=7 /* 0.07 s */} --- umount2("./79", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./79/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./79/binderfs") = 0 umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./79/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./79/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./79/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./79/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./79") = 0 mkdir("./80", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5234 ./strace-static-x86_64: Process 5234 attached [pid 5234] chdir("./80") = 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] memfd_create("syzkaller", 0) = 3 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5234] 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 5234] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5234] close(3) = 0 [pid 5234] mkdir("./file0", 0777) = 0 [ 75.268864][ T5234] loop0: detected capacity change from 0 to 8192 [ 75.279394][ T5234] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 75.292573][ T5234] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 75.302288][ T5234] REISERFS (device loop0): using ordered data mode [ 75.309057][ T5234] reiserfs: using flush barriers [pid 5234] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5234] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5234] chdir("./file0") = 0 [pid 5234] ioctl(4, LOOP_CLR_FD) = 0 [pid 5234] close(4) = 0 [pid 5234] creat("./bus", 000) = 4 [pid 5234] ftruncate(4, 2043) = 0 [pid 5234] exit_group(0) = ? [pid 5234] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 75.314771][ T5234] 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 [ 75.331421][ T5234] REISERFS (device loop0): checking transaction log (loop0) [ 75.339707][ T5234] REISERFS (device loop0): Using r5 hash to sort names [ 75.346812][ T5234] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 75.359955][ T5234] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./80", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./80/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./80/binderfs") = 0 umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./80/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./80/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./80/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./80/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./80") = 0 mkdir("./81", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5236 ./strace-static-x86_64: Process 5236 attached [pid 5236] chdir("./81") = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 [pid 5236] close(3) = 0 [pid 5236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5236] memfd_create("syzkaller", 0) = 3 [pid 5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5236] 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 5236] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5236] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5236] close(3) = 0 [pid 5236] mkdir("./file0", 0777) = 0 [ 75.515934][ T5236] loop0: detected capacity change from 0 to 8192 [ 75.526853][ T5236] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 75.540002][ T5236] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 75.549239][ T5236] REISERFS (device loop0): using ordered data mode [ 75.555767][ T5236] reiserfs: using flush barriers [pid 5236] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5236] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5236] chdir("./file0") = 0 [pid 5236] ioctl(4, LOOP_CLR_FD) = 0 [pid 5236] close(4) = 0 [pid 5236] creat("./bus", 000) = 4 [pid 5236] ftruncate(4, 2043) = 0 [pid 5236] exit_group(0) = ? [pid 5236] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./81", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./81/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 75.561847][ T5236] 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 [ 75.578273][ T5236] REISERFS (device loop0): checking transaction log (loop0) [ 75.586468][ T5236] REISERFS (device loop0): Using r5 hash to sort names [ 75.593598][ T5236] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 75.606385][ T5236] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. unlink("./81/binderfs") = 0 umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./81/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./81/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./81/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./81/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./81") = 0 mkdir("./82", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5238 attached , child_tidptr=0x5555566345d0) = 5238 [pid 5238] chdir("./82") = 0 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5238] setpgid(0, 0) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5238] write(3, "1000", 4) = 4 [pid 5238] close(3) = 0 [pid 5238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5238] memfd_create("syzkaller", 0) = 3 [pid 5238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5238] 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 5238] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5238] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5238] close(3) = 0 [pid 5238] mkdir("./file0", 0777) = 0 [ 75.749594][ T5238] loop0: detected capacity change from 0 to 8192 [ 75.759412][ T5238] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 75.772487][ T5238] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 75.781815][ T5238] REISERFS (device loop0): using ordered data mode [ 75.788356][ T5238] reiserfs: using flush barriers [pid 5238] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5238] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5238] chdir("./file0") = 0 [pid 5238] ioctl(4, LOOP_CLR_FD) = 0 [pid 5238] close(4) = 0 [pid 5238] creat("./bus", 000) = 4 [pid 5238] ftruncate(4, 2043) = 0 [pid 5238] exit_group(0) = ? [pid 5238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./82", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./82/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./82/binderfs") = 0 [ 75.794318][ T5238] 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 [ 75.810795][ T5238] REISERFS (device loop0): checking transaction log (loop0) [ 75.819146][ T5238] REISERFS (device loop0): Using r5 hash to sort names [ 75.826253][ T5238] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 75.839021][ T5238] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./82/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./82/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./82/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./82/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./82") = 0 mkdir("./83", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5240 ./strace-static-x86_64: Process 5240 attached [pid 5240] chdir("./83") = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5240] setpgid(0, 0) = 0 [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5240] write(3, "1000", 4) = 4 [pid 5240] close(3) = 0 [pid 5240] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5240] memfd_create("syzkaller", 0) = 3 [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5240] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5240] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5240] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5240] close(3) = 0 [pid 5240] mkdir("./file0", 0777) = 0 [ 75.981102][ T5240] loop0: detected capacity change from 0 to 8192 [ 75.990526][ T5240] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.003605][ T5240] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 76.012950][ T5240] REISERFS (device loop0): using ordered data mode [ 76.019783][ T5240] reiserfs: using flush barriers [pid 5240] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5240] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5240] chdir("./file0") = 0 [pid 5240] ioctl(4, LOOP_CLR_FD) = 0 [pid 5240] close(4) = 0 [pid 5240] creat("./bus", 000) = 4 [pid 5240] ftruncate(4, 2043) = 0 [pid 5240] exit_group(0) = ? [pid 5240] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./83", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./83/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./83/binderfs") = 0 [ 76.025770][ T5240] 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 [ 76.042588][ T5240] REISERFS (device loop0): checking transaction log (loop0) [ 76.051528][ T5240] REISERFS (device loop0): Using r5 hash to sort names [ 76.058931][ T5240] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 76.071677][ T5240] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./83/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./83/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./83/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./83/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./83") = 0 mkdir("./84", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5242 ./strace-static-x86_64: Process 5242 attached [pid 5242] chdir("./84") = 0 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5242] setpgid(0, 0) = 0 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5242] write(3, "1000", 4) = 4 [pid 5242] close(3) = 0 [pid 5242] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5242] memfd_create("syzkaller", 0) = 3 [pid 5242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5242] 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 5242] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5242] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5242] close(3) = 0 [pid 5242] mkdir("./file0", 0777) = 0 [ 76.214523][ T5242] loop0: detected capacity change from 0 to 8192 [ 76.225447][ T5242] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.238557][ T5242] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 76.247767][ T5242] REISERFS (device loop0): using ordered data mode [ 76.254356][ T5242] reiserfs: using flush barriers [pid 5242] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5242] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5242] chdir("./file0") = 0 [ 76.260142][ T5242] 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 [ 76.276593][ T5242] REISERFS (device loop0): checking transaction log (loop0) [ 76.284853][ T5242] REISERFS (device loop0): Using r5 hash to sort names [ 76.291982][ T5242] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 76.304780][ T5242] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5242] ioctl(4, LOOP_CLR_FD) = 0 [pid 5242] close(4) = 0 [pid 5242] creat("./bus", 000) = 4 [pid 5242] ftruncate(4, 2043) = 0 [pid 5242] exit_group(0) = ? [pid 5242] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./84", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./84/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./84/binderfs") = 0 [ 76.319564][ T7] cfg80211: failed to load regulatory.db umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./84/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./84/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./84/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./84/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./84") = 0 mkdir("./85", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5244 ./strace-static-x86_64: Process 5244 attached [pid 5244] chdir("./85") = 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] memfd_create("syzkaller", 0) = 3 [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5244] 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 5244] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5244] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5244] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5244] close(3) = 0 [pid 5244] mkdir("./file0", 0777) = 0 [ 76.452475][ T5244] loop0: detected capacity change from 0 to 8192 [ 76.463626][ T5244] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.476958][ T5244] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 76.486455][ T5244] REISERFS (device loop0): using ordered data mode [ 76.493204][ T5244] reiserfs: using flush barriers [pid 5244] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 76.499095][ T5244] 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 [ 76.515701][ T5244] REISERFS (device loop0): checking transaction log (loop0) [ 76.524043][ T5244] REISERFS (device loop0): Using r5 hash to sort names [ 76.531637][ T5244] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5244] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5244] chdir("./file0") = 0 [pid 5244] ioctl(4, LOOP_CLR_FD) = 0 [pid 5244] close(4) = 0 [pid 5244] creat("./bus", 000) = 4 [pid 5244] ftruncate(4, 2043) = 0 [pid 5244] exit_group(0) = ? [pid 5244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./85", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./85/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./85/binderfs") = 0 [ 76.544376][ T5244] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./85/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./85/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./85/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./85/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./85") = 0 mkdir("./86", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5246 ./strace-static-x86_64: Process 5246 attached [pid 5246] chdir("./86") = 0 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5246] setpgid(0, 0) = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5246] write(3, "1000", 4) = 4 [pid 5246] close(3) = 0 [pid 5246] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5246] memfd_create("syzkaller", 0) = 3 [pid 5246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5246] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5246] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5246] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5246] close(3) = 0 [pid 5246] mkdir("./file0", 0777) = 0 [ 76.672198][ T5246] loop0: detected capacity change from 0 to 8192 [ 76.683497][ T5246] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.696848][ T5246] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 76.706349][ T5246] REISERFS (device loop0): using ordered data mode [ 76.713102][ T5246] reiserfs: using flush barriers [ 76.719177][ 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 [ 76.735798][ T5246] REISERFS (device loop0): checking transaction log (loop0) [ 76.744130][ T5246] REISERFS (device loop0): Using r5 hash to sort names [ 76.751790][ T5246] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5246] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5246] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5246] chdir("./file0") = 0 [pid 5246] ioctl(4, LOOP_CLR_FD) = 0 [pid 5246] close(4) = 0 [pid 5246] creat("./bus", 000) = 4 [pid 5246] ftruncate(4, 2043) = 0 [pid 5246] exit_group(0) = ? [pid 5246] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- umount2("./86", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./86/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 76.764605][ T5246] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./86/binderfs") = 0 umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./86/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./86/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./86/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./86/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./86") = 0 mkdir("./87", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5248 ./strace-static-x86_64: Process 5248 attached [pid 5248] chdir("./87") = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5248] setpgid(0, 0) = 0 [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 5248] memfd_create("syzkaller", 0) = 3 [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5248] 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 5248] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5248] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5248] close(3) = 0 [pid 5248] mkdir("./file0", 0777) = 0 [ 76.921641][ T5248] loop0: detected capacity change from 0 to 8192 [ 76.932232][ T5248] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 76.945342][ T5248] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 76.954559][ T5248] REISERFS (device loop0): using ordered data mode [ 76.961137][ T5248] reiserfs: using flush barriers [pid 5248] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5248] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5248] chdir("./file0") = 0 [pid 5248] ioctl(4, LOOP_CLR_FD) = 0 [pid 5248] close(4) = 0 [pid 5248] creat("./bus", 000) = 4 [pid 5248] ftruncate(4, 2043) = 0 [pid 5248] exit_group(0) = ? [pid 5248] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./87", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./87/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./87/binderfs") = 0 [ 76.966845][ T5248] 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 [ 76.983725][ T5248] REISERFS (device loop0): checking transaction log (loop0) [ 76.991889][ T5248] REISERFS (device loop0): Using r5 hash to sort names [ 76.999059][ T5248] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 77.011826][ T5248] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./87/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./87/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./87/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./87/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./87") = 0 mkdir("./88", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5250 ./strace-static-x86_64: Process 5250 attached [pid 5250] chdir("./88") = 0 [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5250] setpgid(0, 0) = 0 [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5250] write(3, "1000", 4) = 4 [pid 5250] close(3) = 0 [pid 5250] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5250] memfd_create("syzkaller", 0) = 3 [pid 5250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5250] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5250] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5250] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5250] close(3) = 0 [pid 5250] mkdir("./file0", 0777) = 0 [ 77.155578][ T5250] loop0: detected capacity change from 0 to 8192 [ 77.165112][ T5250] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 77.178184][ T5250] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 77.187361][ T5250] REISERFS (device loop0): using ordered data mode [ 77.193930][ T5250] reiserfs: using flush barriers [pid 5250] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5250] ftruncate(4, 2043) = 0 [pid 5250] exit_group(0) = ? [pid 5250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./88", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./88/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./88/binderfs") = 0 [ 77.200051][ T5250] 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 [ 77.216515][ T5250] REISERFS (device loop0): checking transaction log (loop0) [ 77.224833][ T5250] REISERFS (device loop0): Using r5 hash to sort names [ 77.231980][ T5250] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 77.244728][ T5250] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./88/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./88/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./88/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./88/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./88") = 0 mkdir("./89", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5252 ./strace-static-x86_64: Process 5252 attached [pid 5252] chdir("./89") = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5252] setpgid(0, 0) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5252] write(3, "1000", 4) = 4 [pid 5252] close(3) = 0 [pid 5252] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5252] memfd_create("syzkaller", 0) = 3 [pid 5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5252] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5252] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5252] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5252] close(3) = 0 [pid 5252] mkdir("./file0", 0777) = 0 [ 77.380363][ T5252] loop0: detected capacity change from 0 to 8192 [ 77.391020][ T5252] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 77.404105][ T5252] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 77.413353][ T5252] REISERFS (device loop0): using ordered data mode [ 77.419930][ T5252] reiserfs: using flush barriers [pid 5252] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5252] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5252] chdir("./file0") = 0 [pid 5252] ioctl(4, LOOP_CLR_FD) = 0 [pid 5252] close(4) = 0 [pid 5252] creat("./bus", 000) = 4 [pid 5252] ftruncate(4, 2043) = 0 [pid 5252] exit_group(0) = ? [pid 5252] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 77.425789][ T5252] 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 [ 77.442499][ T5252] REISERFS (device loop0): checking transaction log (loop0) [ 77.450463][ T5252] REISERFS (device loop0): Using r5 hash to sort names [ 77.457465][ T5252] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 77.470221][ T5252] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./89", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./89/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./89/binderfs") = 0 umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./89/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./89/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./89/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./89/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./89") = 0 mkdir("./90", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5254 ./strace-static-x86_64: Process 5254 attached [pid 5254] chdir("./90") = 0 [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) = 3 [pid 5254] write(3, "1000", 4) = 4 [pid 5254] close(3) = 0 [pid 5254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5254] memfd_create("syzkaller", 0) = 3 [pid 5254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5254] 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 5254] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5254] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5254] close(3) = 0 [pid 5254] mkdir("./file0", 0777) = 0 [ 77.617099][ T5254] loop0: detected capacity change from 0 to 8192 [ 77.627519][ T5254] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 77.640578][ T5254] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 77.650227][ T5254] REISERFS (device loop0): using ordered data mode [ 77.656751][ T5254] reiserfs: using flush barriers [pid 5254] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5254] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5254] chdir("./file0") = 0 [pid 5254] ioctl(4, LOOP_CLR_FD) = 0 [pid 5254] close(4) = 0 [pid 5254] creat("./bus", 000) = 4 [pid 5254] ftruncate(4, 2043) = 0 [pid 5254] exit_group(0) = ? [pid 5254] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- umount2("./90", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./90/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./90/binderfs") = 0 umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./90/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./90/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./90/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 [ 77.662885][ T5254] 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 [ 77.679279][ T5254] REISERFS (device loop0): checking transaction log (loop0) [ 77.687552][ T5254] REISERFS (device loop0): Using r5 hash to sort names [ 77.694890][ T5254] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 77.708056][ T5254] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./90/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./90") = 0 mkdir("./91", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5256 ./strace-static-x86_64: Process 5256 attached [pid 5256] chdir("./91") = 0 [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5256] setpgid(0, 0) = 0 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5256] write(3, "1000", 4) = 4 [pid 5256] close(3) = 0 [pid 5256] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5256] memfd_create("syzkaller", 0) = 3 [pid 5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5256] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5256] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5256] close(3) = 0 [pid 5256] mkdir("./file0", 0777) = 0 [ 77.834233][ T5256] loop0: detected capacity change from 0 to 8192 [ 77.844370][ T5256] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 77.857796][ T5256] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 77.867330][ T5256] REISERFS (device loop0): using ordered data mode [ 77.874053][ T5256] reiserfs: using flush barriers [pid 5256] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5256] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5256] chdir("./file0") = 0 [pid 5256] ioctl(4, LOOP_CLR_FD) = 0 [pid 5256] close(4) = 0 [pid 5256] creat("./bus", 000) = 4 [pid 5256] ftruncate(4, 2043) = 0 [pid 5256] exit_group(0) = ? [pid 5256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./91", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./91/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./91/binderfs") = 0 umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [ 77.880287][ T5256] 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 [ 77.896906][ T5256] REISERFS (device loop0): checking transaction log (loop0) [ 77.905261][ T5256] REISERFS (device loop0): Using r5 hash to sort names [ 77.912581][ T5256] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 77.925605][ T5256] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./91/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./91/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./91/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./91/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./91") = 0 mkdir("./92", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5258 ./strace-static-x86_64: Process 5258 attached [pid 5258] chdir("./92") = 0 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5258] setpgid(0, 0) = 0 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5258] write(3, "1000", 4) = 4 [pid 5258] close(3) = 0 [pid 5258] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5258] memfd_create("syzkaller", 0) = 3 [pid 5258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5258] 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 5258] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5258] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5258] close(3) = 0 [pid 5258] mkdir("./file0", 0777) = 0 [ 78.057392][ T5258] loop0: detected capacity change from 0 to 8192 [ 78.067016][ T5258] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 78.080818][ T5258] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 78.090594][ T5258] REISERFS (device loop0): using ordered data mode [ 78.097360][ T5258] reiserfs: using flush barriers [pid 5258] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5258] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5258] chdir("./file0") = 0 [pid 5258] ioctl(4, LOOP_CLR_FD) = 0 [ 78.103609][ T5258] 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 [ 78.120245][ T5258] REISERFS (device loop0): checking transaction log (loop0) [ 78.128484][ T5258] REISERFS (device loop0): Using r5 hash to sort names [ 78.135880][ T5258] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 78.148836][ T5258] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5258] close(4) = 0 [pid 5258] creat("./bus", 000) = 4 [pid 5258] ftruncate(4, 2043) = 0 [pid 5258] exit_group(0) = ? [pid 5258] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./92", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./92/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./92/binderfs") = 0 umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./92/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./92/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./92/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./92/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./92") = 0 mkdir("./93", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5260 ./strace-static-x86_64: Process 5260 attached [pid 5260] chdir("./93") = 0 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5260] setpgid(0, 0) = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5260] write(3, "1000", 4) = 4 [pid 5260] close(3) = 0 [pid 5260] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5260] memfd_create("syzkaller", 0) = 3 [pid 5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5260] 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 5260] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5260] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5260] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5260] close(3) = 0 [pid 5260] mkdir("./file0", 0777) = 0 [ 78.287757][ T5260] loop0: detected capacity change from 0 to 8192 [ 78.297562][ T5260] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 78.310704][ T5260] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 78.319979][ T5260] REISERFS (device loop0): using ordered data mode [ 78.326487][ T5260] reiserfs: using flush barriers [pid 5260] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5260] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5260] chdir("./file0") = 0 [pid 5260] ioctl(4, LOOP_CLR_FD) = 0 [pid 5260] close(4) = 0 [pid 5260] creat("./bus", 000) = 4 [pid 5260] ftruncate(4, 2043) = 0 [pid 5260] exit_group(0) = ? [pid 5260] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./93", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./93/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./93/binderfs") = 0 [ 78.332391][ T5260] 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 [ 78.348854][ T5260] REISERFS (device loop0): checking transaction log (loop0) [ 78.356777][ T5260] REISERFS (device loop0): Using r5 hash to sort names [ 78.363951][ T5260] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 78.376733][ T5260] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./93/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./93/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./93/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./93/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./93") = 0 mkdir("./94", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5262 ./strace-static-x86_64: Process 5262 attached [pid 5262] chdir("./94") = 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] memfd_create("syzkaller", 0) = 3 [pid 5262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5262] 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 5262] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5262] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5262] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5262] close(3) = 0 [pid 5262] mkdir("./file0", 0777) = 0 [ 78.500689][ T5262] loop0: detected capacity change from 0 to 8192 [ 78.510256][ T5262] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 78.523276][ T5262] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 78.532520][ T5262] REISERFS (device loop0): using ordered data mode [ 78.539077][ T5262] reiserfs: using flush barriers [pid 5262] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5262] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5262] chdir("./file0") = 0 [pid 5262] ioctl(4, LOOP_CLR_FD) = 0 [pid 5262] close(4) = 0 [pid 5262] creat("./bus", 000) = 4 [pid 5262] ftruncate(4, 2043) = 0 [pid 5262] exit_group(0) = ? [pid 5262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./94", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./94/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./94/binderfs") = 0 [ 78.545009][ T5262] 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 [ 78.561559][ T5262] REISERFS (device loop0): checking transaction log (loop0) [ 78.569731][ T5262] REISERFS (device loop0): Using r5 hash to sort names [ 78.576732][ T5262] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 78.589509][ T5262] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./94/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./94/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./94/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./94/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./94") = 0 mkdir("./95", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5264 ./strace-static-x86_64: Process 5264 attached [pid 5264] chdir("./95") = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5264] setpgid(0, 0) = 0 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5264] write(3, "1000", 4) = 4 [pid 5264] close(3) = 0 [pid 5264] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5264] memfd_create("syzkaller", 0) = 3 [pid 5264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5264] 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 5264] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5264] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5264] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5264] close(3) = 0 [pid 5264] mkdir("./file0", 0777) = 0 [ 78.719787][ T5264] loop0: detected capacity change from 0 to 8192 [ 78.731062][ T5264] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 78.744139][ T5264] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 78.753408][ T5264] REISERFS (device loop0): using ordered data mode [ 78.759944][ T5264] reiserfs: using flush barriers [ 78.768863][ T5264] 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 [ 78.785217][ T5264] REISERFS (device loop0): checking transaction log (loop0) [ 78.793584][ T5264] REISERFS (device loop0): Using r5 hash to sort names [ 78.800650][ T5264] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5264] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5264] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5264] chdir("./file0") = 0 [pid 5264] ioctl(4, LOOP_CLR_FD) = 0 [pid 5264] close(4) = 0 [pid 5264] creat("./bus", 000) = 4 [pid 5264] ftruncate(4, 2043) = 0 [pid 5264] exit_group(0) = ? [pid 5264] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- umount2("./95", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./95/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./95/binderfs") = 0 [ 78.813412][ T5264] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./95/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./95/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./95/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./95/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./95") = 0 mkdir("./96", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5266 attached [pid 5266] chdir("./96") = 0 [pid 5070] <... clone resumed>, child_tidptr=0x5555566345d0) = 5266 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5266] setpgid(0, 0) = 0 [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5266] write(3, "1000", 4) = 4 [pid 5266] close(3) = 0 [pid 5266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5266] memfd_create("syzkaller", 0) = 3 [pid 5266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5266] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5266] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5266] close(3) = 0 [pid 5266] mkdir("./file0", 0777) = 0 [ 78.974272][ T5266] loop0: detected capacity change from 0 to 8192 [ 78.984294][ T5266] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 78.997736][ T5266] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 79.007106][ T5266] REISERFS (device loop0): using ordered data mode [ 79.013707][ T5266] reiserfs: using flush barriers [pid 5266] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5266] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5266] chdir("./file0") = 0 [pid 5266] ioctl(4, LOOP_CLR_FD) = 0 [pid 5266] close(4) = 0 [pid 5266] creat("./bus", 000) = 4 [pid 5266] ftruncate(4, 2043) = 0 [pid 5266] exit_group(0) = ? [pid 5266] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./96", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./96/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./96/binderfs") = 0 [ 79.019621][ T5266] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.036000][ T5266] REISERFS (device loop0): checking transaction log (loop0) [ 79.044476][ T5266] REISERFS (device loop0): Using r5 hash to sort names [ 79.051866][ T5266] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 79.065046][ T5266] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./96/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./96/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./96/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./96/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./96") = 0 mkdir("./97", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5268 ./strace-static-x86_64: Process 5268 attached [pid 5268] chdir("./97") = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5268] setpgid(0, 0) = 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5268] write(3, "1000", 4) = 4 [pid 5268] close(3) = 0 [pid 5268] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5268] memfd_create("syzkaller", 0) = 3 [pid 5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5268] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5268] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5268] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5268] close(3) = 0 [pid 5268] mkdir("./file0", 0777) = 0 [ 79.201053][ T5268] loop0: detected capacity change from 0 to 8192 [ 79.211014][ T5268] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.224099][ T5268] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 79.233575][ T5268] REISERFS (device loop0): using ordered data mode [ 79.240156][ T5268] reiserfs: using flush barriers [pid 5268] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5268] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5268] chdir("./file0") = 0 [pid 5268] ioctl(4, LOOP_CLR_FD) = 0 [pid 5268] close(4) = 0 [pid 5268] creat("./bus", 000) = 4 [pid 5268] ftruncate(4, 2043) = 0 [pid 5268] exit_group(0) = ? [pid 5268] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./97", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./97/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./97/binderfs") = 0 [ 79.246344][ T5268] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.262784][ T5268] REISERFS (device loop0): checking transaction log (loop0) [ 79.270777][ T5268] REISERFS (device loop0): Using r5 hash to sort names [ 79.277805][ T5268] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 79.290759][ T5268] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./97/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./97/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./97/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./97/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./97") = 0 mkdir("./98", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5270 ./strace-static-x86_64: Process 5270 attached [pid 5270] chdir("./98") = 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] memfd_create("syzkaller", 0) = 3 [pid 5270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5270] 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 5270] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5270] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5270] close(3) = 0 [pid 5270] mkdir("./file0", 0777) = 0 [ 79.421657][ T5270] loop0: detected capacity change from 0 to 8192 [ 79.431336][ T5270] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.444435][ T5270] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 79.453718][ T5270] REISERFS (device loop0): using ordered data mode [ 79.460259][ T5270] reiserfs: using flush barriers [pid 5270] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5270] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5270] chdir("./file0") = 0 [pid 5270] ioctl(4, LOOP_CLR_FD) = 0 [pid 5270] close(4) = 0 [pid 5270] creat("./bus", 000) = 4 [pid 5270] ftruncate(4, 2043) = 0 [pid 5270] exit_group(0) = ? [pid 5270] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./98", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./98/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./98/binderfs") = 0 [ 79.466192][ T5270] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.482700][ T5270] REISERFS (device loop0): checking transaction log (loop0) [ 79.490787][ T5270] REISERFS (device loop0): Using r5 hash to sort names [ 79.497790][ T5270] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 79.510547][ T5270] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./98/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./98/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./98/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./98/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./98") = 0 mkdir("./99", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5272 ./strace-static-x86_64: Process 5272 attached [pid 5272] chdir("./99") = 0 [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5272] setpgid(0, 0) = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5272] write(3, "1000", 4) = 4 [pid 5272] close(3) = 0 [pid 5272] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5272] memfd_create("syzkaller", 0) = 3 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5272] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5272] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5272] close(3) = 0 [pid 5272] mkdir("./file0", 0777) = 0 [ 79.637669][ T5272] loop0: detected capacity change from 0 to 8192 [ 79.648559][ T5272] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.661646][ T5272] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 79.670917][ T5272] REISERFS (device loop0): using ordered data mode [ 79.677433][ T5272] reiserfs: using flush barriers [pid 5272] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5272] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5272] chdir("./file0") = 0 [pid 5272] ioctl(4, LOOP_CLR_FD) = 0 [pid 5272] close(4) = 0 [pid 5272] creat("./bus", 000) = 4 [pid 5272] ftruncate(4, 2043) = 0 [pid 5272] exit_group(0) = ? [pid 5272] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- umount2("./99", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./99/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./99/binderfs") = 0 [ 79.683520][ T5272] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.699907][ T5272] REISERFS (device loop0): checking transaction log (loop0) [ 79.708272][ T5272] REISERFS (device loop0): Using r5 hash to sort names [ 79.715367][ T5272] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 79.728151][ T5272] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./99/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./99/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./99/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./99/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./99") = 0 mkdir("./100", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5274 ./strace-static-x86_64: Process 5274 attached [pid 5274] chdir("./100") = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5274] setpgid(0, 0) = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5274] write(3, "1000", 4) = 4 [pid 5274] close(3) = 0 [pid 5274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5274] memfd_create("syzkaller", 0) = 3 [pid 5274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5274] 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 5274] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5274] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5274] close(3) = 0 [pid 5274] mkdir("./file0", 0777) = 0 [ 79.863142][ T5274] loop0: detected capacity change from 0 to 8192 [ 79.874507][ T5274] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 79.887565][ T5274] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 79.896863][ T5274] REISERFS (device loop0): using ordered data mode [ 79.903420][ T5274] reiserfs: using flush barriers [pid 5274] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5274] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5274] chdir("./file0") = 0 [pid 5274] ioctl(4, LOOP_CLR_FD) = 0 [pid 5274] close(4) = 0 [pid 5274] creat("./bus", 000) = 4 [pid 5274] ftruncate(4, 2043) = 0 [pid 5274] exit_group(0) = ? [pid 5274] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./100", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./100/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./100/binderfs") = 0 [ 79.909245][ T5274] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 79.925709][ T5274] REISERFS (device loop0): checking transaction log (loop0) [ 79.933850][ T5274] REISERFS (device loop0): Using r5 hash to sort names [ 79.940969][ T5274] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 79.953772][ T5274] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./100/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./100/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./100/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./100/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./100") = 0 mkdir("./101", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5276 ./strace-static-x86_64: Process 5276 attached [pid 5276] chdir("./101") = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5276] setpgid(0, 0) = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5276] write(3, "1000", 4) = 4 [pid 5276] close(3) = 0 [pid 5276] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5276] memfd_create("syzkaller", 0) = 3 [pid 5276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5276] 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 5276] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5276] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5276] close(3) = 0 [pid 5276] mkdir("./file0", 0777) = 0 [ 80.082372][ T5276] loop0: detected capacity change from 0 to 8192 [ 80.093015][ T5276] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.106272][ T5276] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 80.115567][ T5276] REISERFS (device loop0): using ordered data mode [ 80.122107][ T5276] reiserfs: using flush barriers [pid 5276] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5276] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5276] chdir("./file0") = 0 [pid 5276] ioctl(4, LOOP_CLR_FD) = 0 [ 80.128238][ T5276] 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 [ 80.144618][ T5276] REISERFS (device loop0): checking transaction log (loop0) [ 80.153287][ T5276] REISERFS (device loop0): Using r5 hash to sort names [ 80.160628][ T5276] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 80.173866][ T5276] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5276] close(4) = 0 [pid 5276] creat("./bus", 000) = 4 [pid 5276] ftruncate(4, 2043) = 0 [pid 5276] exit_group(0) = ? [pid 5276] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./101", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./101/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./101/binderfs") = 0 umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./101/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./101/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./101/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./101/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./101") = 0 mkdir("./102", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5278 attached , child_tidptr=0x5555566345d0) = 5278 [pid 5278] chdir("./102") = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5278] setpgid(0, 0) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5278] write(3, "1000", 4) = 4 [pid 5278] close(3) = 0 [pid 5278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5278] memfd_create("syzkaller", 0) = 3 [pid 5278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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(0x7f2a552ad000, 4194304) = 0 [pid 5278] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5278] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5278] close(3) = 0 [pid 5278] mkdir("./file0", 0777) = 0 [ 80.312924][ T5278] loop0: detected capacity change from 0 to 8192 [ 80.323331][ T5278] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.336763][ T5278] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 80.346164][ T5278] REISERFS (device loop0): using ordered data mode [ 80.352892][ T5278] reiserfs: using flush barriers [pid 5278] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5278] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5278] chdir("./file0") = 0 [pid 5278] ioctl(4, LOOP_CLR_FD) = 0 [pid 5278] close(4) = 0 [pid 5278] creat("./bus", 000) = 4 [pid 5278] ftruncate(4, 2043) = 0 [pid 5278] exit_group(0) = ? [pid 5278] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./102", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./102/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./102/binderfs") = 0 [ 80.358884][ T5278] 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 [ 80.375311][ T5278] REISERFS (device loop0): checking transaction log (loop0) [ 80.383787][ T5278] REISERFS (device loop0): Using r5 hash to sort names [ 80.391168][ T5278] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 80.404144][ T5278] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./102/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./102/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./102/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./102/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./102") = 0 mkdir("./103", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5280 ./strace-static-x86_64: Process 5280 attached [pid 5280] chdir("./103") = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5280] setpgid(0, 0) = 0 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5280] write(3, "1000", 4) = 4 [pid 5280] close(3) = 0 [pid 5280] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5280] memfd_create("syzkaller", 0) = 3 [pid 5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5280] 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 5280] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5280] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5280] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5280] close(3) = 0 [pid 5280] mkdir("./file0", 0777) = 0 [ 80.538307][ T5280] loop0: detected capacity change from 0 to 8192 [ 80.547554][ T5280] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.560949][ T5280] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 80.570324][ T5280] REISERFS (device loop0): using ordered data mode [ 80.576821][ T5280] reiserfs: using flush barriers [pid 5280] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5280] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5280] chdir("./file0") = 0 [pid 5280] ioctl(4, LOOP_CLR_FD) = 0 [pid 5280] close(4) = 0 [pid 5280] creat("./bus", 000) = 4 [pid 5280] ftruncate(4, 2043) = 0 [pid 5280] exit_group(0) = ? [pid 5280] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./103", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./103/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./103/binderfs") = 0 [ 80.583011][ T5280] 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 [ 80.599661][ T5280] REISERFS (device loop0): checking transaction log (loop0) [ 80.607803][ T5280] REISERFS (device loop0): Using r5 hash to sort names [ 80.615155][ T5280] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 80.628121][ T5280] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./103/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./103/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./103/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./103/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./103") = 0 mkdir("./104", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5282 attached [pid 5282] chdir("./104") = 0 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5282] setpgid(0, 0) = 0 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5282] write(3, "1000", 4) = 4 [pid 5282] close(3) = 0 [pid 5282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5282] memfd_create("syzkaller", 0) = 3 [pid 5282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5070] <... clone resumed>, child_tidptr=0x5555566345d0) = 5282 [pid 5282] 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 5282] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5282] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5282] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5282] close(3) = 0 [pid 5282] mkdir("./file0", 0777) = 0 [ 80.752790][ T5282] loop0: detected capacity change from 0 to 8192 [ 80.763761][ T5282] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 80.776831][ T5282] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 80.786119][ T5282] REISERFS (device loop0): using ordered data mode [ 80.792661][ T5282] reiserfs: using flush barriers [pid 5282] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5282] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5282] chdir("./file0") = 0 [pid 5282] ioctl(4, LOOP_CLR_FD) = 0 [pid 5282] close(4) = 0 [pid 5282] creat("./bus", 000) = 4 [pid 5282] ftruncate(4, 2043) = 0 [pid 5282] exit_group(0) = ? [pid 5282] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./104", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./104/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 80.798751][ T5282] 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 [ 80.815116][ T5282] REISERFS (device loop0): checking transaction log (loop0) [ 80.823522][ T5282] REISERFS (device loop0): Using r5 hash to sort names [ 80.830832][ T5282] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 80.844095][ T5282] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./104/binderfs") = 0 umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./104/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./104/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./104/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./104/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./104") = 0 mkdir("./105", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5284 ./strace-static-x86_64: Process 5284 attached [pid 5284] chdir("./105") = 0 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5284] setpgid(0, 0) = 0 [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5284] write(3, "1000", 4) = 4 [pid 5284] close(3) = 0 [pid 5284] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5284] memfd_create("syzkaller", 0) = 3 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5284] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5284] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5284] close(3) = 0 [pid 5284] mkdir("./file0", 0777) = 0 [ 80.986277][ T5284] loop0: detected capacity change from 0 to 8192 [ 80.997365][ T5284] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.010502][ T5284] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 81.019711][ T5284] REISERFS (device loop0): using ordered data mode [ 81.026215][ T5284] reiserfs: using flush barriers [pid 5284] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 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] creat("./bus", 000) = 4 [pid 5284] ftruncate(4, 2043) = 0 [pid 5284] exit_group(0) = ? [pid 5284] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./105", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./105/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./105/binderfs") = 0 [ 81.032374][ T5284] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.048784][ T5284] REISERFS (device loop0): checking transaction log (loop0) [ 81.056993][ T5284] REISERFS (device loop0): Using r5 hash to sort names [ 81.064145][ T5284] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 81.076899][ T5284] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./105/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./105/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./105/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./105/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./105") = 0 mkdir("./106", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5286 attached , child_tidptr=0x5555566345d0) = 5286 [pid 5286] chdir("./106") = 0 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5286] setpgid(0, 0) = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5286] write(3, "1000", 4) = 4 [pid 5286] close(3) = 0 [pid 5286] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5286] memfd_create("syzkaller", 0) = 3 [pid 5286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5286] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5286] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5286] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5286] close(3) = 0 [pid 5286] mkdir("./file0", 0777) = 0 [ 81.208538][ T5286] loop0: detected capacity change from 0 to 8192 [ 81.219694][ T5286] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.233174][ T5286] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 81.242939][ T5286] REISERFS (device loop0): using ordered data mode [ 81.249799][ T5286] reiserfs: using flush barriers [pid 5286] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 81.255501][ T5286] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.272144][ T5286] REISERFS (device loop0): checking transaction log (loop0) [ 81.280288][ T5286] REISERFS (device loop0): Using r5 hash to sort names [ 81.287366][ T5286] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 81.300149][ T5286] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [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] creat("./bus", 000) = 4 [pid 5286] ftruncate(4, 2043) = 0 [pid 5286] exit_group(0) = ? [pid 5286] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./106", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./106/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./106/binderfs") = 0 umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./106/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./106/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./106/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./106/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./106") = 0 mkdir("./107", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5288 ./strace-static-x86_64: Process 5288 attached [pid 5288] chdir("./107") = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5288] setpgid(0, 0) = 0 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] write(3, "1000", 4) = 4 [pid 5288] close(3) = 0 [pid 5288] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5288] memfd_create("syzkaller", 0) = 3 [pid 5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5288] 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 5288] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5288] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5288] close(3) = 0 [pid 5288] mkdir("./file0", 0777) = 0 [ 81.442201][ T5288] loop0: detected capacity change from 0 to 8192 [ 81.452097][ T5288] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.465432][ T5288] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 81.475010][ T5288] REISERFS (device loop0): using ordered data mode [ 81.481675][ T5288] reiserfs: using flush barriers [pid 5288] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5288] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5288] chdir("./file0") = 0 [pid 5288] ioctl(4, LOOP_CLR_FD) = 0 [pid 5288] close(4) = 0 [pid 5288] creat("./bus", 000) = 4 [pid 5288] ftruncate(4, 2043) = 0 [pid 5288] exit_group(0) = ? [pid 5288] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./107", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./107/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./107/binderfs") = 0 [ 81.487589][ T5288] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.504300][ T5288] REISERFS (device loop0): checking transaction log (loop0) [ 81.512522][ T5288] REISERFS (device loop0): Using r5 hash to sort names [ 81.519591][ T5288] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 81.532309][ T5288] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./107/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./107/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./107/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./107/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./107") = 0 mkdir("./108", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5290 ./strace-static-x86_64: Process 5290 attached [pid 5290] chdir("./108") = 0 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5290] setpgid(0, 0) = 0 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5290] write(3, "1000", 4) = 4 [pid 5290] close(3) = 0 [pid 5290] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5290] memfd_create("syzkaller", 0) = 3 [pid 5290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5290] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5290] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5290] close(3) = 0 [pid 5290] mkdir("./file0", 0777) = 0 [ 81.655645][ T5290] loop0: detected capacity change from 0 to 8192 [ 81.665290][ T5290] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.678492][ T5290] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 81.687705][ T5290] REISERFS (device loop0): using ordered data mode [ 81.694267][ T5290] reiserfs: using flush barriers [pid 5290] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5290] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5290] chdir("./file0") = 0 [pid 5290] ioctl(4, LOOP_CLR_FD) = 0 [pid 5290] close(4) = 0 [pid 5290] creat("./bus", 000) = 4 [pid 5290] ftruncate(4, 2043) = 0 [pid 5290] exit_group(0) = ? [pid 5290] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./108", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./108/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 81.700151][ T5290] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.716813][ T5290] REISERFS (device loop0): checking transaction log (loop0) [ 81.724884][ T5290] REISERFS (device loop0): Using r5 hash to sort names [ 81.731941][ T5290] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 81.744686][ T5290] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. unlink("./108/binderfs") = 0 umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./108/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./108/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./108/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./108/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./108") = 0 mkdir("./109", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5292 ./strace-static-x86_64: Process 5292 attached [pid 5292] chdir("./109") = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5292] write(3, "1000", 4) = 4 [pid 5292] close(3) = 0 [pid 5292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5292] memfd_create("syzkaller", 0) = 3 [pid 5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5292] 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 5292] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5292] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5292] close(3) = 0 [pid 5292] mkdir("./file0", 0777) = 0 [ 81.887589][ T5292] loop0: detected capacity change from 0 to 8192 [ 81.898756][ T5292] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 81.912062][ T5292] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 81.921856][ T5292] REISERFS (device loop0): using ordered data mode [ 81.928796][ T5292] reiserfs: using flush barriers [ 81.934804][ T5292] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 81.951728][ T5292] REISERFS (device loop0): checking transaction log (loop0) [ 81.960112][ T5292] REISERFS (device loop0): Using r5 hash to sort names [ 81.967203][ T5292] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5292] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5292] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5292] chdir("./file0") = 0 [pid 5292] ioctl(4, LOOP_CLR_FD) = 0 [pid 5292] close(4) = 0 [pid 5292] creat("./bus", 000) = 4 [pid 5292] ftruncate(4, 2043) = 0 [pid 5292] exit_group(0) = ? [pid 5292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./109", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./109/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 81.980435][ T5292] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./109/binderfs") = 0 umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./109/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./109/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./109/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./109/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./109") = 0 mkdir("./110", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5294 ./strace-static-x86_64: Process 5294 attached [pid 5294] chdir("./110") = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5294] setpgid(0, 0) = 0 [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5294] write(3, "1000", 4) = 4 [pid 5294] close(3) = 0 [pid 5294] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5294] memfd_create("syzkaller", 0) = 3 [pid 5294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5294] 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 5294] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5294] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5294] close(3) = 0 [pid 5294] mkdir("./file0", 0777) = 0 [ 82.130569][ T5294] loop0: detected capacity change from 0 to 8192 [ 82.141872][ T5294] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 82.154916][ T5294] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 82.164171][ T5294] REISERFS (device loop0): using ordered data mode [ 82.170758][ T5294] reiserfs: using flush barriers [pid 5294] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5294] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5294] chdir("./file0") = 0 [pid 5294] ioctl(4, LOOP_CLR_FD) = 0 [pid 5294] close(4) = 0 [pid 5294] creat("./bus", 000) = 4 [pid 5294] ftruncate(4, 2043) = 0 [pid 5294] exit_group(0) = ? [pid 5294] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- umount2("./110", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./110/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./110/binderfs") = 0 umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [ 82.176717][ T5294] 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 [ 82.193215][ T5294] REISERFS (device loop0): checking transaction log (loop0) [ 82.201634][ T5294] REISERFS (device loop0): Using r5 hash to sort names [ 82.208827][ T5294] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 82.221549][ T5294] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./110/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./110/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./110/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./110/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./110") = 0 mkdir("./111", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5296 attached , child_tidptr=0x5555566345d0) = 5296 [pid 5296] chdir("./111") = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5296] setpgid(0, 0) = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5296] write(3, "1000", 4) = 4 [pid 5296] close(3) = 0 [pid 5296] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5296] memfd_create("syzkaller", 0) = 3 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5296] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5296] close(3) = 0 [pid 5296] mkdir("./file0", 0777) = 0 [ 82.351155][ T5296] loop0: detected capacity change from 0 to 8192 [ 82.361541][ T5296] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 82.375182][ T5296] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 82.384629][ T5296] REISERFS (device loop0): using ordered data mode [ 82.391447][ T5296] reiserfs: using flush barriers [ 82.397380][ T5296] 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 [ 82.414231][ T5296] REISERFS (device loop0): checking transaction log (loop0) [ 82.422666][ T5296] REISERFS (device loop0): Using r5 hash to sort names [ 82.431688][ T5296] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5296] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5296] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5296] chdir("./file0") = 0 [pid 5296] ioctl(4, LOOP_CLR_FD) = 0 [pid 5296] close(4) = 0 [pid 5296] creat("./bus", 000) = 4 [pid 5296] ftruncate(4, 2043) = 0 [pid 5296] exit_group(0) = ? [pid 5296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./111", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./111/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./111/binderfs") = 0 [ 82.444562][ T5296] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./111/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./111/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./111/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./111/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./111") = 0 mkdir("./112", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5298 ./strace-static-x86_64: Process 5298 attached [pid 5298] chdir("./112") = 0 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5298] setpgid(0, 0) = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5298] write(3, "1000", 4) = 4 [pid 5298] close(3) = 0 [pid 5298] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5298] memfd_create("syzkaller", 0) = 3 [pid 5298] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [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) = 4194304 [pid 5298] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5298] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5298] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5298] close(3) = 0 [pid 5298] mkdir("./file0", 0777) = 0 [ 82.567097][ T5298] loop0: detected capacity change from 0 to 8192 [ 82.578278][ T5298] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 82.591288][ T5298] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 82.600848][ T5298] REISERFS (device loop0): using ordered data mode [ 82.607355][ T5298] reiserfs: using flush barriers [pid 5298] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [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] creat("./bus", 000) = 4 [pid 5298] ftruncate(4, 2043) = 0 [pid 5298] exit_group(0) = ? [pid 5298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./112", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./112/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./112/binderfs") = 0 [ 82.613683][ T5298] 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 [ 82.630445][ T5298] REISERFS (device loop0): checking transaction log (loop0) [ 82.638624][ T5298] REISERFS (device loop0): Using r5 hash to sort names [ 82.645615][ T5298] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 82.658458][ T5298] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./112/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./112/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./112/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./112/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./112") = 0 mkdir("./113", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5300 ./strace-static-x86_64: Process 5300 attached [pid 5300] chdir("./113") = 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] memfd_create("syzkaller", 0) = 3 [pid 5300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5300] 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 5300] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5300] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5300] close(3) = 0 [pid 5300] mkdir("./file0", 0777) = 0 [ 82.783263][ T5300] loop0: detected capacity change from 0 to 8192 [ 82.794601][ T5300] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 82.807689][ T5300] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 82.817202][ T5300] REISERFS (device loop0): using ordered data mode [ 82.823781][ T5300] reiserfs: using flush barriers [pid 5300] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5300] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5300] chdir("./file0") = 0 [pid 5300] ioctl(4, LOOP_CLR_FD) = 0 [pid 5300] close(4) = 0 [pid 5300] creat("./bus", 000) = 4 [pid 5300] ftruncate(4, 2043) = 0 [pid 5300] exit_group(0) = ? [pid 5300] +++ exited with 0 +++ [ 82.829555][ T5300] 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 [ 82.846115][ T5300] REISERFS (device loop0): checking transaction log (loop0) [ 82.854411][ T5300] REISERFS (device loop0): Using r5 hash to sort names [ 82.861576][ T5300] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 82.874317][ T5300] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./113", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./113/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./113/binderfs") = 0 umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./113/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./113/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./113/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./113/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./113") = 0 mkdir("./114", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5302 ./strace-static-x86_64: Process 5302 attached [pid 5302] chdir("./114") = 0 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5302] setpgid(0, 0) = 0 [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5302] write(3, "1000", 4) = 4 [pid 5302] close(3) = 0 [pid 5302] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5302] memfd_create("syzkaller", 0) = 3 [pid 5302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5302] 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 5302] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5302] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5302] close(3) = 0 [pid 5302] mkdir("./file0", 0777) = 0 [ 83.015404][ T5302] loop0: detected capacity change from 0 to 8192 [ 83.026396][ T5302] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 83.039504][ T5302] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 83.048777][ T5302] REISERFS (device loop0): using ordered data mode [ 83.055280][ T5302] reiserfs: using flush barriers [pid 5302] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5302] chdir("./file0") = 0 [pid 5302] ioctl(4, LOOP_CLR_FD) = 0 [pid 5302] close(4) = 0 [pid 5302] creat("./bus", 000) = 4 [pid 5302] ftruncate(4, 2043) = 0 [pid 5302] exit_group(0) = ? [pid 5302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./114", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./114/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./114/binderfs") = 0 [ 83.061216][ T5302] 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 [ 83.077612][ T5302] REISERFS (device loop0): checking transaction log (loop0) [ 83.086164][ T5302] REISERFS (device loop0): Using r5 hash to sort names [ 83.093222][ T5302] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 83.105977][ T5302] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./114/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./114/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./114/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./114/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./114") = 0 mkdir("./115", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5304 ./strace-static-x86_64: Process 5304 attached [pid 5304] chdir("./115") = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5304] setpgid(0, 0) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5304] write(3, "1000", 4) = 4 [pid 5304] close(3) = 0 [pid 5304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5304] memfd_create("syzkaller", 0) = 3 [pid 5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5304] 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 5304] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5304] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5304] close(3) = 0 [pid 5304] mkdir("./file0", 0777) = 0 [ 83.250920][ T5304] loop0: detected capacity change from 0 to 8192 [ 83.262921][ T5304] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 83.275979][ T5304] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 83.285618][ T5304] REISERFS (device loop0): using ordered data mode [ 83.292387][ T5304] reiserfs: using flush barriers [ 83.298623][ T5304] 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 [ 83.315059][ T5304] REISERFS (device loop0): checking transaction log (loop0) [ 83.323498][ T5304] REISERFS (device loop0): Using r5 hash to sort names [ 83.330746][ T5304] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5304] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5304] chdir("./file0") = 0 [pid 5304] ioctl(4, LOOP_CLR_FD) = 0 [pid 5304] close(4) = 0 [pid 5304] creat("./bus", 000) = 4 [pid 5304] ftruncate(4, 2043) = 0 [pid 5304] exit_group(0) = ? [pid 5304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./115", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./115/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./115/binderfs") = 0 [ 83.343607][ T5304] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./115/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./115/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./115/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./115/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./115") = 0 mkdir("./116", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5306 ./strace-static-x86_64: Process 5306 attached [pid 5306] chdir("./116") = 0 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5306] setpgid(0, 0) = 0 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5306] write(3, "1000", 4) = 4 [pid 5306] close(3) = 0 [pid 5306] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5306] memfd_create("syzkaller", 0) = 3 [pid 5306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5306] 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 5306] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5306] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5306] close(3) = 0 [pid 5306] mkdir("./file0", 0777) = 0 [ 83.468373][ T5306] loop0: detected capacity change from 0 to 8192 [ 83.488250][ T5306] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 83.501300][ T5306] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 83.510901][ T5306] REISERFS (device loop0): using ordered data mode [ 83.517411][ T5306] reiserfs: using flush barriers [ 83.523718][ T5306] 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 [ 83.540570][ T5306] REISERFS (device loop0): checking transaction log (loop0) [ 83.549002][ T5306] REISERFS (device loop0): Using r5 hash to sort names [ 83.556148][ T5306] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5306] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5306] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5306] chdir("./file0") = 0 [pid 5306] ioctl(4, LOOP_CLR_FD) = 0 [pid 5306] close(4) = 0 [pid 5306] creat("./bus", 000) = 4 [pid 5306] ftruncate(4, 2043) = 0 [pid 5306] exit_group(0) = ? [pid 5306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./116", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./116/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./116/binderfs") = 0 [ 83.568932][ T5306] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./116/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./116/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./116/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./116/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./116") = 0 mkdir("./117", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5308 ./strace-static-x86_64: Process 5308 attached [pid 5308] chdir("./117") = 0 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5308] setpgid(0, 0) = 0 [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5308] write(3, "1000", 4) = 4 [pid 5308] close(3) = 0 [pid 5308] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5308] memfd_create("syzkaller", 0) = 3 [pid 5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5308] 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 5308] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5308] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5308] close(3) = 0 [pid 5308] mkdir("./file0", 0777) = 0 [ 83.700439][ T5308] loop0: detected capacity change from 0 to 8192 [ 83.709988][ T5308] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 83.723241][ T5308] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 83.732792][ T5308] REISERFS (device loop0): using ordered data mode [ 83.739607][ T5308] reiserfs: using flush barriers [pid 5308] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5308] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5308] chdir("./file0") = 0 [pid 5308] ioctl(4, LOOP_CLR_FD) = 0 [pid 5308] close(4) = 0 [pid 5308] creat("./bus", 000) = 4 [pid 5308] ftruncate(4, 2043) = 0 [pid 5308] exit_group(0) = ? [pid 5308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- umount2("./117", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./117/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./117/binderfs") = 0 [ 83.745662][ T5308] 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 [ 83.762504][ T5308] REISERFS (device loop0): checking transaction log (loop0) [ 83.770991][ T5308] REISERFS (device loop0): Using r5 hash to sort names [ 83.778217][ T5308] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 83.790930][ T5308] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./117/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./117/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./117/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./117/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./117") = 0 mkdir("./118", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5310 ./strace-static-x86_64: Process 5310 attached [pid 5310] chdir("./118") = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5310] setpgid(0, 0) = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5310] write(3, "1000", 4) = 4 [pid 5310] close(3) = 0 [pid 5310] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5310] memfd_create("syzkaller", 0) = 3 [pid 5310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5310] 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 5310] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5310] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5310] close(3) = 0 [pid 5310] mkdir("./file0", 0777) = 0 [ 83.919294][ T5310] loop0: detected capacity change from 0 to 8192 [ 83.929750][ T5310] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 83.942830][ T5310] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 83.952080][ T5310] REISERFS (device loop0): using ordered data mode [ 83.958629][ T5310] reiserfs: using flush barriers [pid 5310] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5310] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5310] chdir("./file0") = 0 [pid 5310] ioctl(4, LOOP_CLR_FD) = 0 [pid 5310] close(4) = 0 [pid 5310] creat("./bus", 000) = 4 [pid 5310] ftruncate(4, 2043) = 0 [pid 5310] exit_group(0) = ? [pid 5310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./118", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./118/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./118/binderfs") = 0 [ 83.964571][ T5310] 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 [ 83.981103][ T5310] REISERFS (device loop0): checking transaction log (loop0) [ 83.989259][ T5310] REISERFS (device loop0): Using r5 hash to sort names [ 83.996353][ T5310] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 84.009233][ T5310] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./118/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./118/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./118/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./118/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./118") = 0 mkdir("./119", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5312 ./strace-static-x86_64: Process 5312 attached [pid 5312] chdir("./119") = 0 [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5312] setpgid(0, 0) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5312] write(3, "1000", 4) = 4 [pid 5312] close(3) = 0 [pid 5312] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5312] memfd_create("syzkaller", 0) = 3 [pid 5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5312] 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 5312] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5312] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5312] close(3) = 0 [pid 5312] mkdir("./file0", 0777) = 0 [ 84.153111][ T5312] loop0: detected capacity change from 0 to 8192 [ 84.162572][ T5312] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.175669][ T5312] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 84.184916][ T5312] REISERFS (device loop0): using ordered data mode [ 84.191453][ T5312] reiserfs: using flush barriers [pid 5312] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5312] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5312] chdir("./file0") = 0 [pid 5312] ioctl(4, LOOP_CLR_FD) = 0 [pid 5312] close(4) = 0 [pid 5312] creat("./bus", 000) = 4 [pid 5312] ftruncate(4, 2043) = 0 [pid 5312] exit_group(0) = ? [pid 5312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./119", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./119/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./119/binderfs") = 0 [ 84.197125][ T5312] 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 [ 84.213668][ T5312] REISERFS (device loop0): checking transaction log (loop0) [ 84.221597][ T5312] REISERFS (device loop0): Using r5 hash to sort names [ 84.228680][ T5312] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 84.241564][ T5312] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./119/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./119/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./119/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./119/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./119") = 0 mkdir("./120", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5314 ./strace-static-x86_64: Process 5314 attached [pid 5314] chdir("./120") = 0 [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5314] setpgid(0, 0) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5314] write(3, "1000", 4) = 4 [pid 5314] close(3) = 0 [pid 5314] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5314] memfd_create("syzkaller", 0) = 3 [pid 5314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5314] 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 5314] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5314] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5314] close(3) = 0 [pid 5314] mkdir("./file0", 0777) = 0 [ 84.375227][ T5314] loop0: detected capacity change from 0 to 8192 [ 84.385203][ T5314] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.398606][ T5314] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 84.407867][ T5314] REISERFS (device loop0): using ordered data mode [ 84.414477][ T5314] reiserfs: using flush barriers [pid 5314] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5314] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5314] chdir("./file0") = 0 [pid 5314] ioctl(4, LOOP_CLR_FD) = 0 [pid 5314] close(4) = 0 [pid 5314] creat("./bus", 000) = 4 [pid 5314] ftruncate(4, 2043) = 0 [pid 5314] exit_group(0) = ? [pid 5314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./120", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./120/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./120/binderfs") = 0 [ 84.420506][ T5314] 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 [ 84.437028][ T5314] REISERFS (device loop0): checking transaction log (loop0) [ 84.445393][ T5314] REISERFS (device loop0): Using r5 hash to sort names [ 84.452486][ T5314] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 84.465293][ T5314] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./120/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./120/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./120/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./120/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./120") = 0 mkdir("./121", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5316 ./strace-static-x86_64: Process 5316 attached [pid 5316] chdir("./121") = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5316] setpgid(0, 0) = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5316] write(3, "1000", 4) = 4 [pid 5316] close(3) = 0 [pid 5316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5316] memfd_create("syzkaller", 0) = 3 [pid 5316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5316] 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 5316] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5316] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5316] close(3) = 0 [pid 5316] mkdir("./file0", 0777) = 0 [ 84.602815][ T5316] loop0: detected capacity change from 0 to 8192 [ 84.613904][ T5316] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.626977][ T5316] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 84.636251][ T5316] REISERFS (device loop0): using ordered data mode [ 84.642830][ T5316] reiserfs: using flush barriers [pid 5316] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5316] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5316] chdir("./file0") = 0 [pid 5316] ioctl(4, LOOP_CLR_FD) = 0 [pid 5316] close(4) = 0 [pid 5316] creat("./bus", 000) = 4 [pid 5316] ftruncate(4, 2043) = 0 [pid 5316] exit_group(0) = ? [pid 5316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./121", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./121/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 84.648743][ T5316] 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 [ 84.665200][ T5316] REISERFS (device loop0): checking transaction log (loop0) [ 84.673654][ T5316] REISERFS (device loop0): Using r5 hash to sort names [ 84.680783][ T5316] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 84.693564][ T5316] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./121/binderfs") = 0 umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./121/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./121/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./121/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./121/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./121") = 0 mkdir("./122", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5318 ./strace-static-x86_64: Process 5318 attached [pid 5318] chdir("./122") = 0 [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5318] setpgid(0, 0) = 0 [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5318] write(3, "1000", 4) = 4 [pid 5318] close(3) = 0 [pid 5318] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5318] memfd_create("syzkaller", 0) = 3 [pid 5318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5318] 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 5318] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5318] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5318] close(3) = 0 [pid 5318] mkdir("./file0", 0777) = 0 [ 84.828526][ T5318] loop0: detected capacity change from 0 to 8192 [ 84.838695][ T5318] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 84.851806][ T5318] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 84.861088][ T5318] REISERFS (device loop0): using ordered data mode [ 84.867607][ T5318] reiserfs: using flush barriers [pid 5318] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5318] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5318] chdir("./file0") = 0 [pid 5318] ioctl(4, LOOP_CLR_FD) = 0 [pid 5318] close(4) = 0 [pid 5318] creat("./bus", 000) = 4 [pid 5318] ftruncate(4, 2043) = 0 [pid 5318] exit_group(0) = ? [pid 5318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5318, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./122", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./122/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./122/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./122/binderfs") = 0 [ 84.873728][ T5318] 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 [ 84.890182][ T5318] REISERFS (device loop0): checking transaction log (loop0) [ 84.898578][ T5318] REISERFS (device loop0): Using r5 hash to sort names [ 84.905631][ T5318] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 84.918738][ T5318] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./122/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./122/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./122/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./122/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./122") = 0 mkdir("./123", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5320 ./strace-static-x86_64: Process 5320 attached [pid 5320] chdir("./123") = 0 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5320] setpgid(0, 0) = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5320] write(3, "1000", 4) = 4 [pid 5320] close(3) = 0 [pid 5320] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5320] memfd_create("syzkaller", 0) = 3 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5320] 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 5320] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5320] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5320] close(3) = 0 [pid 5320] mkdir("./file0", 0777) = 0 [ 85.049571][ T5320] loop0: detected capacity change from 0 to 8192 [ 85.061244][ T5320] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 85.074349][ T5320] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 85.083638][ T5320] REISERFS (device loop0): using ordered data mode [ 85.090208][ T5320] reiserfs: using flush barriers [pid 5320] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5320] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5320] chdir("./file0") = 0 [pid 5320] ioctl(4, LOOP_CLR_FD) = 0 [pid 5320] close(4) = 0 [pid 5320] creat("./bus", 000) = 4 [pid 5320] ftruncate(4, 2043) = 0 [pid 5320] exit_group(0) = ? [pid 5320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./123", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./123/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./123/binderfs") = 0 [ 85.096091][ T5320] 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 [ 85.112585][ T5320] REISERFS (device loop0): checking transaction log (loop0) [ 85.120611][ T5320] REISERFS (device loop0): Using r5 hash to sort names [ 85.127632][ T5320] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 85.140431][ T5320] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./123/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./123/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./123/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./123/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./123") = 0 mkdir("./124", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5322 ./strace-static-x86_64: Process 5322 attached [pid 5322] chdir("./124") = 0 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5322] setpgid(0, 0) = 0 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5322] write(3, "1000", 4) = 4 [pid 5322] close(3) = 0 [pid 5322] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5322] memfd_create("syzkaller", 0) = 3 [pid 5322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5322] 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 5322] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5322] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5322] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5322] close(3) = 0 [pid 5322] mkdir("./file0", 0777) = 0 [ 85.277184][ T5322] loop0: detected capacity change from 0 to 8192 [ 85.288807][ T5322] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 85.301853][ T5322] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 85.311092][ T5322] REISERFS (device loop0): using ordered data mode [ 85.317648][ T5322] reiserfs: using flush barriers [pid 5322] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5322] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5322] chdir("./file0") = 0 [pid 5322] ioctl(4, LOOP_CLR_FD) = 0 [pid 5322] close(4) = 0 [pid 5322] creat("./bus", 000) = 4 [pid 5322] ftruncate(4, 2043) = 0 [pid 5322] exit_group(0) = ? [pid 5322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./124", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./124/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./124/binderfs") = 0 [ 85.323830][ T5322] 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 [ 85.340238][ T5322] REISERFS (device loop0): checking transaction log (loop0) [ 85.348548][ T5322] REISERFS (device loop0): Using r5 hash to sort names [ 85.355631][ T5322] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 85.368585][ T5322] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./124/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./124/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./124/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./124/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./124") = 0 mkdir("./125", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5324 attached , child_tidptr=0x5555566345d0) = 5324 [pid 5324] chdir("./125") = 0 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5324] setpgid(0, 0) = 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5324] write(3, "1000", 4) = 4 [pid 5324] close(3) = 0 [pid 5324] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5324] memfd_create("syzkaller", 0) = 3 [pid 5324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5324] 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 5324] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5324] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5324] close(3) = 0 [pid 5324] mkdir("./file0", 0777) = 0 [ 85.492957][ T5324] loop0: detected capacity change from 0 to 8192 [ 85.502472][ T5324] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 85.516038][ T5324] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 85.525703][ T5324] REISERFS (device loop0): using ordered data mode [ 85.532714][ T5324] reiserfs: using flush barriers [pid 5324] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5324] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5324] chdir("./file0") = 0 [pid 5324] ioctl(4, LOOP_CLR_FD) = 0 [pid 5324] close(4) = 0 [pid 5324] creat("./bus", 000) = 4 [pid 5324] ftruncate(4, 2043) = 0 [pid 5324] exit_group(0) = ? [pid 5324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./125", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./125/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./125/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./125/binderfs") = 0 [ 85.538806][ T5324] 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 [ 85.555380][ T5324] REISERFS (device loop0): checking transaction log (loop0) [ 85.563418][ T5324] REISERFS (device loop0): Using r5 hash to sort names [ 85.570526][ T5324] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 85.583266][ T5324] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./125/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./125/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./125/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./125/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./125") = 0 mkdir("./126", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5326 ./strace-static-x86_64: Process 5326 attached [pid 5326] chdir("./126") = 0 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5326] setpgid(0, 0) = 0 [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5326] write(3, "1000", 4) = 4 [pid 5326] close(3) = 0 [pid 5326] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5326] memfd_create("syzkaller", 0) = 3 [pid 5326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5326] 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 5326] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5326] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5326] close(3) = 0 [pid 5326] mkdir("./file0", 0777) = 0 [ 85.710027][ T5326] loop0: detected capacity change from 0 to 8192 [ 85.720263][ T5326] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 85.733350][ T5326] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 85.742640][ T5326] REISERFS (device loop0): using ordered data mode [ 85.749176][ T5326] reiserfs: using flush barriers [pid 5326] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5326] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5326] chdir("./file0") = 0 [pid 5326] ioctl(4, LOOP_CLR_FD) = 0 [pid 5326] close(4) = 0 [pid 5326] creat("./bus", 000) = 4 [pid 5326] ftruncate(4, 2043) = 0 [pid 5326] exit_group(0) = ? [pid 5326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./126", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./126/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./126/binderfs") = 0 [ 85.755016][ T5326] 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 [ 85.771508][ T5326] REISERFS (device loop0): checking transaction log (loop0) [ 85.779757][ T5326] REISERFS (device loop0): Using r5 hash to sort names [ 85.786760][ T5326] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 85.799548][ T5326] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./126/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./126/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./126/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./126/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./126") = 0 mkdir("./127", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5328 ./strace-static-x86_64: Process 5328 attached [pid 5328] chdir("./127") = 0 [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5328] setpgid(0, 0) = 0 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5328] write(3, "1000", 4) = 4 [pid 5328] close(3) = 0 [pid 5328] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5328] memfd_create("syzkaller", 0) = 3 [pid 5328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5328] 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 5328] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5328] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5328] close(3) = 0 [pid 5328] mkdir("./file0", 0777) = 0 [ 85.929322][ T5328] loop0: detected capacity change from 0 to 8192 [ 85.940647][ T5328] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 85.953753][ T5328] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 85.964279][ T5328] REISERFS (device loop0): using ordered data mode [ 85.970854][ T5328] reiserfs: using flush barriers [ 85.976616][ T5328] 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 [ 85.993113][ T5328] REISERFS (device loop0): checking transaction log (loop0) [ 86.001338][ T5328] REISERFS (device loop0): Using r5 hash to sort names [ 86.008478][ T5328] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5328] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5328] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5328] chdir("./file0") = 0 [pid 5328] ioctl(4, LOOP_CLR_FD) = 0 [pid 5328] close(4) = 0 [pid 5328] creat("./bus", 000) = 4 [pid 5328] ftruncate(4, 2043) = 0 [pid 5328] exit_group(0) = ? [pid 5328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./127", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./127/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./127/binderfs") = 0 [ 86.021188][ T5328] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./127/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./127/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./127/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./127/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./127") = 0 mkdir("./128", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5330 ./strace-static-x86_64: Process 5330 attached [pid 5330] chdir("./128") = 0 [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5330] setpgid(0, 0) = 0 [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5330] write(3, "1000", 4) = 4 [pid 5330] close(3) = 0 [pid 5330] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5330] memfd_create("syzkaller", 0) = 3 [pid 5330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5330] 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 5330] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5330] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5330] close(3) = 0 [pid 5330] mkdir("./file0", 0777) = 0 [ 86.165683][ T5330] loop0: detected capacity change from 0 to 8192 [ 86.176971][ T5330] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 86.189986][ T5330] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 86.199280][ T5330] REISERFS (device loop0): using ordered data mode [ 86.205791][ T5330] reiserfs: using flush barriers [pid 5330] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5330] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5330] chdir("./file0") = 0 [pid 5330] ioctl(4, LOOP_CLR_FD) = 0 [pid 5330] close(4) = 0 [pid 5330] creat("./bus", 000) = 4 [pid 5330] ftruncate(4, 2043) = 0 [pid 5330] exit_group(0) = ? [pid 5330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./128", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./128/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./128/binderfs") = 0 [ 86.211759][ T5330] 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 [ 86.228270][ T5330] REISERFS (device loop0): checking transaction log (loop0) [ 86.236379][ T5330] REISERFS (device loop0): Using r5 hash to sort names [ 86.243545][ T5330] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 86.256257][ T5330] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./128/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./128/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./128/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./128/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./128") = 0 mkdir("./129", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5332 ./strace-static-x86_64: Process 5332 attached [pid 5332] chdir("./129") = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5332] setpgid(0, 0) = 0 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5332] write(3, "1000", 4) = 4 [pid 5332] close(3) = 0 [pid 5332] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5332] memfd_create("syzkaller", 0) = 3 [pid 5332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5332] 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 5332] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5332] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5332] close(3) = 0 [pid 5332] mkdir("./file0", 0777) = 0 [ 86.376143][ T5332] loop0: detected capacity change from 0 to 8192 [ 86.385510][ T5332] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 86.398812][ T5332] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 86.408294][ T5332] REISERFS (device loop0): using ordered data mode [ 86.414795][ T5332] reiserfs: using flush barriers [pid 5332] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5332] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5332] chdir("./file0") = 0 [pid 5332] ioctl(4, LOOP_CLR_FD) = 0 [pid 5332] close(4) = 0 [pid 5332] creat("./bus", 000) = 4 [pid 5332] ftruncate(4, 2043) = 0 [pid 5332] exit_group(0) = ? [pid 5332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./129", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./129/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./129/binderfs") = 0 [ 86.420832][ T5332] 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 [ 86.437508][ T5332] REISERFS (device loop0): checking transaction log (loop0) [ 86.445985][ T5332] REISERFS (device loop0): Using r5 hash to sort names [ 86.453275][ T5332] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 86.466313][ T5332] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./129/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./129/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./129/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./129/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./129") = 0 mkdir("./130", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5334 ./strace-static-x86_64: Process 5334 attached [pid 5334] chdir("./130") = 0 [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5334] setpgid(0, 0) = 0 [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5334] write(3, "1000", 4) = 4 [pid 5334] close(3) = 0 [pid 5334] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5334] memfd_create("syzkaller", 0) = 3 [pid 5334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5334] 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 5334] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5334] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5334] close(3) = 0 [pid 5334] mkdir("./file0", 0777) = 0 [ 86.598762][ T5334] loop0: detected capacity change from 0 to 8192 [ 86.608989][ T5334] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 86.622016][ T5334] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 86.631473][ T5334] REISERFS (device loop0): using ordered data mode [ 86.638293][ T5334] reiserfs: using flush barriers [pid 5334] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5334] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5334] chdir("./file0") = 0 [pid 5334] ioctl(4, LOOP_CLR_FD) = 0 [pid 5334] close(4) = 0 [pid 5334] creat("./bus", 000) = 4 [pid 5334] ftruncate(4, 2043) = 0 [pid 5334] exit_group(0) = ? [pid 5334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 86.644163][ T5334] 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 [ 86.660897][ T5334] REISERFS (device loop0): checking transaction log (loop0) [ 86.669157][ T5334] REISERFS (device loop0): Using r5 hash to sort names [ 86.676194][ T5334] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 86.689371][ T5334] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./130", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./130/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./130/binderfs") = 0 umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./130/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./130/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./130/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./130/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./130") = 0 mkdir("./131", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5336 ./strace-static-x86_64: Process 5336 attached [pid 5336] chdir("./131") = 0 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5336] setpgid(0, 0) = 0 [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5336] write(3, "1000", 4) = 4 [pid 5336] close(3) = 0 [pid 5336] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5336] memfd_create("syzkaller", 0) = 3 [pid 5336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5336] 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 5336] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5336] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5336] close(3) = 0 [pid 5336] mkdir("./file0", 0777) = 0 [ 86.840955][ T5336] loop0: detected capacity change from 0 to 8192 [ 86.851778][ T5336] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 86.864840][ T5336] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 86.874329][ T5336] REISERFS (device loop0): using ordered data mode [ 86.881135][ T5336] reiserfs: using flush barriers [ 86.887047][ T5336] 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 [ 86.903767][ T5336] REISERFS (device loop0): checking transaction log (loop0) [ 86.912407][ T5336] REISERFS (device loop0): Using r5 hash to sort names [ 86.919895][ T5336] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5336] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5336] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5336] chdir("./file0") = 0 [pid 5336] ioctl(4, LOOP_CLR_FD) = 0 [pid 5336] close(4) = 0 [pid 5336] creat("./bus", 000) = 4 [pid 5336] ftruncate(4, 2043) = 0 [pid 5336] exit_group(0) = ? [pid 5336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./131", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./131/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./131/binderfs") = 0 [ 86.932922][ T5336] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./131/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./131/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./131/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./131/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./131") = 0 mkdir("./132", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5338 ./strace-static-x86_64: Process 5338 attached [pid 5338] chdir("./132") = 0 [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5338] setpgid(0, 0) = 0 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5338] write(3, "1000", 4) = 4 [pid 5338] close(3) = 0 [pid 5338] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5338] memfd_create("syzkaller", 0) = 3 [pid 5338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5338] 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 5338] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5338] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5338] close(3) = 0 [pid 5338] mkdir("./file0", 0777) = 0 [ 87.077454][ T5338] loop0: detected capacity change from 0 to 8192 [ 87.088591][ T5338] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.101648][ T5338] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 87.111048][ T5338] REISERFS (device loop0): using ordered data mode [ 87.117584][ T5338] reiserfs: using flush barriers [pid 5338] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5338] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5338] chdir("./file0") = 0 [pid 5338] ioctl(4, LOOP_CLR_FD) = 0 [pid 5338] close(4) = 0 [pid 5338] creat("./bus", 000) = 4 [pid 5338] ftruncate(4, 2043) = 0 [pid 5338] exit_group(0) = ? [pid 5338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./132", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./132/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./132/binderfs") = 0 [ 87.123590][ T5338] 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 [ 87.140114][ T5338] REISERFS (device loop0): checking transaction log (loop0) [ 87.148478][ T5338] REISERFS (device loop0): Using r5 hash to sort names [ 87.155488][ T5338] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 87.168754][ T5338] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./132/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./132/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./132/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./132/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./132") = 0 mkdir("./133", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5340 ./strace-static-x86_64: Process 5340 attached [pid 5340] chdir("./133") = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5340] setpgid(0, 0) = 0 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5340] write(3, "1000", 4) = 4 [pid 5340] close(3) = 0 [pid 5340] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5340] memfd_create("syzkaller", 0) = 3 [pid 5340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5340] 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 5340] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5340] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5340] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5340] close(3) = 0 [pid 5340] mkdir("./file0", 0777) = 0 [ 87.299851][ T5340] loop0: detected capacity change from 0 to 8192 [ 87.310195][ T5340] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.323235][ T5340] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 87.332534][ T5340] REISERFS (device loop0): using ordered data mode [ 87.339102][ T5340] reiserfs: using flush barriers [pid 5340] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5340] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5340] chdir("./file0") = 0 [pid 5340] ioctl(4, LOOP_CLR_FD) = 0 [pid 5340] close(4) = 0 [pid 5340] creat("./bus", 000) = 4 [pid 5340] ftruncate(4, 2043) = 0 [pid 5340] exit_group(0) = ? [pid 5340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=7 /* 0.07 s */} --- umount2("./133", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./133/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./133/binderfs") = 0 [ 87.344877][ T5340] 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 [ 87.361407][ T5340] REISERFS (device loop0): checking transaction log (loop0) [ 87.369450][ T5340] REISERFS (device loop0): Using r5 hash to sort names [ 87.376459][ T5340] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 87.389228][ T5340] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./133/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./133/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./133/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./133/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./133") = 0 mkdir("./134", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5342 ./strace-static-x86_64: Process 5342 attached [pid 5342] chdir("./134") = 0 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5342] setpgid(0, 0) = 0 [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5342] write(3, "1000", 4) = 4 [pid 5342] close(3) = 0 [pid 5342] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5342] memfd_create("syzkaller", 0) = 3 [pid 5342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5342] 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 5342] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5342] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5342] close(3) = 0 [pid 5342] mkdir("./file0", 0777) = 0 [ 87.523662][ T5342] loop0: detected capacity change from 0 to 8192 [ 87.533290][ T5342] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.546385][ T5342] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 87.556608][ T5342] REISERFS (device loop0): using ordered data mode [ 87.563175][ T5342] reiserfs: using flush barriers [pid 5342] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5342] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5342] chdir("./file0") = 0 [pid 5342] ioctl(4, LOOP_CLR_FD) = 0 [pid 5342] close(4) = 0 [pid 5342] creat("./bus", 000) = 4 [pid 5342] ftruncate(4, 2043) = 0 [pid 5342] exit_group(0) = ? [pid 5342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./134", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./134/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./134/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./134/binderfs") = 0 [ 87.569139][ T5342] 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 [ 87.585644][ T5342] REISERFS (device loop0): checking transaction log (loop0) [ 87.593791][ T5342] REISERFS (device loop0): Using r5 hash to sort names [ 87.600934][ T5342] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 87.613681][ T5342] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./134/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./134/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./134/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./134/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./134") = 0 mkdir("./135", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5344 ./strace-static-x86_64: Process 5344 attached [pid 5344] chdir("./135") = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5344] setpgid(0, 0) = 0 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5344] write(3, "1000", 4) = 4 [pid 5344] close(3) = 0 [pid 5344] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5344] memfd_create("syzkaller", 0) = 3 [pid 5344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5344] 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 5344] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5344] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5344] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5344] close(3) = 0 [pid 5344] mkdir("./file0", 0777) = 0 [ 87.742503][ T5344] loop0: detected capacity change from 0 to 8192 [ 87.751878][ T5344] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.764906][ T5344] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 87.774185][ T5344] REISERFS (device loop0): using ordered data mode [ 87.780757][ T5344] reiserfs: using flush barriers [pid 5344] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5344] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5344] chdir("./file0") = 0 [pid 5344] ioctl(4, LOOP_CLR_FD) = 0 [pid 5344] close(4) = 0 [pid 5344] creat("./bus", 000) = 4 [pid 5344] ftruncate(4, 2043) = 0 [pid 5344] exit_group(0) = ? [pid 5344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./135", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./135/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./135/binderfs") = 0 [ 87.786517][ T5344] 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 [ 87.803046][ T5344] REISERFS (device loop0): checking transaction log (loop0) [ 87.811245][ T5344] REISERFS (device loop0): Using r5 hash to sort names [ 87.818395][ T5344] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 87.831101][ T5344] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./135/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./135/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./135/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./135/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./135") = 0 mkdir("./136", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5346 attached , child_tidptr=0x5555566345d0) = 5346 [pid 5346] chdir("./136") = 0 [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5346] setpgid(0, 0) = 0 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5346] write(3, "1000", 4) = 4 [pid 5346] close(3) = 0 [pid 5346] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5346] memfd_create("syzkaller", 0) = 3 [pid 5346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5346] 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 5346] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5346] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5346] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5346] close(3) = 0 [pid 5346] mkdir("./file0", 0777) = 0 [ 87.965818][ T5346] loop0: detected capacity change from 0 to 8192 [ 87.976907][ T5346] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 87.990003][ T5346] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 87.999321][ T5346] REISERFS (device loop0): using ordered data mode [ 88.005825][ T5346] reiserfs: using flush barriers [pid 5346] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5346] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5346] chdir("./file0") = 0 [pid 5346] ioctl(4, LOOP_CLR_FD) = 0 [pid 5346] close(4) = 0 [pid 5346] creat("./bus", 000) = 4 [pid 5346] ftruncate(4, 2043) = 0 [pid 5346] exit_group(0) = ? [pid 5346] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5346, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./136", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./136/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./136/binderfs") = 0 [ 88.011877][ T5346] 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 [ 88.028367][ T5346] REISERFS (device loop0): checking transaction log (loop0) [ 88.036514][ T5346] REISERFS (device loop0): Using r5 hash to sort names [ 88.043655][ T5346] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 88.056452][ T5346] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./136/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./136/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./136/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./136/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./136") = 0 mkdir("./137", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5348 attached [pid 5348] chdir("./137" [pid 5070] <... clone resumed>, child_tidptr=0x5555566345d0) = 5348 [pid 5348] <... chdir resumed>) = 0 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5348] setpgid(0, 0) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5348] write(3, "1000", 4) = 4 [pid 5348] close(3) = 0 [pid 5348] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5348] memfd_create("syzkaller", 0) = 3 [pid 5348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5348] 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 5348] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5348] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5348] close(3) = 0 [pid 5348] mkdir("./file0", 0777) = 0 [ 88.185582][ T5348] loop0: detected capacity change from 0 to 8192 [ 88.196429][ T5348] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 88.209645][ T5348] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 88.218900][ T5348] REISERFS (device loop0): using ordered data mode [ 88.225410][ T5348] reiserfs: using flush barriers [pid 5348] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5348] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5348] chdir("./file0") = 0 [pid 5348] ioctl(4, LOOP_CLR_FD) = 0 [pid 5348] close(4) = 0 [pid 5348] creat("./bus", 000) = 4 [pid 5348] ftruncate(4, 2043) = 0 [pid 5348] exit_group(0) = ? [pid 5348] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./137", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./137/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 88.231454][ T5348] 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 [ 88.248068][ T5348] REISERFS (device loop0): checking transaction log (loop0) [ 88.256309][ T5348] REISERFS (device loop0): Using r5 hash to sort names [ 88.263451][ T5348] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 88.276185][ T5348] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. unlink("./137/binderfs") = 0 umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./137/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./137/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./137/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./137/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./137") = 0 mkdir("./138", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5350 ./strace-static-x86_64: Process 5350 attached [pid 5350] chdir("./138") = 0 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5350] setpgid(0, 0) = 0 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5350] write(3, "1000", 4) = 4 [pid 5350] close(3) = 0 [pid 5350] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5350] memfd_create("syzkaller", 0) = 3 [pid 5350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5350] 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 5350] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5350] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5350] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5350] close(3) = 0 [pid 5350] mkdir("./file0", 0777) = 0 [ 88.412576][ T5350] loop0: detected capacity change from 0 to 8192 [ 88.423233][ T5350] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 88.436307][ T5350] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 88.445526][ T5350] REISERFS (device loop0): using ordered data mode [ 88.452115][ T5350] reiserfs: using flush barriers [pid 5350] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5350] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5350] chdir("./file0") = 0 [pid 5350] ioctl(4, LOOP_CLR_FD) = 0 [pid 5350] close(4) = 0 [pid 5350] creat("./bus", 000) = 4 [pid 5350] ftruncate(4, 2043) = 0 [pid 5350] exit_group(0) = ? [pid 5350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./138", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./138/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./138/binderfs") = 0 [ 88.457864][ T5350] 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 [ 88.474293][ T5350] REISERFS (device loop0): checking transaction log (loop0) [ 88.482633][ T5350] REISERFS (device loop0): Using r5 hash to sort names [ 88.489682][ T5350] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 88.502438][ T5350] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./138/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./138/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./138/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./138/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./138") = 0 mkdir("./139", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5352 ./strace-static-x86_64: Process 5352 attached [pid 5352] chdir("./139") = 0 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5352] setpgid(0, 0) = 0 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5352] write(3, "1000", 4) = 4 [pid 5352] close(3) = 0 [pid 5352] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5352] memfd_create("syzkaller", 0) = 3 [pid 5352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5352] 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 5352] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5352] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5352] close(3) = 0 [pid 5352] mkdir("./file0", 0777) = 0 [ 88.642711][ T5352] loop0: detected capacity change from 0 to 8192 [ 88.652918][ T5352] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 88.665998][ T5352] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 88.675281][ T5352] REISERFS (device loop0): using ordered data mode [ 88.681840][ T5352] reiserfs: using flush barriers [pid 5352] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5352] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5352] chdir("./file0") = 0 [pid 5352] ioctl(4, LOOP_CLR_FD) = 0 [pid 5352] close(4) = 0 [pid 5352] creat("./bus", 000) = 4 [pid 5352] ftruncate(4, 2043) = 0 [pid 5352] exit_group(0) = ? [pid 5352] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5352, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./139", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./139/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./139/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./139/binderfs") = 0 [ 88.687589][ T5352] 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 [ 88.704130][ T5352] REISERFS (device loop0): checking transaction log (loop0) [ 88.712351][ T5352] REISERFS (device loop0): Using r5 hash to sort names [ 88.719645][ T5352] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 88.732403][ T5352] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./139/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./139/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./139/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./139/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./139") = 0 mkdir("./140", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5354 ./strace-static-x86_64: Process 5354 attached [pid 5354] chdir("./140") = 0 [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5354] setpgid(0, 0) = 0 [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5354] write(3, "1000", 4) = 4 [pid 5354] close(3) = 0 [pid 5354] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5354] memfd_create("syzkaller", 0) = 3 [pid 5354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5354] 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 5354] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5354] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5354] close(3) = 0 [pid 5354] mkdir("./file0", 0777) = 0 [ 88.873881][ T5354] loop0: detected capacity change from 0 to 8192 [ 88.883466][ T5354] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 88.896512][ T5354] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 88.905791][ T5354] REISERFS (device loop0): using ordered data mode [ 88.912344][ T5354] reiserfs: using flush barriers [pid 5354] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5354] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5354] chdir("./file0") = 0 [pid 5354] ioctl(4, LOOP_CLR_FD) = 0 [pid 5354] close(4) = 0 [pid 5354] creat("./bus", 000) = 4 [pid 5354] ftruncate(4, 2043) = 0 [pid 5354] exit_group(0) = ? [pid 5354] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./140", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./140/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./140/binderfs") = 0 [ 88.918206][ T5354] 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 [ 88.934556][ T5354] REISERFS (device loop0): checking transaction log (loop0) [ 88.942947][ T5354] REISERFS (device loop0): Using r5 hash to sort names [ 88.950057][ T5354] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 88.963015][ T5354] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./140/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./140/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./140/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./140/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./140") = 0 mkdir("./141", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5356 attached , child_tidptr=0x5555566345d0) = 5356 [pid 5356] chdir("./141") = 0 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5356] setpgid(0, 0) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5356] write(3, "1000", 4) = 4 [pid 5356] close(3) = 0 [pid 5356] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5356] memfd_create("syzkaller", 0) = 3 [pid 5356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5356] 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 5356] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5356] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5356] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5356] close(3) = 0 [pid 5356] mkdir("./file0", 0777) = 0 [ 89.085925][ T5356] loop0: detected capacity change from 0 to 8192 [ 89.096907][ T5356] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.110001][ T5356] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 89.121304][ T5356] REISERFS (device loop0): using ordered data mode [ 89.127836][ T5356] reiserfs: using flush barriers [ 89.133744][ T5356] 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 [ 89.150148][ T5356] REISERFS (device loop0): checking transaction log (loop0) [ 89.158738][ T5356] REISERFS (device loop0): Using r5 hash to sort names [ 89.166033][ T5356] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5356] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5356] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5356] chdir("./file0") = 0 [pid 5356] ioctl(4, LOOP_CLR_FD) = 0 [pid 5356] close(4) = 0 [pid 5356] creat("./bus", 000) = 4 [pid 5356] ftruncate(4, 2043) = 0 [pid 5356] exit_group(0) = ? [pid 5356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./141", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./141/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./141/binderfs") = 0 [ 89.178857][ T5356] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./141/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./141/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./141/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./141/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./141") = 0 mkdir("./142", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5358 ./strace-static-x86_64: Process 5358 attached [pid 5358] chdir("./142") = 0 [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5358] setpgid(0, 0) = 0 [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5358] write(3, "1000", 4) = 4 [pid 5358] close(3) = 0 [pid 5358] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5358] memfd_create("syzkaller", 0) = 3 [pid 5358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5358] 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 5358] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5358] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5358] close(3) = 0 [pid 5358] mkdir("./file0", 0777) = 0 [ 89.327217][ T5358] loop0: detected capacity change from 0 to 8192 [ 89.337829][ T5358] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.350912][ T5358] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 89.360155][ T5358] REISERFS (device loop0): using ordered data mode [ 89.366685][ T5358] reiserfs: using flush barriers [pid 5358] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5358] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5358] chdir("./file0") = 0 [pid 5358] ioctl(4, LOOP_CLR_FD) = 0 [pid 5358] close(4) = 0 [pid 5358] creat("./bus", 000) = 4 [pid 5358] ftruncate(4, 2043) = 0 [pid 5358] exit_group(0) = ? [pid 5358] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./142", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./142/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./142/binderfs") = 0 [ 89.372603][ T5358] 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 [ 89.388971][ T5358] REISERFS (device loop0): checking transaction log (loop0) [ 89.397202][ T5358] REISERFS (device loop0): Using r5 hash to sort names [ 89.404335][ T5358] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 89.417063][ T5358] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./142/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./142/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./142/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./142/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./142") = 0 mkdir("./143", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5360 ./strace-static-x86_64: Process 5360 attached [pid 5360] chdir("./143") = 0 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5360] setpgid(0, 0) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5360] write(3, "1000", 4) = 4 [pid 5360] close(3) = 0 [pid 5360] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5360] memfd_create("syzkaller", 0) = 3 [pid 5360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5360] 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 5360] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5360] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5360] close(3) = 0 [pid 5360] mkdir("./file0", 0777) = 0 [ 89.542318][ T5360] loop0: detected capacity change from 0 to 8192 [ 89.551874][ T5360] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.565288][ T5360] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 89.574701][ T5360] REISERFS (device loop0): using ordered data mode [ 89.581398][ T5360] reiserfs: using flush barriers [pid 5360] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5360] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5360] chdir("./file0") = 0 [pid 5360] ioctl(4, LOOP_CLR_FD) = 0 [pid 5360] close(4) = 0 [pid 5360] creat("./bus", 000) = 4 [pid 5360] ftruncate(4, 2043) = 0 [pid 5360] exit_group(0) = ? [pid 5360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [ 89.587260][ T5360] 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 [ 89.603972][ T5360] REISERFS (device loop0): checking transaction log (loop0) [ 89.612326][ T5360] REISERFS (device loop0): Using r5 hash to sort names [ 89.619671][ T5360] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 89.632679][ T5360] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./143", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./143/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./143/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./143/binderfs") = 0 umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./143/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./143/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./143/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./143/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./143") = 0 mkdir("./144", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5362 attached , child_tidptr=0x5555566345d0) = 5362 [pid 5362] chdir("./144") = 0 [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5362] setpgid(0, 0) = 0 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5362] write(3, "1000", 4) = 4 [pid 5362] close(3) = 0 [pid 5362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5362] memfd_create("syzkaller", 0) = 3 [pid 5362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5362] 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 5362] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5362] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5362] close(3) = 0 [pid 5362] mkdir("./file0", 0777) = 0 [ 89.767714][ T5362] loop0: detected capacity change from 0 to 8192 [ 89.777268][ T5362] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 89.790664][ T5362] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 89.800045][ T5362] REISERFS (device loop0): using ordered data mode [ 89.806564][ T5362] reiserfs: using flush barriers [pid 5362] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5362] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5362] chdir("./file0") = 0 [pid 5362] ioctl(4, LOOP_CLR_FD) = 0 [pid 5362] close(4) = 0 [pid 5362] creat("./bus", 000) = 4 [pid 5362] ftruncate(4, 2043) = 0 [pid 5362] exit_group(0) = ? [pid 5362] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./144", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./144/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./144/binderfs") = 0 [ 89.812721][ T5362] 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 [ 89.829433][ T5362] REISERFS (device loop0): checking transaction log (loop0) [ 89.837681][ T5362] REISERFS (device loop0): Using r5 hash to sort names [ 89.844989][ T5362] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 89.857985][ T5362] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./144/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./144/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./144/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./144/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./144") = 0 mkdir("./145", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5364 ./strace-static-x86_64: Process 5364 attached [pid 5364] chdir("./145") = 0 [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5364] setpgid(0, 0) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3) = 0 [pid 5364] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5364] memfd_create("syzkaller", 0) = 3 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5364] 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 5364] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5364] close(3) = 0 [pid 5364] mkdir("./file0", 0777) = 0 [ 89.986666][ T5364] loop0: detected capacity change from 0 to 8192 [ 89.997336][ T5364] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.010343][ T5364] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 90.019588][ T5364] REISERFS (device loop0): using ordered data mode [ 90.026111][ T5364] reiserfs: using flush barriers [pid 5364] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5364] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5364] chdir("./file0") = 0 [pid 5364] ioctl(4, LOOP_CLR_FD) = 0 [pid 5364] close(4) = 0 [pid 5364] creat("./bus", 000) = 4 [pid 5364] ftruncate(4, 2043) = 0 [pid 5364] exit_group(0) = ? [pid 5364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./145", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./145/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./145/binderfs") = 0 [ 90.032136][ T5364] 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 [ 90.048601][ T5364] REISERFS (device loop0): checking transaction log (loop0) [ 90.056518][ T5364] REISERFS (device loop0): Using r5 hash to sort names [ 90.063618][ T5364] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 90.076328][ T5364] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./145/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./145/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./145/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./145/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./145") = 0 mkdir("./146", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5366 ./strace-static-x86_64: Process 5366 attached [pid 5366] chdir("./146") = 0 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5366] setpgid(0, 0) = 0 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5366] write(3, "1000", 4) = 4 [pid 5366] close(3) = 0 [pid 5366] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5366] memfd_create("syzkaller", 0) = 3 [pid 5366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5366] 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 5366] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5366] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5366] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5366] close(3) = 0 [pid 5366] mkdir("./file0", 0777) = 0 [ 90.211044][ T5366] loop0: detected capacity change from 0 to 8192 [ 90.220713][ T5366] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.234090][ T5366] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 90.243726][ T5366] REISERFS (device loop0): using ordered data mode [ 90.250564][ T5366] reiserfs: using flush barriers [pid 5366] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5366] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5366] chdir("./file0") = 0 [pid 5366] ioctl(4, LOOP_CLR_FD) = 0 [pid 5366] close(4) = 0 [pid 5366] creat("./bus", 000) = 4 [pid 5366] ftruncate(4, 2043) = 0 [pid 5366] exit_group(0) = ? [pid 5366] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- umount2("./146", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./146/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./146/binderfs") = 0 [ 90.256431][ T5366] 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 [ 90.272836][ T5366] REISERFS (device loop0): checking transaction log (loop0) [ 90.280933][ T5366] REISERFS (device loop0): Using r5 hash to sort names [ 90.288141][ T5366] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 90.300868][ T5366] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./146/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./146/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./146/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./146/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./146") = 0 mkdir("./147", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5368 ./strace-static-x86_64: Process 5368 attached [pid 5368] chdir("./147") = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5368] setpgid(0, 0) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5368] write(3, "1000", 4) = 4 [pid 5368] close(3) = 0 [pid 5368] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5368] memfd_create("syzkaller", 0) = 3 [pid 5368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5368] 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 5368] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5368] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5368] close(3) = 0 [pid 5368] mkdir("./file0", 0777) = 0 [ 90.432215][ T5368] loop0: detected capacity change from 0 to 8192 [ 90.442568][ T5368] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.455769][ T5368] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 90.465060][ T5368] REISERFS (device loop0): using ordered data mode [ 90.471640][ T5368] reiserfs: using flush barriers [pid 5368] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5368] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5368] chdir("./file0") = 0 [pid 5368] ioctl(4, LOOP_CLR_FD) = 0 [pid 5368] close(4) = 0 [pid 5368] creat("./bus", 000) = 4 [pid 5368] ftruncate(4, 2043) = 0 [pid 5368] exit_group(0) = ? [pid 5368] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./147", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./147/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./147/binderfs") = 0 [ 90.477443][ T5368] 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 [ 90.493969][ T5368] REISERFS (device loop0): checking transaction log (loop0) [ 90.501984][ T5368] REISERFS (device loop0): Using r5 hash to sort names [ 90.509123][ T5368] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 90.521841][ T5368] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./147/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./147/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./147/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./147/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./147") = 0 mkdir("./148", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5370 ./strace-static-x86_64: Process 5370 attached [pid 5370] chdir("./148") = 0 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5370] setpgid(0, 0) = 0 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5370] write(3, "1000", 4) = 4 [pid 5370] close(3) = 0 [pid 5370] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5370] memfd_create("syzkaller", 0) = 3 [pid 5370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5370] 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 5370] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5370] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5370] close(3) = 0 [pid 5370] mkdir("./file0", 0777) = 0 [ 90.672941][ T5370] loop0: detected capacity change from 0 to 8192 [ 90.683744][ T5370] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.696828][ T5370] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 90.706119][ T5370] REISERFS (device loop0): using ordered data mode [ 90.712661][ T5370] reiserfs: using flush barriers [pid 5370] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5370] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5370] chdir("./file0") = 0 [pid 5370] ioctl(4, LOOP_CLR_FD) = 0 [pid 5370] close(4) = 0 [pid 5370] creat("./bus", 000) = 4 [pid 5370] ftruncate(4, 2043) = 0 [pid 5370] exit_group(0) = ? [pid 5370] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./148", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./148/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./148/binderfs") = 0 [ 90.718787][ T5370] 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 [ 90.735240][ T5370] REISERFS (device loop0): checking transaction log (loop0) [ 90.743682][ T5370] REISERFS (device loop0): Using r5 hash to sort names [ 90.750787][ T5370] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 90.763512][ T5370] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./148/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./148/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./148/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./148/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./148") = 0 mkdir("./149", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5372 attached , child_tidptr=0x5555566345d0) = 5372 [pid 5372] chdir("./149") = 0 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5372] setpgid(0, 0) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5372] write(3, "1000", 4) = 4 [pid 5372] close(3) = 0 [pid 5372] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5372] memfd_create("syzkaller", 0) = 3 [pid 5372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5372] 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 5372] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5372] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5372] close(3) = 0 [pid 5372] mkdir("./file0", 0777) = 0 [ 90.897701][ T5372] loop0: detected capacity change from 0 to 8192 [ 90.908628][ T5372] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 90.921670][ T5372] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 90.931165][ T5372] REISERFS (device loop0): using ordered data mode [ 90.937667][ T5372] reiserfs: using flush barriers [pid 5372] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5372] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5372] chdir("./file0") = 0 [pid 5372] ioctl(4, LOOP_CLR_FD) = 0 [pid 5372] close(4) = 0 [pid 5372] creat("./bus", 000) = 4 [pid 5372] ftruncate(4, 2043) = 0 [pid 5372] exit_group(0) = ? [pid 5372] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- umount2("./149", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./149/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./149/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./149/binderfs") = 0 [ 90.943744][ T5372] 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 [ 90.960321][ T5372] REISERFS (device loop0): checking transaction log (loop0) [ 90.968832][ T5372] REISERFS (device loop0): Using r5 hash to sort names [ 90.975863][ T5372] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 90.988938][ T5372] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./149/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./149/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./149/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./149/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./149") = 0 mkdir("./150", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5374 ./strace-static-x86_64: Process 5374 attached [pid 5374] chdir("./150") = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5374] setpgid(0, 0) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5374] write(3, "1000", 4) = 4 [pid 5374] close(3) = 0 [pid 5374] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5374] memfd_create("syzkaller", 0) = 3 [pid 5374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5374] 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 5374] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5374] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5374] close(3) = 0 [pid 5374] mkdir("./file0", 0777) = 0 [ 91.122420][ T5374] loop0: detected capacity change from 0 to 8192 [ 91.133006][ T5374] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.146099][ T5374] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 91.155343][ T5374] REISERFS (device loop0): using ordered data mode [ 91.161879][ T5374] reiserfs: using flush barriers [pid 5374] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5374] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5374] chdir("./file0") = 0 [pid 5374] ioctl(4, LOOP_CLR_FD) = 0 [pid 5374] close(4) = 0 [pid 5374] creat("./bus", 000) = 4 [pid 5374] ftruncate(4, 2043) = 0 [pid 5374] exit_group(0) = ? [pid 5374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./150", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./150/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./150/binderfs") = 0 [ 91.167579][ T5374] 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 [ 91.184273][ T5374] REISERFS (device loop0): checking transaction log (loop0) [ 91.192281][ T5374] REISERFS (device loop0): Using r5 hash to sort names [ 91.199430][ T5374] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 91.212129][ T5374] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./150/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./150/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./150/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./150/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./150") = 0 mkdir("./151", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5376 ./strace-static-x86_64: Process 5376 attached [pid 5376] chdir("./151") = 0 [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5376] setpgid(0, 0) = 0 [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5376] write(3, "1000", 4) = 4 [pid 5376] close(3) = 0 [pid 5376] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5376] memfd_create("syzkaller", 0) = 3 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5376] 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 5376] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5376] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5376] close(3) = 0 [pid 5376] mkdir("./file0", 0777) = 0 [ 91.343732][ T5376] loop0: detected capacity change from 0 to 8192 [ 91.353290][ T5376] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.366571][ T5376] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 91.376153][ T5376] REISERFS (device loop0): using ordered data mode [ 91.382973][ T5376] reiserfs: using flush barriers [pid 5376] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5376] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5376] chdir("./file0") = 0 [pid 5376] ioctl(4, LOOP_CLR_FD) = 0 [pid 5376] close(4) = 0 [pid 5376] creat("./bus", 000) = 4 [pid 5376] ftruncate(4, 2043) = 0 [pid 5376] exit_group(0) = ? [pid 5376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5376, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./151", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./151/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./151/binderfs") = 0 [ 91.388992][ T5376] 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 [ 91.405322][ T5376] REISERFS (device loop0): checking transaction log (loop0) [ 91.413537][ T5376] REISERFS (device loop0): Using r5 hash to sort names [ 91.420629][ T5376] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 91.433364][ T5376] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./151/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./151/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./151/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./151/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./151") = 0 mkdir("./152", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5378 ./strace-static-x86_64: Process 5378 attached [pid 5378] chdir("./152") = 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5378] setpgid(0, 0) = 0 [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5378] write(3, "1000", 4) = 4 [pid 5378] close(3) = 0 [pid 5378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5378] memfd_create("syzkaller", 0) = 3 [pid 5378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5378] 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 5378] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5378] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5378] close(3) = 0 [pid 5378] mkdir("./file0", 0777) = 0 [ 91.562924][ T5378] loop0: detected capacity change from 0 to 8192 [ 91.572542][ T5378] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.585992][ T5378] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 91.595661][ T5378] REISERFS (device loop0): using ordered data mode [ 91.602493][ T5378] reiserfs: using flush barriers [pid 5378] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5378] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5378] chdir("./file0") = 0 [pid 5378] ioctl(4, LOOP_CLR_FD) = 0 [pid 5378] close(4) = 0 [pid 5378] creat("./bus", 000) = 4 [pid 5378] ftruncate(4, 2043) = 0 [pid 5378] exit_group(0) = ? [pid 5378] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./152", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./152/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./152/binderfs") = 0 [ 91.608635][ T5378] 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 [ 91.625360][ T5378] REISERFS (device loop0): checking transaction log (loop0) [ 91.633738][ T5378] REISERFS (device loop0): Using r5 hash to sort names [ 91.641002][ T5378] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 91.654054][ T5378] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./152/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./152/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./152/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./152/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./152") = 0 mkdir("./153", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5380 ./strace-static-x86_64: Process 5380 attached [pid 5380] chdir("./153") = 0 [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5380] setpgid(0, 0) = 0 [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5380] write(3, "1000", 4) = 4 [pid 5380] close(3) = 0 [pid 5380] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5380] memfd_create("syzkaller", 0) = 3 [pid 5380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5380] 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 5380] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5380] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5380] close(3) = 0 [pid 5380] mkdir("./file0", 0777) = 0 [ 91.770689][ T5380] loop0: detected capacity change from 0 to 8192 [ 91.780777][ T5380] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 91.793912][ T5380] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 91.803233][ T5380] REISERFS (device loop0): using ordered data mode [ 91.809835][ T5380] reiserfs: using flush barriers [pid 5380] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5380] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5380] chdir("./file0") = 0 [pid 5380] ioctl(4, LOOP_CLR_FD) = 0 [pid 5380] close(4) = 0 [pid 5380] creat("./bus", 000) = 4 [pid 5380] ftruncate(4, 2043) = 0 [pid 5380] exit_group(0) = ? [pid 5380] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./153", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./153/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./153/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./153/binderfs") = 0 [ 91.815836][ T5380] 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 [ 91.832236][ T5380] REISERFS (device loop0): checking transaction log (loop0) [ 91.840578][ T5380] REISERFS (device loop0): Using r5 hash to sort names [ 91.848012][ T5380] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 91.860761][ T5380] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./153/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./153/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./153/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./153/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./153") = 0 mkdir("./154", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5382 ./strace-static-x86_64: Process 5382 attached [pid 5382] chdir("./154") = 0 [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5382] setpgid(0, 0) = 0 [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5382] write(3, "1000", 4) = 4 [pid 5382] close(3) = 0 [pid 5382] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5382] memfd_create("syzkaller", 0) = 3 [pid 5382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5382] 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 5382] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5382] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5382] close(3) = 0 [pid 5382] mkdir("./file0", 0777) = 0 [ 92.001096][ T5382] loop0: detected capacity change from 0 to 8192 [ 92.010474][ T5382] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 92.023521][ T5382] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 92.033266][ T5382] REISERFS (device loop0): using ordered data mode [ 92.040041][ T5382] reiserfs: using flush barriers [pid 5382] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5382] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5382] chdir("./file0") = 0 [pid 5382] ioctl(4, LOOP_CLR_FD) = 0 [pid 5382] close(4) = 0 [pid 5382] creat("./bus", 000) = 4 [pid 5382] ftruncate(4, 2043) = 0 [pid 5382] exit_group(0) = ? [pid 5382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./154", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./154/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./154/binderfs") = 0 [ 92.045887][ T5382] 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 [ 92.062656][ T5382] REISERFS (device loop0): checking transaction log (loop0) [ 92.070883][ T5382] REISERFS (device loop0): Using r5 hash to sort names [ 92.078375][ T5382] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 92.091223][ T5382] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./154/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./154/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./154/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./154/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./154") = 0 mkdir("./155", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5384 ./strace-static-x86_64: Process 5384 attached [pid 5384] chdir("./155") = 0 [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5384] setpgid(0, 0) = 0 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5384] write(3, "1000", 4) = 4 [pid 5384] close(3) = 0 [pid 5384] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5384] memfd_create("syzkaller", 0) = 3 [pid 5384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5384] 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 5384] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5384] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5384] close(3) = 0 [pid 5384] mkdir("./file0", 0777) = 0 [ 92.219398][ T5384] loop0: detected capacity change from 0 to 8192 [ 92.230482][ T5384] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 92.243550][ T5384] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 92.253127][ T5384] REISERFS (device loop0): using ordered data mode [ 92.259688][ T5384] reiserfs: using flush barriers [pid 5384] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5384] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5384] chdir("./file0") = 0 [pid 5384] ioctl(4, LOOP_CLR_FD) = 0 [pid 5384] close(4) = 0 [pid 5384] creat("./bus", 000) = 4 [pid 5384] ftruncate(4, 2043) = 0 [pid 5384] exit_group(0) = ? [ 92.265417][ T5384] 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 [ 92.281855][ T5384] REISERFS (device loop0): checking transaction log (loop0) [ 92.289926][ T5384] REISERFS (device loop0): Using r5 hash to sort names [ 92.296969][ T5384] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 92.309714][ T5384] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5384] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./155", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./155/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./155/binderfs") = 0 umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./155/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./155/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./155/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./155/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./155") = 0 mkdir("./156", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5386 ./strace-static-x86_64: Process 5386 attached [pid 5386] chdir("./156") = 0 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5386] setpgid(0, 0) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5386] write(3, "1000", 4) = 4 [pid 5386] close(3) = 0 [pid 5386] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5386] memfd_create("syzkaller", 0) = 3 [pid 5386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5386] 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 5386] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5386] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5386] close(3) = 0 [pid 5386] mkdir("./file0", 0777) = 0 [ 92.448156][ T5386] loop0: detected capacity change from 0 to 8192 [ 92.458477][ T5386] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 92.471537][ T5386] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 92.480831][ T5386] REISERFS (device loop0): using ordered data mode [ 92.487350][ T5386] reiserfs: using flush barriers [pid 5386] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5386] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5386] chdir("./file0") = 0 [pid 5386] ioctl(4, LOOP_CLR_FD) = 0 [pid 5386] close(4) = 0 [pid 5386] creat("./bus", 000) = 4 [pid 5386] ftruncate(4, 2043) = 0 [pid 5386] exit_group(0) = ? [pid 5386] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- umount2("./156", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 92.493472][ T5386] 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 [ 92.509960][ T5386] REISERFS (device loop0): checking transaction log (loop0) [ 92.518336][ T5386] REISERFS (device loop0): Using r5 hash to sort names [ 92.525427][ T5386] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 92.538197][ T5386] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./156/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./156/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./156/binderfs") = 0 umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./156/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./156/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./156/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./156/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./156") = 0 mkdir("./157", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5388 ./strace-static-x86_64: Process 5388 attached [pid 5388] chdir("./157") = 0 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5388] setpgid(0, 0) = 0 [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5388] write(3, "1000", 4) = 4 [pid 5388] close(3) = 0 [pid 5388] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5388] memfd_create("syzkaller", 0) = 3 [pid 5388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5388] 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 5388] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5388] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5388] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5388] close(3) = 0 [pid 5388] mkdir("./file0", 0777) = 0 [ 92.711863][ T5388] loop0: detected capacity change from 0 to 8192 [ 92.721846][ T5388] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 92.734955][ T5388] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 92.744250][ T5388] REISERFS (device loop0): using ordered data mode [ 92.750803][ T5388] reiserfs: using flush barriers [pid 5388] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5388] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5388] chdir("./file0") = 0 [pid 5388] ioctl(4, LOOP_CLR_FD) = 0 [pid 5388] close(4) = 0 [pid 5388] creat("./bus", 000) = 4 [pid 5388] ftruncate(4, 2043) = 0 [pid 5388] exit_group(0) = ? [pid 5388] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5388, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./157", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./157/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./157/binderfs") = 0 [ 92.756510][ T5388] 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 [ 92.773419][ T5388] REISERFS (device loop0): checking transaction log (loop0) [ 92.782127][ T5388] REISERFS (device loop0): Using r5 hash to sort names [ 92.789737][ T5388] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 92.802826][ T5388] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./157/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./157/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./157/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./157/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./157") = 0 mkdir("./158", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5390 ./strace-static-x86_64: Process 5390 attached [pid 5390] chdir("./158") = 0 [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5390] setpgid(0, 0) = 0 [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5390] write(3, "1000", 4) = 4 [pid 5390] close(3) = 0 [pid 5390] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5390] memfd_create("syzkaller", 0) = 3 [pid 5390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5390] 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 5390] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5390] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5390] close(3) = 0 [pid 5390] mkdir("./file0", 0777) = 0 [ 92.931371][ T5390] loop0: detected capacity change from 0 to 8192 [ 92.941521][ T5390] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 92.954543][ T5390] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 92.964116][ T5390] REISERFS (device loop0): using ordered data mode [ 92.970911][ T5390] reiserfs: using flush barriers [pid 5390] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5390] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5390] chdir("./file0") = 0 [pid 5390] ioctl(4, LOOP_CLR_FD) = 0 [pid 5390] close(4) = 0 [pid 5390] creat("./bus", 000) = 4 [pid 5390] ftruncate(4, 2043) = 0 [pid 5390] exit_group(0) = ? [pid 5390] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5390, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./158", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 [ 92.976666][ T5390] 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 [ 92.993293][ T5390] REISERFS (device loop0): checking transaction log (loop0) [ 93.001549][ T5390] REISERFS (device loop0): Using r5 hash to sort names [ 93.008794][ T5390] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.021714][ T5390] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./158/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./158/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./158/binderfs") = 0 umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./158/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./158/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./158/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./158/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./158") = 0 mkdir("./159", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5392 ./strace-static-x86_64: Process 5392 attached [pid 5392] chdir("./159") = 0 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5392] setpgid(0, 0) = 0 [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5392] write(3, "1000", 4) = 4 [pid 5392] close(3) = 0 [pid 5392] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5392] memfd_create("syzkaller", 0) = 3 [pid 5392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5392] 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 5392] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5392] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5392] close(3) = 0 [pid 5392] mkdir("./file0", 0777) = 0 [ 93.157475][ T5392] loop0: detected capacity change from 0 to 8192 [ 93.168832][ T5392] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.181898][ T5392] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 93.191373][ T5392] REISERFS (device loop0): using ordered data mode [ 93.198203][ T5392] reiserfs: using flush barriers [ 93.204123][ T5392] 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 [ 93.220768][ T5392] REISERFS (device loop0): checking transaction log (loop0) [ 93.229232][ T5392] REISERFS (device loop0): Using r5 hash to sort names [ 93.236236][ T5392] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5392] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5392] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5392] chdir("./file0") = 0 [pid 5392] ioctl(4, LOOP_CLR_FD) = 0 [pid 5392] close(4) = 0 [pid 5392] creat("./bus", 000) = 4 [pid 5392] ftruncate(4, 2043) = 0 [pid 5392] exit_group(0) = ? [pid 5392] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5392, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./159", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./159/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./159/binderfs") = 0 [ 93.249201][ T5392] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./159/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./159/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./159/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./159/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./159") = 0 mkdir("./160", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5394 ./strace-static-x86_64: Process 5394 attached [pid 5394] chdir("./160") = 0 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5394] setpgid(0, 0) = 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5394] write(3, "1000", 4) = 4 [pid 5394] close(3) = 0 [pid 5394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5394] memfd_create("syzkaller", 0) = 3 [pid 5394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5394] 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 5394] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5394] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5394] close(3) = 0 [pid 5394] mkdir("./file0", 0777) = 0 [ 93.391542][ T5394] loop0: detected capacity change from 0 to 8192 [ 93.402220][ T5394] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.415596][ T5394] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 93.425009][ T5394] REISERFS (device loop0): using ordered data mode [ 93.431753][ T5394] reiserfs: using flush barriers [pid 5394] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5394] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5394] chdir("./file0") = 0 [pid 5394] ioctl(4, LOOP_CLR_FD) = 0 [pid 5394] close(4) = 0 [pid 5394] creat("./bus", 000) = 4 [pid 5394] ftruncate(4, 2043) = 0 [pid 5394] exit_group(0) = ? [pid 5394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./160", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./160/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./160/binderfs") = 0 [ 93.437428][ T5394] 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 [ 93.454046][ T5394] REISERFS (device loop0): checking transaction log (loop0) [ 93.462248][ T5394] REISERFS (device loop0): Using r5 hash to sort names [ 93.469523][ T5394] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.482518][ T5394] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./160/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./160/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./160/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./160/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./160") = 0 mkdir("./161", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5396 ./strace-static-x86_64: Process 5396 attached [pid 5396] chdir("./161") = 0 [pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5396] setpgid(0, 0) = 0 [pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5396] write(3, "1000", 4) = 4 [pid 5396] close(3) = 0 [pid 5396] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5396] memfd_create("syzkaller", 0) = 3 [pid 5396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5396] 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 5396] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5396] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5396] close(3) = 0 [pid 5396] mkdir("./file0", 0777) = 0 [ 93.631581][ T5396] loop0: detected capacity change from 0 to 8192 [ 93.642739][ T5396] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.655780][ T5396] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 93.665050][ T5396] REISERFS (device loop0): using ordered data mode [ 93.671614][ T5396] reiserfs: using flush barriers [pid 5396] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5396] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5396] chdir("./file0") = 0 [pid 5396] ioctl(4, LOOP_CLR_FD) = 0 [pid 5396] close(4) = 0 [pid 5396] creat("./bus", 000) = 4 [pid 5396] ftruncate(4, 2043) = 0 [pid 5396] exit_group(0) = ? [pid 5396] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5396, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./161", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 93.677428][ T5396] 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 [ 93.694017][ T5396] REISERFS (device loop0): checking transaction log (loop0) [ 93.702161][ T5396] REISERFS (device loop0): Using r5 hash to sort names [ 93.709561][ T5396] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.722342][ T5396] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./161/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./161/binderfs") = 0 umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./161/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./161/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./161/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./161/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./161") = 0 mkdir("./162", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5398 ./strace-static-x86_64: Process 5398 attached [pid 5398] chdir("./162") = 0 [pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5398] setpgid(0, 0) = 0 [pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5398] write(3, "1000", 4) = 4 [pid 5398] close(3) = 0 [pid 5398] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5398] memfd_create("syzkaller", 0) = 3 [pid 5398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5398] 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 5398] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5398] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5398] close(3) = 0 [pid 5398] mkdir("./file0", 0777) = 0 [ 93.863035][ T5398] loop0: detected capacity change from 0 to 8192 [ 93.874105][ T5398] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 93.887143][ T5398] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 93.896400][ T5398] REISERFS (device loop0): using ordered data mode [ 93.902968][ T5398] reiserfs: using flush barriers [pid 5398] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5398] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5398] chdir("./file0") = 0 [pid 5398] ioctl(4, LOOP_CLR_FD) = 0 [pid 5398] close(4) = 0 [pid 5398] creat("./bus", 000) = 4 [pid 5398] ftruncate(4, 2043) = 0 [pid 5398] exit_group(0) = ? [pid 5398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5398, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- umount2("./162", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./162/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 93.908826][ T5398] 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 [ 93.925309][ T5398] REISERFS (device loop0): checking transaction log (loop0) [ 93.933557][ T5398] REISERFS (device loop0): Using r5 hash to sort names [ 93.940688][ T5398] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 93.953468][ T5398] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. unlink("./162/binderfs") = 0 umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./162/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./162/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./162/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./162/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./162") = 0 mkdir("./163", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5400 attached , child_tidptr=0x5555566345d0) = 5400 [pid 5400] chdir("./163") = 0 [pid 5400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5400] setpgid(0, 0) = 0 [pid 5400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5400] write(3, "1000", 4) = 4 [pid 5400] close(3) = 0 [pid 5400] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5400] memfd_create("syzkaller", 0) = 3 [pid 5400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5400] 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 5400] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5400] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5400] close(3) = 0 [pid 5400] mkdir("./file0", 0777) = 0 [ 94.093521][ T5400] loop0: detected capacity change from 0 to 8192 [ 94.104211][ T5400] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.117350][ T5400] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 94.126567][ T5400] REISERFS (device loop0): using ordered data mode [ 94.133147][ T5400] reiserfs: using flush barriers [pid 5400] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5400] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5400] chdir("./file0") = 0 [pid 5400] ioctl(4, LOOP_CLR_FD) = 0 [pid 5400] close(4) = 0 [pid 5400] creat("./bus", 000) = 4 [ 94.139119][ T5400] 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 [ 94.155648][ T5400] REISERFS (device loop0): checking transaction log (loop0) [ 94.164044][ T5400] REISERFS (device loop0): Using r5 hash to sort names [ 94.171243][ T5400] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 94.184052][ T5400] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5400] ftruncate(4, 2043) = 0 [pid 5400] exit_group(0) = ? [pid 5400] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5400, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./163", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./163/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./163/binderfs") = 0 umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./163/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./163/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./163/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./163/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./163") = 0 mkdir("./164", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5402 ./strace-static-x86_64: Process 5402 attached [pid 5402] chdir("./164") = 0 [pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5402] setpgid(0, 0) = 0 [pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5402] write(3, "1000", 4) = 4 [pid 5402] close(3) = 0 [pid 5402] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5402] memfd_create("syzkaller", 0) = 3 [pid 5402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5402] 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 5402] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5402] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5402] close(3) = 0 [pid 5402] mkdir("./file0", 0777) = 0 [ 94.332190][ T5402] loop0: detected capacity change from 0 to 8192 [ 94.342763][ T5402] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.356150][ T5402] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 94.365678][ T5402] REISERFS (device loop0): using ordered data mode [ 94.372490][ T5402] reiserfs: using flush barriers [ 94.379027][ T5402] 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 [ 94.395706][ T5402] REISERFS (device loop0): checking transaction log (loop0) [ 94.404189][ T5402] REISERFS (device loop0): Using r5 hash to sort names [ 94.411876][ T5402] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5402] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5402] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5402] chdir("./file0") = 0 [pid 5402] ioctl(4, LOOP_CLR_FD) = 0 [pid 5402] close(4) = 0 [pid 5402] creat("./bus", 000) = 4 [pid 5402] ftruncate(4, 2043) = 0 [pid 5402] exit_group(0) = ? [pid 5402] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5402, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./164", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./164/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./164/binderfs") = 0 [ 94.424954][ T5402] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./164/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./164/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./164/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./164/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./164") = 0 mkdir("./165", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5405 ./strace-static-x86_64: Process 5405 attached [pid 5405] chdir("./165") = 0 [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5405] setpgid(0, 0) = 0 [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5405] write(3, "1000", 4) = 4 [pid 5405] close(3) = 0 [pid 5405] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5405] memfd_create("syzkaller", 0) = 3 [pid 5405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5405] 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 5405] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5405] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5405] close(3) = 0 [pid 5405] mkdir("./file0", 0777) = 0 [ 94.551472][ T5405] loop0: detected capacity change from 0 to 8192 [ 94.561536][ T5405] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.574668][ T5405] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 94.583947][ T5405] REISERFS (device loop0): using ordered data mode [ 94.590554][ T5405] reiserfs: using flush barriers [pid 5405] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5405] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5405] chdir("./file0") = 0 [pid 5405] ioctl(4, LOOP_CLR_FD) = 0 [pid 5405] close(4) = 0 [pid 5405] creat("./bus", 000) = 4 [pid 5405] ftruncate(4, 2043) = 0 [pid 5405] exit_group(0) = ? [pid 5405] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5405, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./165", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./165/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./165/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./165/binderfs") = 0 [ 94.596907][ T5405] 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 [ 94.613396][ T5405] REISERFS (device loop0): checking transaction log (loop0) [ 94.621692][ T5405] REISERFS (device loop0): Using r5 hash to sort names [ 94.628852][ T5405] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 94.641590][ T5405] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./165/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./165/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./165/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./165/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./165") = 0 mkdir("./166", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5407 ./strace-static-x86_64: Process 5407 attached [pid 5407] chdir("./166") = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5407] setpgid(0, 0) = 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5407] write(3, "1000", 4) = 4 [pid 5407] close(3) = 0 [pid 5407] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5407] memfd_create("syzkaller", 0) = 3 [pid 5407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5407] 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 5407] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5407] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5407] close(3) = 0 [pid 5407] mkdir("./file0", 0777) = 0 [ 94.772935][ T5407] loop0: detected capacity change from 0 to 8192 [ 94.783709][ T5407] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 94.796899][ T5407] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 94.806149][ T5407] REISERFS (device loop0): using ordered data mode [ 94.812680][ T5407] reiserfs: using flush barriers [pid 5407] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5407] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5407] chdir("./file0") = 0 [pid 5407] ioctl(4, LOOP_CLR_FD) = 0 [pid 5407] close(4) = 0 [pid 5407] creat("./bus", 000) = 4 [pid 5407] ftruncate(4, 2043) = 0 [pid 5407] exit_group(0) = ? [pid 5407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5407, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./166", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./166/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./166/binderfs") = 0 [ 94.818736][ T5407] 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 [ 94.835217][ T5407] REISERFS (device loop0): checking transaction log (loop0) [ 94.843291][ T5407] REISERFS (device loop0): Using r5 hash to sort names [ 94.850357][ T5407] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 94.863084][ T5407] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./166/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./166/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./166/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./166/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./166") = 0 mkdir("./167", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5409 ./strace-static-x86_64: Process 5409 attached [pid 5409] chdir("./167") = 0 [pid 5409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5409] setpgid(0, 0) = 0 [pid 5409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5409] write(3, "1000", 4) = 4 [pid 5409] close(3) = 0 [pid 5409] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5409] memfd_create("syzkaller", 0) = 3 [pid 5409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5409] 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 5409] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5409] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5409] close(3) = 0 [pid 5409] mkdir("./file0", 0777) = 0 [ 94.998478][ T5409] loop0: detected capacity change from 0 to 8192 [ 95.009069][ T5409] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 95.022178][ T5409] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 95.032493][ T5409] REISERFS (device loop0): using ordered data mode [ 95.039201][ T5409] reiserfs: using flush barriers [ 95.044979][ T5409] 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 [ 95.061544][ T5409] REISERFS (device loop0): checking transaction log (loop0) [ 95.069963][ T5409] REISERFS (device loop0): Using r5 hash to sort names [ 95.076972][ T5409] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5409] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5409] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5409] chdir("./file0") = 0 [pid 5409] ioctl(4, LOOP_CLR_FD) = 0 [pid 5409] close(4) = 0 [pid 5409] creat("./bus", 000) = 4 [pid 5409] ftruncate(4, 2043) = 0 [pid 5409] exit_group(0) = ? [pid 5409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5409, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- umount2("./167", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./167/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./167/binderfs") = 0 [ 95.090159][ T5409] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./167/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./167/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./167/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./167/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./167") = 0 mkdir("./168", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5411 attached , child_tidptr=0x5555566345d0) = 5411 [pid 5411] chdir("./168") = 0 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5411] setpgid(0, 0) = 0 [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5411] write(3, "1000", 4) = 4 [pid 5411] close(3) = 0 [pid 5411] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5411] memfd_create("syzkaller", 0) = 3 [pid 5411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5411] 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 5411] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5411] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5411] close(3) = 0 [pid 5411] mkdir("./file0", 0777) = 0 [ 95.223425][ T5411] loop0: detected capacity change from 0 to 8192 [ 95.234232][ T5411] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 95.247427][ T5411] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 95.256834][ T5411] REISERFS (device loop0): using ordered data mode [ 95.263451][ T5411] reiserfs: using flush barriers [pid 5411] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5411] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5411] chdir("./file0") = 0 [pid 5411] ioctl(4, LOOP_CLR_FD) = 0 [pid 5411] close(4) = 0 [pid 5411] creat("./bus", 000) = 4 [pid 5411] ftruncate(4, 2043) = 0 [pid 5411] exit_group(0) = ? [pid 5411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5411, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./168", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./168/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./168/binderfs") = 0 [ 95.269181][ T5411] 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 [ 95.285609][ T5411] REISERFS (device loop0): checking transaction log (loop0) [ 95.293692][ T5411] REISERFS (device loop0): Using r5 hash to sort names [ 95.300814][ T5411] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 95.313906][ T5411] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./168/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./168/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./168/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./168/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./168") = 0 mkdir("./169", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5414 ./strace-static-x86_64: Process 5414 attached [pid 5414] chdir("./169") = 0 [pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5414] setpgid(0, 0) = 0 [pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5414] write(3, "1000", 4) = 4 [pid 5414] close(3) = 0 [pid 5414] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5414] memfd_create("syzkaller", 0) = 3 [pid 5414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5414] 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 5414] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5414] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5414] close(3) = 0 [pid 5414] mkdir("./file0", 0777) = 0 [ 95.453898][ T5414] loop0: detected capacity change from 0 to 8192 [ 95.464872][ T5414] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 95.478382][ T5414] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 95.487662][ T5414] REISERFS (device loop0): using ordered data mode [ 95.494230][ T5414] reiserfs: using flush barriers [ 95.500114][ T5414] 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 [ 95.516598][ T5414] REISERFS (device loop0): checking transaction log (loop0) [ 95.525918][ T5414] REISERFS (device loop0): Using r5 hash to sort names [ 95.533329][ T5414] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5414] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5414] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5414] chdir("./file0") = 0 [pid 5414] ioctl(4, LOOP_CLR_FD) = 0 [pid 5414] close(4) = 0 [pid 5414] creat("./bus", 000) = 4 [pid 5414] ftruncate(4, 2043) = 0 [pid 5414] exit_group(0) = ? [pid 5414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5414, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./169", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./169/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./169/binderfs") = 0 [ 95.546341][ T5414] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./169/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./169/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./169/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./169/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./169") = 0 mkdir("./170", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5416 ./strace-static-x86_64: Process 5416 attached [pid 5416] chdir("./170") = 0 [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5416] setpgid(0, 0) = 0 [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5416] write(3, "1000", 4) = 4 [pid 5416] close(3) = 0 [pid 5416] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5416] memfd_create("syzkaller", 0) = 3 [pid 5416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5416] 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 5416] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5416] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5416] close(3) = 0 [pid 5416] mkdir("./file0", 0777) = 0 [ 95.679801][ T5416] loop0: detected capacity change from 0 to 8192 [ 95.691154][ T5416] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 95.704226][ T5416] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 95.713465][ T5416] REISERFS (device loop0): using ordered data mode [ 95.720056][ T5416] reiserfs: using flush barriers [ 95.725943][ T5416] 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 [ 95.742531][ T5416] REISERFS (device loop0): checking transaction log (loop0) [ 95.750823][ T5416] REISERFS (device loop0): Using r5 hash to sort names [ 95.758560][ T5416] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 95.771331][ T5416] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5416] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5416] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5416] chdir("./file0") = 0 [pid 5416] ioctl(4, LOOP_CLR_FD) = 0 [pid 5416] close(4) = 0 [pid 5416] creat("./bus", 000) = 4 [pid 5416] ftruncate(4, 2043) = 0 [pid 5416] exit_group(0) = ? [pid 5416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5416, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./170", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./170/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./170/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./170/binderfs") = 0 umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./170/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./170/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./170/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./170/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./170") = 0 mkdir("./171", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5418 ./strace-static-x86_64: Process 5418 attached [pid 5418] chdir("./171") = 0 [pid 5418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5418] setpgid(0, 0) = 0 [pid 5418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5418] write(3, "1000", 4) = 4 [pid 5418] close(3) = 0 [pid 5418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5418] memfd_create("syzkaller", 0) = 3 [pid 5418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5418] 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 5418] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5418] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5418] close(3) = 0 [pid 5418] mkdir("./file0", 0777) = 0 [ 95.903304][ T5418] loop0: detected capacity change from 0 to 8192 [ 95.914220][ T5418] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 95.927282][ T5418] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 95.936498][ T5418] REISERFS (device loop0): using ordered data mode [ 95.943074][ T5418] reiserfs: using flush barriers [ 95.948836][ T5418] 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 [ 95.965636][ T5418] REISERFS (device loop0): checking transaction log (loop0) [ 95.974581][ T5418] REISERFS (device loop0): Using r5 hash to sort names [ 95.981996][ T5418] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 95.994937][ T5418] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5418] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5418] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5418] chdir("./file0") = 0 [pid 5418] ioctl(4, LOOP_CLR_FD) = 0 [pid 5418] close(4) = 0 [pid 5418] creat("./bus", 000) = 4 [pid 5418] ftruncate(4, 2043) = 0 [pid 5418] exit_group(0) = ? [pid 5418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5418, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./171", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./171/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./171/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./171/binderfs") = 0 umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./171/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./171/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./171/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./171/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./171") = 0 mkdir("./172", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5422 attached [pid 5422] chdir("./172") = 0 [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5422] setpgid(0, 0) = 0 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5422] write(3, "1000", 4) = 4 [pid 5422] close(3) = 0 [pid 5422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5422] memfd_create("syzkaller", 0) = 3 [pid 5422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5070] <... clone resumed>, child_tidptr=0x5555566345d0) = 5422 [pid 5422] 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 5422] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5422] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5422] close(3) = 0 [pid 5422] mkdir("./file0", 0777) = 0 [ 96.128351][ T5422] loop0: detected capacity change from 0 to 8192 [ 96.138684][ T5422] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 96.151695][ T5422] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 96.161258][ T5422] REISERFS (device loop0): using ordered data mode [ 96.169617][ T5422] reiserfs: using flush barriers [ 96.175544][ T5422] 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 [ 96.192336][ T5422] REISERFS (device loop0): checking transaction log (loop0) [ 96.200753][ T5422] REISERFS (device loop0): Using r5 hash to sort names [ 96.207850][ T5422] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5422] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5422] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5422] chdir("./file0") = 0 [pid 5422] ioctl(4, LOOP_CLR_FD) = 0 [pid 5422] close(4) = 0 [pid 5422] creat("./bus", 000) = 4 [pid 5422] ftruncate(4, 2043) = 0 [pid 5422] exit_group(0) = ? [pid 5422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./172", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./172/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./172/binderfs") = 0 [ 96.220669][ T5422] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./172/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./172/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./172/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./172/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./172") = 0 mkdir("./173", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5424 ./strace-static-x86_64: Process 5424 attached [pid 5424] chdir("./173") = 0 [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5424] setpgid(0, 0) = 0 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5424] write(3, "1000", 4) = 4 [pid 5424] close(3) = 0 [pid 5424] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5424] memfd_create("syzkaller", 0) = 3 [pid 5424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5424] 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 5424] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5424] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5424] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5424] close(3) = 0 [pid 5424] mkdir("./file0", 0777) = 0 [ 96.354298][ T5424] loop0: detected capacity change from 0 to 8192 [ 96.364981][ T5424] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 96.378395][ T5424] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 96.387588][ T5424] REISERFS (device loop0): using ordered data mode [ 96.394426][ T5424] reiserfs: using flush barriers [ 96.400511][ T5424] 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 [ 96.417038][ T5424] REISERFS (device loop0): checking transaction log (loop0) [ 96.425513][ T5424] REISERFS (device loop0): Using r5 hash to sort names [ 96.432793][ T5424] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5424] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5424] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5424] chdir("./file0") = 0 [pid 5424] ioctl(4, LOOP_CLR_FD) = 0 [pid 5424] close(4) = 0 [pid 5424] creat("./bus", 000) = 4 [pid 5424] ftruncate(4, 2043) = 0 [pid 5424] exit_group(0) = ? [pid 5424] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5424, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./173", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./173/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./173/binderfs") = 0 [ 96.448278][ T5424] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./173/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./173/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./173/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./173/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./173") = 0 mkdir("./174", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5427 ./strace-static-x86_64: Process 5427 attached [pid 5427] chdir("./174") = 0 [pid 5427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5427] setpgid(0, 0) = 0 [pid 5427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5427] write(3, "1000", 4) = 4 [pid 5427] close(3) = 0 [pid 5427] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5427] memfd_create("syzkaller", 0) = 3 [pid 5427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5427] 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 5427] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5427] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5427] close(3) = 0 [pid 5427] mkdir("./file0", 0777) = 0 [ 96.584397][ T5427] loop0: detected capacity change from 0 to 8192 [ 96.594437][ T5427] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 96.607798][ T5427] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 96.617328][ T5427] REISERFS (device loop0): using ordered data mode [ 96.624057][ T5427] reiserfs: using flush barriers [pid 5427] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5427] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5427] chdir("./file0") = 0 [pid 5427] ioctl(4, LOOP_CLR_FD) = 0 [pid 5427] close(4) = 0 [pid 5427] creat("./bus", 000) = 4 [pid 5427] ftruncate(4, 2043) = 0 [pid 5427] exit_group(0) = ? [pid 5427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5427, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./174", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./174/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./174/binderfs") = 0 [ 96.630323][ T5427] 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 [ 96.646945][ T5427] REISERFS (device loop0): checking transaction log (loop0) [ 96.655249][ T5427] REISERFS (device loop0): Using r5 hash to sort names [ 96.662654][ T5427] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 96.675500][ T5427] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./174/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./174/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./174/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./174/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./174") = 0 mkdir("./175", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5429 ./strace-static-x86_64: Process 5429 attached [pid 5429] chdir("./175") = 0 [pid 5429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5429] setpgid(0, 0) = 0 [pid 5429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5429] write(3, "1000", 4) = 4 [pid 5429] close(3) = 0 [pid 5429] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5429] memfd_create("syzkaller", 0) = 3 [pid 5429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5429] 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 5429] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5429] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5429] close(3) = 0 [pid 5429] mkdir("./file0", 0777) = 0 [ 96.795331][ T5429] loop0: detected capacity change from 0 to 8192 [ 96.806202][ T5429] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 96.819463][ T5429] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 96.828704][ T5429] REISERFS (device loop0): using ordered data mode [ 96.835210][ T5429] reiserfs: using flush barriers [ 96.841259][ T5429] 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 [ 96.858770][ T5429] REISERFS (device loop0): checking transaction log (loop0) [ 96.867474][ T5429] REISERFS (device loop0): Using r5 hash to sort names [ 96.875393][ T5429] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5429] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5429] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5429] chdir("./file0") = 0 [pid 5429] ioctl(4, LOOP_CLR_FD) = 0 [pid 5429] close(4) = 0 [pid 5429] creat("./bus", 000) = 4 [pid 5429] ftruncate(4, 2043) = 0 [pid 5429] exit_group(0) = ? [pid 5429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5429, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./175", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./175/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./175/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./175/binderfs") = 0 [ 96.888272][ T5429] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./175/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./175/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./175/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./175/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./175") = 0 mkdir("./176", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5432 ./strace-static-x86_64: Process 5432 attached [pid 5432] chdir("./176") = 0 [pid 5432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5432] setpgid(0, 0) = 0 [pid 5432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5432] write(3, "1000", 4) = 4 [pid 5432] close(3) = 0 [pid 5432] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5432] memfd_create("syzkaller", 0) = 3 [pid 5432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5432] 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 5432] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5432] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5432] close(3) = 0 [pid 5432] mkdir("./file0", 0777) = 0 [ 97.018338][ T5432] loop0: detected capacity change from 0 to 8192 [ 97.039129][ T5432] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.052161][ T5432] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 97.061494][ T5432] REISERFS (device loop0): using ordered data mode [ 97.068037][ T5432] reiserfs: using flush barriers [ 97.073962][ T5432] 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 [ 97.090457][ T5432] REISERFS (device loop0): checking transaction log (loop0) [ 97.098870][ T5432] REISERFS (device loop0): Using r5 hash to sort names [ 97.105927][ T5432] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5432] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5432] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5432] chdir("./file0") = 0 [pid 5432] ioctl(4, LOOP_CLR_FD) = 0 [pid 5432] close(4) = 0 [pid 5432] creat("./bus", 000) = 4 [pid 5432] ftruncate(4, 2043) = 0 [pid 5432] exit_group(0) = ? [pid 5432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5432, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./176", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./176/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./176/binderfs") = 0 umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 97.118670][ T5432] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. lstat("./176/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./176/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./176/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./176/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./176") = 0 mkdir("./177", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5434 ./strace-static-x86_64: Process 5434 attached [pid 5434] chdir("./177") = 0 [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5434] setpgid(0, 0) = 0 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5434] write(3, "1000", 4) = 4 [pid 5434] close(3) = 0 [pid 5434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5434] memfd_create("syzkaller", 0) = 3 [pid 5434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5434] 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 5434] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5434] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5434] close(3) = 0 [pid 5434] mkdir("./file0", 0777) = 0 [ 97.246217][ T5434] loop0: detected capacity change from 0 to 8192 [ 97.255792][ T5434] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.269547][ T5434] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 97.279298][ T5434] REISERFS (device loop0): using ordered data mode [ 97.286083][ T5434] reiserfs: using flush barriers [pid 5434] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5434] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5434] chdir("./file0") = 0 [pid 5434] ioctl(4, LOOP_CLR_FD) = 0 [pid 5434] close(4) = 0 [pid 5434] creat("./bus", 000) = 4 [pid 5434] ftruncate(4, 2043) = 0 [pid 5434] exit_group(0) = ? [pid 5434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./177", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./177/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./177/binderfs") = 0 [ 97.292355][ T5434] 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 [ 97.309122][ T5434] REISERFS (device loop0): checking transaction log (loop0) [ 97.317408][ T5434] REISERFS (device loop0): Using r5 hash to sort names [ 97.324462][ T5434] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 97.337241][ T5434] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./177/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./177/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./177/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./177/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./177") = 0 mkdir("./178", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5436 ./strace-static-x86_64: Process 5436 attached [pid 5436] chdir("./178") = 0 [pid 5436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5436] setpgid(0, 0) = 0 [pid 5436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5436] write(3, "1000", 4) = 4 [pid 5436] close(3) = 0 [pid 5436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5436] memfd_create("syzkaller", 0) = 3 [pid 5436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5436] 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 5436] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5436] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5436] close(3) = 0 [pid 5436] mkdir("./file0", 0777) = 0 [ 97.471385][ T5436] loop0: detected capacity change from 0 to 8192 [ 97.481529][ T5436] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.494880][ T5436] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 97.504401][ T5436] REISERFS (device loop0): using ordered data mode [ 97.511154][ T5436] reiserfs: using flush barriers [ 97.516911][ T5436] 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 [ 97.533509][ T5436] REISERFS (device loop0): checking transaction log (loop0) [ 97.542057][ T5436] REISERFS (device loop0): Using r5 hash to sort names [ 97.549200][ T5436] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5436] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5436] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5436] chdir("./file0") = 0 [pid 5436] ioctl(4, LOOP_CLR_FD) = 0 [pid 5436] close(4) = 0 [pid 5436] creat("./bus", 000) = 4 [pid 5436] ftruncate(4, 2043) = 0 [pid 5436] exit_group(0) = ? [pid 5436] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5436, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./178", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./178/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./178/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./178/binderfs") = 0 [ 97.563117][ T5436] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./178/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./178/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./178/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./178/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./178") = 0 mkdir("./179", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5438 ./strace-static-x86_64: Process 5438 attached [pid 5438] chdir("./179") = 0 [pid 5438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5438] setpgid(0, 0) = 0 [pid 5438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5438] write(3, "1000", 4) = 4 [pid 5438] close(3) = 0 [pid 5438] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5438] memfd_create("syzkaller", 0) = 3 [pid 5438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5438] 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 5438] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5438] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5438] close(3) = 0 [pid 5438] mkdir("./file0", 0777) = 0 [ 97.696211][ T5438] loop0: detected capacity change from 0 to 8192 [ 97.706861][ T5438] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.720239][ T5438] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 97.729640][ T5438] REISERFS (device loop0): using ordered data mode [ 97.736139][ T5438] reiserfs: using flush barriers [ 97.742255][ T5438] 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 [ 97.758929][ T5438] REISERFS (device loop0): checking transaction log (loop0) [ 97.767417][ T5438] REISERFS (device loop0): Using r5 hash to sort names [ 97.774861][ T5438] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 97.787781][ T5438] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5438] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5438] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5438] chdir("./file0") = 0 [pid 5438] ioctl(4, LOOP_CLR_FD) = 0 [pid 5438] close(4) = 0 [pid 5438] creat("./bus", 000) = 4 [pid 5438] ftruncate(4, 2043) = 0 [pid 5438] exit_group(0) = ? [pid 5438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5438, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./179", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./179/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./179/binderfs") = 0 umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./179/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./179/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./179/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./179/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./179") = 0 mkdir("./180", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5440 ./strace-static-x86_64: Process 5440 attached [pid 5440] chdir("./180") = 0 [pid 5440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5440] setpgid(0, 0) = 0 [pid 5440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5440] write(3, "1000", 4) = 4 [pid 5440] close(3) = 0 [pid 5440] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5440] memfd_create("syzkaller", 0) = 3 [pid 5440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5440] 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 5440] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5440] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5440] close(3) = 0 [pid 5440] mkdir("./file0", 0777) = 0 [ 97.930178][ T5440] loop0: detected capacity change from 0 to 8192 [ 97.939800][ T5440] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 97.952873][ T5440] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 97.962278][ T5440] REISERFS (device loop0): using ordered data mode [ 97.968849][ T5440] reiserfs: using flush barriers [pid 5440] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5440] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5440] chdir("./file0") = 0 [pid 5440] ioctl(4, LOOP_CLR_FD) = 0 [pid 5440] close(4) = 0 [pid 5440] creat("./bus", 000) = 4 [pid 5440] ftruncate(4, 2043) = 0 [pid 5440] exit_group(0) = ? [pid 5440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5440, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./180", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./180/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./180/binderfs") = 0 [ 97.974711][ T5440] 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 [ 97.991240][ T5440] REISERFS (device loop0): checking transaction log (loop0) [ 97.999681][ T5440] REISERFS (device loop0): Using r5 hash to sort names [ 98.006713][ T5440] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 98.019545][ T5440] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./180/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./180/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./180/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./180/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./180") = 0 mkdir("./181", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5442 ./strace-static-x86_64: Process 5442 attached [pid 5442] chdir("./181") = 0 [pid 5442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5442] setpgid(0, 0) = 0 [pid 5442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5442] write(3, "1000", 4) = 4 [pid 5442] close(3) = 0 [pid 5442] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5442] memfd_create("syzkaller", 0) = 3 [pid 5442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5442] 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 5442] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5442] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5442] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5442] close(3) = 0 [pid 5442] mkdir("./file0", 0777) = 0 [ 98.144433][ T5442] loop0: detected capacity change from 0 to 8192 [ 98.155764][ T5442] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.169145][ T5442] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 98.178786][ T5442] REISERFS (device loop0): using ordered data mode [ 98.187075][ T5442] reiserfs: using flush barriers [ 98.193331][ T5442] 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 [ 98.209968][ T5442] REISERFS (device loop0): checking transaction log (loop0) [ 98.218382][ T5442] REISERFS (device loop0): Using r5 hash to sort names [ 98.225673][ T5442] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5442] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5442] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5442] chdir("./file0") = 0 [pid 5442] ioctl(4, LOOP_CLR_FD) = 0 [pid 5442] close(4) = 0 [pid 5442] creat("./bus", 000) = 4 [pid 5442] ftruncate(4, 2043) = 0 [pid 5442] exit_group(0) = ? [pid 5442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5442, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./181", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./181/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./181/binderfs") = 0 umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./181/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./181/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./181/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./181/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 [ 98.238774][ T5442] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. rmdir("./181") = 0 mkdir("./182", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5444 ./strace-static-x86_64: Process 5444 attached [pid 5444] chdir("./182") = 0 [pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5444] setpgid(0, 0) = 0 [pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5444] write(3, "1000", 4) = 4 [pid 5444] close(3) = 0 [pid 5444] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5444] memfd_create("syzkaller", 0) = 3 [pid 5444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5444] 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 5444] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5444] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5444] close(3) = 0 [pid 5444] mkdir("./file0", 0777) = 0 [ 98.361749][ T5444] loop0: detected capacity change from 0 to 8192 [ 98.373236][ T5444] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.386322][ T5444] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 98.395840][ T5444] REISERFS (device loop0): using ordered data mode [ 98.402572][ T5444] reiserfs: using flush barriers [pid 5444] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 98.408495][ T5444] 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 [ 98.424844][ T5444] REISERFS (device loop0): checking transaction log (loop0) [ 98.433204][ T5444] REISERFS (device loop0): Using r5 hash to sort names [ 98.440436][ T5444] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 98.453318][ T5444] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5444] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5444] chdir("./file0") = 0 [pid 5444] ioctl(4, LOOP_CLR_FD) = 0 [pid 5444] close(4) = 0 [pid 5444] creat("./bus", 000) = 4 [pid 5444] ftruncate(4, 2043) = 0 [pid 5444] exit_group(0) = ? [pid 5444] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5444, si_uid=0, si_status=0, si_utime=0, si_stime=14 /* 0.14 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./182", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./182/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./182/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./182/binderfs") = 0 umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./182/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./182/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./182/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./182/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./182") = 0 mkdir("./183", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5446 ./strace-static-x86_64: Process 5446 attached [pid 5446] chdir("./183") = 0 [pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5446] setpgid(0, 0) = 0 [pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5446] write(3, "1000", 4) = 4 [pid 5446] close(3) = 0 [pid 5446] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5446] memfd_create("syzkaller", 0) = 3 [pid 5446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5446] 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 5446] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5446] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5446] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5446] close(3) = 0 [pid 5446] mkdir("./file0", 0777) = 0 [ 98.590200][ T5446] loop0: detected capacity change from 0 to 8192 [ 98.610013][ T5446] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.623330][ T5446] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 98.633109][ T5446] REISERFS (device loop0): using ordered data mode [ 98.640153][ T5446] reiserfs: using flush barriers [ 98.645994][ T5446] 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 [ 98.662972][ T5446] REISERFS (device loop0): checking transaction log (loop0) [ 98.672359][ T5446] REISERFS (device loop0): Using r5 hash to sort names [pid 5446] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5446] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5446] chdir("./file0") = 0 [pid 5446] ioctl(4, LOOP_CLR_FD) = 0 [pid 5446] close(4) = 0 [pid 5446] creat("./bus", 000) = 4 [pid 5446] ftruncate(4, 2043) = 0 [pid 5446] exit_group(0) = ? [pid 5446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5446, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./183", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./183/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./183/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./183/binderfs") = 0 umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 [ 98.679563][ T5446] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 98.692286][ T5446] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./183/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./183/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./183/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./183/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./183") = 0 mkdir("./184", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5448 ./strace-static-x86_64: Process 5448 attached [pid 5448] chdir("./184") = 0 [pid 5448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5448] setpgid(0, 0) = 0 [pid 5448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5448] write(3, "1000", 4) = 4 [pid 5448] close(3) = 0 [pid 5448] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5448] memfd_create("syzkaller", 0) = 3 [pid 5448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5448] 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 5448] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5448] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5448] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5448] close(3) = 0 [pid 5448] mkdir("./file0", 0777) = 0 [ 98.825072][ T5448] loop0: detected capacity change from 0 to 8192 [ 98.835195][ T5448] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 98.848565][ T5448] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 98.857762][ T5448] REISERFS (device loop0): using ordered data mode [ 98.864573][ T5448] reiserfs: using flush barriers [pid 5448] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5448] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5448] chdir("./file0") = 0 [pid 5448] ioctl(4, LOOP_CLR_FD) = 0 [pid 5448] close(4) = 0 [pid 5448] creat("./bus", 000) = 4 [pid 5448] ftruncate(4, 2043) = 0 [pid 5448] exit_group(0) = ? [pid 5448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5448, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- umount2("./184", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./184/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./184/binderfs") = 0 [ 98.870691][ T5448] 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 [ 98.887329][ T5448] REISERFS (device loop0): checking transaction log (loop0) [ 98.896058][ T5448] REISERFS (device loop0): Using r5 hash to sort names [ 98.903354][ T5448] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 98.916283][ T5448] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./184/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./184/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./184/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./184/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./184") = 0 mkdir("./185", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5450 ./strace-static-x86_64: Process 5450 attached [pid 5450] chdir("./185") = 0 [pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5450] setpgid(0, 0) = 0 [pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5450] write(3, "1000", 4) = 4 [pid 5450] close(3) = 0 [pid 5450] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5450] memfd_create("syzkaller", 0) = 3 [pid 5450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5450] 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 5450] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5450] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5450] close(3) = 0 [pid 5450] mkdir("./file0", 0777) = 0 [ 99.050094][ T5450] loop0: detected capacity change from 0 to 8192 [ 99.061298][ T5450] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.074415][ T5450] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 99.083688][ T5450] REISERFS (device loop0): using ordered data mode [ 99.090244][ T5450] reiserfs: using flush barriers [pid 5450] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5450] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5450] chdir("./file0") = 0 [pid 5450] ioctl(4, LOOP_CLR_FD) = 0 [pid 5450] close(4) = 0 [pid 5450] creat("./bus", 000) = 4 [pid 5450] ftruncate(4, 2043) = 0 [pid 5450] exit_group(0) = ? [pid 5450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./185", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./185/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./185/binderfs") = 0 [ 99.096118][ T5450] 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 [ 99.112665][ T5450] REISERFS (device loop0): checking transaction log (loop0) [ 99.121214][ T5450] REISERFS (device loop0): Using r5 hash to sort names [ 99.128360][ T5450] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.141147][ T5450] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./185/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./185/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./185/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./185/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./185") = 0 mkdir("./186", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5452 ./strace-static-x86_64: Process 5452 attached [pid 5452] chdir("./186") = 0 [pid 5452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5452] setpgid(0, 0) = 0 [pid 5452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5452] write(3, "1000", 4) = 4 [pid 5452] close(3) = 0 [pid 5452] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5452] memfd_create("syzkaller", 0) = 3 [pid 5452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5452] 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 5452] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5452] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5452] close(3) = 0 [pid 5452] mkdir("./file0", 0777) = 0 [ 99.274003][ T5452] loop0: detected capacity change from 0 to 8192 [ 99.284133][ T5452] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.298279][ T5452] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 99.307732][ T5452] REISERFS (device loop0): using ordered data mode [ 99.314796][ T5452] reiserfs: using flush barriers [pid 5452] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [ 99.321062][ T5452] 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 [ 99.337829][ T5452] REISERFS (device loop0): checking transaction log (loop0) [ 99.345816][ T5452] REISERFS (device loop0): Using r5 hash to sort names [ 99.352920][ T5452] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.365640][ T5452] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5452] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5452] chdir("./file0") = 0 [pid 5452] ioctl(4, LOOP_CLR_FD) = 0 [pid 5452] close(4) = 0 [pid 5452] creat("./bus", 000) = 4 [pid 5452] ftruncate(4, 2043) = 0 [pid 5452] exit_group(0) = ? [pid 5452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5452, si_uid=0, si_status=0, si_utime=0, si_stime=9 /* 0.09 s */} --- umount2("./186", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./186/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./186/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./186/binderfs") = 0 umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./186/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./186/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./186/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./186/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./186") = 0 mkdir("./187", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5454 ./strace-static-x86_64: Process 5454 attached [pid 5454] chdir("./187") = 0 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5454] setpgid(0, 0) = 0 [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5454] write(3, "1000", 4) = 4 [pid 5454] close(3) = 0 [pid 5454] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5454] memfd_create("syzkaller", 0) = 3 [pid 5454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5454] 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 5454] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5454] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5454] close(3) = 0 [pid 5454] mkdir("./file0", 0777) = 0 [ 99.511515][ T5454] loop0: detected capacity change from 0 to 8192 [ 99.522415][ T5454] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.535597][ T5454] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 99.545155][ T5454] REISERFS (device loop0): using ordered data mode [ 99.551783][ T5454] reiserfs: using flush barriers [pid 5454] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5454] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5454] chdir("./file0") = 0 [pid 5454] ioctl(4, LOOP_CLR_FD) = 0 [pid 5454] close(4) = 0 [pid 5454] creat("./bus", 000) = 4 [pid 5454] ftruncate(4, 2043) = 0 [pid 5454] exit_group(0) = ? [pid 5454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5454, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- umount2("./187", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./187", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./187/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./187/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./187/binderfs") = 0 [ 99.557684][ T5454] 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 [ 99.574214][ T5454] REISERFS (device loop0): checking transaction log (loop0) [ 99.582344][ T5454] REISERFS (device loop0): Using r5 hash to sort names [ 99.589668][ T5454] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.602580][ T5454] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./187/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./187/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./187/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./187/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./187") = 0 mkdir("./188", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5456 ./strace-static-x86_64: Process 5456 attached [pid 5456] chdir("./188") = 0 [pid 5456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5456] setpgid(0, 0) = 0 [pid 5456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5456] write(3, "1000", 4) = 4 [pid 5456] close(3) = 0 [pid 5456] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5456] memfd_create("syzkaller", 0) = 3 [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5456] 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 5456] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5456] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5456] close(3) = 0 [pid 5456] mkdir("./file0", 0777) = 0 [ 99.730514][ T5456] loop0: detected capacity change from 0 to 8192 [ 99.740400][ T5456] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.753814][ T5456] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 99.763355][ T5456] REISERFS (device loop0): using ordered data mode [ 99.770051][ T5456] reiserfs: using flush barriers [pid 5456] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5456] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5456] chdir("./file0") = 0 [pid 5456] ioctl(4, LOOP_CLR_FD) = 0 [pid 5456] close(4) = 0 [pid 5456] creat("./bus", 000) = 4 [pid 5456] ftruncate(4, 2043) = 0 [pid 5456] exit_group(0) = ? [pid 5456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5456, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./188", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./188", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./188/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./188/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./188/binderfs") = 0 [ 99.775879][ T5456] 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 [ 99.792596][ T5456] REISERFS (device loop0): checking transaction log (loop0) [ 99.801064][ T5456] REISERFS (device loop0): Using r5 hash to sort names [ 99.808227][ T5456] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 99.821034][ T5456] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./188/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./188/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./188/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./188/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./188") = 0 mkdir("./189", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5458 ./strace-static-x86_64: Process 5458 attached [pid 5458] chdir("./189") = 0 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5458] setpgid(0, 0) = 0 [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5458] write(3, "1000", 4) = 4 [pid 5458] close(3) = 0 [pid 5458] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5458] memfd_create("syzkaller", 0) = 3 [pid 5458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5458] 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 5458] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5458] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5458] close(3) = 0 [pid 5458] mkdir("./file0", 0777) = 0 [ 99.969870][ T5458] loop0: detected capacity change from 0 to 8192 [ 99.979618][ T5458] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 99.992654][ T5458] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 100.002191][ T5458] REISERFS (device loop0): using ordered data mode [ 100.008972][ T5458] reiserfs: using flush barriers [pid 5458] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5458] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5458] chdir("./file0") = 0 [pid 5458] ioctl(4, LOOP_CLR_FD) = 0 [pid 5458] close(4) = 0 [pid 5458] creat("./bus", 000) = 4 [pid 5458] ftruncate(4, 2043) = 0 [pid 5458] exit_group(0) = ? [pid 5458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5458, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- umount2("./189", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./189", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./189/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./189/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./189/binderfs") = 0 [ 100.014699][ T5458] 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 [ 100.031403][ T5458] REISERFS (device loop0): checking transaction log (loop0) [ 100.039736][ T5458] REISERFS (device loop0): Using r5 hash to sort names [ 100.046738][ T5458] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 100.060137][ T5458] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./189/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./189/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./189/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./189/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./189") = 0 mkdir("./190", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5460 ./strace-static-x86_64: Process 5460 attached [pid 5460] chdir("./190") = 0 [pid 5460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5460] setpgid(0, 0) = 0 [pid 5460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5460] write(3, "1000", 4) = 4 [pid 5460] close(3) = 0 [pid 5460] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5460] memfd_create("syzkaller", 0) = 3 [pid 5460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5460] 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 5460] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5460] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5460] close(3) = 0 [pid 5460] mkdir("./file0", 0777) = 0 [ 100.198015][ T5460] loop0: detected capacity change from 0 to 8192 [ 100.207494][ T5460] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.220585][ T5460] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 100.229803][ T5460] REISERFS (device loop0): using ordered data mode [ 100.236300][ T5460] reiserfs: using flush barriers [pid 5460] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5460] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5460] chdir("./file0") = 0 [pid 5460] ioctl(4, LOOP_CLR_FD) = 0 [pid 5460] close(4) = 0 [pid 5460] creat("./bus", 000) = 4 [pid 5460] ftruncate(4, 2043) = 0 [pid 5460] exit_group(0) = ? [pid 5460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5460, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./190", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./190", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./190/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./190/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./190/binderfs") = 0 [ 100.242342][ T5460] 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 [ 100.258679][ T5460] REISERFS (device loop0): checking transaction log (loop0) [ 100.266922][ T5460] REISERFS (device loop0): Using r5 hash to sort names [ 100.274416][ T5460] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 100.287574][ T5460] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./190/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./190/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./190/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./190/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./190") = 0 mkdir("./191", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5462 ./strace-static-x86_64: Process 5462 attached [pid 5462] chdir("./191") = 0 [pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5462] setpgid(0, 0) = 0 [pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5462] write(3, "1000", 4) = 4 [pid 5462] close(3) = 0 [pid 5462] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5462] memfd_create("syzkaller", 0) = 3 [pid 5462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5462] 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 5462] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5462] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5462] close(3) = 0 [pid 5462] mkdir("./file0", 0777) = 0 [ 100.423842][ T5462] loop0: detected capacity change from 0 to 8192 [ 100.434526][ T5462] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.447658][ T5462] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 100.457072][ T5462] REISERFS (device loop0): using ordered data mode [ 100.463634][ T5462] reiserfs: using flush barriers [pid 5462] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5462] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5462] chdir("./file0") = 0 [pid 5462] ioctl(4, LOOP_CLR_FD) = 0 [pid 5462] close(4) = 0 [pid 5462] creat("./bus", 000) = 4 [pid 5462] ftruncate(4, 2043) = 0 [pid 5462] exit_group(0) = ? [pid 5462] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5462, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./191", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./191", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./191/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./191/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./191/binderfs") = 0 [ 100.469551][ T5462] 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 [ 100.486001][ T5462] REISERFS (device loop0): checking transaction log (loop0) [ 100.494366][ T5462] REISERFS (device loop0): Using r5 hash to sort names [ 100.501514][ T5462] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 100.514291][ T5462] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./191/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./191/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./191/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./191/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./191") = 0 mkdir("./192", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5464 ./strace-static-x86_64: Process 5464 attached [pid 5464] chdir("./192") = 0 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5464] setpgid(0, 0) = 0 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5464] write(3, "1000", 4) = 4 [pid 5464] close(3) = 0 [pid 5464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5464] memfd_create("syzkaller", 0) = 3 [pid 5464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5464] 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 5464] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5464] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5464] close(3) = 0 [pid 5464] mkdir("./file0", 0777) = 0 [ 100.657085][ T5464] loop0: detected capacity change from 0 to 8192 [ 100.667650][ T5464] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.681077][ T5464] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 100.690353][ T5464] REISERFS (device loop0): using ordered data mode [ 100.696879][ T5464] reiserfs: using flush barriers [pid 5464] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5464] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5464] chdir("./file0") = 0 [pid 5464] ioctl(4, LOOP_CLR_FD) = 0 [pid 5464] close(4) = 0 [pid 5464] creat("./bus", 000) = 4 [pid 5464] ftruncate(4, 2043) = 0 [pid 5464] exit_group(0) = ? [pid 5464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- umount2("./192", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./192", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./192/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./192/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./192/binderfs") = 0 [ 100.702932][ T5464] 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 [ 100.719395][ T5464] REISERFS (device loop0): checking transaction log (loop0) [ 100.727494][ T5464] REISERFS (device loop0): Using r5 hash to sort names [ 100.734643][ T5464] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 100.747381][ T5464] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./192/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./192/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./192/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./192/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./192") = 0 mkdir("./193", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5466 ./strace-static-x86_64: Process 5466 attached [pid 5466] chdir("./193") = 0 [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5466] setpgid(0, 0) = 0 [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5466] write(3, "1000", 4) = 4 [pid 5466] close(3) = 0 [pid 5466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5466] memfd_create("syzkaller", 0) = 3 [pid 5466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5466] 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 5466] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5466] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5466] close(3) = 0 [pid 5466] mkdir("./file0", 0777) = 0 [ 100.897736][ T5466] loop0: detected capacity change from 0 to 8192 [ 100.908583][ T5466] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 100.921575][ T5466] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 100.930864][ T5466] REISERFS (device loop0): using ordered data mode [ 100.937697][ T5466] reiserfs: using flush barriers [pid 5466] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5466] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5466] chdir("./file0") = 0 [pid 5466] ioctl(4, LOOP_CLR_FD) = 0 [pid 5466] close(4) = 0 [pid 5466] creat("./bus", 000) = 4 [pid 5466] ftruncate(4, 2043) = 0 [pid 5466] exit_group(0) = ? [pid 5466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5466, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- umount2("./193", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./193", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./193/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./193/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./193/binderfs") = 0 [ 100.943898][ T5466] 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 [ 100.960412][ T5466] REISERFS (device loop0): checking transaction log (loop0) [ 100.968567][ T5466] REISERFS (device loop0): Using r5 hash to sort names [ 100.975580][ T5466] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 100.988610][ T5466] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./193/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./193/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./193/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./193/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./193") = 0 mkdir("./194", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5468 ./strace-static-x86_64: Process 5468 attached [pid 5468] chdir("./194") = 0 [pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5468] setpgid(0, 0) = 0 [pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5468] write(3, "1000", 4) = 4 [pid 5468] close(3) = 0 [pid 5468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5468] memfd_create("syzkaller", 0) = 3 [pid 5468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5468] 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 5468] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5468] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5468] close(3) = 0 [pid 5468] mkdir("./file0", 0777) = 0 [ 101.123706][ T5468] loop0: detected capacity change from 0 to 8192 [ 101.133354][ T5468] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.146579][ T5468] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 101.156258][ T5468] REISERFS (device loop0): using ordered data mode [ 101.163088][ T5468] reiserfs: using flush barriers [ 101.169236][ T5468] 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 [ 101.185974][ T5468] REISERFS (device loop0): checking transaction log (loop0) [ 101.194640][ T5468] REISERFS (device loop0): Using r5 hash to sort names [ 101.202135][ T5468] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 101.215319][ T5468] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5468] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5468] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5468] chdir("./file0") = 0 [pid 5468] ioctl(4, LOOP_CLR_FD) = 0 [pid 5468] close(4) = 0 [pid 5468] creat("./bus", 000) = 4 [pid 5468] ftruncate(4, 2043) = 0 [pid 5468] exit_group(0) = ? [pid 5468] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5468, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./194", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./194", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./194/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./194/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./194/binderfs") = 0 umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./194/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./194/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./194/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./194/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./194") = 0 mkdir("./195", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5470 ./strace-static-x86_64: Process 5470 attached [pid 5470] chdir("./195") = 0 [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5470] setpgid(0, 0) = 0 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5470] write(3, "1000", 4) = 4 [pid 5470] close(3) = 0 [pid 5470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5470] memfd_create("syzkaller", 0) = 3 [pid 5470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5470] 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 5470] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5470] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5470] close(3) = 0 [pid 5470] mkdir("./file0", 0777) = 0 [ 101.345901][ T5470] loop0: detected capacity change from 0 to 8192 [ 101.357206][ T5470] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.371633][ T5470] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 101.380920][ T5470] REISERFS (device loop0): using ordered data mode [ 101.387583][ T5470] reiserfs: using flush barriers [ 101.393481][ T5470] 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 [ 101.409851][ T5470] REISERFS (device loop0): checking transaction log (loop0) [ 101.418149][ T5470] REISERFS (device loop0): Using r5 hash to sort names [ 101.425270][ T5470] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [pid 5470] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5470] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5470] chdir("./file0") = 0 [pid 5470] ioctl(4, LOOP_CLR_FD) = 0 [pid 5470] close(4) = 0 [pid 5470] creat("./bus", 000) = 4 [pid 5470] ftruncate(4, 2043) = 0 [pid 5470] exit_group(0) = ? [pid 5470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./195", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./195", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./195/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./195/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./195/binderfs") = 0 [ 101.438164][ T5470] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./195/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./195/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./195/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./195/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./195") = 0 mkdir("./196", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5472 ./strace-static-x86_64: Process 5472 attached [pid 5472] chdir("./196") = 0 [pid 5472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5472] setpgid(0, 0) = 0 [pid 5472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5472] write(3, "1000", 4) = 4 [pid 5472] close(3) = 0 [pid 5472] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5472] memfd_create("syzkaller", 0) = 3 [pid 5472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5472] 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 5472] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5472] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5472] close(3) = 0 [pid 5472] mkdir("./file0", 0777) = 0 [ 101.580183][ T5472] loop0: detected capacity change from 0 to 8192 [ 101.591518][ T5472] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.604615][ T5472] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 101.613981][ T5472] REISERFS (device loop0): using ordered data mode [ 101.620578][ T5472] reiserfs: using flush barriers [pid 5472] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5472] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5472] chdir("./file0") = 0 [pid 5472] ioctl(4, LOOP_CLR_FD) = 0 [pid 5472] close(4) = 0 [pid 5472] creat("./bus", 000) = 4 [pid 5472] ftruncate(4, 2043) = 0 [pid 5472] exit_group(0) = ? [pid 5472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5472, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./196", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./196", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./196/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./196/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./196/binderfs") = 0 [ 101.626536][ T5472] 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 [ 101.643049][ T5472] REISERFS (device loop0): checking transaction log (loop0) [ 101.651191][ T5472] REISERFS (device loop0): Using r5 hash to sort names [ 101.658380][ T5472] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 101.671150][ T5472] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./196/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./196/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./196/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./196/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./196") = 0 mkdir("./197", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5474 attached , child_tidptr=0x5555566345d0) = 5474 [pid 5474] chdir("./197") = 0 [pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5474] setpgid(0, 0) = 0 [pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5474] write(3, "1000", 4) = 4 [pid 5474] close(3) = 0 [pid 5474] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5474] memfd_create("syzkaller", 0) = 3 [pid 5474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5474] 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 5474] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5474] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5474] close(3) = 0 [pid 5474] mkdir("./file0", 0777) = 0 [ 101.810113][ T5474] loop0: detected capacity change from 0 to 8192 [ 101.821512][ T5474] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 101.834894][ T5474] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 101.844166][ T5474] REISERFS (device loop0): using ordered data mode [ 101.850813][ T5474] reiserfs: using flush barriers [pid 5474] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5474] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5474] chdir("./file0") = 0 [pid 5474] ioctl(4, LOOP_CLR_FD) = 0 [pid 5474] close(4) = 0 [pid 5474] creat("./bus", 000) = 4 [pid 5474] ftruncate(4, 2043) = 0 [pid 5474] exit_group(0) = ? [pid 5474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5474, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- umount2("./197", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./197", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 [ 101.856729][ T5474] 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 [ 101.873250][ T5474] REISERFS (device loop0): checking transaction log (loop0) [ 101.881348][ T5474] REISERFS (device loop0): Using r5 hash to sort names [ 101.888516][ T5474] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 101.901288][ T5474] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./197/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./197/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./197/binderfs") = 0 umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./197/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./197/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./197/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./197/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./197") = 0 mkdir("./198", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5476 ./strace-static-x86_64: Process 5476 attached [pid 5476] chdir("./198") = 0 [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5476] setpgid(0, 0) = 0 [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5476] write(3, "1000", 4) = 4 [pid 5476] close(3) = 0 [pid 5476] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5476] memfd_create("syzkaller", 0) = 3 [pid 5476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5476] 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 5476] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5476] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5476] close(3) = 0 [pid 5476] mkdir("./file0", 0777) = 0 [ 102.045997][ T5476] loop0: detected capacity change from 0 to 8192 [ 102.057139][ T5476] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.070214][ T5476] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 102.079482][ T5476] REISERFS (device loop0): using ordered data mode [ 102.085988][ T5476] reiserfs: using flush barriers [pid 5476] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5476] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5476] chdir("./file0") = 0 [pid 5476] ioctl(4, LOOP_CLR_FD) = 0 [pid 5476] close(4) = 0 [pid 5476] creat("./bus", 000) = 4 [pid 5476] ftruncate(4, 2043) = 0 [pid 5476] exit_group(0) = ? [pid 5476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- umount2("./198", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./198", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./198/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./198/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./198/binderfs") = 0 [ 102.091926][ T5476] 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 [ 102.108272][ T5476] REISERFS (device loop0): checking transaction log (loop0) [ 102.116365][ T5476] REISERFS (device loop0): Using r5 hash to sort names [ 102.123482][ T5476] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.136210][ T5476] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./198/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./198/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./198/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./198/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./198") = 0 mkdir("./199", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5478 ./strace-static-x86_64: Process 5478 attached [pid 5478] chdir("./199") = 0 [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5478] setpgid(0, 0) = 0 [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5478] write(3, "1000", 4) = 4 [pid 5478] close(3) = 0 [pid 5478] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5478] memfd_create("syzkaller", 0) = 3 [pid 5478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5478] 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 5478] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5478] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5478] close(3) = 0 [pid 5478] mkdir("./file0", 0777) = 0 [ 102.271790][ T5478] loop0: detected capacity change from 0 to 8192 [ 102.281569][ T5478] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.294685][ T5478] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 102.303970][ T5478] REISERFS (device loop0): using ordered data mode [ 102.310598][ T5478] reiserfs: using flush barriers [pid 5478] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5478] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5478] chdir("./file0") = 0 [pid 5478] ioctl(4, LOOP_CLR_FD) = 0 [pid 5478] close(4) = 0 [pid 5478] creat("./bus", 000) = 4 [pid 5478] ftruncate(4, 2043) = 0 [pid 5478] exit_group(0) = ? [pid 5478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5478, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- umount2("./199", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./199", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./199/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./199/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./199/binderfs") = 0 [ 102.316555][ T5478] 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 [ 102.334456][ T5478] REISERFS (device loop0): checking transaction log (loop0) [ 102.342583][ T5478] REISERFS (device loop0): Using r5 hash to sort names [ 102.349716][ T5478] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.362452][ T5478] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./199/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./199/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./199/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./199/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./199") = 0 mkdir("./200", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5480 ./strace-static-x86_64: Process 5480 attached [pid 5480] chdir("./200") = 0 [pid 5480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5480] setpgid(0, 0) = 0 [pid 5480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5480] write(3, "1000", 4) = 4 [pid 5480] close(3) = 0 [pid 5480] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5480] memfd_create("syzkaller", 0) = 3 [pid 5480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5480] 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 5480] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5480] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5480] close(3) = 0 [pid 5480] mkdir("./file0", 0777) = 0 [ 102.488819][ T5480] loop0: detected capacity change from 0 to 8192 [ 102.500423][ T5480] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.513511][ T5480] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 102.522810][ T5480] REISERFS (device loop0): using ordered data mode [ 102.529413][ T5480] reiserfs: using flush barriers [pid 5480] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5480] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5480] chdir("./file0") = 0 [pid 5480] ioctl(4, LOOP_CLR_FD) = 0 [ 102.535294][ T5480] 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 [ 102.551789][ T5480] REISERFS (device loop0): checking transaction log (loop0) [ 102.559772][ T5480] REISERFS (device loop0): Using r5 hash to sort names [ 102.566781][ T5480] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.580329][ T5480] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [pid 5480] close(4) = 0 [pid 5480] creat("./bus", 000) = 4 [pid 5480] ftruncate(4, 2043) = 0 [pid 5480] exit_group(0) = ? [pid 5480] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5480, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./200", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./200", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./200/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./200/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./200/binderfs") = 0 umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./200/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./200/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./200/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./200/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./200") = 0 mkdir("./201", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5482 ./strace-static-x86_64: Process 5482 attached [pid 5482] chdir("./201") = 0 [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5482] setpgid(0, 0) = 0 [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5482] write(3, "1000", 4) = 4 [pid 5482] close(3) = 0 [pid 5482] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5482] memfd_create("syzkaller", 0) = 3 [pid 5482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5482] 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 5482] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5482] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5482] close(3) = 0 [pid 5482] mkdir("./file0", 0777) = 0 [ 102.736381][ T5482] loop0: detected capacity change from 0 to 8192 [ 102.745936][ T5482] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.759344][ T5482] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 102.768634][ T5482] REISERFS (device loop0): using ordered data mode [ 102.775154][ T5482] reiserfs: using flush barriers [pid 5482] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5482] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5482] chdir("./file0") = 0 [pid 5482] ioctl(4, LOOP_CLR_FD) = 0 [pid 5482] close(4) = 0 [pid 5482] creat("./bus", 000) = 4 [pid 5482] ftruncate(4, 2043) = 0 [pid 5482] exit_group(0) = ? [pid 5482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./201", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./201", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 102.781090][ T5482] 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 [ 102.797501][ T5482] REISERFS (device loop0): checking transaction log (loop0) [ 102.805952][ T5482] REISERFS (device loop0): Using r5 hash to sort names [ 102.813092][ T5482] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 102.825892][ T5482] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./201/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./201/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./201/binderfs") = 0 umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./201/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./201/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./201/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./201/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./201") = 0 mkdir("./202", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5484 ./strace-static-x86_64: Process 5484 attached [pid 5484] chdir("./202") = 0 [pid 5484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5484] setpgid(0, 0) = 0 [pid 5484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5484] write(3, "1000", 4) = 4 [pid 5484] close(3) = 0 [pid 5484] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5484] memfd_create("syzkaller", 0) = 3 [pid 5484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5484] 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 5484] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5484] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5484] close(3) = 0 [pid 5484] mkdir("./file0", 0777) = 0 [ 102.969821][ T5484] loop0: detected capacity change from 0 to 8192 [ 102.979401][ T5484] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 102.992472][ T5484] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 103.001745][ T5484] REISERFS (device loop0): using ordered data mode [ 103.008280][ T5484] reiserfs: using flush barriers [pid 5484] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5484] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5484] chdir("./file0") = 0 [pid 5484] ioctl(4, LOOP_CLR_FD) = 0 [pid 5484] close(4) = 0 [pid 5484] creat("./bus", 000) = 4 [pid 5484] ftruncate(4, 2043) = 0 [pid 5484] exit_group(0) = ? [pid 5484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5484, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./202", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./202", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./202/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./202/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./202/binderfs") = 0 [ 103.014208][ T5484] 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 [ 103.030719][ T5484] REISERFS (device loop0): checking transaction log (loop0) [ 103.038876][ T5484] REISERFS (device loop0): Using r5 hash to sort names [ 103.045884][ T5484] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 103.058635][ T5484] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./202/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./202/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./202/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./202/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./202") = 0 mkdir("./203", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5486 ./strace-static-x86_64: Process 5486 attached [pid 5486] chdir("./203") = 0 [pid 5486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5486] setpgid(0, 0) = 0 [pid 5486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5486] write(3, "1000", 4) = 4 [pid 5486] close(3) = 0 [pid 5486] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5486] memfd_create("syzkaller", 0) = 3 [pid 5486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5486] 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 5486] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5486] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5486] close(3) = 0 [pid 5486] mkdir("./file0", 0777) = 0 [ 103.187302][ T5486] loop0: detected capacity change from 0 to 8192 [ 103.199152][ T5486] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.212190][ T5486] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 103.221518][ T5486] REISERFS (device loop0): using ordered data mode [ 103.228082][ T5486] reiserfs: using flush barriers [pid 5486] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5486] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5486] chdir("./file0") = 0 [pid 5486] ioctl(4, LOOP_CLR_FD) = 0 [pid 5486] close(4) = 0 [pid 5486] creat("./bus", 000) = 4 [pid 5486] ftruncate(4, 2043) = 0 [pid 5486] exit_group(0) = ? [pid 5486] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5486, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=10 /* 0.10 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./203", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./203", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./203/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./203/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./203/binderfs") = 0 [ 103.233831][ T5486] 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 [ 103.250405][ T5486] REISERFS (device loop0): checking transaction log (loop0) [ 103.258896][ T5486] REISERFS (device loop0): Using r5 hash to sort names [ 103.265917][ T5486] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 103.278676][ T5486] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./203/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./203/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./203/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./203/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./203") = 0 mkdir("./204", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5488 ./strace-static-x86_64: Process 5488 attached [pid 5488] chdir("./204") = 0 [pid 5488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5488] setpgid(0, 0) = 0 [pid 5488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5488] write(3, "1000", 4) = 4 [pid 5488] close(3) = 0 [pid 5488] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5488] memfd_create("syzkaller", 0) = 3 [pid 5488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5488] 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 5488] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5488] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5488] close(3) = 0 [pid 5488] mkdir("./file0", 0777) = 0 [ 103.404593][ T5488] loop0: detected capacity change from 0 to 8192 [ 103.415584][ T5488] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.428686][ T5488] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 103.437933][ T5488] REISERFS (device loop0): using ordered data mode [ 103.444454][ T5488] reiserfs: using flush barriers [pid 5488] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5488] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5488] chdir("./file0") = 0 [pid 5488] ioctl(4, LOOP_CLR_FD) = 0 [pid 5488] close(4) = 0 [pid 5488] creat("./bus", 000) = 4 [pid 5488] ftruncate(4, 2043) = 0 [pid 5488] exit_group(0) = ? [pid 5488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5488, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./204", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./204", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556635620 /* 4 entries */, 32768) = 112 umount2("./204/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./204/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./204/binderfs") = 0 [ 103.451002][ T5488] 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 [ 103.467365][ T5488] REISERFS (device loop0): checking transaction log (loop0) [ 103.475587][ T5488] REISERFS (device loop0): Using r5 hash to sort names [ 103.482657][ T5488] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 103.495461][ T5488] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./204/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./204/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./204/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x55555663d660 /* 2 entries */, 32768) = 48 getdents64(4, 0x55555663d660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./204/file0") = 0 getdents64(3, 0x555556635620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./204") = 0 mkdir("./205", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555566345d0) = 5490 ./strace-static-x86_64: Process 5490 attached [pid 5490] chdir("./205") = 0 [pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5490] setpgid(0, 0) = 0 [pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5490] write(3, "1000", 4) = 4 [pid 5490] close(3) = 0 [pid 5490] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5490] memfd_create("syzkaller", 0) = 3 [pid 5490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2a552ad000 [pid 5490] 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 5490] munmap(0x7f2a552ad000, 4194304) = 0 [pid 5490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5490] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5490] close(3) = 0 [pid 5490] mkdir("./file0", 0777) = 0 [ 103.634448][ T5490] loop0: detected capacity change from 0 to 8192 [ 103.645266][ T5490] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 103.658527][ T5490] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 103.667743][ T5490] REISERFS (device loop0): using ordered data mode [ 103.674299][ T5490] reiserfs: using flush barriers [pid 5490] mount("/dev/loop0", "./file0", "reiserfs", MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_NOATIME|MS_SILENT|MS_POSIXACL|MS_I_VERSION|MS_LAZYTIME, "") = 0 [pid 5490] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5490] chdir("./file0") = 0 [pid 5490] ioctl(4, LOOP_CLR_FD) = 0 [pid 5490] close(4) = 0 [ 103.680287][ T5490] 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 [ 103.696936][ T5490] REISERFS (device loop0): checking transaction log (loop0) [ 103.705094][ T5490] REISERFS (device loop0): Using r5 hash to sort names [ 103.712360][ T5490] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 103.725401][ T5490] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 103.738561][ T5490] ------------[ cut here ]------------ [ 103.744201][ T5490] kernel BUG at fs/reiserfs/journal.c:3039! [ 103.750517][ T5490] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 103.756612][ T5490] CPU: 1 PID: 5490 Comm: syz-executor267 Not tainted 6.2.0-rc6-syzkaller-00239-g0136d86b7852 #0 [ 103.767047][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 103.777187][ T5490] RIP: 0010:do_journal_begin_r+0x1005/0x1010 [ 103.783180][ T5490] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 6c 2b b3 ff e9 15 ff ff ff e8 e2 d8 5e ff 0f 0b e8 db d8 5e ff <0f> 0b e8 b4 8d 6a 08 0f 1f 40 00 66 0f 1f 00 55 41 57 41 56 41 55 [ 103.802788][ T5490] RSP: 0018:ffffc9000b8875e0 EFLAGS: 00010293 [ 103.808870][ T5490] RAX: ffffffff822b5e35 RBX: 000000001100e79a RCX: ffff88801faaba80 [ 103.816833][ T5490] RDX: 0000000000000000 RSI: 000000001100e79a RDI: 0000000000000100 [ 103.825055][ T5490] RBP: ffffc9000b887788 R08: ffffffff822b4f67 R09: fffffbfff1cadb16 [ 103.833038][ T5490] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072f94678 [ 103.841007][ T5490] R13: ffffc9000b900214 R14: dffffc0000000000 R15: 0000000000000100 [ 103.848983][ T5490] FS: 0000555556634300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 103.857920][ T5490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.864507][ T5490] CR2: 00007fff03b563e8 CR3: 0000000020859000 CR4: 00000000003506e0 [ 103.872471][ T5490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 103.880430][ T5490] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 103.888403][ T5490] Call Trace: [ 103.891673][ T5490] [ 103.894617][ T5490] ? __mutex_lock_common+0x454/0x2630 [ 103.899984][ T5490] ? reiserfs_write_lock+0x7a/0xd0 [ 103.905088][ T5490] ? __lock_acquire+0x1f80/0x1f80 [ 103.910104][ T5490] ? journal_join_abort+0xe0/0xe0 [ 103.915131][ T5490] ? bpf_lsm_inode_init_security+0x9/0x10 [ 103.920855][ T5490] ? security_old_inode_init_security+0x10a/0x150 [ 103.927266][ T5490] journal_begin+0x14c/0x360 [ 103.931852][ T5490] reiserfs_create+0x2d2/0x660 [ 103.936623][ T5490] ? reiserfs_lookup+0x490/0x490 [ 103.941573][ T5490] ? inode_permission+0xfb/0x460 [ 103.946513][ T5490] ? open_xa_dir+0x650/0x650 [ 103.951099][ T5490] ? bpf_lsm_inode_create+0x9/0x10 [ 103.956209][ T5490] ? security_inode_create+0xb8/0x100 [ 103.961583][ T5490] ? reiserfs_lookup+0x490/0x490 [ 103.966534][ T5490] path_openat+0x12b9/0x2e30 [ 103.971142][ T5490] ? do_filp_open+0x500/0x500 [ 103.975846][ T5490] ? verify_cpu+0xc0/0x100 [ 103.980270][ T5490] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 103.986251][ T5490] do_filp_open+0x26d/0x500 [ 103.990750][ T5490] ? vfs_tmpfile+0x4a0/0x4a0 [ 103.995347][ T5490] ? do_raw_spin_unlock+0x13b/0x8b0 [ 104.000563][ T5490] ? _raw_spin_unlock+0x28/0x40 [ 104.005414][ T5490] ? alloc_fd+0x586/0x620 [ 104.009738][ T5490] do_sys_openat2+0x128/0x4f0 [ 104.014409][ T5490] ? do_raw_spin_unlock+0x13b/0x8b0 [ 104.019600][ T5490] ? do_sys_open+0x230/0x230 [ 104.024205][ T5490] ? _raw_spin_unlock_irq+0x2e/0x50 [ 104.029395][ T5490] ? ptrace_notify+0x24d/0x350 [ 104.034182][ T5490] __x64_sys_creat+0x123/0x160 [ 104.038942][ T5490] ? __x64_compat_sys_openat+0x290/0x290 [ 104.044573][ T5490] ? syscall_enter_from_user_mode+0x32/0x2c0 [ 104.050552][ T5490] ? syscall_enter_from_user_mode+0x8c/0x2c0 [ 104.056564][ T5490] do_syscall_64+0x41/0xc0 [ 104.061003][ T5490] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 104.066937][ T5490] RIP: 0033:0x7f2a5d6faf59 [ 104.071373][ T5490] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 104.090972][ T5490] RSP: 002b:00007fff03b56408 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 104.099401][ T5490] RAX: ffffffffffffffda RBX: 000000000001938c RCX: 00007f2a5d6faf59 [ 104.107372][ T5490] RDX: 00007f2a5d6b89f3 RSI: 0000000000000000 RDI: 0000000020000040 [ 104.115373][ T5490] RBP: 0000000000000000 R08: 00000000000010f3 R09: 00007fff03b56430 [ 104.123345][ T5490] R10: 00007fff03b562d0 R11: 0000000000000246 R12: 00007fff03b5642c [ 104.131348][ T5490] R13: 00007fff03b56460 R14: 00007fff03b56440 R15: 00000000000000cd [ 104.139330][ T5490] [ 104.142343][ T5490] Modules linked in: [ 104.146651][ T5490] ---[ end trace 0000000000000000 ]--- [ 104.152165][ T5490] RIP: 0010:do_journal_begin_r+0x1005/0x1010 [ 104.158208][ T5490] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 6c 2b b3 ff e9 15 ff ff ff e8 e2 d8 5e ff 0f 0b e8 db d8 5e ff <0f> 0b e8 b4 8d 6a 08 0f 1f 40 00 66 0f 1f 00 55 41 57 41 56 41 55 [ 104.177904][ T5490] RSP: 0018:ffffc9000b8875e0 EFLAGS: 00010293 [ 104.184011][ T5490] RAX: ffffffff822b5e35 RBX: 000000001100e79a RCX: ffff88801faaba80 [ 104.192030][ T5490] RDX: 0000000000000000 RSI: 000000001100e79a RDI: 0000000000000100 [ 104.200033][ T5490] RBP: ffffc9000b887788 R08: ffffffff822b4f67 R09: fffffbfff1cadb16 [ 104.208030][ T5490] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072f94678 [ 104.216006][ T5490] R13: ffffc9000b900214 R14: dffffc0000000000 R15: 0000000000000100 [ 104.224006][ T5490] FS: 0000555556634300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 104.232978][ T5490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.239600][ T5490] CR2: 00007fff03b563e8 CR3: 0000000020859000 CR4: 00000000003506e0 [ 104.247589][ T5490] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 104.255612][ T5490] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 104.263634][ T5490] Kernel panic - not syncing: Fatal exception [ 104.269867][ T5490] Kernel Offset: disabled [ 104.274215][ T5490] Rebooting in 86400 seconds..